790
WWUS85 KSLC 190317
RFWSLC
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
917 PM MDT FRI SEP 18 2020
UTZ478-479-483-484-488-492-493-495>497-190430-
/O.EXP.KSLC.FW.W.0036.000000T0000Z-200919T0300Z/
SALT LAKE DESERT-WASATCH MOUNTAINS-
SOUTHERN ASHLEY NATIONAL FOREST-TAVAPUTS PLATEAU-
MANTI NATIONAL FOREST-CENTRAL UTAH WEST DESERT-
CENTRAL UTAH MOUNTAINS-COLOR COUNTRY WEST DESERT-
COLOR COUNTRY MOUNTAINS-MOJAVE DESERT-
917 PM MDT FRI SEP 18 2020
...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 478...479...483...484...488...
492...493...495...496 AND 497...
WINDS HAVE DECREASED THIS EVENING FOR MUCH OF NORTHERN AND WESTERN
UTAH AND HUMIDITIES WILL TREND HIGHER TONIGHT INTO TOMORROW.
UTZ489-494-498-191200-
/O.CON.KSLC.FW.W.0036.000000T0000Z-200920T0300Z/
SAN RAFAEL SWELL-HENRY MOUNTAINS-GRAND STAIRCASE-
917 PM MDT FRI SEP 18 2020
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489...
494 AND 498...
* AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL...FIRE
WEATHER ZONE 494 HENRY MOUNTAINS AND FIRE WEATHER ZONE 498
GRAND STAIRCASE.
* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS BETWEEN 30 TO
35 MPH.
* RELATIVE HUMIDITY...10 TO 15 PERCENT. POOR HUMIDITY RECOVERY
AT NIGHT.
* IMPACTS...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED. ANY
FIRE STARTS MAY SPREAD RAPIDLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR ARE IMMINENT. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY
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