Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 70, NWS Cheyenne, WY

October 10, 2012

NWS Cheyenne, WY issued this red flag warning at Oct 10, 2012, 9:37 AM MDT. It took effect at Oct 10, 2012, 11:00 AM MDT. It was in force for 8 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
Oct 10, 2012, 9:37 AM MDT (15:37 UTC)
In effect from
Oct 10, 2012, 11:00 AM MDT
Expired
Oct 10, 2012, 7:00 PM MDT
In force
8 hr
Issued by
NWS Cheyenne, WY

The text

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

327 
WWUS85 KCYS 101537
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
937 AM MDT WED OCT 10 2012

...RED FLAG CONDITIONS TO DEVELOP OVER LOWER ELEVATIONS TO THE
WEST OF THE LARAMIE RANGE THIS AFTERNOON...

.STRONG WESTERLY WINDS WILL DEVELOP THIS AFTERNOON TO THE WEST OF
THE LARAMIE RANGE. WINDS WILL BE SUSTAINED AT 20 TO 25 MPH WITH
GUSTS TO 35 MPH. IN ADDITION...A DRY AIRMASS WILL RESULT IN
RELATIVE HUMIDITY VALUES FALLING TO AROUND 15 PERCENT. THE RED
FLAG CONDITIONS THIS AFTERNOON WILL END AFTER SUNSET AS
TEMPERATURES BEGIN TO COOL.

WYZ303-304-306-308-309-102345-
/O.NEW.KCYS.FW.W.0070.121010T1700Z-121011T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
937 AM MDT WED OCT 10 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 303...304...
306...308 AND 309...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE 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...FIRE WEATHER ZONE 
  304 SOUTHWEST CARBON...FIRE WEATHER ZONE 306 UPPER NORTH 
  PLATTE RIVER BASIN...FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE
  POTENTIAL FOR RAPID FIRE GROWTH.

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.

&&

$$

FINCH
2 follow-up statements
380 
WWUS85 KCYS 102017
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
217 PM MDT WED OCT 10 2012

...RED FLAG CONDITIONS TO CONTINUE THROUGH THIS AFTERNOON ALONG
AND WEST OF THE LARAMIE RANGE...

.STRONG WESTERLY WINDS WILL CONTINUE THIS AFTERNOON ALONG AND TO THE
WEST OF THE LARAMIE RANGE. WINDS WILL BE SUSTAINED AT 20-25 MPH
WITH GUSTS TO 35 MPH. IN ADDITION...A DRY AIRMASS IS CAUSING
RELATIVE HUMIDITY VALUES TO BE AROUND 10-15 PERCENT. THE RED FLAG
CONDITIONS WILL END AFTER SUNSET AS TEMPERATURES BEGIN TO COOL.

WYZ303-304-306-308-309-110100-
/O.CON.KCYS.FW.W.0070.000000T0000Z-121011T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
217 PM MDT WED OCT 10 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 303...
304...306...308 AND 309...

* AFFECTED AREA...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN 
  CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE WEATHER ZONE 
  304 SOUTHWEST CARBON...FIRE WEATHER ZONE 306 UPPER NORTH 
  PLATTE RIVER BASIN...FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...12-15 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID FIRE GROWTH. 

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.

&&

$$

FINCH
752 
WWUS85 KCYS 110102
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
702 PM MDT WED OCT 10 2012

...RED FLAG WARNING EXPIRED AT 7 PM MDT THIS EVENING...

WYZ303-304-306-308-309-110215-
/O.EXP.KCYS.FW.W.0070.000000T0000Z-121011T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
702 PM MDT WED OCT 10 2012

...RED FLAG WARNING EXPIRED AT 7 PM MDT THIS EVENING FOR WIND 
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 303...304...
306...308 AND 309...

WINDS WERE DIMINISHING AND RELATIVE HUMIDITIES HAVE RISEN ABOVE
15 PERCENT. THEREFORE...CRITICAL FIRE WEATHER CONDITIONS HAVE 
ENDED AND THE RED FLAG WARNING WILL EXPIRED AT 7 PM.

$$

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.