149
WWUS85 KRIW 180749
RFWRIW
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
149 AM MDT TUE SEP 18 2018
WYZ280-285-300-182200-
/O.UPG.KRIW.FW.A.0010.180918T1800Z-180919T0200Z/
/O.EXB.KRIW.FW.W.0019.180918T1800Z-180919T0200Z/
NATRONA COUNTY/CASPER BLM-SOUTH BIGHORN MOUNTAINS-CASPER MOUNTAIN-
149 AM MDT TUE SEP 18 2018
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR AND NEW FIRE STARTS.
* AFFECTED AREA:
IN CENTRAL WY...FIRE WEATHER ZONES 280...285 AND 300.
* COUNTIES AFFECTED:
IN CENTRAL WY...FREMONT...NATRONA.
IN NORTH CENTRAL WY...HOT SPRINGS...JOHNSON...WASHAKIE.
* WIND: SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* HUMIDITY: AS LOW AS 11 PERCENT.
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.
WYZ415-182200-
/O.EXB.KRIW.FW.W.0019.000000T0000Z-180920T0200Z/
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
149 AM MDT TUE SEP 18 2018
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT WEDNESDAY
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT UNTIL 8 PM MDT WEDNESDAY.
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR AND NEW FIRE STARTS.
* DISCUSSION: THESE CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE
THROUGH WEDNESDAY, WITH CRITICAL RH VALUES AND WEST-SOUTHWEST
WINDS WITH GUSTS UP TO 25 MPH.
* AFFECTED AREA:
IN NORTHWEST WY...FIRE WEATHER ZONE 415.
* COUNTIES AFFECTED:
IN CENTRAL WY...FREMONT.
IN NORTH CENTRAL WY...PARK...TETON.
* WIND: SOUTH 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.
* HUMIDITY: AS LOW AS 12 PERCENT.
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.
WYZ283-182200-
/O.UPG.KRIW.FW.A.0010.180918T1800Z-180919T0200Z/
/O.EXA.KRIW.FW.W.0019.000000T0000Z-180919T0200Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
149 AM MDT TUE SEP 18 2018
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT UNTIL 8 PM MDT THIS EVENING. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR AND NEW FIRE STARTS.
* AFFECTED AREA:
IN CENTRAL WY...FIRE WEATHER ZONE 283.
* COUNTIES AFFECTED:
IN CENTRAL WY...FREMONT.
* WIND: SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* HUMIDITY: AS LOW AS 9 PERCENT.
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.
WYZ278-414-416-182200-
/O.EXT.KRIW.FW.W.0019.000000T0000Z-180920T0200Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
149 AM MDT TUE SEP 18 2018
..RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT WEDNESDAY
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR AND NEW FIRE STARTS.
* DISCUSSION: THESE CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE
THROUGH WEDNESDAY, WITH CRITICAL RH VALUES AND WEST- SOUTHWEST
WINDS WITH GUSTS UP TO 30 MPH.
* AFFECTED AREA:
IN WEST CENTRAL WY...FIRE WEATHER ZONES 278...414 AND 416.
* COUNTIES AFFECTED:
IN CENTRAL WY...FREMONT.
IN SOUTHWEST WY...SWEETWATER.
IN WEST CENTRAL WY...LINCOLN...SUBLETTE.
* WIND: SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.
* HUMIDITY: AS LOW AS 9 PERCENT.
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.
WYZ277-279-182200-
/O.EXT.KRIW.FW.W.0019.000000T0000Z-180920T0200Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
149 AM MDT TUE SEP 18 2018
..RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT WEDNESDAY
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR AND NEW FIRE STARTS.
* DISCUSSION: THESE CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE
THROUGH WEDNESDAY, WITH CRITICAL RH VALUES AND WEST- SOUTHWEST
WINDS WITH GUSTS UP TO 40 MPH.
* AFFECTED AREA:
IN SOUTHWEST WY...FIRE WEATHER ZONES 277 AND 279.
* COUNTIES AFFECTED:
IN SOUTHWEST WY...SWEETWATER...UINTA.
IN WEST CENTRAL WY...LINCOLN.
* WIND: SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.
* HUMIDITY: AS LOW AS 8 PERCENT.
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.
WYZ288-289-182200-
/O.CON.KRIW.FW.W.0019.000000T0000Z-180919T0200Z/
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
149 AM MDT TUE SEP 18 2018
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...
* IMPACTS: LOW HUMIDITIES AND STRONG GUSTY WINDS WILL CREATE
ERRATIC FIRE BEHAVIOR AND NEW FIRE STARTS.
* DISCUSSION: IT IS POSSIBLE THAT THESE CRITICAL FIRE WEATHER
CONDITIONS WILL CONTINUE AROUND SOUTH PASS AND THE WESTERN PART
OF 289 ON WEDNESDAY. A COLD FRONT WILL BE HANGING AROUND THE
NORTHERN PART OF 289 ALONG THE DIVIDE, PROVIDING SOME HIGHER
RELATIVE HUMIDITIES. MORE CRITICAL FIRE WEATHER CONDITIONS WILL
LIKELY ARRIVE BY THURSDAY.
* AFFECTED AREA:
IN CENTRAL WY...FIRE WEATHER ZONES 288 AND 289.
* COUNTIES AFFECTED:
IN CENTRAL WY...FREMONT...NATRONA.
IN SOUTHWEST WY...SWEETWATER.
IN WEST CENTRAL WY...SUBLETTE.
* WIND: SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.
* HUMIDITY: AS LOW AS 10 PERCENT.
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.
HTTP://WEATHER.GOV/RIVERTON
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