Alert archive / Wyoming / Red Flag Warnings in 2015
Red Flag Warning 13, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Aug 19, 2015, 11:05 PM MDT for 12 counties in Wyoming. It took effect at Aug 20, 2015, 12:00 PM MDT. It was in force for 56 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 19, 2015, 11:05 PM MDT (05:05 UTC)
- In effect from
- Aug 20, 2015, 12:00 PM MDT
- Expired
- Aug 22, 2015, 8:00 PM MDT
- In force
- 56 hr
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY, Uinta County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 35 km from the middle of the area, began a volume at 05:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 12:19 AM MDT | NON-TSTM WND GST 58 | Buffalo, WY | |
| Aug 22, 4:48 AM MDT | NON-TSTM WND GST 58 | Greybull, WY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 5.1 hours before the alert went out and 41 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
- 2591 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
582 WWUS85 KRIW 200505 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1105 PM MDT WED AUG 19 2015 ...WIDESPREAD RED FLAG CONDITIONS EXPECTED FRIDAY... IT WILL BE WARM...DRY AND BREEZY ACROSS SOUTHERN WYOMING THIS AFTERNOON AS WE REACH PEAK HEATING WITH RED FLAG CONDITIONS EXPECTED TO BE MET ACROSS THE SOUTH. CONDITIONS WILL BE MUCH MORE EXTREME AND WIDESPREAD ON FRIDAY AHEAD OF AN APPROACHING STRONG DRY COLD FRONT FRIDAY AFTERNOON AND EVENING. EXPECT RELATIVE HUMIDITIES TO RANGE FROM THE SINGLE DIGITS TO THE UPPER TEENS ACROSS THE FORECAST AREA WITH WINDS GUSTING OVER 40 MPH IN THE AFTERNOON. THERE WILL ALSO BE HIGH HAINES INDICES AND POTENTIAL FOR SOME DRY LIGHTNING ACROSS THE NORTH AHEAD OF THE FRONT. WHEN THE FRONT DOES BLAST THROUGH... THERE WILL BE A SUDDEN WIND SHIFT AND LITTLE TO NO PRECIPITATION. THE FRONT WILL RETREAT BACK UP TO THE DIVIDE FOR SATURDAY AND WILL BE REINFORCED BY A PUSH OF LOW LEVEL MOISTURE AND COOLER TEMPERATURES ...ENDING THE FIRE WEATHER THREAT FOR MOST AREAS BUT WITH RED FLAG CONDITIONS EXPECTED TO CONTINUE ACROSS THE SOUTH. WYZ277-279-201900- /O.UPG.KRIW.FW.A.0004.150821T1800Z-150822T0600Z/ /O.NEW.KRIW.FW.W.0013.150820T1800Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1105 PM MDT WED AUG 19 2015 ...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...HOT TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON THURSDAY TO 8 PM MDT SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...INCREASING FROM THE WEST WITH GUSTS AROUND 25 MPH THIS AFTERNOON. WINDS WILL INCREASE FURTHER FROM THE WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH FRIDAY AFTERNOON...BECOMING NORTH- NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. THE FRONT WILL RETREAT BACK UP TO THE DIVIDE ON SATURDAY WITH WINDS RETURNING FROM THE WEST SATURDAY AFTERNOON AT 20 TO 25 MPH. * HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT TONIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON FRIDAY AROUND NOON. RH RECOVERY WILL BE SLIGHTLY BETTER FRIDAY NIGHT BUT WILL DROP RAPIDLY BELOW 10 PERCENT SATURDAY AFTER NOON. * HIGH TEMPERATURES...80 TO 85 DEGREES * HIGHEST THREAT...WILL BE ON FRIDAY AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND VERY LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287-289-300-201900- /O.UPG.KRIW.FW.A.0004.150821T1800Z-150822T0600Z/ /O.NEW.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 1105 PM MDT WED AUG 19 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...HOT TEMPERATURES...HIGH HAINES INDEX AND A DRY COLD FRONT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH-NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 ON FRIDAY DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-201900- /O.UPG.KRIW.FW.A.0004.150821T1800Z-150822T0600Z/ /O.NEW.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 1105 PM MDT WED AUG 19 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...HOT TEMPERATURES...DRY THUNDERSTORMS...A HIGH HAINES INDEX AND A DRY COLD FRONTAL PASSAGE... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH-NORTHWEST AROUND SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS...SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. * HUMIDITY...10 TO 15 PERCENT * HIGH TEMPERATURES...AROUND 90 DEGREES * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS POSSIBLE ALONG THE MONTANA BORDER IN THE AFTERNOON WITH INCREASING CHANCES OF A WETTING RAIN AFTER SUNSET. STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH WITH STRONGER STORMS. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER AND IN JOHNSON COUNTY WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE FRIDAY AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ415-201900- /O.NEW.KRIW.FW.A.0005.150821T1700Z-150822T0300Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- 1105 PM MDT WED AUG 19 2015 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR STRONG WIND...LOW HUMIDITY AND A DRY COLD FRONT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 415. * WIND...SOUTHWEST 15 TO 25 MPH AFTER NOON ON FRIDAY WITH GUSTS TO 40 MPH BECOMING NORTHWEST AFTER SUNSET. * HUMIDITY...AROUND 15 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
11 follow-up statements
355 WWUS85 KRIW 201557 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 957 AM MDT THU AUG 20 2015 ...WIDESPREAD RED FLAG CONDITIONS EXPECTED FRIDAY... IT WILL BE WARM...DRY AND BREEZY ACROSS SOUTHERN WYOMING THIS AFTERNOON AS WE REACH PEAK HEATING WITH RED FLAG CONDITIONS EXPECTED TO BE MET ACROSS THE SOUTH. CONDITIONS WILL BE MUCH MORE EXTREME AND WIDESPREAD ON FRIDAY AHEAD OF AN APPROACHING STRONG DRY COLD FRONT FRIDAY AFTERNOON AND EVENING. EXPECT RELATIVE HUMIDITIES TO RANGE FROM THE SINGLE DIGITS TO THE UPPER TEENS ACROSS THE FORECAST AREA WITH WINDS GUSTING OVER 40 MPH IN THE AFTERNOON. THERE WILL ALSO BE HIGH HAINES INDICES AND POTENTIAL FOR SOME DRY LIGHTNING ACROSS THE NORTH AHEAD OF THE FRONT. WHEN THE FRONT DOES BLAST THROUGH... THERE WILL BE A SUDDEN WIND SHIFT AND LITTLE TO NO PRECIPITATION. ALTHOUGH THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES...ENDING THE FIRE WEATHER THREAT FOR MOST AREAS... ENHANCED FIRE WEATHER BEHAVIOR ARE EXPECTED TO CONTINUE ACROSS THE SOUTH WITH LOW RELATIVE HUMIDITIES. WYZ288-210000- /O.EXA.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- 957 AM MDT THU AUG 20 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 288... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT. * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH-NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 ON FRIDAY DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ277-279-210000- /O.CON.KRIW.FW.W.0013.150820T1800Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 957 AM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...INCREASING FROM THE WEST WITH GUSTS AROUND 25 MPH THIS AFTERNOON. WINDS WILL INCREASE FURTHER FROM THE WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH FRIDAY AFTERNOON...BECOMING NORTH- NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. WINDS ON SATURDAY WILL REMAIN GUSTY AT 20 TO 25 MPH FROM THE WEST. * HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT TONIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON FRIDAY AROUND NOON. RH RECOVERY WILL BE SLIGHTLY BETTER FRIDAY NIGHT BUT WILL DROP RAPIDLY BELOW 10 PERCENT SATURDAY AFTER NOON. * HIGH TEMPERATURES...80 TO 85 DEGREES * HIGHEST THREAT...WILL BE ON FRIDAY AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND VERY LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287-289-300-210000- /O.CON.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 957 AM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 280...283...285...287...289 AND 300... * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH-NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 ON FRIDAY DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-210000- /O.CON.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 957 AM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 275...276...281 AND 282... * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH-NORTHWEST AROUND SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS... SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. * HUMIDITY...10 TO 15 PERCENT * HIGH TEMPERATURES...AROUND 90 DEGREES * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS POSSIBLE ALONG THE MONTANA BORDER IN THE AFTERNOON WITH INCREASING CHANCES OF A WETTING RAIN AFTER SUNSET. STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH WITH STRONGER STORMS. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER AND IN JOHNSON COUNTY WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE FRIDAY AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ415-210000- /O.CON.KRIW.FW.A.0005.150821T1700Z-150822T0300Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- 957 AM MDT THU AUG 20 2015 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 415... * AFFECTED AREA...FIRE WEATHER ZONE 415. * WIND...SOUTHWEST 15 TO 25 MPH AFTER NOON ON FRIDAY WITH GUSTS TO 40 MPH BECOMING NORTHWEST AFTER SUNSET. * HUMIDITY...AROUND 15 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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. && $$
444 WWUS85 KRIW 201959 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 159 PM MDT THU AUG 20 2015 ...WIDESPREAD RED FLAG CONDITIONS EXPECTED FRIDAY... IT WILL BE WARM...DRY AND BREEZY ACROSS SOUTHERN WYOMING THIS AFTERNOON AS WE REACH PEAK HEATING WITH RED FLAG CONDITIONS EXPECTED TO BE MET ACROSS THE SOUTH. CONDITIONS WILL BE MUCH MORE EXTREME AND WIDESPREAD ON FRIDAY AHEAD OF AN APPROACHING STRONG DRY COLD FRONT LATE FRIDAY AFTERNOON AND EVENING. EXPECT RELATIVE HUMIDITIES TO RANGE FROM THE SINGLE DIGITS TO THE UPPER TEENS ACROSS THE FORECAST AREA WITH WINDS GUSTING OVER 40 MPH IN THE AFTERNOON. THERE WILL ALSO BE HIGH HAINES INDICES AND POTENTIAL FOR SOME DRY LIGHTNING ACROSS THE NORTH AHEAD OF THE FRONT. WHEN THE FRONT DOES BLAST THROUGH... THERE WILL BE A SUDDEN WIND SHIFT AND LITTLE TO NO PRECIPITATION. ALTHOUGH THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES...ENDING THE FIRE WEATHER THREAT FOR MOST AREAS... ENHANCED FIRE WEATHER BEHAVIOR IS EXPECTED TO CONTINUE ACROSS THE SOUTH WITH LOW RELATIVE HUMIDITIES. WYZ277-279-210400- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 159 PM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...INCREASING FROM THE WEST WITH GUSTS AROUND 25 MPH THIS AFTERNOON. WINDS WILL INCREASE FURTHER FROM THE WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH FRIDAY AFTERNOON...BECOMING NORTH- NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. WINDS ON SATURDAY WILL REMAIN GUSTY AT 20 TO 25 MPH FROM THE WEST-NORTHWEST. * HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT TONIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON FRIDAY AROUND NOON. RH RECOVERY WILL BE SLIGHTLY BETTER FRIDAY NIGHT BUT WILL DROP RAPIDLY BETWEEN 10 AND 15 PERCENT SATURDAY AFTER NOON. * HIGH TEMPERATURES...80 TO 85 DEGREES * HIGHEST THREAT...WILL BE ON FRIDAY AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND VERY LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287>289-300-210400- /O.CON.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 159 PM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 280...283...285...287...288...289 AND 300... * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH-NORTHWEST AFTER SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 ON FRIDAY DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-210400- /O.CON.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 159 PM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 275...276...281 AND 282... * WIND...WEST-SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH BECOMING NORTH- NORTHWEST AROUND SUNSET WITH SIMILAR WIND SPEEDS EXPECTED ALONG AND BEHIND THE FRONT FOR A FEW HOURS. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. * HUMIDITY...10 TO 15 PERCENT * HIGH TEMPERATURES...AROUND 90 DEGREES * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS POSSIBLE ALONG THE MONTANA BORDER IN THE AFTERNOON WITH INCREASING CHANCES OF A WETTING RAIN AFTER SUNSET. STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH WITH STRONGER STORMS. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER AND IN JOHNSON COUNTY WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE LATE FRIDAY AFTERNOON AND NIGHT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ415-210400- /O.CON.KRIW.FW.A.0005.150821T1700Z-150822T0300Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- 159 PM MDT THU AUG 20 2015 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 415... * AFFECTED AREA...FIRE WEATHER ZONE 415. * WIND...SOUTHWEST 15 TO 25 MPH AFTER NOON ON FRIDAY WITH GUSTS TO 40 MPH BECOMING NORTHWEST AFTER SUNSET. * HUMIDITY...AROUND 20 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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. && $$
928 WWUS85 KRIW 210017 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 617 PM MDT THU AUG 20 2015 ...WIDESPREAD RED FLAG CONDITIONS FRIDAY AND CONTINUING ACROSS THE SOUTHWEST ON SATURDAY... RED FLAG CONDITIONS WILL CONTINUE THIS EVENING OVER SOUTHWEST WYOMING...BUT A MORE EXTREME AND WIDESPREAD RED FLAG EVENT WILL DEVELOP FRIDAY AHEAD OF A STRONG...DRY COLD FRONT PUSHING ACROSS THE REGION LATE FRIDAY AFTERNOON INTO FRIDAY NIGHT. EXPECT RELATIVE HUMIDITIES TO RANGE FROM THE SINGLE DIGITS TO THE UPPER TEENS...WITH WINDS GUSTING OVER 40 MPH FRIDAY AFTERNOON AND EVENING. THERE WILL ALSO BE HIGH HAINES INDICES AND POTENTIAL FOR SOME DRY LIGHTNING ACROSS THE NORTH AHEAD OF THE FRONT. WHEN THE FRONT DOES BLAST THROUGH...THERE WILL BE A SUDDEN WIND SHIFT AND LITTLE TO NO PRECIPITATION. THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES SATURDAY...ENDING EXTREME FIRE WEATHER CONDITIONS SATURDAY ACROSS THE NORTH AND CENTRAL AREAS. HOWEVER EXTREME FIRE WEATHER CONDITONS WILL CONTINUE ACROSS THE SOUTHWEST WITH BREEZY WESTERLY WINDS AND VERY LOW HUMIDITY. WYZ414-211045- /O.EXB.KRIW.FW.W.0013.150821T1700Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 617 PM MDT THU AUG 20 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 414... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO 8 PM MDT SATURDAY. * WIND...WEST TO SOUTHWEST 15 TO 25 MPH FRIDAY AFTERNOON WITH GUSTS TO 40 MPH...BECOMING MORE NORTHWEST AFTER SUNSET. WINDS ON SATURDAY WILL REMAIN GUSTY AT 20 TO 30 MPH FROM THE WEST AND NORTHWEST. * HUMIDITY...15 TO 20 PERCENT. * HIGHEST THREAT...WILL BE ON FRIDAY AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ415-211045- /O.UPG.KRIW.FW.A.0005.150821T1700Z-150822T0300Z/ /O.EXA.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- 617 PM MDT THU AUG 20 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES... A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 415... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...SOUTHWEST 15 TO 25 MPH FRIDAY AFTERNOON...WITH GUSTS TO 40 MPH BECOMING NORTHWEST AFTER SUNSET. * HUMIDITY...15 TO 20 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ416-211045- /O.EXA.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF- 617 PM MDT THU AUG 20 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES... A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 416... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT. * WIND...SOUTHWEST 15 TO 25 MPH FRIDAY AFTERNOON...WITH GUSTS TO 40 MPH BECOMING NORTHWEST AFTER SUNSET. * HUMIDITY...15 TO 20 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ277-279-211045- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 617 PM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST WINDS WILL DECREASE LATER THIS EVENING...BUT WILL INCREASE SIGNIFICANTLY AGAIN LATE FRIDAY MORNING. WEST TO SOUTHWEST WIND BETWEEN 20 AND 30 MPH GUSTING OVER 40 MPH WILL OCCUR FRIDAY AFTERNOON...BECOMING WEST TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT FRIDAY EVENING. BREEZY WESTERLY WINDS WILL REMAIN ACROSS THE AREA SATURDAY. * HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT THURSDAY NIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON FRIDAY BY AROUND NOON. RH RECOVERY WILL BE SLIGHTLY BETTER FRIDAY NIGHT BUT WILL DROP RAPIDLY BETWEEN 10 AND 15 PERCENT SATURDAY AFTERNOON. * HIGH TEMPERATURES SATURDAY...80 TO 85 DEGREES * HIGHEST THREAT...WILL BE ON FRIDAY AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND VERY LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287>289-300-211045- /O.CON.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 617 PM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 280...283...285...287...288...289 AND 300... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH FRIDAY AFTERNOON AND EVENING...BECOMING NORTH TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT PUSHING ACROSS THE FIRE DISTRICTS BETWEEN 9 PM AND 3 AM FRIDAY NIGHT. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 ON FRIDAY DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-211045- /O.CON.KRIW.FW.W.0013.150821T1700Z-150822T0600Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 617 PM MDT THU AUG 20 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 275...276...281 AND 282... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH FRIDAY AFTERNOON...BECOMING NORTH TO NORTHWEST WITH SIMILAR WINDS SPEEDS IN WAKE OF A MAINLY DRY COLD FRONT FRIDAY EVENING. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. * HUMIDITY...10 TO 15 PERCENT * HIGH TEMPERATURES...AROUND 90 DEGREES * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS POSSIBLE ALONG THE MONTANA BORDER FRIDAY AFTERNOON WITH ONLY A VERY SLIGHT CHANCE OF A WETTING RAIN FRIDAY NIGHT IN WAKE OF THE COLD FRONT FRIDAY EVENING. ANY STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER AND IN JOHNSON COUNTY WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE LATE FRIDAY AFTERNOON AND NIGHT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ TEAM RIVERTON/21
647 WWUS85 KRIW 210724 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 124 AM MDT FRI AUG 21 2015 ...WIDESPREAD RED FLAG CONDITIONS TODAY WITH FOCUS SHIFTING TO THE SOUTHWEST ON SATURDAY... A STRONG DRY COLD FRONT WILL PUSH ACROSS THE REGION TONIGHT... EXTENDED THE TIMES OF SOME RED FLAG WARNINGS TO COVER THE WIND SHIFT WITH THE DRY COLD FRONT...RELATIVE HUMIDITIES WILL BE HIGHER BUT THE SUDDEN WIND SHIFT WILL STILL BE HAZARDOUS TO ANY EXISTING FIRES AT THE TIME OF THE FRONTAL PASSAGE. DURING THE DAY TODAY...EXPECT RELATIVE HUMIDITIES TO RANGE FROM THE SINGLE DIGITS TO THE UPPER TEENS AHEAD OF THE FRONT...WITH WINDS GUSTING OVER 40 MPH THIS AFTERNOON AND EVENING. THERE WILL ALSO BE A HAINES INDEX OF 5 OR 6 ACROSS THE AREA AND SOME POTENTIAL FOR DRY LIGHTNING ACROSS THE FAR NORTH AHEAD OF THE FRONT. WHEN THE FRONT DOES BLAST THROUGH...THERE WILL BE A SUDDEN WIND SHIFT AND LITTLE TO NO PRECIPITATION. THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES SATURDAY...ENDING EXTREME FIRE WEATHER CONDITIONS ACROSS THE NORTH AND CENTRAL AREAS. HOWEVER EXTREME FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS THE SOUTHWEST WITH BREEZY WESTERLY WINDS AND VERY LOW HUMIDITY. WYZ280-283-285-287>289-300-211900- /O.EXT.KRIW.FW.W.0013.150821T1700Z-150822T1200Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 124 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 6 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES... A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 280...283...285...287...288...289 AND 300... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH THIS AFTERNOON AND EVENING...BECOMING NORTH TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT PUSHING ACROSS THE AREA TONIGHT. EXPECT THE FRONT TO GET TO THE OWL CREEKS AROUND MIDNIGHT AND WORK ITS WAY TO THE DIVIDE BY SUNRISE. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...ESPECIALLY THROUGH THE OWL CREEKS AND IN NORTHERN FREMONT COUNTY WHERE 50 MPH WIND GUSTS WILL BE POSSIBLE. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 ON THIS DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-211900- /O.EXT.KRIW.FW.W.0013.150821T1700Z-150822T0900Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 124 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 3 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES... A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 275...276...281 AND 282... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH THIS AFTERNOON...BECOMING NORTH TO NORTHWEST WITH SIMILAR WINDS SPEEDS IN WAKE OF A MAINLY DRY COLD FRONT THIS EVENING. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. EXPECT THE WIND SHIFT WITH THE FRONT TO GET TO THE NORTHERN BIGHORN BASIN AND NORTHERN JOHNSON COUNTY AROUND 2100 AND TO THE OWL CREEKS A LITTLE AFTER MIDNIGHT. * HUMIDITY...10 TO 15 PERCENT * HIGH TEMPERATURES...AROUND 90 DEGREES * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS POSSIBLE ALONG THE MONTANA BORDER THIS AFTERNOON WITH ONLY A VERY SLIGHT CHANCE OF A WETTING RAIN TONIGHT IN WAKE OF THE COLD FRONT THIS EVENING. ANY STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE LATE THIS AFTERNOON AND TONIGHT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ415-416-211900- /O.EXT.KRIW.FW.W.0013.150821T1700Z-150822T0900Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF- 124 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 3 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES... A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 416... * WIND...SOUTHWEST 20 TO 25 MPH THIS AFTERNOON... WITH GUSTS TO 45 MPH BECOMING NORTHWEST WITH THE ARRIVAL OF A DRY COLD FRONT AROUND MIDNIGHT. WINDS COULD GUST OVER 55 MPH OVER HIGHER EXPOSED TERRAIN. * HUMIDITY...AROUND 15 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ277-279-211900- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 124 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST WINDS WILL INCREASE SIGNIFICANTLY AGAIN LATE THIS MORNING. WEST TO SOUTHWEST WIND BETWEEN 20 AND 30 MPH GUSTING OVER 40 MPH WILL OCCUR THIS AFTERNOON...BECOMING WEST TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT THAT SHOULD MOVE THROUGH AROUND MIDNIGHT. BREEZY WESTERLY WINDS WILL REMAIN ACROSS THE AREA SATURDAY. * HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT TONIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON SATURDAY BY AROUND NOON. * HIGH TEMPERATURES SATURDAY...80 TO 85 DEGREES * HIGHEST THREAT...WILL BE THIS AFTERNOON IN SWEETWATER COUNTY AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND VERY LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ414-211900- /O.CON.KRIW.FW.W.0013.150821T1700Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 124 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 414... * WIND...WEST TO SOUTHWEST 15 TO 25 MPH THIS AFTERNOON WITH GUSTS TO 40 MPH...BECOMING MORE NORTHWEST AFTER SUNSET. WINDS ON SATURDAY WILL REMAIN GUSTY AT 20 TO 30 MPH FROM THE WEST AND NORTHWEST. * HUMIDITY...AROUND 15 PERCENT. * HIGHEST THREAT...WILL BE ON THIS AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$
595 WWUS85 KRIW 211739 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1139 AM MDT FRI AUG 21 2015 ...WIDESPREAD RED FLAG CONDITIONS TODAY WITH FOCUS SHIFTING TO THE SOUTHWEST ON SATURDAY... A STRONG DRY COLD FRONT WILL PUSH ACROSS THE REGION TONIGHT... EXTENDED THE TIMES OF SOME RED FLAG WARNINGS TO COVER THE WIND SHIFT WITH THE DRY COLD FRONT...RELATIVE HUMIDITIES WILL BE HIGHER BUT THE SUDDEN WIND SHIFT WILL STILL BE HAZARDOUS TO ANY EXISTING FIRES AT THE TIME OF THE FRONTAL PASSAGE. DURING THE DAY TODAY...EXPECT RELATIVE HUMIDITIES TO RANGE FROM THE SINGLE DIGITS TO THE UPPER TEENS AHEAD OF THE FRONT...WITH WINDS GUSTING OVER 40 MPH THIS AFTERNOON AND EVENING. THERE WILL ALSO BE A HAINES INDEX OF 5 OR 6 ACROSS THE AREA AND SOME POTENTIAL FOR DRY LIGHTNING ACROSS THE FAR NORTH AHEAD OF THE FRONT. WHEN THE FRONT DOES BLAST THROUGH...THERE WILL BE A SUDDEN WIND SHIFT AND LITTLE TO NO PRECIPITATION. THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES SATURDAY...ENDING EXTREME FIRE WEATHER CONDITIONS ACROSS THE NORTH AND CENTRAL AREAS. HOWEVER EXTREME FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS THE SOUTHWEST WITH BREEZY WESTERLY WINDS AND VERY LOW HUMIDITY. WYZ277-279-220200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1139 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST WINDS WILL INCREASE SIGNIFICANTLY AGAIN LATE THIS MORNING. WEST TO SOUTHWEST WIND BETWEEN 20 AND 30 MPH GUSTING OVER 40 MPH WILL OCCUR THIS AFTERNOON...BECOMING WEST TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT THAT SHOULD MOVE THROUGH AROUND MIDNIGHT. BREEZY WESTERLY WINDS WILL REMAIN ACROSS THE AREA SATURDAY. * HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT TONIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON SATURDAY BY AROUND NOON. * HIGH TEMPERATURES SATURDAY...80 TO 85 DEGREES * HIGHEST THREAT...WILL BE THIS AFTERNOON IN SWEETWATER COUNTY AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND VERY LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287>289-300-220200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T1200Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 1139 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 280...283...285...287... 288...289 AND 300... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH THIS AFTERNOON AND EVENING...BECOMING NORTH TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT PUSHING ACROSS THE AREA TONIGHT. EXPECT THE FRONT TO GET TO THE OWL CREEKS AROUND MIDNIGHT AND WORK ITS WAY TO THE DIVIDE BY SUNRISE. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT... ESPECIALLY THROUGH THE OWL CREEKS AND IN NORTHERN FREMONT COUNTY WHERE 50 MPH WIND GUSTS WILL BE POSSIBLE. * HUMIDITY...7 TO 15 PERCENT * HIGH TEMPERATURES...85 TO 90 DEGREES * HIGHEST THREAT...EASTERN FREMONT AND NATRONA COUNTY AFTER 1500 DURING PEAK HEATING WHERE RELATIVE HUMIDITY WILL BE LOWEST AND WINDS THE STRONGEST...THERE WILL ALSO BE A HAINES INDEX OF 6. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-220200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T0900Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 1139 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 275...276...281 AND 282... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH THIS AFTERNOON...BECOMING NORTH TO NORTHWEST WITH SIMILAR WINDS SPEEDS IN WAKE OF A MAINLY DRY COLD FRONT THIS EVENING. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. EXPECT THE WIND SHIFT WITH THE FRONT TO GET TO THE NORTHERN BIGHORN BASIN AND NORTHERN JOHNSON COUNTY AROUND 2100 AND TO THE OWL CREEKS A LITTLE AFTER MIDNIGHT. * HUMIDITY...10 TO 15 PERCENT * HIGH TEMPERATURES...AROUND 90 DEGREES * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS POSSIBLE ALONG THE MONTANA BORDER THIS AFTERNOON WITH ONLY A VERY SLIGHT CHANCE OF A WETTING RAIN TONIGHT IN WAKE OF THE COLD FRONT THIS EVENING. ANY STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE LATE THIS AFTERNOON AND TONIGHT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ415-416-220200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T0900Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF- 1139 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 415 AND 416... * WIND...SOUTHWEST 20 TO 25 MPH THIS AFTERNOON... WITH GUSTS TO 45 MPH BECOMING NORTHWEST WITH THE ARRIVAL OF A DRY COLD FRONT AROUND MIDNIGHT. WINDS COULD GUST OVER 55 MPH OVER HIGHER EXPOSED TERRAIN. * HUMIDITY...AROUND 15 PERCENT * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ414-220200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 1139 AM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 414... * WIND...WEST TO SOUTHWEST 15 TO 25 MPH THIS AFTERNOON WITH GUSTS TO 40 MPH...BECOMING MORE NORTHWEST AFTER SUNSET. WINDS ON SATURDAY WILL REMAIN GUSTY AT 20 TO 30 MPH FROM THE WEST AND NORTHWEST. * HUMIDITY...AROUND 15 PERCENT. * HIGHEST THREAT...WILL BE THIS AFTERNOON AS STRONG WINDS ALIGN WITH A HAINES INDEX OF 6 AND LOW RELATIVE HUMIDITY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$
647 WWUS85 KRIW 220109 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 709 PM MDT FRI AUG 21 2015 ...WIDESPREAD RED FLAG CONDITIONS THIS EVENING WITH FOCUS SHIFTING TO THE SOUTHWEST ON SATURDAY... WE HAVE MOVED PAST PEAK HEATING AND ARE MOVING INTO THE EVENING HOURS. WIND SPEEDS WILL REMAIN ELEVATED AHEAD OF THE DRY COLD FRONT...THAT IS JUST MOVING INTO CENTRAL MONTANA AS OF 1800...WHICH WOULD STILL PUT IT INTO NORTHWEST WYOMING AT AROUND 2100 AND INTO THE NORTHERN BIGHORN BASIN SHORTLY THEREAFTER...AND WELL INTO CENTRAL WYOMING BY 0300. EXPECT WINDS TO INCREASE RAPIDLY FROM THE NORTHWEST BEHIND THE FRONT IN NORTHERN WYOMING TONIGHT. RELATIVE HUMIDITIES WILL BE HIGHER BUT THE SUDDEN WIND SHIFT WILL STILL BE HAZARDOUS TO ANY EXISTING FIRES AT THE TIME OF THE FRONTAL PASSAGE. THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES SATURDAY...ENDING EXTREME FIRE WEATHER CONDITIONS ACROSS THE NORTH AND CENTRAL AREAS. HOWEVER HIGH FIRE DANGER WILL RETURN ACROSS THE SOUTHWEST WITH BREEZY WESTERLY WINDS AND VERY LOW HUMIDITY IN THE AFTERNOON. WYZ277-279-220915- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 709 PM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST TO SOUTHWEST WIND 20 TO 30 MPH GUSTING OVER 40 MPH WILL CONTINUE THIS EVENING...BECOMING WEST TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT THAT SHOULD MOVE THROUGH AROUND MIDNIGHT. BREEZY WESTERLY WINDS WILL REMAIN ACROSS THE AREA SATURDAY WITH WINDS AROUND 15 TO 20 MPH GUSTING UP TO 30 MPH. * HUMIDITY...RECOVERING ABOVE 40 PERCENT IN MOST LOCATIONS AFTER MIDNIGHT TONIGHT WITH RH RECOVERY AT AROUND 30 PERCENT AT MID SLOPE. RH WILL DROP BELOW 15 PERCENT AGAIN ON SATURDAY BY AROUND NOON AND WILL BOTTOM OUT AROUND 10 PERCENT. * HIGH TEMPERATURES SATURDAY...80 TO 85 DEGREES * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287>289-300-220915- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T1200Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 709 PM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 280...283... 285...287... 288...289 AND 300... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH THROUGH THE EVENING...BECOMING NORTH TO NORTHWEST WITH SIMILAR WIND SPEEDS IN WAKE OF A DRY COLD FRONT PUSHING ACROSS THE AREA TONIGHT. EXPECT THE FRONT TO GET TO THE OWL CREEKS A LITTLE AFTER MIDNIGHT AND WORK ITS WAY TO THE DIVIDE BY SUNRISE. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT... ESPECIALLY THROUGH THE OWL CREEKS AND IN NORTHERN FREMONT COUNTY WHERE 50 MPH WIND GUSTS WILL BE POSSIBLE. * HUMIDITY...RECOVERING ABOVE 15 PERCENT AROUND 2100 * HIGHEST THREAT...WILL BE THROUGH SUNSET AND THEN WHEN THE FRONT MOVES THROUGH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-281-282-220900- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T0900Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 709 PM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 275...276... 281 AND 282... * WIND...WEST TO SOUTHWEST 20 TO 30 MPH GUSTING OVER 40 MPH... BECOMING NORTH TO NORTHWEST WITH SIMILAR WINDS SPEEDS IN WAKE OF A DRY COLD FRONT THIS EVENING. SOME LOCATIONS COULD SEE STRONGER WINDS WITH THE FRONT...LIKE THE NORTHERN BIGHORN BASIN AND THE BUFFALO AREA. EXPECT THE WIND SHIFT WITH THE FRONT TO GET TO THE NORTHERN BIGHORN BASIN AND NORTHERN JOHNSON COUNTY AROUND 2100 AND TO THE OWL CREEKS A LITTLE AFTER MIDNIGHT. * HUMIDITY...RECOVERING ABOVE 15 PERCENT AROUND 2000 * THUNDERSTORMS...ISOLATED DRY THUNDERSTORMS MOVING INTO YELLOWSTONE COULD DEVELOP OVER THE ABSAROKAS AS WELL...WITH A FEW STORMS POSSIBLE IN THE FOOTHILLS AND ALONG THE MONTANA BORDER THIS EVENING. ANY STORMS WILL BE CAPABLE OF VERY STRONG TO DAMAGING DOWNBURST WINDS WITH WINDS IN EXCESS OF 55 MPH. * HIGHEST THREAT...WILL BE NEAR THE MONTANA BORDER WHERE STRONG DOWNBURST WINDS AND DRY LIGHTNING WILL BE POSSIBLE THIS EVENING. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ415-416-220900- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T0900Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF- 709 PM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 415 AND 416 BELOW 8500 FEET ELEVATION... * WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS TO 45 MPH BECOMING NORTHWEST WITH THE ARRIVAL OF A DRY COLD FRONT AROUND MIDNIGHT. WINDS COULD GUST OVER 55 MPH OVER HIGHER EXPOSED TERRAIN. * HUMIDITY...RECOVERING ABOVE 15 PERCENT AROUND 2000 * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ414-220915- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 709 PM MDT FRI AUG 21 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SATURDAY FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 414 BELOW 8500 FEET ELEVATION... * WIND...WEST TO SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH...BECOMING MORE NORTHWEST AFTER SUNSET. WINDS ON SATURDAY WILL REMAIN GUSTY AT 20 TO 30 MPH FROM THE WEST AND NORTHWEST. * HUMIDITY...RECOVERING TO 40 PERCENT IN ALL AREAS AROUND MIDNIGHT AND THEN DROPPING BACK TO AROUND 15 PERCENT AFTER 1100 SATURDAY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$
664 WWUS85 KRIW 220908 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 308 AM MDT SAT AUG 22 2015 ...WIDESPREAD RED FLAG CONDITIONS THIS EVENING WITH FOCUS SHIFTING TO THE SOUTHWEST ON SATURDAY... WE HAVE MOVED PAST PEAK HEATING AND ARE MOVING INTO THE EVENING HOURS. WIND SPEEDS WILL REMAIN ELEVATED AHEAD OF THE DRY COLD FRONT...THAT IS JUST MOVING INTO CENTRAL MONTANA AS OF 1800... WHICH WOULD STILL PUT IT INTO NORTHWEST WYOMING AT AROUND 2100 AND INTO THE NORTHERN BIGHORN BASIN SHORTLY THEREAFTER...AND WELL INTO CENTRAL WYOMING BY 0300. EXPECT WINDS TO INCREASE RAPIDLY FROM THE NORTHWEST BEHIND THE FRONT IN NORTHERN WYOMING TONIGHT. RELATIVE HUMIDITIES WILL BE HIGHER BUT THE SUDDEN WIND SHIFT WILL STILL BE HAZARDOUS TO ANY EXISTING FIRES AT THE TIME OF THE FRONTAL PASSAGE. THE FRONT WILL BRING LOW LEVEL MOISTURE AND COOLER TEMPERATURES SATURDAY...ENDING EXTREME FIRE WEATHER CONDITIONS ACROSS THE NORTH AND CENTRAL AREAS. HOWEVER HIGH FIRE DANGER WILL RETURN ACROSS THE SOUTHWEST WITH BREEZY WESTERLY WINDS AND VERY LOW HUMIDITY IN THE AFTERNOON. WYZ275-276-281-282-221015- /O.EXP.KRIW.FW.W.0013.000000T0000Z-150822T0900Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM- 308 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING WILL EXPIRE AT 3 AM MDT THIS MORNING FOR FIRE WEATHER ZONES 275... 276... 281 AND 282... A COLD FRONT PUSHED THROUGH THE AREA EARLIER THIS MORNING. WINDS ARE EXPECTED TO GRADUALLY DIMINISH THROUGH THE MORNING AND TEMPERATURES WILL BE MUCH COOLER TODAY. $$ WYZ415-416-221015- /O.EXP.KRIW.FW.W.0013.000000T0000Z-150822T0900Z/ NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF- 308 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING WILL EXPIRE AT 3 AM MDT THIS MORNING FOR FIRE WEATHER ZONES 415 AND 416 BELOW 8500 FEET ELEVATION... COOLER TEMPERATURES AND DIMINISHING WINDS WILL FOLLOW A COLD FRONTAL PASSAGE THIS MORNING. $$ WYZ277-279-221715- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 308 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST 15 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON...SHIFTING TO THE NORTHEAST 10 TO 20 MPH ACROSS NORTH AND EAST ZONE 277 EARLY EVENING. * HUMIDITY...NEAR 10 PERCENT IN THE AFTERNOON. * HIGH TEMPERATURES...80 TO 85 DEGREES * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287>289-300-221200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T1200Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 308 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING FOR STRONG FRONTAL PASSAGE FOR FIRE WEATHER ZONES 280...283... 285...287... 288...289 AND 300... * WIND...COLD FRONTAL PASSAGE EARLY THIS MORNING WITH NORTH WIND 20 TO 30 MPH GUSTING TO 40 MPH. WINDS GRADUALLY DIMINISHING AFTER 6 AM. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY SOUTHWARD WITH THE COLD FRONTAL PASSAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ414-221715- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 308 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 414 BELOW 8500 FEET ELEVATION... * WIND...WEST TO NORTHWEST 20 TO 30 MPH AND GUSTY. * HUMIDITY...AROUND 15 PERCENT IN THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$
411 WWUS85 KRIW 221037 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 437 AM MDT SAT AUG 22 2015 ...VERY DRY AND WINDY CONDITIONS ACROSS THE SOUTHWEST TODAY... .A COLD FRONT WILL BRING GUSTY NORTH WIND ACROSS CENTRAL WYOMING EARLY THIS MORNING WITH WINDS GRADUALLY DIMINISHING MID TO LATE MORNING. FIRE DANGER WILL REMAIN HIGH ACROSS THE SOUTHWEST THIS AFTERNOON WITH VERY LOW RELATIVE HUMIDITY AND GUSTY WEST WIND. WYZ277-279-221845- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 437 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST 15 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON... SHIFTING TO THE NORTHEAST 10 TO 20 MPH ACROSS NORTH AND EAST ZONE 277 EARLY EVENING. * HUMIDITY...NEAR 10 PERCENT IN THE AFTERNOON. * HIGH TEMPERATURES...80 TO 85 DEGREES * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287>289-300-221200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150822T1200Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 437 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING FOR STRONG FRONTAL PASSAGE FOR FIRE WEATHER ZONES 280... 283... 285...287... 288...289 AND 300... * WIND...COLD FRONTAL PASSAGE EARLY THIS MORNING WITH NORTH WIND 20 TO 30 MPH GUSTING TO 40 MPH. WINDS GRADUALLY DIMINISHING AFTER 6 AM. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY SOUTHWARD WITH THE COLD FRONTAL PASSAGE. 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 EXTREME FIRE BEHAVIOR. && $$ WYZ414-221845- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 437 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR STRONG WIND...LOW HUMIDITY...WARM TEMPERATURES...A HIGH HAINES INDEX AND A DRY COLD FRONT FOR FIRE WEATHER ZONE 414 BELOW 8500 FEET ELEVATION... * WIND...WEST TO NORTHWEST 20 TO 30 MPH AND GUSTY. * HUMIDITY...AROUND 15 PERCENT IN THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$
579 WWUS85 KRIW 221159 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 559 AM MDT SAT AUG 22 2015 ...HIGH FIRE DANGER REMAINS ACROSS SOUTHWEST WYOMING TODAY... .FIRE DANGER WILL REMAIN HIGH ACROSS THE SOUTHWEST THIS AFTERNOON WITH VERY LOW RELATIVE HUMIDITY AND GUSTY WEST WIND. A COLD FRONT WILL PUSH ACROSS THE AREA THIS EVENING WITH WINDS SHIFTING TO THE EAST TO NORTHEAST...USHERING IN HIGHER RELATIVE HUMIDITY. WYZ280-283-285-287>289-300-221300- /O.EXP.KRIW.FW.W.0013.000000T0000Z-150822T1200Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 559 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING FOR STRONG FRONTAL PASSAGE FOR FIRE WEATHER ZONES 280... 283... 285...287... 288...289 AND 300... A COLD FRONT HAS PUSHED ACROSS THE AREA THIS MORNING BRINGING IN COOLER TEMPERATURES AND HIGHER RELATIVE HUMIDITY. GUSTY NORTH WIND WILL GRADUALLY DIMINISH THROUGH THE MORNING. $$ WYZ277-279-230200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 559 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WIND AND VERY LOW RELATIVE HUMIDITY...FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST 15 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON. FRONTAL PASSAGE SHIFTING WIND TO THE NORTHEAST 10 TO 20 MPH ACROSS NORTH AND EAST PORTIONS OF ZONE 279 EARLY EVENING. * HUMIDITY...NEAR 10 PERCENT IN THE AFTERNOON. * HIGH TEMPERATURES...77 TO 82 DEGREES * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. && $$ WYZ414-230200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 559 AM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR VERY LOW HUMIDITY AND GUSTY WIND FOR FIRE WEATHER ZONE 414 BELOW 8500 FEET ELEVATION... * WIND...WEST TO NORTHWEST 20 TO 30 MPH AND GUSTY. * HUMIDITY...AROUND 15 PERCENT IN THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$
982 WWUS85 KRIW 221806 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1206 PM MDT SAT AUG 22 2015 ...HIGH FIRE DANGER REMAINS ACROSS SOUTHWEST WYOMING TODAY... .FIRE DANGER WILL REMAIN HIGH ACROSS THE SOUTHWEST THIS AFTERNOON WITH VERY LOW RELATIVE HUMIDITY AND GUSTY WEST WIND. A COLD FRONT WILL PUSH ACROSS THE AREA THIS EVENING WITH WINDS SHIFTING TO THE EAST TO NORTHEAST...USHERING IN HIGHER RELATIVE HUMIDITY. WYZ414-221915- /O.CAN.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF- 1206 PM MDT SAT AUG 22 2015 ...RED FLAG WARNING IS CANCELLED FOR VERY LOW HUMIDITY AND GUSTY WIND FOR FIRE WEATHER ZONE 414 BELOW 8500 FEET ELEVATION... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE RED FLAG WARNING. THE RELATIVE HUMIDITY HAS RECOVERED BEHIND THE TROUGH THAT TRACKED ACROSS THE AREA OVERNIGHT. AS A RESULT...FIRE DANGER HAS DECREASED. THUS THE RED FLAG WARNING HAS BEEN CANCELLED. $$ WYZ277-279-230200- /O.CON.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1206 PM MDT SAT AUG 22 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WIND AND VERY LOW RELATIVE HUMIDITY...FOR FIRE WEATHER ZONES 277 AND 279... * WIND...WEST 15 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON. FRONTAL PASSAGE SHIFTING WIND TO THE NORTHEAST 10 TO 20 MPH ACROSS NORTH AND EAST PORTIONS OF ZONE 279 EARLY EVENING. * HUMIDITY...10 TO 15 PERCENT IN THE AFTERNOON. * HIGH TEMPERATURES...77 TO 82 DEGREES * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 EXTREME FIRE BEHAVIOR. && $$
374 WWUS85 KRIW 230151 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 751 PM MDT SAT AUG 22 2015 WYZ277-279-230300- /O.EXP.KRIW.FW.W.0013.000000T0000Z-150823T0200Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 751 PM MDT SAT AUG 22 2015 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FIRE WEATHER ZONES 277 AND 279... THE WIND SPEEDS HAVE COME DOWN AND THE RELATIVE HUMIDITY IS RISING AS EVENING CONTINUES. THEREFORE...RED FLAG CONDITIONS ARE NOT EXPECTED AFTER 800 PM. THUS THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 800 PM MDT. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 11:05 PM MDT | Fire Weather Watch | RIW | Fremont, Lincoln, Park, Sublette, Teton | 19 hr |
Nearby
Red Flag Warnings in Wyoming, 2015Every red flag warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.