Weather Alert in Colorado
Red Flag Warning issued February 17 at 12:57AM MST until February 17 at 8:00PM MST by NWS Goodland KS
AREAS AFFECTED: Yuma; Kit Carson County; Cheyenne; Cheyenne; Rawlins; Sherman; Wallace; Greeley; Dundy; Hitchcock
DESCRIPTION: Critical to extremely critical fire weather forecast for today. Low relative humidity, sustained winds around 40 mph and very dry fuels will lead to extreme fire spread for any fires that ignite. Winds are forecast to quickly increase between 9 to 10 mountain time this morning. The strongest winds are forecast from around 10am through 2pm mountain time. A lull in the winds is possible before a second surge of winds moves through during the mid to late afternoon. Southwest winds will change to west behind a cold front in the afternoon. Blowing dust may also occur near open fields or other source regions causing reductions in visibility and poor air quality. * AFFECTED AREA...THIS IS A PARTICULARLY DANGEROUS SITUATION FOR Fire Weather Zones 001 Cheyenne, 002 Rawlins, 013 Sherman, 027 Wallace, 041 Greeley, 079 Dundy, 080 Hitchcock, 252 Yuma, 253 Kit Carson and 254 Cheyenne. * TIMING...From 10 AM MST /11 AM CST/ this morning to 8 PM MST /9 PM CST/ this evening. * WINDS...West 30 to 40 mph with gusts up to 65 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...This is a Particularly Dangerous Situation. If fires start, they will be extremely dangerous and exhibit erratic fire behavior. Any fires that develop will rapidly grow and spread out of control.
INSTRUCTION: Comply with burn bans and regulations. Avoid driving on dry grass or brush. Maintain vehicle brakes and tires and secure tow chains to avoid dragging. Never toss lit cigarettes onto the ground. Evacuate if fire/smoke is heading your way, or if ordered to do so by local officials.
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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