Alert archive / Wyoming / Red Flag Warnings in 2011
Red Flag Warning 6, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Aug 30, 2011, 2:25 AM MDT for 6 counties in Wyoming. It took effect at Aug 30, 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
- Aug 30, 2011, 2:25 AM MDT (08:25 UTC)
- In effect from
- Aug 30, 2011, 12:00 PM MDT
- Expired
- Aug 30, 2011, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 82 km from the middle of the area, began a volume at 08:28 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 8.4 hours before the alert went out and 79 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3374 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
306 WWUS85 KRIW 300825 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 225 AM MDT TUE AUG 30 2011 ...EXTREME FIRE WEATHER CONDITIONS THIS AFTERNOON AND EARLY EVENING FOR PORTIONS OF CENTRAL WYOMING... .A VERY WARM DAY WILL COMBINE WITH GUSTY SOUTHWEST WINDS AND VERY LOW MINIMUM RELATIVE HUMIDITIES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EARLY EVENING. WYZ283-300930- /O.CAN.KRIW.FW.A.0003.110830T1900Z-110831T0200Z/ UPPER WIND RIVER BASIN/WIND RIVER BASIN- 225 AM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 283... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE FIRE WEATHER WATCH. ALTHOUGH MINIMUM RELATIVE HUMIDITIES WILL FALL BELOW 15 PERCENT...FREQUENT WIND GUSTS OF 25 MPH OR GREATER ARE NO LONGER ANTICIPATED. $$ WYZ280-302200- /O.UPG.KRIW.FW.A.0003.110830T1900Z-110831T0200Z/ /O.NEW.KRIW.FW.W.0006.110830T1800Z-110831T0200Z/ NATRONA COUNTY/CASPER BLM- 225 AM MDT TUE AUG 30 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 280... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 280. * WINDS...SOUTHWEST TO WEST WINDS AROUND 15 MPH WITH GUSTS OF 25 TO 30 MPH. * RELATIVE HUMIDITY...12 TO 15 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WYZ286-302200- /O.NEW.KRIW.FW.W.0006.110830T1800Z-110831T0200Z/ ABSAROKA MOUNTAINS/NORTH SHOSHONE NF- 225 AM MDT TUE AUG 30 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 286... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 286. * WINDS...SOUTHWEST TO WEST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH. * RELATIVE HUMIDITY...12 TO 15 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. 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. && $$ WYZ288-302200- /O.NEW.KRIW.FW.W.0006.110830T1800Z-110831T0200Z/ EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- 225 AM MDT TUE AUG 30 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 288... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 288. * WINDS...SOUTHWEST TO WEST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH. * RELATIVE HUMIDITY...12 TO 15 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ WYZ285-302200- /O.NEW.KRIW.FW.W.0006.110830T1800Z-110831T0200Z/ SOUTH BIGHORN MOUNTAINS- 225 AM MDT TUE AUG 30 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 285. * WINDS...SOUTHWEST TO WEST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH. * RELATIVE HUMIDITY...11 TO 15 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. 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. && $$ HTTP://WEATHER.GOV/RIVERTON
2 follow-up statements
242 WWUS85 KRIW 302047 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 247 PM MDT TUE AUG 30 2011 ...EXTREME FIRE WEATHER CONDITIONS THIS AFTERNOON AND EARLY EVENING FOR PORTIONS OF CENTRAL WYOMING AND FOR MUCH OF CENTRAL AND SOUTHWEST WYOMING WEDNESDAY AFTERNOON AND EVENING... .A VERY WARM DAY WILL COMBINE WITH GUSTY SOUTHWEST WINDS AND VERY LOW MINIMUM RELATIVE HUMIDITIES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS THROUGH EARLY THIS EVENING IN PORTIONS OF CENTRAL WYOMING. ON WEDNESDAY...AN APPROACHING COLD FRONT AND STRENGTHENING PRESSURE GRADIENT WILL CREATE WINDY TO VERY WINDY CONDITIONS ACROSS MUCH OF THE AREA AND THIS COMBINED WITH WARM TO HOT TEMPERATURES AND LOW RELATIVE HUMIDITIES WILL POTENTIALLY CREATE WIDESPREAD RED FLAG CONDITIONS WEDNESDAY AFTERNOON AND EARLY EVENING. WYZ286-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ /O.CON.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ ABSAROKA MOUNTAINS/NORTH SHOSHONE NF- 247 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 286... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 286... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 286. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH THROUGH EARLY THIS EVENING WITH EVEN STRONGER WINDS ON WEDNESDAY WITH GUSTS TO 45 MPH EXPECTED. * RELATIVE HUMIDITY...13 TO 15 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. EXTREME FIRE WEATHER CONDITIONS MAY DEVELOP AGAIN WEDNESDAY. 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ288-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ /O.CON.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- 247 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 288... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 288... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 288. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH THROUGH EARLY THIS EVENING WITH EVEN STRONGER WINDS ON WEDNESDAY WITH GUSTS OF 45 MPH EXPECTED. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. EXTREME FIRE WEATHER CONDITIONS MAY DEVELOP AGAIN WEDNESDAY. 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ285-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ /O.CON.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ SOUTH BIGHORN MOUNTAINS- 247 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 285. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. EVEN STRONGER WINDS ARE EXPECTED ON WEDNESDAY WITH GUSTS TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. EXTREME FIRE WEATHER CONDITIONS MAY DEVELOP AGAIN WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ280-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ /O.CON.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ NATRONA COUNTY/CASPER BLM- 247 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 280... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 280... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 280. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. EVEN STRONGER WINDS ARE EXPECTED ON WEDNESDAY WITH GUSTS TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. EXTREME FIRE WEATHER CONDITIONS MAY DEVELOP AGAIN WEDNESDAY. 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ275-276-282-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 275...276 AND 282... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 275...276 AND 282. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. A COLD FRONT WILL APPROACH THE FAR NORTHERN ZONES EARLY IN THE EVENING POSSIBLY SWITCHING WINDS TO THE NORTH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ287-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ OWL CREEK MOUNTAINS- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 287... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 287. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ281-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ JOHNSON COUNTY/CASPER BLM- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 281... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 281. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ300-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ CASPER MOUNTAIN- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 300... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 300. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ283-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ UPPER WIND RIVER BASIN/WIND RIVER BASIN- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 283... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 283. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ289-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 289. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ279-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 279... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 279. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ277-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 277... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 277. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ278-310200- /O.NEW.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- 247 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 278... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 278. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ SKRBAC HTTP://WEATHER.GOV/RIVERTON
642 WWUS85 KRIW 310156 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 756 PM MDT TUE AUG 30 2011 ...EXTREME FIRE WEATHER CONDITIONS POSSIBLE FOR MUCH OF CENTRAL AND SOUTHWEST WYOMING WEDNESDAY AFTERNOON AND EVENING... .AN APPROACHING COLD FRONT AND STRENGTHENING PRESSURE GRADIENT WEDNESDAY WILL CREATE WINDY TO VERY WINDY CONDITIONS ACROSS MUCH OF THE AREA AND THIS COMBINED WITH WARM TO HOT TEMPERATURES AND LOW RELATIVE HUMIDITIES WILL POTENTIALLY CREATE WIDESPREAD RED FLAG CONDITIONS WEDNESDAY AFTERNOON AND EARLY EVENING. WYZ286-311000- /O.EXP.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ ABSAROKA MOUNTAINS/NORTH SHOSHONE NF- 756 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT FOR FIRE WEATHER ZONE 286... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 286... THE RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 286. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH POSSIBLE WEDNESDAY AFTERNOON AND EVENING. * RELATIVE HUMIDITY...13 TO 15 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ288-311000- /O.EXP.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- 756 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 288... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 288... THE RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 288. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH POSSIBLE WEDNESDAY AFTERNOON AND EVENING. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ285-311000- /O.EXP.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ SOUTH BIGHORN MOUNTAINS- 756 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285... THE RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 285. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH POSSIBLE WEDNESDAY AFTERNOON AND EVENING. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ280-311000- /O.EXP.KRIW.FW.W.0006.000000T0000Z-110831T0200Z/ /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ NATRONA COUNTY/CASPER BLM- 756 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 280... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 280... THE RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 280. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 45 MPH ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ275-276-282-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 275...276 AND 282... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 275...276 AND 282. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. A COLD FRONT WILL APPROACH THE FAR NORTHERN ZONES EARLY IN THE EVENING POSSIBLY SWITCHING WINDS TO THE NORTH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ287-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ OWL CREEK MOUNTAINS- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 287... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 287. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ281-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ JOHNSON COUNTY/CASPER BLM- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 281... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 281. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ300-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ CASPER MOUNTAIN- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 300... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 300. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ283-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ UPPER WIND RIVER BASIN/WIND RIVER BASIN- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 283... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 283. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ289-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 289. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ279-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 279... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 279. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ277-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 277... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 277. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ278-311000- /O.CON.KRIW.FW.A.0004.110831T1800Z-110901T0200Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- 756 PM MDT TUE AUG 30 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 278... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 278. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...EXTREME FIRE WEATHER CONDITIONS ARE POSSIBLE WEDNESDAY AFTERNOON AND EVENING. ANY FIRES HAVE A HIGH POTENTIAL TO EXHIBIT EXTREME BEHAVIOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ HTTP://WEATHER.GOV/RIVERTON
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this red flag warning went out at Aug 29, 2:55 PM MDT, 11 hours 30 minutes earlier.
Area forecast discussion, Aug 29, 2:55 PM MDT, 11 hours 30 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 255 PM MDT MON AUG 29 2011 SHORT TERM...TONIGHT THROUGH THURSDAY SHORTWAVE MOVING ACROSS WESTERN MONTANA WITH MID TO UPPER LEVEL SPEED MAX ROTATING ACROSS SOUTHERN MONTANA. SURFACE DEW POINTS HAVE HELD UP ACROSS MUCH OF THE AREA AS EXPECTED WITH 40S TO LOWER 40S COMMON. ENOUGH CAPE TO FIRE A FEW STRONGER STORMS INTO THE EVENING HOURS. AIRMASS DRIES OUT IN THE WESTERLY FLOW TOMORROW AND WARMS UP WITH POTENTIAL CRITICAL FIRE WEATHER CONCERNS IN PORTIONS OF CENTRAL WYOMING...ESPECIALLY FROM LANDER AND RIVERTON EAST TO NATRONA COUNTY. WINDS ARE RH'S ARE MARGINAL BUT CALCULATED NUMBERS GIVE MIN RH'S AROUND 14 PERCENT WITH SW WINDS OF 15-20 MPH WITH GUSTS OF 25 TO 30 MPH. COMBINE THAT WITH ONGOING FIRES AND ITS ENOUGH FOR A WATCH AT LEAST. RESIDUAL MOISTURE AND MAX HEATING MAY BE ENOUGH TO FIRE A FEW MAINLY MOUNTAIN STORMS AND OFF THE UINTAS. EVEN DRIER AIR MAY FILTER IN WEDNESDAY AHEAD OF OUR APPROACHING THURSDAY TROUGH. POTENTIAL FOR MORE WIDESPREAD RED FLAG CONDITIONS MAY DEVELOP ON WEDNESDAY. HOWEVER...WE DO SEE SOME INCREASE IN MID LEVEL MOISTURE ALREADY SNEAKING UP FROM THE SOUTH TUESDAY NIGHT AND WEDNESDAY MORNING WITH A FEW SHOWERS DEVELOPING. ENOUGH MOISTURE AND INSTABILITY WILL LIKELY REMAIN INTO WEDNESDAY AFTERNOON FOR SOME HIGHER BASED ISOLATED THUNDERSTORMS TO ADD TO THE FIRE WEATHER CONCERNS. OUR FIRST POTENTIAL COLD TROUGH THEN MOVES IN THURSDAY WITH AN INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE NORTH FIRST AND THEN SPREADING SOUTHEAST ALONG THE SHARP COLD FRONT. NEW ECMWF IS WEAKER WITH THE LOW SIMILAR TO OLDER GFS RUNS SO WE'LL HAVE TO WATCH THIS CLOSELY. A LOT OF THE PROBLEM IS WITH THE SHORTWAVE BEHIND THIS ONE AND WHETHER IT HELPS TO DEEPEN IT OR JUST KICK IT OUT QUICKER. FIRE WEATHER CONCERNS WILL CONTINUE IN THE SOUTH AHEAD OF THIS COLD FRONT THURSDAY. SHARPLY COOLER CONDITIONS ARE EXPECTED BEHIND THIS COLD FRONT WITH THE FIRST HINT OF SNOW POSSIBLE JUST BEYOND THIS PERIOD IN THE NORTHWEST AND NORTHERN MOUNTAINS. LONG TERM...THURSDAY NIGHT THROUGH MONDAY THURSDAY NIGHT AND FRIDAY WILL CONTINUE TO SEE THE EFFECTS OF A LARGE PACIFIC TROUGH WITH WINDY CONDITIONS ACROSS THE CWA AND SHOWERS AND THUNDERSTORMS IN THE NORTH...PARTICULARLY IN THE NORTHWEST MOUNTAINS AND THE BIGHORNS. 12Z ECMWF IS MORE PROGRESSIVE WITH THIS FEATURE BUT HAVE LEFT POPS IN THROUGH FRIDAY MORNING FOR THE BIGHORNS. A LIGHT DUSTING OF SNOW IS NOT OUT OF THE QUESTION FOR THE HIGHEST ELEVATIONS OF NORTHERN WYOMING. DRIER CONDITIONS FOLLOW WITH NORTHWEST FLOW RESUMING. A MORE RELAXED PRESSURE GRADIENT WILL ALLOW FOR LIGHTER WIND BY SATURDAY. MEDIUM RANGE MODELS IN GOOD AGREEMENT BUILDING A LARGE RIDGE OVER THE WESTERN CONUS ON SUNDAY BRINGING ABOUT A WARMING TREND AND CONTINUED DRY CONDITIONS. RIDGE BUILDING ALLOWS FOR MONSOON MOISTURE TO INCH ITS WAY BACK TOWARD THE AREA MONDAY. CONFIDENCE IS LOW THIS FAR OUT ON BRINGING THE MOISTURE INTO SOUTHERN WYOMING IN TIME FOR MAXIMUM HEATING MONDAY WILL WILL TAKE A WAIT AND SEE STANCE ON CONVECTIVE POTENTIAL FOR MONDAY UNTIL FURTHER MODEL RUNS CAN BE MONITORED. AVIATION... VFR CONDITIONS CAN BE EXPECTED THROUGH THE FORECAST PERIOD FOR MOST OF WESTERN AND CENTRAL WYOMING. OCCASIONAL PERIODS OF MVFR VSBY IS POSSIBLE IN AREAS OF ISOLATED SHOWERS AND THUNDERSTORMS THROUGH 06Z. BREEZY TO WINDY CONDITIONS WILL DEVELOP AFTER 18Z TUESDAY ALONG THE KRKS TO KCPR CORRIDOR. 20 TO 30 KT WIND WILL BE POSSIBLE ALONG THE RIDGETOPS OF WESTERN WYOMING AND IN THE AREA OF KJAC AND KAFO. FIRE WEATHER... FIRE WEATHER CONCERNS WILL BE ON THE INCREASE THE NEXT COUPLE DAYS AS A WARMER...DRIER AND BREEZY TO WINDY PATTERN DEVELOPS. THE HIGHEST POTENTIAL FOR EXTREME FIRE WEATHER CONDITIONS WILL BE OVER FIRE ZONES 280 AND 283 TUESDAY AFTERNOON AND EARLY EVENING WHEN TEMPERATURES AROUND 90 COMBINE WITH MIN RH'S AS LOW AS 12-15 PERCENT AND SOUTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. MORE WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE ON WEDNESDAY IN MANY AREAS AND ACROSS THE SOUTHERN ZONES ON THURSDAY AHEAD OF A SHARP COLD FRONT. && .RIW WATCHES/WARNINGS/ADVISORIES... FIRE WEATHER WATCH FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING WYZ280-283. && SHORT TERM...SKRBAC LONG TERM...BERC AVIATION...BERC FIRE WEATHER...SKRBAC
Hazardous weather outlook, Aug 29, 2:16 PM MDT, 12 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 216 PM MDT MON AUG 29 2011 WYZ001>020-022>030-301200- ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST- BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS- EAST SWEETWATER COUNTY-FLAMING GORGE- GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS- NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN- NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS- ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES- SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN- SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY- TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN- UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN- WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST- YELLOWSTONE NATIONAL PARK- 216 PM MDT MON AUG 29 2011 ...FIRE WEATHER WATCHES ARE IN EFFECT FROM 1 PM TO 8 PM TUESDAY FOR FIRE ZONES 280 AND 283... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS WESTERN AND CENTRAL WYOMING...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS. THE STRONGEST STORMS ARE EXPECTED TO OCCUR ACROSS NORTHERN WYOMING. HAIL...STRONG WINDS...AND DANGEROUS CLOUD TO GROUND LIGHTNING WILL BE THE MAIN HAZARDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ELEVATED FIRE WEATHER BEHAVIOR IS POSSIBLE TUESDAY AND WEDNESDAY... DUE TO VERY WARM TEMPERATURES...LOW RELATIVE HUMIDITY AND WINDY CONDITIONS. EXTREME FIRE WEATHER BEHAVIOR COULD EVEN OCCUR THURSDAY OVER SOUTHWEST AND SOUTHERN SECTIONS...AS A MAINLY DRY COLD FRONT MOVES ACROSS THAT AREA. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER. TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 6:13 PM MDT | Special Weather Statement | RIW | Johnson | 47 min |
| Aug 29, 6:39 PM MDT | Special Weather Statement | RIW | Washakie | 51 min |
| Aug 29, 7:36 PM MDT | Special Weather Statement | RIW | Johnson | 39 min |
| Aug 30, 2:47 PM MDT | Fire Weather Watch | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more | 12 hr |
| Aug 30, 3:42 PM MDT | Special Weather Statement | RIW | Fremont | 48 min |
| Aug 30, 4:43 PM MDT | Special Weather Statement | RIW | Fremont | 32 min |
| Aug 30, 5:28 PM MDT | Special Weather Statement | RIW | Fremont | 32 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.