Weather Alert in Iowa
Red Flag Warning issued February 17 at 8:25PM CST until February 18 at 7:00PM CST by NWS La Crosse WI
AREAS AFFECTED: Mitchell; Howard; Winneshiek; Allamakee; Floyd; Chickasaw; Fayette; Clayton
DESCRIPTION: ...Critical fire weather conditions likely for northeast Iowa Wednesday... .The combination of strong winds and very dry conditions are favored to lead to critical fire weather conditions in northeast Iowa Wednesday, particularly in areas dominated by tall grasses. While shorter grasses and shrubs may remain damp due to recent melt of snowpack atop still frozen deeper soils, tall grasses may have dried enough to become receptive to ignition and rapid spread. The National Weather Service in La Crosse has issued a Red Flag Warning for strong winds and low humidity, which is in effect from noon to 7 PM CST Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Iowa, Mitchell, Howard, Winneshiek, Allamakee, Floyd, Chickasaw, Fayette and Clayton. * TIMING...From noon to 7 PM CST Wednesday. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 17 percent. * TEMPERATURES...Up to 59. * IMPACTS...Any fire that develops will catch and spread quickly. 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 Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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
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