Weather Alert in Iowa
Red Flag Warning issued March 14 at 2:56AM CDT until March 14 at 8:00PM CDT by NWS La Crosse WI
AREAS AFFECTED: Mitchell; Howard; Winneshiek; Floyd; Chickasaw; Fayette; Clayton
DESCRIPTION: ...Critical Fire Weather Conditions for Northeast Iowa this Afternoon... .The combination of strong southeast winds gusting to 40 to 45 mph, low humidity values of 25 to 35 percent, and dry fuels will result in critical fire weather conditions this afternoon for northeast Iowa. There is a 30 to 50 percent chance that humidity values could fall further than forecast depending on how deeply we mix. A line of showers and thunderstorms moves in after 7 pm from from southwest to northeast, will bring wind gusts upwards of 60 to 70 mph, locally higher in a few spots. These severe wind gusts may even occur slightly ahead of the line of precipitation. The National Weather Service in La Crosse has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 8 PM CDT this evening. * AFFECTED AREA...In Iowa, Mitchell, Howard, Winneshiek, Floyd, Chickasaw, Fayette and Clayton. * TIMING...From 1 PM this afternoon to 8 PM CDT this evening. * WINDS...Southeast 20 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 25 to 35 percent. * TEMPERATURES...Up to 76. * 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 Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
