Weather Alert in Iowa
Severe Thunderstorm Warning issued April 28 at 10:06PM CDT until April 28 at 10:30PM CDT by NWS Des Moines IA
AREAS AFFECTED: Story, IA
DESCRIPTION: At 1005 PM CDT, a severe thunderstorm was located near McCallsburg, or 6 miles northeast of Nevada, moving northeast at 55 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. This storm has a history of 60 mph wind gusts. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Zearing, Kelley, Roland, Ames, Ames Municipal Airport, Gilbert, Iowa State Center, McCallsburg, Colo, and Nevada. This includes Interstate 35 between mile markers 106 and 122.
INSTRUCTION: A Tornado Watch remains in effect until 1100 PM CDT for central Iowa. A Tornado Watch also remains in effect until midnight CDT for central Iowa. For your protection move to an interior room on the lowest floor of a building.
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Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
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