Weather Alert in Iowa
Red Flag Warning issued March 14 at 3:14AM CDT until March 14 at 8:00PM CDT by NWS Des Moines IA
AREAS AFFECTED: Grundy; Black Hawk; Marshall; Tama; Polk; Jasper; Poweshiek; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis
DESCRIPTION: ...Critical Fire Weather Conditions this Afternoon and Early Evening over much of Southern, Central, and Eastern Iowa... .Very warm conditions with near record highs, strong and gusty south to southeast winds, and drier air coupled with dry fuels will create critical fire weather conditions by this afternoon. The National Weather Service in Des Moines has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 8 PM CDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Much of southern, central, and eastern Iowa * WIND...Sustained winds of 20 to 30 mph with gusts of 35 to 50 mph will be common. * HUMIDITY...As low as 28 to 38 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
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.
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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
