9+ Cusco, Peru Weather in January: A Guide


9+ Cusco, Peru Weather in January: A Guide

Cusco, Peru, nestled excessive within the Andes Mountains, experiences distinct moist and dry seasons. January falls squarely throughout the moist season, characterised by important rainfall and excessive humidity. Daytime temperatures are usually delicate, averaging within the mid-60s Fahrenheit (round 18 levels Celsius), whereas nighttime temperatures can drop to the low 40s Fahrenheit (round 4 levels Celsius). Town’s elevation contributes to the comparatively cool temperatures year-round, even in the course of the wet season.

Understanding the prevailing weather conditions throughout this era is essential for vacationers planning to go to Cusco and its surrounding areas, together with Machu Picchu. The heavy rainfall can influence accessibility to sure websites, probably inflicting path closures or transportation delays. Being ready for moist circumstances with applicable gear is crucial for a snug and secure expertise. Traditionally, January’s rainfall has performed a significant position within the area’s agriculture, nourishing the land for crops essential to native communities.

This overview lays the groundwork for a extra detailed exploration of particular elements of Cusco’s local weather in January. Matters similar to packing suggestions, potential journey disruptions, and the influence on out of doors actions will likely be examined additional.

1. Wet Season

January in Cusco falls throughout the wet season, a defining attribute of the area’s local weather. This era, usually extending from November to April, experiences considerably larger precipitation ranges in comparison with the dry season. The Andes Mountains play an important position on this sample. As heat, moist air from the Amazon basin rises and encounters the cooler mountain air, it condenses, resulting in frequent and sometimes heavy rainfall. This precipitation is significant for the area’s ecosystems, replenishing water sources and supporting agricultural actions. Nonetheless, the depth of the rain can even pose challenges, notably for transportation and accessibility to sure areas.

The consequences of the wet season are multifaceted. Whereas helpful for agriculture, the elevated rainfall can result in landslides, notably in mountainous terrain. Roads could turn out to be impassable, and trekking routes may be hazardous. As an example, the Inca Path to Machu Picchu is typically quickly closed during times of notably heavy rainfall to make sure customer security. Understanding the prevalence of rain throughout January permits for extra knowledgeable planning, together with packing applicable gear, scheduling versatile itineraries, and contemplating different actions in case of disruptions.

In abstract, the wet season is an integral element of Cusco’s local weather in January. Recognizing its affect is essential for vacationers and residents alike. Preparation for moist circumstances, consciousness of potential journey disruptions, and an understanding of the broader ecological influence present a complete perspective on navigating this era. This information contributes to safer journey experiences and a deeper appreciation of the area’s dynamic atmosphere.

2. Excessive Humidity

Excessive humidity is a defining attribute of Cusco’s climate in January, straight linked to the prevalent rainfall. The abundance of moisture within the air contributes to a singular local weather expertise distinct from the dry season. Understanding its influence is essential for customer consolation and preparedness.

  • Decreased Visibility

    Excessive humidity typically results in lowered visibility because of the formation of mist and fog, notably within the mornings and evenings. This could influence journey plans, particularly for these counting on scenic views or engaged in out of doors actions like trekking. The lowered visibility may have an effect on transportation, probably inflicting delays.

  • Perceived Temperature

    Excessive humidity influences perceived temperature. The mix of moisture and cooler temperatures could make the air really feel colder than the precise temperature studying. This phenomenon, also known as the “seems like” temperature, necessitates applicable layering and consideration of wind chill components.

  • Mould and Mildew Progress

    The elevated moisture within the air promotes the expansion of mould and mildew. This generally is a concern for lodging and saved belongings. Vacationers needs to be ready with methods to mitigate potential mould and mildew points, similar to utilizing moisture-absorbing merchandise or guaranteeing sufficient air flow in rooms.

  • Affect on Bodily Exertion

    Excessive humidity could make bodily exertion more difficult. The physique’s potential to chill itself via perspiration is hindered when the air is already saturated with moisture. This could result in elevated fatigue and discomfort, notably throughout strenuous actions like climbing at excessive altitudes.

These components, straight influenced by excessive humidity, considerably form the general expertise of Cusco’s climate in January. Understanding and making ready for these circumstances, from packing applicable clothes to adjusting exercise ranges, ensures a safer and extra snug go to.

3. Delicate Daytime Temperatures

Delicate daytime temperatures characterize January in Cusco, providing a respite from the extra excessive circumstances discovered at different instances of the 12 months. Whereas located at a excessive altitude, Cusco experiences common daytime temperatures within the mid-60s Fahrenheit (round 18 levels Celsius) throughout January. This mildness is a direct results of the area’s location throughout the tropics. Regardless of the wet season, the solar’s depth at this latitude prevents temperatures from plummeting as they could in higher-latitude areas throughout winter months. This gives a snug atmosphere for exploring town and surrounding areas, even in the course of the moist season.

The delicate daytime temperatures provide a number of sensible benefits. Out of doors actions, whereas probably impacted by rainfall, stay possible. Exploring historic websites, wandering via native markets, or partaking in shorter treks turn out to be extra manageable with out excessive warmth or chilly. Moreover, the average temperatures enable for snug layering. Whereas rain gear is crucial, the mildness permits for lighter clothes beneath, offering flexibility for fluctuating climate patterns all through the day. For instance, one may comfortably put on a lightweight fleece or sweater beneath a water-proof jacket. The flexibility to regulate layers contributes considerably to consolation throughout explorations.

In abstract, the delicate daytime temperatures throughout January in Cusco symbolize a key aspect of the area’s local weather. The stability between the wet season and the tropical latitude creates a singular climate profile. This understanding permits vacationers to arrange adequately, benefiting from the comparatively snug daytime circumstances whereas additionally acknowledging the potential for rain and the necessity for versatile planning. This nuanced method permits for a extra rewarding and cozy expertise navigating the complexities of Cusco’s climate in January.

4. Cooler Nights

Cusco’s excessive altitude considerably influences its nighttime temperatures, notably throughout January. Whereas days stay comparatively delicate, nights turn out to be significantly cooler, an important issue for guests to grasp and put together for. This drop in temperature is a attribute characteristic of high-altitude climates, the place the thinner environment retains much less warmth.

  • Temperature Variations

    Nighttime temperatures in Cusco throughout January can drop to the low 40s Fahrenheit (round 4 levels Celsius). This important distinction between daytime and nighttime temperatures necessitates cautious packing and preparation. Layering clothes turns into important for sustaining consolation all through the day and into the cooler evenings.

  • Affect on Sleep High quality

    The cooler nighttime temperatures can influence sleep high quality, particularly for these unaccustomed to such circumstances. Enough bedding and probably supplemental heating inside lodging turn out to be vital issues. Consciousness of those temperature variations permits for proactive measures, similar to requesting further blankets or using obtainable heating choices.

  • Affect on Out of doors Actions

    Cooler nights considerably affect choices relating to night out of doors actions. Acceptable apparel, together with heat layers and probably hats and gloves, turns into important. The cooler temperatures additionally enhance the danger of hypothermia if correct precautions are usually not taken. Planning night actions with temperature issues in thoughts is significant for a secure and cozy expertise.

  • Impact on Native Infrastructure

    The cooler nighttime temperatures, whereas not usually excessive sufficient to trigger freezing pipes in Cusco itself, can nonetheless influence infrastructure in surrounding higher-altitude areas. This could often have an effect on water availability or different providers reliant on infrastructure weak to temperature fluctuations. Whereas much less frequent in Cusco correct, this stays a consideration for these venturing into extra distant, higher-altitude areas.

In abstract, the cooler nighttime temperatures in Cusco throughout January symbolize a crucial facet of the area’s local weather. Understanding these temperature variations and their potential influence on consolation, exercise decisions, and logistical issues permits for extra knowledgeable planning. This preparation ensures a safer, extra pleasing, and in the end extra fulfilling expertise navigating the varied weather conditions of Cusco in the course of the wet season.

5. Common 18C (64F) days

Cusco’s common daytime temperature of 18C (64F) in January represents a average local weather regardless of its high-altitude location and the presence of the wet season. This seemingly easy common temperature performs a big position in shaping varied elements of the January expertise in Cusco, influencing all the things from packing decisions to exercise planning. Understanding its implications gives beneficial context for navigating the area’s local weather throughout this era.

  • Snug Exploration

    The average daytime temperature facilitates snug exploration of Cusco’s historic websites and surrounding areas. Whereas rain stays an element, the absence of maximum warmth or chilly permits for prolonged intervals open air. This temperature vary permits snug strolling excursions, visits to Machu Picchu, and exploration of the Sacred Valley with out extreme warmth stress or the necessity for cumbersome cold-weather gear.

  • Layering Flexibility

    18C (64F) gives flexibility in clothes decisions. Layering turns into a sensible technique. A light-weight fleece or sweater paired with a water-proof outer layer accommodates potential temperature fluctuations and rainfall. This adaptability is especially advantageous given the dynamic climate patterns attribute of Cusco in January.

  • Affect on Perceived Temperature

    Whereas the common temperature stays average, components like humidity, wind, and cloud cowl affect perceived temperature. Excessive humidity could make 18C really feel cooler, whereas direct daylight could make it really feel hotter. Contemplating these components, together with particular person temperature sensitivities, informs clothes decisions and exercise planning.

  • Distinction with Nighttime Temperatures

    The average daytime temperature of 18C (64F) contrasts sharply with considerably cooler nighttime temperatures, which may drop to the low 40s Fahrenheit (round 4C). This diurnal temperature variation underscores the significance of packing for each delicate days and chilly nights. The flexibility to adapt to this temperature swing is crucial for sustaining consolation all through a 24-hour interval in Cusco throughout January.

In conclusion, understanding Cusco’s common daytime temperature of 18C (64F) in January gives crucial context for navigating the area’s local weather in the course of the wet season. This average temperature, whereas seemingly easy, influences varied sides of the customer expertise, from clothes decisions and exercise planning to the general notion of consolation. Recognizing this affect, together with the interaction of different climatic components like humidity and nighttime temperature drops, contributes to a extra knowledgeable and in the end extra pleasing expertise in Cusco throughout this distinctive interval.

6. Common 4C (39F) nights

Common nighttime temperatures of 4C (39F) in Cusco throughout January symbolize a big attribute of the area’s local weather, straight influenced by its excessive altitude. This drop in temperature, contrasting sharply with milder daytime circumstances, necessitates particular preparations and issues for guests. Understanding its implications is essential for a snug and secure expertise.

  • Lodging Wants

    Enough heating in lodging turns into important throughout January nights. Whereas some accommodations provide central heating, others could present area heaters or further blankets. Confirming heating preparations prematurely is extremely beneficial. Packing heat sleepwear and probably a thermal liner for sleeping baggage provides an additional layer of consolation in cooler circumstances. The flexibility to keep up a snug sleeping temperature contributes considerably to general well-being and delight throughout a go to.

  • Night Apparel

    Heat clothes turns into important for night actions. Layers, together with thermal underwear, fleece jackets, hats, gloves, and scarves, are essential for sustaining consolation. The drop in temperature after sundown necessitates a transition from lighter daytime apparel to considerably hotter night put on. Correct preparation for cooler nights ensures snug participation in night cultural occasions, eating experiences, or just strolling via town after darkish.

  • Altitude Concerns

    The mix of excessive altitude and chilly temperatures can exacerbate altitude illness signs. The physique’s potential to acclimatize to excessive altitude could also be additional challenged by the added stress of chilly. Staying hydrated, avoiding strenuous exercise upon arrival, and consulting a doctor relating to altitude illness medicine are important precautions. Recognizing the mixed influence of altitude and chilly temperatures permits for proactive measures to mitigate potential well being dangers.

  • Affect on Out of doors Actions

    Cooler nighttime temperatures considerably affect out of doors actions. Stargazing, whereas probably interesting as a consequence of clear skies, requires substantial heat clothes. Night excursions or hikes necessitate cautious consideration of temperature and potential wind chill. Packing headlamps or flashlights turns into important, as darkness descends earlier throughout these months. Planning night actions with a transparent understanding of temperature circumstances ensures each security and delight.

In abstract, the common nighttime temperature of 4C (39F) in Cusco throughout January is a defining facet of the area’s local weather. This attribute influences lodging decisions, night apparel, altitude acclimatization methods, and the feasibility of out of doors actions. Recognizing and making ready for these cooler nighttime circumstances, together with understanding the broader context of Cusco’s January climate patterns, ensures a extra snug, secure, and in the end extra rewarding journey expertise.

7. Potential Journey Disruptions

January’s climate in Cusco, Peru, characterised by heavy rainfall, can considerably influence journey plans. Understanding potential disruptions is essential for mitigating inconveniences and guaranteeing a secure and productive journey. The next sides define the first considerations.

  • Landslides

    Heavy rainfall will increase the danger of landslides, notably in mountainous areas just like the Andes. Landslides can block roads, disrupt transportation networks, and isolate communities. Highway closures as a consequence of landslides are frequent throughout January, probably impacting entry to Machu Picchu, the Sacred Valley, and different key locations. Monitoring climate forecasts and heeding native advisories are important for mitigating dangers related to landslides.

  • Flight Delays and Cancellations

    Heavy rain and fog can disrupt flight schedules at Alejandro Velasco Astete Worldwide Airport (CUZ) in Cusco. Flight delays and cancellations are extra frequent throughout January, probably impacting arrival and departure plans. Vacationers ought to keep versatile itineraries and contemplate journey insurance coverage to deal with potential monetary implications of flight disruptions. Checking flight standing frequently and sustaining communication with airways are advisable precautions.

  • Flooding

    River flooding can happen during times of intense rainfall, impacting transportation infrastructure and accessibility to sure areas. Flooding can even have an effect on lodging and native providers. Staying knowledgeable about climate circumstances and potential flood warnings is essential. Selecting lodging positioned away from flood-prone areas and having different journey routes in thoughts can decrease disruptions attributable to flooding.

  • Path Closures

    The Inca Path and different trekking routes could also be quickly closed as a consequence of heavy rainfall and related hazards like landslides and flooding. Path closures are applied to make sure trekker security. Vacationers planning hikes ought to have contingency plans, contemplating different trekking routes or adjusting journey dates if needed. Consulting with tour operators and staying up to date on path circumstances via official channels gives important info for decision-making.

These potential disruptions spotlight the direct influence of January’s climate on journey throughout the Cusco area. Proactive planning, versatile itineraries, and staying knowledgeable about climate circumstances and native advisories are essential for navigating these challenges. By understanding these potential disruptions and implementing applicable mitigation methods, vacationers can decrease inconveniences and guarantee a safer and extra manageable expertise in Cusco in the course of the wet season.

8. Landslides Attainable

The heavy rainfall attribute of Cusco, Peru, in January considerably will increase the opportunity of landslides. The steep slopes of the Andes Mountains, mixed with saturated soil, create circumstances conducive to those geological occasions. Understanding the connection between January’s climate and landslide dangers is essential for traveler security and knowledgeable decision-making.

  • Geological Instability

    Extended and intense rainfall saturates the soil, weakening its structural integrity. This saturation reduces friction between soil particles and underlying bedrock, making slopes extra prone to motion. The steep gradients of the Andes exacerbate this instability, growing the probability of landslides. The geological composition of the area, that includes layers of sedimentary rock and volcanic ash, additional contributes to the susceptibility to landslides.

  • Affect on Infrastructure

    Landslides pose important threats to infrastructure, together with roads, bridges, and communication networks. Highway closures as a consequence of landslides are frequent within the Cusco area throughout January, impacting accessibility to Machu Picchu, the Sacred Valley, and different locations. These closures can disrupt journey plans, inflicting delays or necessitating rerouting. Harm to infrastructure can even disrupt important providers like electrical energy and water provide, impacting native communities and vacationer services.

  • Dangers to Vacationers

    Landslides current direct dangers to vacationers, notably these climbing or trekking in mountainous areas. Trails can turn out to be impassable or hazardous as a consequence of particles and unstable terrain. Landslides can even influence the protection of transportation, notably on winding mountain roads. Staying knowledgeable about climate circumstances, heeding native advisories, and avoiding journey in high-risk areas during times of heavy rainfall are essential security precautions.

  • Mitigation and Preparedness

    Mitigating landslide dangers requires a mixture of infrastructure enhancements, early warning programs, and public consciousness campaigns. Engineering options, similar to retaining partitions and drainage programs, can stabilize slopes and cut back landslide susceptibility. Monitoring rainfall patterns and soil moisture ranges permits for the implementation of early warning programs, offering essential time for evacuations and street closures. Educating residents and vacationers about landslide dangers and security procedures promotes preparedness and knowledgeable decision-making.

The potential of landslides is an inherent danger related to Cusco’s climate in January. Understanding the geological components, infrastructural vulnerabilities, and potential risks to vacationers permits for knowledgeable planning and danger mitigation. By acknowledging this connection between climate and landslide potential, guests can contribute to their very own security and make accountable choices that decrease potential disruptions throughout their travels within the Cusco area.

9. Important packing

Given the prevalence of rainfall in Cusco, Peru throughout January, applicable rain gear turns into important for a snug and productive journey. Packing sufficient safety from the weather ensures continued exploration and minimizes disruptions attributable to inclement climate. The next issues spotlight the important position of rain gear in navigating Cusco’s January local weather.

  • Waterproof Outerwear

    A high-quality waterproof and breathable jacket is paramount. Search for options like sealed seams, adjustable hoods, and sturdy water repellent (DWR) finishes. An extended jacket affords further safety. Ponchos, whereas light-weight, present much less efficient safety in sustained or heavy rainfall and may be cumbersome in windy circumstances. A dependable waterproof jacket stays the cornerstone of efficient rain safety in Cusco’s typically unpredictable climate.

  • Waterproof Trousers

    Waterproof trousers provide essential safety from rain and dirt, notably for these partaking in out of doors actions like trekking or exploring ruins. Light-weight, packable waterproof trousers are perfect for journey. These may be simply carried in a daypack and deployed when wanted, providing a handy and efficient barrier in opposition to moist circumstances. Combining waterproof trousers with a water-proof jacket ensures complete safety from the weather.

  • Waterproof Footwear

    Sturdy, waterproof footwear is crucial for navigating Cusco’s typically uneven and slippery terrain in the course of the wet season. Mountain climbing boots with waterproof membranes present glorious safety and ankle assist. Alternatively, waterproof strolling sneakers provide a lighter choice for metropolis exploration. Selecting footwear with good traction minimizes the danger of slips and falls on moist surfaces, guaranteeing secure and cozy motion all through town and surrounding areas.

  • Dry Bag or Backpack Cowl

    Defending belongings from rain is equally essential. A dry bag or waterproof backpack cowl safeguards digital gadgets, cameras, paperwork, and different delicate objects from moisture injury. Select a dry bag dimension applicable for the objects being carried. A backpack cowl affords a handy different for shielding all the contents of a backpack. This added layer of safety ensures beneficial belongings stay dry, even in heavy downpours, contributing to a worry-free journey expertise.

These important rain gear parts contribute considerably to a snug and productive expertise in Cusco throughout January’s wet season. Investing in high quality rain gear permits for continued exploration and minimizes disruptions attributable to unpredictable climate, enabling guests to completely respect the area’s wealthy cultural and pure heritage regardless of the prevalent rainfall.

Incessantly Requested Questions on Cusco’s Climate in January

This part addresses frequent inquiries relating to Cusco, Peru’s climate in January, offering concise and informative responses to facilitate knowledgeable journey planning and decision-making.

Query 1: How a lot rain can one count on in Cusco throughout January?

January usually experiences important rainfall, averaging between 150mm and 200mm (6-8 inches) all through the month. Rain can happen ceaselessly, typically lasting for a number of days. Nonetheless, it hardly ever rains constantly all day, typically interspersed with intervals of sunshine.

Query 2: Is it nonetheless doable to go to Machu Picchu throughout January?

Whereas Machu Picchu stays open to guests throughout January, entry may be affected by heavy rainfall. Landslides could quickly shut the Inca Path or the practice strains to Aguas Calientes, the city on the base of Machu Picchu. Flexibility and contingency plans are essential.

Query 3: What kind of clothes is beneficial for Cusco in January?

Layering is essential. Pack light-weight, breathable clothes for milder daytime temperatures and hotter layers for cooler nights. Waterproof and windproof outerwear, together with a jacket, trousers, and footwear, are important for navigating the wet circumstances.

Query 4: How does the rain have an effect on out of doors actions in Cusco throughout January?

Rain can disrupt out of doors actions, inflicting path closures or making circumstances much less pleasing. Flexibility is crucial. Having different indoor actions or backup plans is beneficial in case out of doors excursions turn out to be unfeasible.

Query 5: Are there any particular security considerations associated to January’s climate?

Landslides pose essentially the most important security danger throughout January. Staying knowledgeable about climate forecasts and heeding native advisories is paramount. Avoiding journey in high-risk areas during times of heavy rainfall is beneficial.

Query 6: What are some great benefits of visiting Cusco in January regardless of the rain?

Fewer crowds, lush inexperienced landscapes, and decrease costs on lodging and excursions are potential benefits. The wet season affords a singular perspective on the area’s pure magnificence.

Understanding Cusco’s climate in January permits for lifelike expectations and knowledgeable preparation. Flexibility, applicable gear, and consciousness of potential security considerations are essential for a rewarding journey expertise.

This FAQ part gives a basis for the next dialogue of particular journey suggestions and proposals for navigating Cusco in January.

Ideas for Navigating Cusco’s Climate in January

Efficiently navigating Cusco, Peru, in January requires preparedness and adaptableness to the area’s distinct wet season local weather. The following pointers provide sensible steering for maximizing consolation and minimizing potential disruptions.

Tip 1: Pack Versatile Layers: Temperature fluctuations between delicate days and cooler nights necessitate versatile layering. Light-weight, quick-drying clothes appropriate for layering kinds the inspiration of a sensible wardrobe. Packing a mixture of short-sleeved and long-sleeved shirts, fleece jackets, and a heat outer layer permits for adaptable consolation all through the day.

Tip 2: Prioritize Waterproof Gear: A high-quality waterproof jacket, trousers, and footwear are non-negotiable. Defending oneself from the frequent and sometimes heavy rainfall is paramount for sustaining consolation and stopping well being points. Sturdy, waterproof backpacks or dry baggage safeguard belongings from moisture injury.

Tip 3: Embrace Versatile Itineraries: Journey disruptions as a consequence of landslides, flooding, or flight cancellations are doable. Sustaining flexibility in itineraries permits for changes and minimizes the influence of unexpected circumstances. Constructing buffer days into journey plans accommodates potential delays.

Tip 4: Monitor Climate Forecasts: Staying knowledgeable about climate patterns and potential hazards permits for proactive changes to journey plans. Recurrently checking climate forecasts from dependable sources gives essential info for decision-making.

Tip 5: Heed Native Advisories: Native authorities typically problem warnings and advisories relating to street closures, path circumstances, and security considerations. Being attentive to these advisories and respecting native steering enhances security and minimizes dangers.

Tip 6: Contemplate Altitude Acclimatization: Cusco’s excessive altitude can current challenges, notably when mixed with chilly temperatures and bodily exertion. Permitting sufficient time for acclimatization, staying hydrated, and avoiding strenuous exercise upon arrival are vital precautions.

Tip 7: Pack Important Drugs: Carrying needed medicines, together with altitude illness cures, ache relievers, and any private prescriptions, ensures preparedness for frequent illnesses or surprising well being points.

Tip 8: Select Lodging Correctly: Confirming heating preparations in lodging is crucial for snug nights. Contemplate components similar to location, proximity to facilities, and availability of backup energy sources when deciding on lodging.

Implementing these sensible suggestions ensures a smoother and extra pleasing expertise navigating Cusco’s climate in January. Preparedness, adaptability, and knowledgeable decision-making contribute to a extra fulfilling and fewer demanding journey expertise.

This assortment of suggestions gives a complete framework for the concluding remarks relating to journey to Cusco in January.

Climate in Cusco, Peru in January

Navigating Cusco’s climate in January requires a nuanced understanding of the interaction between the wet season, excessive altitude, and fluctuating temperatures. Vital rainfall, whereas very important for the area’s ecosystem, necessitates thorough preparation and adaptable itineraries. Delicate daytime temperatures distinction sharply with cooler nights, influencing clothes decisions and lodging wants. Potential journey disruptions as a consequence of landslides, flooding, and flight cancellations underscore the significance of flexibility and knowledgeable decision-making. Prioritizing waterproof gear, monitoring climate forecasts, and heeding native advisories are essential for mitigating dangers and guaranteeing a snug expertise.

In the end, profitable journey throughout this era hinges on knowledgeable preparation and a willingness to embrace the dynamic nature of Cusco’s January local weather. Acknowledging the challenges and implementing applicable methods permits vacationers to completely respect the area’s wealthy cultural and pure wonders, even amidst the wet season. A sensible understanding of prevailing circumstances empowers guests to navigate potential disruptions and domesticate enriching experiences, fostering a deeper appreciation for the dynamic atmosphere of the Andes.