Alert archive / Wyoming / Red Flag Warnings in 2011
Red Flag Warning 9, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Sep 2, 2011, 2:43 AM MDT. It took effect at Sep 2, 2011, 12:00 PM 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
- Sep 2, 2011, 2:43 AM MDT (08:43 UTC)
- In effect from
- Sep 2, 2011, 12:00 PM MDT
- Expired
- Sep 2, 2011, 7:44 PM MDT
- In force
- 8 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted, in the capitals the NWS used until 2016.
487 WWUS85 KCYS 020843 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 243 AM MDT FRI SEP 2 2011 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON... .THE COMBINATION OF INCREASING WINDS DURING THE AFTERNOON AND LOW RELATIVE HUMIDITIES WILL CREATE CRITICAL FIRE WEATHER CONDITIONS OVER MUCH OF SOUTHEAST WYOMING...MAINLY ALONG AND WEST OF THE LARAMIE RANGE. WYZ301>304-306-308-309-022130- /O.UPG.KCYS.FW.A.0007.110902T1800Z-110903T0100Z/ /O.NEW.KCYS.FW.W.0009.110902T1800Z-110903T0200Z/ NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- 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- 243 AM MDT FRI SEP 2 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR MUCH OF SOUTHEAST WYOMING ALONG AND WEST OF THE LARAMIE RANGE... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 301 AND 302 ACROSS EAST CENTRAL WYOMING. FIRE WEATHER ZONES 303...304...306...308 AND 309 ACROSS SOUTH CENTRAL WYOMING. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * TIMING...NOON TODAY UNTIL 8 PM THIS EVENING * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * TEMPERATURES...IN THE MIDDLE 70S TO LOW 80S. * IMPACTS...GUSTY WEST WINDS COMBINED WITH LOW RELATIVE HUMIDITIES WILL CREATE 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. && $$ TT
2 follow-up statements
624 WWUS85 KCYS 022120 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 320 PM MDT FRI SEP 2 2011 ...CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THE EARLY EVENING... .THE COMBINATION OF GUSTY WESTERLY WINDS AND LOW RELATIVE HUMIDITIES WILL PERSIST THROUGH THE EARLY EVENING AND CREATE CRITICAL FIRE WEATHER CONDITIONS OVER MUCH OF SOUTHEAST WYOMING...MAINLY ALONG AND WEST OF THE LARAMIE RANGE. WYZ301>304-306-308-309-030200- /O.CON.KCYS.FW.W.0009.000000T0000Z-110903T0200Z/ NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS- SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN- LARAMIE VALLEY/SHIRLEY BASIN-SOUTH LARAMIE RANGE/MEDICINE BOW NF- 320 PM MDT FRI SEP 2 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND GUSTS OVER 25 MPH AND RELATIVE HUMIDITIES BELOW 15 PERCENT FOR SOUTHEAST WYOMING MAINLY ALONG AND WEST OF THE LARAMIE RANGE. AT 3 PM...MANY LOCATIONS WITHIN THE WARNING AREA HAVE WIND GUSTS AROUND 35 MPH AND RELATIVE HUMIDITY VALUES BETWEEN 8 AND 15 PERCENT. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 301 AND 302 ACROSS EAST CENTRAL WYOMING. FIRE WEATHER ZONES 303...304...306...308 AND 309 ACROSS SOUTH CENTRAL WYOMING. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * TIMING...UNTIL 8 PM THIS EVENING * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * TEMPERATURES...IN THE 80S. * IMPACTS...GUSTY WEST WINDS COMBINED WITH LOW RELATIVE HUMIDITIES WILL CREATE THE POTENTIAL FOR RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WEILAND
772 WWUS85 KCYS 030144 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 744 PM MDT FRI SEP 2 2011 ...CRITICAL FIRE WEATHER CONDITIONS HAVE EASED OVER SOUTHEAST WYOMING... .WESTERLY WINDS HAVE DECREASED OVER SOUTHEAST WYOMING SINCE 630 PM AND THE RELATIVE HUMIDITY VALUES HAVE STARTED TO RECOVER SLOWLY. FOR THOSE REASONS...HAVE CANCELLED THE RED FLAG WARNING THAT WAS IN EFFECT UNTIL 8 PM. WYZ301>304-306-308-309-030245- /O.CAN.KCYS.FW.W.0009.000000T0000Z-110903T0200Z/ NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- 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- 744 PM MDT FRI SEP 2 2011 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR MANY AREAS ALONG AND WEST OF THE LARAMIE RANGE. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE RED FLAG WARNING. WESTERLY WINDS HAVE DECREASED OVER SOUTHEAST WYOMING SINCE 630 PM AND THE RELATIVE HUMIDITY VALUES HAVE STARTED TO RECOVER SLOWLY. FOR THOSE REASONS...HAVE CANCELLED THE RED FLAG WARNING THAT WAS IN EFFECT UNTIL 8 PM. $$ WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 9:33 PM MDT | Fire Weather Watch | CYS | 5 hr |
Nearby
Red Flag Warnings in Wyoming, 2011Every red flag warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.