Weather Alert in Virginia
Flood Watch issued May 12 at 3:02AM EDT until May 13 at 2:00PM EDT by NWS Blacksburg VA
AREAS AFFECTED: Botetourt; Rockbridge; Amherst
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and west central Virginia, including the following counties, in central Virginia, Amherst. In west central Virginia, Botetourt and Rockbridge. * WHEN...Through Tuesday afternoon. * IMPACTS...Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - A slow moving upper level low will move north out of the Gulf Coast through Tuesday afternoon. This will lead to periods of moderate to heavy rainfall across portions of northwest North Carolina and South Central Virginia, and especially across the Blue Ridge where upslope flow may enhance rainfall totals. Storm total rainfall of 2 to 4 inches is expected, with locally higher amounts of 4 to 6 inches possible along the eastern slope of the Blue Ridge. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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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