Weather Alert in Colorado

Red Flag Warning issued April 20 at 1:30PM MDT until April 21 at 8:00PM MDT by NWS Goodland KS

AREAS AFFECTED: Yuma; Kit Carson County; Cheyenne; Cheyenne; Rawlins; Decatur; Norton; Sherman; Thomas; Sheridan; Graham; Wallace; Logan; Gove; Greeley; Wichita; Dundy; Hitchcock; Red Willow

DESCRIPTION: ...Critical fire weather conditions are expected across the area Monday afternoon... .The combination of dry fuels, southwest winds gusting up to 30 mph and low relative humidity will support critical fire weather conditions across the area Monday afternoon. The National Weather Service in Goodland has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon MDT /1 PM CDT/ to 8 PM MDT /9 PM CDT/ Monday. * AFFECTED AREA...Fire Weather Zones 001 Cheyenne, 002 Rawlins, 003 Decatur, 004 Norton, 013 Sherman, 014 Thomas, 015 Sheridan, 016 Graham, 027 Wallace, 028 Logan, 029 Gove, 041 Greeley, 042 Wichita, 079 Dundy, 080 Hitchcock, 081 Red Willow, 252 Yuma, 253 Kit Carson and 254 Cheyenne. * TIMING...From noon MDT /1 PM CDT/ to 8 PM MDT /9 PM CDT/ Monday. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * TEMPERATURES...74 to 83. * 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 are imminent. 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 Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

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

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