Alert archive / Wyoming / Red Flag Warnings in 2008

Red Flag Warning 2, NWS Cheyenne, WY

April 19, 2008

NWS Cheyenne, WY issued this red flag warning at Apr 19, 2008, 9:15 AM MDT. It took effect at Apr 19, 2008, 12:00 PM MDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 19, 2008, 9:15 AM MDT (15:15 UTC)
In effect from: Apr 19, 2008, 12:00 PM MDT
Expired: Apr 19, 2008, 7:00 PM MDT
In force: 7 hr
Issued by: NWS Cheyenne, WY

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS85 KCYS 191515
RFWCYS

RED FLAG WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
915 AM MDT SAT APR 19 2008

NEZ200-202-WYZ291-200100-
/O.NEW.KCYS.FW.W.0002.080419T1800Z-080420T0100Z/
NEBRASKA NATIONAL FOREST AND THE OGALLALA NATIONAL GRASSLANDS-
SCOTTSBLUFF NATIONAL MONUMENT AND THE WILDCAT HILLS OF WESTERN
NEBRASKA-EAST-CENTRAL WYOMING. CONVERSE AND NIOBRARA COUNTIES-
915 AM MDT SAT APR 19 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING. 

TEMPERATURES WILL WARM INTO THE 70S TO NEAR 80 THIS AFTERNOON OVER 
EASTERN WYOMING AND THE WESTERN NEBRASKA PANHANDLE.  MINIMUM 
RELATIVE HUMIDITIES WILL DROP TO AROUND 10 TO 15 PERCENT THIS 
AFTERNOON INTO EARLY THIS EVENING.  GUSTY SOUTH WINDS OF 15 TO 25 
MPH WITH SOME GUSTS OF 30 TO 35 MPH WILL ALSO BLOW. 

THIS COMBINATION OF WARM TEMPERATURES...LOW RELATIVE HUMIDITIES AND 
GUSTY WINDS WILL SIGNIFICANTLY INCREASE THE THREAT OF OUTDOOR FIRES 
BEING ABLE TO SPREAD RAPIDLY THROUGH DRY FUELS.

AS TEMPERATURES START TO DROP OFF EARLY THIS EVENING...RELATIVE 
HUMIDITIES WILL START CLIMBING AND END THE THREAT OF CRITICAL FIRE 
WEATHER CONDITIONS.

$$

1 follow-up statement

000 
WWUS85 KCYS 200050
RFWCYS

RED FLAG WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
650 PM MDT SAT APR 19 2008

NEZ200-202-WYZ291-201215-
/O.EXP.KCYS.FW.W.0002.000000T0000Z-080420T0100Z/
/O.NEW.KCYS.FW.A.0002.080420T1700Z-080421T0200Z/
NEBRASKA NATIONAL FOREST AND THE OGALLALA NATIONAL GRASSLANDS-
SCOTTSBLUFF NATIONAL MONUMENT AND THE WILDCAT HILLS OF WESTERN
NEBRASKA-EAST-CENTRAL WYOMING. CONVERSE AND NIOBRARA COUNTIES-
650 PM MDT SAT APR 19 2008

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...
...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING. THE RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS
EVENING. 

CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE TO STEADILY IMPROVE
THIS EVENING AND OVERNIGHT AS TEMPERATURES DECREASE AND
ASSOCIATED RELATIVE HUMIDITIES RECOVER ABOVE THRESHOLDS.
THEREFORE...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE ON
SCHEDULE AT 7 PM.

TEMPERATURES WILL WARM ONCE AGAIN BACK INTO THE 70S ON SUNDAY
ACROSS EAST CENTRAL WYOMING AND THE WESTERN NEBRASKA PANHANDLE.
MINIMUM RELATIVE HUMIDITIES ARE ANTICIPATED TO DROP TO CRITICAL
THRESHOLDS AGAIN TOMORROW AFTERNOON. IN ADDITION...SOUTHWESTERLY
WINDS WILL INCREASE TO 20 TO 25 MPH WITH GUSTS TO 35 MPH. THE
COMBINATION OF THE WARM TEMPERATURES...LOW RELATIVE
HUMIDITIES...AND GUSTY WINDS HAS PROMPTED THE ISSUANCE OF A FIRE
WEATHER WATCH FOR SUNDAY.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

HAHN

Nearby

Red Flag Warnings in Wyoming, 2008 Red Flag Warnings in Nebraska, 2008 Every red flag warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.