Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 22, NWS Cheyenne, WY

April 9, 2012

NWS Cheyenne, WY issued this red flag warning at Apr 9, 2012, 1:31 PM MDT. It was in force for 5 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 9, 2012, 1:31 PM MDT (19:31 UTC)
Expired
Apr 9, 2012, 7:00 PM MDT
In force
5 hr
Issued by
NWS Cheyenne, WY

The text

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

850 
WWUS85 KCYS 091931
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
131 PM MDT MON APR 9 2012

...CRITICAL FIRE WEATHER CONDITIONS ACROSS LOWER ELEVATIONS OF
CARBON COUNTY TODAY...

.GUSTY WEST WINDS WILL COMBINE WITH THE VERY DRY RELATIVE
HUMIDITIES AND CRITICAL FUELS TO ELEVATE FIRE WEATHER CONDITIONS
ACROSS THE LOWER ELEVATIONS THROUGH EARLY THIS EVENING.

WYZ303-306-100100-
/O.NEW.KCYS.FW.W.0022.120409T1931Z-120410T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
UPPER NORTH PLATTE RIVER BASIN-
131 PM MDT MON APR 9 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE LOWER ELEVATIONS OF CARBON
COUNTY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT
UNTIL 7 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN 
  CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS AND FIRE WEATHER ZONE 
  306 UPPER NORTH PLATTE RIVER BASIN.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...THROUGH 7 PM.

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* TEMPERATURES...IN THE 60S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE FOR ANY FIRES THAT INITIATE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HAHN
1 follow-up statement
509 
WWUS85 KCYS 100100
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
700 PM MDT MON APR 9 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

.WINDS WILL DIMINISH AND RELATIVE HUMIDITIES WILL RISE ABOVE
CRITICAL LEVELS THIS EVENING.

WYZ303-306-100200-
/O.EXP.KCYS.FW.W.0022.000000T0000Z-120410T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
UPPER NORTH PLATTE RIVER BASIN-
700 PM MDT MON APR 9 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE LOWER ELEVATIONS OF CARBON
COUNTY...

WINDS WILL DIMINISH AND RELATIVE HUMIDITIES WILL RISE ABOVE
CRITICAL LEVELS THIS EVENING.

$$

JAMSKI

Nearby

Red Flag Warnings in Wyoming, 2012Every red flag warning in 2012

Sources

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