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 Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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