Red Flag Warning
Issued by NWS Riverton, WY

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WWUS85 KRIW 291532
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
932 AM MDT SAT AUG 29 2015

...CRITICAL FIRE WEATHER PATTERN SETTING UP FOR THE WEEKEND...

.A CRITICAL WEATHER PATTERN IS DEVELOPING THIS WEEKEND AS
SOUTHWEST FLOW INCREASES AHEAD OF AN APPROACHING COLD FRONT. THIS
SOUTHWEST FLOW WILL LEAD TO WIDESPREAD UNSEASONABLY HOT..DRY...
UNSTABLE...AND BREEZY CONDITIONS ACROSS MUCH OF WESTERN AND
CENTRAL WYOMING THIS AFTERNOON AND EVENING. WIND SPEEDS ARE LIKELY
TO BE STRONGER ON SUNDAY...BUT WITH SLIGHTLY HIGHER RELATIVE
HUMIDITIES. HOWEVER...SUNDAY WILL ALSO BRING AN INCREASE IN
THUNDERSTORM ACTIVITY WITH NATURAL FIRE STARTS POSSIBLE.

WYZ414>416-300000-
/O.EXB.KRIW.FW.W.0014.150829T1900Z-150830T0300Z/
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-
932 AM MDT SAT AUG 29 2015

...RED FLAG WARNING IN EFFECT BELOW 8500 FEET FROM 1 PM THIS
AFTERNOON TO 9 PM MDT THIS EVENING FOR GUSTY WIND...LOW
HUMIDITY...WARM TEMPERATURES...HIGH HAINES INDEX...AND DRY
THUNDERSTORMS...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM MDT
THIS EVENING.

* WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.
  GUSTS TO AROUND 40 MPH POSSIBLE LATE THIS AFTERNOON.

* MAXIMUM TEMPERATURES...80 TO 85.

* HUMIDITY...DROPPING TO 15 TO 19 PERCENT.

* THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS.

* HAINES INDEX...6.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED AND CAMPFIRES NEED TO BE OUT
  COLD.

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.

&&

$$

WYZ280-283-289-300-300000-
/O.CON.KRIW.FW.W.0014.150829T1700Z-150831T0300Z/
NATRONA COUNTY/CASPER BLM-UPPER WIND RIVER BASIN/WIND RIVER BASIN-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-CASPER MOUNTAIN-
932 AM MDT SAT AUG 29 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR
GUSTY WIND...LOW HUMIDITY...HIGH HAINES INDEX...HOT
TEMPERATURES...DRY THUNDERSTORMS...AND A SUNDAY DRY COLD FRONT
PASSAGE...

* WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS AROUND 35 MPH. GUSTY
  WINDS WILL DEVELOP SOONER ON SUNDAY AT 20 TO 25 MPH WITH GUSTS
  TO 40 MPH AHEAD OF A COLD FRONT...WHICH WILL PASS AROUND 2100
  SUNDAY NIGHT.

* MAXIMUM TEMPERATURES...SATURDAY 90 TO 95...82 TO 88 MOUNTAINS.
  SUNDAY 87 TO 92...80 TO 86 MOUNTAINS.

* HUMIDITY...7 TO 15 PERCENT...RECOVERING ABOVE 30 PERCENT
  AFTER 2200 TONIGHT AND FALLING BACK TO AROUND 15 PERCENT
  AFTER 1200 ON SUNDAY.

* THUNDERSTORMS...NONE SATURDAY. ISOLATED TO WIDELY SCATTERED DRY
  THUNDERSTORMS ON SUNDAY.

* HAINES INDEX...6 EACH AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED AND CAMPFIRES NEED TO BE OUT
  COLD.

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.

&&

$$

WYZ275-276-281-282-285-287-300000-
/O.CON.KRIW.FW.W.0014.150829T1700Z-150830T0300Z/
NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS-
JOHNSON COUNTY/CASPER BLM-SOUTH BIG HORN BASIN/WORLAND BLM-
SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS-
932 AM MDT SAT AUG 29 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WIND...LOW HUMIDITY...HOT TEMPERATURES...AND A HAINES
INDEX OF 6...

* WIND...BECOMING SOUTHWEST 10 TO 15 MPH WITH OCCASIONAL GUSTS TO
  25 MPH EARLY THIS AFTERNOON IN BASINS AND SHELTERED AREAS.
  ELSEWHERE...WIDESPREAD SOUTHWEST WIND INCREASING TO 15 TO 25 MPH
  WITH GUSTS AROUND 35 MPH AFTER 1500.

* MAXIMUM TEMPERATURES...93 TO 98...86 TO 91 MOUNTAINS.

* HUMIDITY...7 TO 15 PERCENT.

* HAINES INDEX...6

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED AND CAMPFIRES NEED TO BE OUT
  COLD.

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.

&&

$$

WYZ277-279-300000-
/O.CON.KRIW.FW.W.0014.150829T1700Z-150830T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
932 AM MDT SAT AUG 29 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WIND...LOW HUMIDITY...HOT TEMPERATURES...AND A HAINES
INDEX OF 6...

* WIND...SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 35 MPH IN ZONE 277
  AND IN MORE EXPOSED AND WIND PRONE AREAS OF 279. THESE WINDS
  WILL BECOME MORE WIDESPREAD AFTER 1500.

* MAXIMUM TEMPERATURES...83 TO 88.

* HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...6

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED AND CAMPFIRES NEED TO BE OUT
  COLD.

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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