What is the difference between sleet and hail?

Question Answered by Tim Axford, Meterologist, National Weather Service-Pocatello, ID. HAIL Usually occurs during the spring and summer but could occur during all seasons. When thunderstorms form, air moves from near the ground up into the sky, sometimes as high as 50,000 ft up! This air moving upwards will carry drops of water with it.…

Is coal a sedimentary rock?

Answered by Kurt Edwards, Geologist and GIS Analyst, INL ESER Program he short answer is yes, coal is a sedimentary rock. Coal is formed mainly from plant material that accumulates in a swampy environment. These plants that become coal, lived before and during the time of the dinosaurs. When the plants died they would sink…

What makes a foggy day?

Answered by Nicole Peterson, Meteorologist, National Weather Service-Pocatello Office Fog is simply a cloud, but on the ground. In order for fog to form, there needs to be moisture in the air. Fog typically forms overnight when the air near the ground cools, and disappears in the morning when the sun warms up the air.…

Since deciduous trees lose their leaves in the winter and their ability to perform photosynthesis, do they have to store food to stay alive?

Question answered by Kristin Kaser, Plant Ecologist, INL ESER Program Yes, deciduous trees must store food to stay alive in the winter. During the spring, deciduous trees begin creating food through photosynthesis; they are simultaneously preparing for their dormant period where they store extra nutrients as starches in underground structures like roots. As the growing…