Alert archive / Wyoming / Red Flag Warnings in 2012
Red Flag Warning 44, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Jul 11, 2012, 2:29 AM MDT. It took effect at Jul 11, 2012, 12:00 PM MDT. It was in force for 9 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
- Jul 11, 2012, 2:29 AM MDT (08:29 UTC)
- In effect from
- Jul 11, 2012, 12:00 PM MDT
- Expired
- Jul 11, 2012, 8:44 PM MDT
- In force
- 9 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted, in the capitals the NWS used until 2016.
508 WWUS85 KCYS 110829 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 229 AM MDT WED JUL 11 2012 ...RED FLAG WARNING FOR WYOMING FIRE WEATHER ZONES 301 THROUGH 308 FOR WIDELY SCATTERED DRY THUNDERSTORMS FROM NOON THROUGH 9 PM TODAY... .CRITICAL FIRE WEATHER CONDITIONS ARE LOOKING LIKELY WEST OF THE LARAMIE RANGE TODAY AS TEMPERATURES CLIMB INTO THE LOW 90S AND AFTERNOON HUMIDITIES FALL BELOW 15 PERCENT. ADDITIONALLY...VERY HIGH BASED WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS CARBON...ALBANY AND CONVERSE COUNTIES TODAY AS A COLD FRONT TRACKS ACROSS NORTHERN WYOMING. COMBINATION OF HOT AND DRY CONDITIONS WITH THESE WIDELY SCATTERED DRY THUNDERSTORMS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WEST OF THE LARAMIE RANGE FROM NOON UNTIL 9 PM THIS EVENING. DOWNBURST WINDS FROM THESE HIGH BASED THUNDERSTORMS WILL CREATE ERRATIC AND RAPID FIRE GROWTH THIS AFTERNOON THROUGH EARLY EVENING. WYZ301>308-120000- /O.NEW.KCYS.FW.W.0044.120711T1800Z-120712T0300Z/ 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-SIERRA MADRE RANGE/MEDICINE BOW NF- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF- LARAMIE VALLEY/SHIRLEY BASIN- 229 AM MDT WED JUL 11 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES WESTERN 301 AND 302 THROUGH 308... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE- SHIRLEY MOUNTAINS...FIRE WEATHER ZONE 304 SOUTHWEST CARBON... FIRE WEATHER ZONE 305 SIERRA MADRE RANGE/MEDICINE BOW NF... FIRE WEATHER ZONE 306 UPPER NORTH PLATTE RIVER BASIN...FIRE WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN. * THUNDERSTORMS...WIDELY SCATTERED HIGH BASED THUNDERSTORMS EXPECTED TO DEVELOP ACROSS CARBON...CONVERSE AND ALBANY COUNTIES BY EARLY AFTERNOON AND PERSIST THROUGH EARLY EVENING. AFTERNOON HUMIDITIES EXPECTED TO FALL INTO THE UPPER SINGLE DIGITS AND LOW TEENS. * OUTFLOW WINDS...ERRATIC DOWNBURST WINDS OF UP TO 50 MPH ARE EXPECTED TO OCCUR WITH THESE DRY THUNDERSTORMS...LEADING TO RAPID AND ERRATIC FIRE GROWTH. * IMPACTS...EXTREMELY DRY CONDITIONS THIS AFTERNOON...ALONG WITH DRY LIGHTNING...HAVE THE POTENTIAL TO CREATE MANY FIRE STARTS ACROSS CARBON ALBANY AND CONVERSE COUNTIES THIS AFTERNOON THROUGH THIS EVENING. 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. && $$
2 follow-up statements
978 WWUS85 KCYS 112132 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 332 PM MDT WED JUL 11 2012 ...RED FLAG WARNING FOR WYOMING FIRE WEATHER ZONES 301 THROUGH 308 FOR WIDELY SCATTERED DRY THUNDERSTORMS THROUGH 9 PM THIS EVENING... .CRITICAL FIRE WEATHER CONDITIONS ARE CONTINUING TO LOOK LIKELY WEST OF THE LARAMIE RANGE THIS AFTERNOON AND EVENING AS TEMPERATURES CLIMB INTO THE MID 90S AND AFTERNOON HUMIDITIES FALL BELOW 15 PERCENT. ADDITIONALLY...HIGH BASED THUNDERSTORMS WILL DEVELOP AND MOVE ACROSS CARBON...ALBANY AND CONVERSE COUNTIES AS A COLD FRONT TRACKS ACROSS NORTHERN WYOMING. COMBINATION OF HOT AND DRY CONDITIONS WITH THESE DRY THUNDERSTORMS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WEST OF THE LARAMIE RANGE UNTIL 9 PM THIS EVENING. ERRATIC DOWNBURST WINDS FROM THESE HIGH BASED THUNDERSTORMS WILL BE FAVORABLE FOR RAPID FIRE GROWTH THROUGH EARLY EVENING. WYZ301>308-120300- /O.CON.KCYS.FW.W.0044.000000T0000Z-120712T0300Z/ 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-SIERRA MADRE RANGE/MEDICINE BOW NF- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF- LARAMIE VALLEY/SHIRLEY BASIN- 332 PM MDT WED JUL 11 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES WESTERN 301 AND 302 THROUGH 308... * AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE- SHIRLEY MOUNTAINS...FIRE WEATHER ZONE 304 SOUTHWEST CARBON... FIRE WEATHER ZONE 305 SIERRA MADRE RANGE/MEDICINE BOW NF... FIRE WEATHER ZONE 306 UPPER NORTH PLATTE RIVER BASIN...FIRE WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN. * THUNDERSTORMS...WIDELY SCATTERED HIGH BASED THUNDERSTORMS WILL MOVE ACROSS CARBON...CONVERSE AND ALBANY COUNTIES THROUGH EARLY EVENING. AFTERNOON HUMIDITIES WILL BE IN THE UPPER SINGLE DIGITS AND LOW TEENS. * OUTFLOW WINDS...ERRATIC DOWNBURST WINDS OF UP TO 50 MPH ARE EXPECTED TO OCCUR WITH DRY THUNDERSTORMS...LEADING TO RAPID AND ERRATIC FIRE GROWTH. * IMPACTS...EXTREMELY DRY CONDITIONS LATE THIS AFTERNOON...ALONG WITH LIGHTNING AND VERY LITTLE RAINFALL FROM THUNDERSTORMS MOVING ACROSS THE AREA...HAVE THE POTENTIAL TO CREATE MULTIPLE FIRE STARTS ACROSS CARBON...ALBANY AND CONVERSE COUNTIES THROUGH THIS EVENING. 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. && $$ RJM
502 WWUS85 KCYS 120244 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 844 PM MDT WED JUL 11 2012 ...RED FLAG WARNING FOR PARTS OF SOUTHEAST WYOMING HAS BEEN CANCELLED... .MOST OF THE THUNDERSTORM ACTIVITY HAS MOVED OVER FAR EASTERN WYOMING AND THE WESTERN NEBRASKA PANHANDLE THIS EVENING. FOR THAT REASON...THE THREAT OF NEW FIRE STARTS AND RAPID FIRE SPREAD HAS ENDED FOR THE NIGHT. WYZ301>308-120345- /O.CAN.KCYS.FW.W.0044.000000T0000Z-120712T0300Z/ 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-SIERRA MADRE RANGE/MEDICINE BOW NF- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF- LARAMIE VALLEY/SHIRLEY BASIN- 844 PM MDT WED JUL 11 2012 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...303...304...305... 306...307 AND 308... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE RED FLAG WARNING. MOST OF THE THUNDERSTORM ACTIVITY HAS MOVED EAST AND OVER FAR EASTERN WYOMING AND THE WESTERN NEBRASKA PANHANDLE THIS EVENING. FOR THAT REASON...THE THREAT OF NEW FIRE STARTS AND RAPID FIRE SPREAD HAS ENDED FOR THE NIGHT. $$ WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:59 PM MDT | Special Weather Statement | CYS | 46 min | |
| Jul 11, 3:59 PM MDT | Special Weather Statement | CYS | Laramie | 61 min |
| Jul 11, 4:43 PM MDT | Special Weather Statement | CYS | Laramie | 47 min |
| Jul 11, 4:46 PM MDT | Special Weather Statement | CYS | Platte | 44 min |
| Jul 11, 5:36 PM MDT | Special Weather Statement | CYS | Platte | 39 min |
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.