Weather Alert in Iowa
Fire Weather Watch issued May 9 at 3:29AM CDT until May 11 at 10:00PM CDT by NWS Sioux Falls SD
AREAS AFFECTED: Lyon; Osceola; Sioux; Charles Mix; Douglas; Hutchinson; Turner; Lincoln; Bon Homme; Yankton; Clay; Union
DESCRIPTION: The National Weather Service in Sioux Falls has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Sunday morning through Sunday evening. * AFFECTED AREA...In Iowa, Lyon, Osceola and Sioux. In South Dakota, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. * WINDS...South 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
INSTRUCTION: 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 Fog?
Home - Education - Cloud Types - Fog
Next Topic: Fractus Clouds
Fog is technically a type of stratus cloud, which lies along the
ground and obscures visibility.
It is usually created when humidity in the air condenses into tiny water droplets.
Because of this, some places are more prone to foggy weather, such as regions
close to a body of water.
Fog is similar to mist; both are the appearance of water droplets suspended in
the air, but fog is the term applied to the condition when visibility is less than 1 km.
Next Topic: Fractus Clouds
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
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