Weather guides

How to Read a Weather Radar

Learn what radar colors mean, how radar differs from satellite, what it cannot show, and how to combine radar with the forecast to plan the next few hours.

Altitude sickness (soroche) in Bolivia: symptoms and how to acclimatise

What soroche or altitude sickness is, why it strikes in La Paz, El Alto, Potosí and Uyuni, how to recognise the symptoms and how to acclimatise and prevent it.

The surazo and friajes: southern cold fronts in Bolivia

What the surazo is, why it causes sharp temperature drops in the Bolivian lowlands, and how to anticipate these cold fronts from the south.

Extreme UV index on the altiplano: how to protect yourself

Why the UV index on the Bolivian altiplano reaches extreme levels, what each level means and how to protect your skin and eyes at altitude.

Rainy season in Bolivia: hailstorms, thunderstorms and floods

When the rainy season runs in Bolivia, why hailstorms hit La Paz and floods hit the lowlands, and how to prepare.

Frost risk on the altiplano: a forecast for the countryside

When frost occurs on the Bolivian altiplano, how it affects potatoes and quinoa, and how to plan ahead with the forecast to protect your crops.

How a Weather Forecast Is Made

Find out how a weather forecast is built: the observations, numerical models such as ECMWF, GFS and ICON, why forecasts carry uncertainty, and how often the data is updated.

Air Quality and the AQI Index

What the air quality index (AQI) means, the main pollutants such as PM2.5, PM10, O₃ and NO₂, the health categories, and how to reduce your exposure.

Feels-like temperature: why it differs from the thermometer

What feels-like temperature is, how it differs from air temperature, how wind and humidity change what you sense, and why it matters for your health and clothing.

Humidity and Comfort: How It Affects Your Body

The difference between relative and absolute humidity, what dew point is, why high humidity feels hotter and low humidity dries you out, and the comfortable ranges.

El Nino and La Nina: the pulse of Latin America's climate

What El Nino and La Nina (the ENSO phenomenon) are, how they shift rainfall and temperatures across Latin America, how long their cycles last, and why they matter so much for the region.