Weather Alert in Illinois

Recent Locations: Sorrento, FL   Spraggs, PA   Sugar Grove, IL  
Current Alerts for Sugar Grove, IL: Dense Fog Advisory

Red Flag Warning issued February 27 at 12:28AM CST until February 27 at 6:00PM CST by NWS St Louis MO

AREAS AFFECTED: Adams; Brown; Pike; Knox; Lewis; Shelby; Marion; Monroe; Ralls; Pike; Audrain

DESCRIPTION: The National Weather Service in St Louis MO has issued a Red Flag Warning in effect from noon today to 6 PM CST this evening. * AFFECTED AREA...Portions of west central Illinois and central and northeast Missouri. * TIMING...From noon today to 6 PM CST this evening. * WINDS...West winds 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Relative Humidity between 20 to 25 percent. * TEMPERATURES...In the upper 60s to low 70s. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

INSTRUCTION: Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Stratus Clouds Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

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

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