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New Year, New Look: Favorite Cloud Ask Us Anything

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Marile Colon Robles
Published DatePosted 4/11/24 8:00 AM - 23016 Views

seven different photographs taken by GLOBE Observers of sky and clouds from around the world. The first one is an image of ice, mountains, and clouds taken from a ship. The second is a gray sky completely covered by clouds. The clouds look flat with some bulges to them. The third is taken in the horizon and you can see clouds, mountains, and houses. The clouds are layered and look gray. You can also see orange colors in the horizon. The fourth is a photo of thing clouds in the horizon with orange colors in the bottom and gray to dark blue on the top. The fifth image is of altocumulus clouds that look like gray cotton balls all smooshed together and the sun slightly visible right on the center. The sixth is an image of the sun peaking over mountains, trees, and snow, and mid level clouds. The last image is of blue skies to the top of the image and a line of cumulus clouds and stratus clouds covering the bottom of the image.

The GLOBE Clouds team is delighted to announce this new section that showcases sky and cloud photographs from around the world! We’ve also been receiving some amazing questions from students.

The featured question was asked by students from Corpus Christi Catholic School:

Question: Why can we see clouds but not evaporation?
Answer: Water vapor is invisible. However, the water in clouds is in liquid or solid state, not gas.

Do you have a favorite cloud photo or a question for the team? Use the linked form to cast your vote and ask us any question related to clouds. The winning photo will be announced at our next quarterly update.

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NASA GLOBE Clouds Meet the Expert: Magdalena Waleska Aldana Segura

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Marile Colon Robles
04 Apr
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José Martín Cárdenas Silva
4 Days Ago

Greetings to all,

In Peru, we are aiming to work with wooden meteorological shelters. However, we are facing a problem with the availability of equipment to record air temperature and relative humidity. There is limited supply of instruments and equipment in the country.

To measure air temperature and relative humidity, we have only two types of instruments available in the Peruvian market: an alcohol thermometer and a digital thermo-hygrometer, such as the one shown in the image.

Our question is: What is the correct procedure to follow for recording temperature using the wooden meteorological shelter with either the alcohol thermometer and/or the digital thermo-hygrometer?

Can we use the digital thermo-hygrometer to measure both temperature and humidity at the same time? Should the digital thermo-hygrometer remain inside the shelter all day, every day, in order to record maximum and minimum temperatures? What considerations should we take into account for recording relative humidity? Do we need to use two digital thermo-hygrometers—one for recording temperature and another for relative humidity? How should we calibrate this digital thermo-hygrometer?

The GLOBE Teacher guide is not clear on these points, and the instruments it describes are different from those available in Peru.