Red Flag Warning
Issued by NWS Riverton, WY

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WWUS85 KRIW 022038
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
238 PM MDT WED SEP 2 2015

...ELEVATED TO EXTREME FIRE DANGER CONTINUE THROUGH THURSDAY...

.HOT DRY AND WINDY AGAIN TODAY. STRONG UPPER LEVEL SOUTHWEST FLOW
WILL CONTINUE ACROSS THE STATE TODAY AS A TROUGH APPROACHES FROM
THE WEST...RESULTING IN WIDESPREAD LOW HUMIDITY AND RELATIVELY STRONG
WIND. A FEW SHOWERS MAY BE PRESENT OVER THE WESTERN MOUNTAINS
LATER TONIGHT INTO THURSDAY MORNING. THURSDAY WILL SEE CONTINUED
HOT...DRY AND WINDY CONDITIONS ESPECIALLY ACROSS THE CENTRAL
BASINS...WITH A RETURN OF WIDELY SCATTERED TO SCATTERED SHOWERS
AND THUNDERSTORMS SOUTH...ISOLATED NORTH. FIRE DANGER WILL
DECREASE FROM SOUTH TO NORTH BEGINNING LATER THURSDAY AFTERNOON.

WYZ275>277-279>283-285-287-289-300-414>416-031000-
/O.CON.KRIW.FW.W.0016.000000T0000Z-150904T0300Z/
NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
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-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
238 PM MDT WED SEP 2 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY FOR
GUSTY WINDS...LOW HUMIDITY...HOT TEMPERATURES...AND HIGH HAINES
INDEX...

* AFFECTED AREA...FIRE WEATHER ZONE 275. FIRE WEATHER ZONE 276.
  FIRE WEATHER ZONE 277. FIRE WEATHER ZONE 279. FIRE WEATHER
  ZONE 280. FIRE WEATHER ZONE 281. FIRE WEATHER ZONE 282. FIRE
  WEATHER ZONE 283. FIRE WEATHER ZONE 285. FIRE WEATHER ZONE
  287. FIRE WEATHER ZONE 289. FIRE WEATHER ZONE 300. FIRE
  WEATHER ZONE 414. FIRE WEATHER ZONE 415. FIRE WEATHER ZONE
  416.

* WIND...SOUTHWEST WIND 15 TO 25 MPH WITH GUSTS TO 35 MPH TODAY
  AND THURSDAY. STRONGER GUSTS POSSIBLE IN THUNDERSTORMS COULD
  SEND OUT STRONG OUTFLOW WINDS ON THURSDAY.

* HUMIDITY...LOW TO MID TEENS DURING THE AFTERNOONS. SOME OF
  THE LOWER BASINS EAST OF THE DIVIDE COULD SEE MINIMUM
  RELATIVE HUMIDITIES IN THE SINGLE DIGITS. POOR RELATIVE
  HUMIDITY RECOVERY AT MID SLOPE OVERNIGHT.

* LIGHTNING...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS POSSIBLE
  THURSDAY AFTERNOON AND EVENING...MAINLY EAST OF AN EVANSTON TO
  KAYCEE LINE.

* 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.

&&

$$



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