Weather Alert in South Dakota
Fire Weather Watch issued May 12 at 1:53PM CDT until May 13 at 9:00PM CDT by NWS Aberdeen SD
AREAS AFFECTED: Brown; Marshall; Roberts; Day; Spink; Clark; Codington; Grant; Hamlin; Deuel
DESCRIPTION: The National Weather Service in Aberdeen has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Tuesday afternoon through Tuesday evening. * AFFECTED AREA...In South Dakota, Brown, Marshall, Roberts, Day, Spink, Clark, Codington, Grant, Hamlin and Deuel. * WINDS...South 20 to 35 mph with gusts up to 50 mph for the rest of today. South 15 to 25 mph with gusts up to 35 mph for Tuesday. * RELATIVE HUMIDITY...As low as 15 percent for the rest of today. As low as 19 percent for Tuesday. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
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Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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