Weather Alert in Iowa
Red Flag Warning issued March 27 at 11:17AM CDT until March 28 at 7:00PM CDT by NWS La Crosse WI
AREAS AFFECTED: Mitchell; Howard; Floyd; Chickasaw; Wabasha; Dodge; Olmsted; Mower; Fillmore
DESCRIPTION: ...Critical Fire Spread Conditions Saturday Afternoon in southeast Minnesota and northeast Iowa... .Strong winds and very dry air will cause critical fire weather conditions on Saturday afternoon and very early evening. Dormant grasses and leaf debris could be favorable for easy ignition and spread of fire. The National Weather Service in La Crosse has issued a Red Flag Warning which is in effect from noon to 7 PM Saturday for critical weather conditions that favor rapidly spreading fires. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Iowa, Mitchell, Howard, Floyd and Chickasaw. In Minnesota, Wabasha, Dodge, Olmsted, Mower and Fillmore. * TIMING...From noon to 7 PM CDT Saturday. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...15 to 22 percent. * TEMPERATURES...In the low to middle 50s. * 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 are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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
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