Alert archive / Wyoming / Red Flag Warnings in 2016
Red Flag Warning 27, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Aug 31, 2016, 8:32 PM MDT for 12 counties in Wyoming. It took effect at Sep 1, 2016, 12:00 PM MDT. It was in force for 32 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 31, 2016, 8:32 PM MDT (02:32 UTC)
- In effect from
- Sep 1, 2016, 12:00 PM MDT
- Expired
- Sep 2, 2016, 8:25 PM MDT
- In force
- 32 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 02:32 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, 2.5 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
- 4087 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
087 WWUS85 KRIW 010232 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 832 PM MDT WED AUG 31 2016 ...RED FLAG WARNING FOR THE SOUTHWEST CORNER OF WYOMING...FROM 12 PM THURSDAY TO 10 PM FRIDAY... ...FIRE WEATHER WATCH FOR MUCH OF CENTRAL...NORTHERN...AND SOUTHERN WYOMING...INCLUDING YELLOWSTONE NATIONAL PARK...FROM 12 PM TO 10 PM FRIDAY... .THE COMBINATION OF WARM TEMPERATURES AND MINIMUM RELATIVE HUMIDITIES FROM 13 TO 15 PERCENT WILL COMBINE WITH A SOUTHWEST WIND OF 10 TO 20 MPH AND GUSTS AROUND 25 MPH TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS THURSDAY AFTERNOON AND EVENING. ISOLATED GUSTY SHOWERS OR THUNDERSTORMS ARE ALSO POSSIBLE. THEN...AHEAD OF AN APPROACHING FRONT ON FRIDAY...WINDS WILL INCREASE OUT OF THE SOUTHWEST ACROSS MOST OF WYOMING...GUSTING 30 TO 45 MPH AT TIMES THROUGH THE AFTERNOON AND EVENING. THESE WINDS WILL COMBINE WITH CONTINUED LOW RELATIVE HUMIDITIES AND MAY PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE FORECAST AREA. WYZ277-011045- /O.UPG.KRIW.FW.A.0019.160901T2000Z-160902T0200Z/ /O.NEW.KRIW.FW.W.0027.160901T1800Z-160903T0400Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 832 PM MDT WED AUG 31 2016 ...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON THURSDAY TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 277. * WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS AROUND 25 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ140-011045- /O.NEW.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK- 832 PM MDT WED AUG 31 2016 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 140. * WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * HUMIDITY...AROUND 15 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ278-279-011045- /O.NEW.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 832 PM MDT WED AUG 31 2016 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 278. FIRE WEATHER ZONE 279. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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. && $$ WYZ280-283-285-287-289-300-011045- /O.NEW.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 832 PM MDT WED AUG 31 2016 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 280. FIRE WEATHER ZONE 283. FIRE WEATHER ZONE 285. FIRE WEATHER ZONE 287. FIRE WEATHER ZONE 289. FIRE WEATHER ZONE 300. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 35 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS ZONES 280...289...AND 300 WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ275-276-282-011045- /O.NEW.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 832 PM MDT WED AUG 31 2016 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 275. FIRE WEATHER ZONE 276. FIRE WEATHER ZONE 282. * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...11 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS THE BIGHORN BASIN WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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. && $$ WYZ281-011045- /O.NEW.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ JOHNSON COUNTY/CASPER BLM- 832 PM MDT WED AUG 31 2016 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 281. * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...12 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
6 follow-up statements
143 WWUS85 KRIW 010656 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1256 AM MDT THU SEP 1 2016 ...RED FLAG WARNING FOR THE SOUTHWEST CORNER OF WYOMING...FROM 12 PM TODAY TO 10 PM FRIDAY... ...FIRE WEATHER WATCH FOR MUCH OF CENTRAL...NORTHERN...AND SOUTHERN WYOMING...INCLUDING YELLOWSTONE NATIONAL PARK...FROM 12 PM TO 10 PM FRIDAY... .THE COMBINATION OF WARM TEMPERATURES AND MINIMUM RELATIVE HUMIDITIES FROM 13 TO 15 PERCENT WILL COMBINE WITH A SOUTHWEST WIND OF 10 TO 20 MPH AND GUSTS AROUND 25 MPH TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING. ISOLATED GUSTY SHOWERS OR THUNDERSTORMS ARE ALSO POSSIBLE. THEN...AHEAD OF AN APPROACHING FRONT ON FRIDAY...WINDS WILL INCREASE OUT OF THE SOUTHWEST ACROSS MOST OF WYOMING...GUSTING 30 TO 45 MPH AT TIMES THROUGH THE AFTERNOON AND EVENING. THESE WINDS WILL COMBINE WITH CONTINUED LOW RELATIVE HUMIDITIES AND MAY PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE FORECAST AREA. WYZ277-012200- /O.CON.KRIW.FW.W.0027.160901T1800Z-160903T0400Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 1256 AM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 277. * WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS AROUND 25 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ140-012200- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK- 1256 AM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 140. * WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * HUMIDITY...AROUND 15 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ278-279-012200- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1256 AM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 278. FIRE WEATHER ZONE 279. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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. && $$ WYZ280-283-285-287-289-300-012200- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 1256 AM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 280. FIRE WEATHER ZONE 283. FIRE WEATHER ZONE 285. FIRE WEATHER ZONE 287. FIRE WEATHER ZONE 289. FIRE WEATHER ZONE 300. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 35 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS ZONES 280... 289...AND 300 WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ275-276-282-012200- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 1256 AM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 275. FIRE WEATHER ZONE 276. FIRE WEATHER ZONE 282. * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...11 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS THE BIGHORN BASINWITH POTENTIAL WIND GUSTS OF 45 MPH. * 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. && $$ WYZ281-012200- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ JOHNSON COUNTY/CASPER BLM- 1256 AM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 281. * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...12 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
020 WWUS85 KRIW 011817 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1217 PM MDT THU SEP 1 2016 ...RED FLAG WARNING FOR THE SOUTHWEST CORNER OF WYOMING...FROM 12 PM TODAY TO 10 PM FRIDAY... ...RED FLAG WARNING FOR MUCH OF CENTRAL AND PARTS OF SOUTHWEST WYOMING FRIDAY FROM NOON TO 10 PM... ...FIRE WEATHER WATCH CONTINUES FOR YELLOWSTONE NATIONAL PARK AND MOST OF SWEETWATER COUNTY FROM 12 PM TO 10 PM FRIDAY... .THE COMBINATION OF WARM TEMPERATURES AND MINIMUM RELATIVE HUMIDITIES FROM 13 TO 15 PERCENT WILL COMBINE WITH A SOUTHWEST WIND OF 10 TO 20 MPH AND GUSTS AROUND 25 MPH TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING. ISOLATED GUSTY SHOWERS OR THUNDERSTORMS ARE ALSO POSSIBLE. THEN...AHEAD OF AN APPROACHING FRONT ON FRIDAY...WINDS WILL INCREASE OUT OF THE SOUTHWEST ACROSS MOST OF WYOMING...GUSTING 30 TO 45 MPH AT TIMES THROUGH THE AFTERNOON AND EVENING. THESE WINDS WILL COMBINE WITH CONTINUED LOW RELATIVE HUMIDITIES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE FORECAST AREA. WYZ280-283-285-287-289-300-021015- /O.UPG.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ /O.EXB.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 1217 PM MDT THU SEP 1 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 35 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS ZONES 280... 289...AND 300 WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-282-021015- /O.UPG.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ /O.EXB.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 1217 PM MDT THU SEP 1 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...11 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS THE BIGHORN BASIN WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ281-021015- /O.UPG.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ /O.EXB.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ JOHNSON COUNTY/CASPER BLM- 1217 PM MDT THU SEP 1 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...12 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ278-021015- /O.UPG.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ /O.EXB.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- 1217 PM MDT THU SEP 1 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ277-021015- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 1217 PM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 277. * WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS AROUND 25 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ140-021015- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK- 1217 PM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 140. * WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * HUMIDITY...AROUND 15 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ WYZ279-021015- /O.CON.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1217 PM MDT THU SEP 1 2016 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS... AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 278. FIRE WEATHER ZONE 279. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...AROUND 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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. && $$ TEAM RIVERTON
590 WWUS85 KRIW 020148 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING FOR THE SOUTHWEST CORNER OF WYOMING CONTINUES UNTIL 10 PM FRIDAY... ...RED FLAG WARNING FOR MUCH OF NORTHERN...CENTRAL...AND SOUTHERN WYOMING FRIDAY FROM NOON TO 10 PM... .THE COMBINATION OF WARM TEMPERATURES AND MINIMUM RELATIVE HUMIDITIES FROM 12 TO 15 PERCENT WILL COMBINE WITH A SOUTHWEST WIND OF 10 TO 20 MPH AND GUSTS AROUND 25 MPH TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS THIS OCCASIONALLY THIS EVENING. ISOLATED GUSTY SHOWERS OR THUNDERSTORMS ARE ALSO POSSIBLE WITH OUTFLOW WIND GUSTS TO 45 MPH. THEN...AHEAD OF AN APPROACHING FRONT ON FRIDAY...WINDS WILL INCREASE OUT OF THE SOUTHWEST ACROSS MOST OF WYOMING...GUSTING 30 TO 45 MPH AT TIMES THROUGH THE AFTERNOON AND EVENING. THESE WINDS WILL COMBINE WITH CONTINUED LOW RELATIVE HUMIDITIES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE FORECAST AREA. WYZ140-021000- /O.UPG.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ /O.EXA.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 140. * WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * HUMIDITY...AROUND 15 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ279-021000- /O.UPG.KRIW.FW.A.0020.160902T1800Z-160903T0400Z/ /O.EXA.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 279. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...AROUND 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ277-021000- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 277. * WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS AROUND 25 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287-289-300-021000- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 35 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS ZONES 280... 289...AND 300 WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-282-021000- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...11 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS THE BIGHORN BASIN WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ281-021000- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ JOHNSON COUNTY/CASPER BLM- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...12 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ278-021000- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- 748 PM MDT THU SEP 1 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
762 WWUS85 KRIW 020642 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING FOR THE SOUTHWEST CORNER OF WYOMING CONTINUES UNTIL 10 PM THIS EVENING... ...RED FLAG WARNING FOR MUCH OF NORTHERN...CENTRAL...AND SOUTHERN WYOMING FROM NOON TODAY UNTIL 10 PM THIS EVENING... .AHEAD OF AN APPROACHING FRONT TODAY...WINDS WILL INCREASE OUT OF THE SOUTHWEST ACROSS MOST OF WYOMING...GUSTING 30 TO 45 MPH AT TIMES THROUGH THE AFTERNOON AND EVENING. THESE WINDS WILL COMBINE WITH CONTINUED LOW RELATIVE HUMIDITIES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE FORECAST AREA. WYZ277-022200- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 277. * WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS AROUND 25 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ140-022200- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 140. * WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * HUMIDITY...AROUND 15 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ279-022200- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 279. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...AROUND 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287-289-300-022200- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 35 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS ZONES 280... 289...AND 300 WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-282-022200- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...11 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS THE BIGHORN BASIN WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ281-022200- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ JOHNSON COUNTY/CASPER BLM- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...12 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ278-022200- /O.CON.KRIW.FW.W.0027.160902T1800Z-160903T0400Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- 1242 AM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
588 WWUS85 KRIW 021819 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING FOR THE SOUTHWEST CORNER OF WYOMING CONTINUES UNTIL 10 PM THIS EVENING... ...RED FLAG WARNING FOR MUCH OF NORTHERN...CENTRAL...AND SOUTHERN WYOMING UNTIL 10 PM THIS EVENING... .AHEAD OF AN APPROACHING FRONT TODAY...WINDS WILL INCREASE OUT OF THE SOUTHWEST ACROSS MOST OF WYOMING...GUSTING 30 TO 45 MPH AT TIMES THROUGH THE EVENING. THESE WINDS WILL COMBINE WITH CONTINUED LOW RELATIVE HUMIDITIES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF THE FORECAST AREA. WYZ277-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 277. * WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS AROUND 25 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ140-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 140. * WIND...SOUTHWEST 15 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ279-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * AFFECTED AREA...FIRE WEATHER ZONE 279. * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...AROUND 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ280-283-285-287-289-300-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN- SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS- GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 35 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS ZONES 280... 289...AND 300 WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ275-276-282-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS- SOUTH BIG HORN BASIN/WORLAND BLM- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...11 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS ACROSS THE BIGHORN BASIN WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ281-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ JOHNSON COUNTY/CASPER BLM- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH. * HUMIDITY...12 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WYZ278-030400- /O.CON.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- 1219 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WINDS...AND CRITICALLY DRY FUELS... * WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH. * HUMIDITY...13 TO 15 PERCENT. * THUNDERSTORMS...ISOLATED THUNDERSTORMS WITH POTENTIAL WIND GUSTS OF 45 MPH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ TEAM RIVERTON
520 WWUS85 KRIW 030225 RFWRIW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 825 PM MDT FRI SEP 2 2016 WYZ140-275>283-285-287-289-300-030330- /O.CAN.KRIW.FW.W.0027.000000T0000Z-160903T0400Z/ YELLOWSTONE NATIONAL PARK-NORTH BIG HORN BASIN/WORLAND BLM- CODY FOOTHILLS-LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS- UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM- SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA- NATRONA COUNTY/CASPER BLM-JOHNSON COUNTY/CASPER BLM- SOUTH BIG HORN BASIN/WORLAND BLM- UPPER WIND RIVER BASIN/WIND RIVER BASIN-SOUTH BIGHORN MOUNTAINS- OWL CREEK MOUNTAINS-GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS- CASPER MOUNTAIN- 825 PM MDT FRI SEP 2 2016 ...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES 140...275...276...277...278...279...280...281... 282...283...285...287...289 AND 300... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE RED FLAG WARNING. THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY WINDS ARE NO LONGER EXPECTED TO MEET WARNING CRITERIA...THEREFORE THE RED FLAG WARNING HAS BEEN CANCELLED. $$ 21
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 31, 2:20 PM MDT, 6 hours 12 minutes earlier.
Area forecast discussion, Aug 31, 2:20 PM MDT, 6 hours 12 minutes before
Area Forecast Discussion National Weather Service Riverton WY 220 PM MDT WED AUG 31 2016 .SHORT TERM...Tonight Through Saturday Weak ripple moving into se Idaho looks like it will clip the nw corner this evening helping with a few showers and gusty thunderstorms. The next one with a little more punch is over nwrn Nevada and this one looks to arrive in the west late tonight into Thursday morning with a few showers. Moisture is drawn nnewd ahead of this feature with increasing mid and even low level moisture in the west overnight into Thursday. With reasonably moist mid levels and daytime heating, most of the soundings around the forecast area are showing some weak instability with cape of a couple hundred or so in many spots. Scattered showers and isold/wdly sct tstms over the west will move east of the divide thru the afternoon and eventually the ern zones by evening. Models vary but it looks like some mid level moisture will linger overnight Thursday which may keep a few showers going around the area. On Friday our front approaches the west and it looks a little faster than yesterday with the leading edge hitting the west in the afternoon. Winds will be increasing across most of the area with critical fire weather conditions quite possible east of the divide and in the south. The west still looks like it will have enough low level moisture around to keep min rh's above 15 percent (more like 20-25 percent). With that said, we'll have to watch YNP as there is some hint of drying behind the front late in the day Friday and if that occurs with the wind, we'll have more critical fire weather conditions. Storms look limited on Friday to mainly the sern corner as the Thu/Thu ngt plume gets shunted se. A weak ripple may lift ne into central Wyo early Saturday with a few light showers for the central and nrn/nern zones. Front will likely hang over the north half through Saturday with a few showers around. Maybe a few storms in the sern corner with the plume/moisture streaming ne out of CO and off the higher terrain down there. Quite warm to hot ahead of this cold front with only the moisture and clouds trying to hold the west down a little Thursday and Friday while east of the divide it continues quite warm to hot until fropa (so cooler Saturday). .LONG TERM...Saturday Night Through Wednesday A disturbance moving through the area will leave fairly widespread showers and thunderstorms across the area on Saturday evening. The bulk of moisture associated with this feature will quickly move to the northeast, leaving cooler temperatures across central and western Wyoming. Another trough will move over the intermountain west by Sunday afternoon leaving a moist southwest flow over the state. Expect showers and thunderstorms to again be present, especially across the northwestern half of the state. This surge of moisture will move through by Monday morning, but another fast developing wave will almost immediately take its place over the intermountain west and into the desert southwest. Southwest flow will consequently continue, though models start to lose agreement with the moisture amounts associated with this continued flow pattern. The ECMWF indicates the opportunity for another round of fairly widespread showers and thunderstorms by Tuesday afternoon, while the GFS keeps dry conditions over the area with a slower movement of the system. Showers have been included with the current forecast package, though confidence in this more aggressive solution is not as strong. Regardless to solution, temperatures will remain cooler than normal through the middle portion of next week. && .AVIATION.../00Z ISSUANCE/ High pressure will keep VFR conditions over area terminals. The ridge axis will slide east through Thursday afternoon...with a developing southwest flow by 12z Thursday. This flow pattern will bring increasing wind over the area, especially after 18z. Additionally, this pattern will bring another round of showers and thunderstorms after 18z Thursday, especially over the central mountains. Some showers may move into adjacent basins, with VCTS included terminals west of a line from KCOD-KRIW-KRKS. && .FIRE WEATHER... ...Fire Weather Watch zone 277 Thursday from 2 to 8 pm... Dry and warm into the evening with isolated showers/storms possible over the west, central and northern mountains...with possible localized outflow gusts to 45 mph with stronger convection. Thursday should generally see an increase in moisture across most of the forecast area, yet still remain quite dry for most lower elevations east of the divide. The southwest corner looks like the best chance for critical fire weather conditions with min rh's around 15 percent and southwest wind increasing to 10 to 20 mph with gusts around 25- 28 mph. Still rather marginal but worth a watch for now. Further north, moisture levels look like they'll rise with our approaching disturbance keeping rh's in the upper teens to mid 20s. East of the divide, it will be very dry but winds will generally be 5 to 15 mph with local gusts 20-25. Right now, Friday looks to have the best overall potential for producing critical fire weather conditions ...mainly east of the divide. && .RIW Watches/Warnings/Advisories... Fire Weather Watch from Thursday afternoon through Thursday evening for WYZ277. && SHORT TERM...PS LONG TERM...Branham AVIATION...Branham FIRE WEATHER...PS
Hazardous weather outlook, Aug 31, 3:20 AM MDT, 17 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 320 AM MDT WED AUG 31 2016 WYZ001>020-022>030-011000- YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS- NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN- SOUTHEAST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE- WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS- GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY- SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- 320 AM MDT WED AUG 31 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT A CHANCE OF ISOLATED AFTERNOON AND EVENING THUNDERSTORMS WEST AND NORTHWEST. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THURSDAY...ISOLATED TO SCATTERED THUNDERSTORMS IN THE WEST. ISOLATED STORMS ELSEWHERE. FRIDAY AND SATURDAY...ISOLATED AFTERNOON AND EVENING THUNDERSTORMS. POSSIBLE CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF CENTRAL AND NORTHERN WYOMING FRIDAY. SUNDAY AND LABOR DAY...ISOLATED TO SCATTERED THUNDERSTORMS OVER THE NORTH AND CENTRAL. A FEW INCHES OF SNOW POSSIBLE OVER THE NORTHERN MOUNTAINS AND HIGHER ELEVATIONS OF YELLOWSTONE NATIONAL PARK SUNDAY NIGHT AND MONDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 8:32 PM MDT | Fire Weather Watch | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more | 23 hr |
| Sep 1, 2:36 PM MDT | Special Weather Statement | RIW | Hot Springs | 24 min |
Nearby
Red Flag Warnings in Wyoming, 2016Every red flag warning in 2016
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.