Red Flag Warning 20, NWS Pocatello, ID

378 
WWUS85 KPIH 271952
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
152 PM MDT FRI JUL 27 2012

IDZ413-280400-
/O.CON.KPIH.FW.W.0020.000000T0000Z-120728T0400Z/
CARIBOU RANGE/CARIBOU NF-
152 PM MDT FRI JUL 27 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR STRONG SUSTAINED WINDS AND LOW HUMIDITY ALONG WITH
LIGHTNING AND GUSTY OUTFLOW WINDS FOR IDAHO FIRE ZONE
413 BELOW 6000 FEET...

* AFFECTED AREA...IN IDAHO...FIRE ZONE 413 CARIBOU 
  RANGE/CARIBOU NF BELOW 6000 FEET.

* TIMING...LOW HUMIDITY...STRONG WINDS...AND WIDELY SCATTERED 
  THUNDERSTORMS WILL DEVELOP LATE THIS MORNING AND PERSIST INTO 
  THE EVENING.

* THUNDERSTORMS...WIDELY SCATTERED THUNDERSTORMS WILL PRODUCE
  LIGHTNING AND GUSTY OUTFLOW WINDS OF UP TO 50 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* SUSTAINED WINDS...10 TO 15 MPH WITH GUSTS TO 25 MPH.

* IMPACTS...DANGEROUS FIRE CONDITIONS ARE LIKELY TODAY. NEW STARTS
  FROM LIGHTNING ARE POSSIBLE. GUSTY WINDS AND LOW HUMIDITY WILL CREATE
  EXTREME FIRE BEHAVIOR.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

IDZ411-476-280400-
/O.CON.KPIH.FW.W.0020.000000T0000Z-120728T0400Z/
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
152 PM MDT FRI JUL 27 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR LIGHTNING AND GUSTY OUTFLOW WINDS FOR IDAHO FIRE
ZONES 411 AND 476 BELOW 6000 FEET...

* AFFECTED AREA...IN IDAHO...FIRE ZONE 411 CENTENNIAL MOUNTAINS 
  AND SNAKE RIVER RANGE/TARGHEE NF BELOW 6000 FEET...FIRE ZONE 
  476 LEMHI AND LOST RIVER RANGE/CHALLIS NF BELOW 6000 FEET.

* TIMING...WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP LATE THIS
  MORNING AND PERSIST INTO THE EVENING. 

* THUNDERSTORMS...WIDELY SCATTERED THUNDERSTORMS WILL PRODUCE
  LIGHTNING ACTIVITY LEVELS OF THREE OR HIGHER. EXPECT GUSTY
  OUTFLOW WINDS OF UP TO 50 MPH.

* IMPACTS...DANGEROUS FIRE CONDITIONS ARE LIKELY TODAY. NEW STARTS
  FROM LIGHTNING STRIKES ARE POSSIBLE. GUSTY OUTFLOW WINDS WILL HELP TO
  SPREAD FIRE QUICKLY.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

MESSICK

$$


HTTP://WEATHER.GOV/POCATELLO

841 
WWUS85 KPIH 280220
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
820 PM MDT FRI JUL 27 2012


IDZ411-413-476-280330-
/O.CAN.KPIH.FW.W.0020.000000T0000Z-120728T0400Z/
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
CARIBOU RANGE/CARIBOU NF-LEMHI AND LOST RIVER RANGE/CHALLIS NF-
820 PM MDT FRI JUL 27 2012

...RED FLAG WARNING IS CANCELLED FOR IDAHO FIRE ZONES 411...413
AND 476.

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS CANCELLED THE RED
FLAG WARNING. 


$$


HTTP://WEATHER.GOV/POCATELLO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
204 AM MDT FRI JUL 27 2012

.DISCUSSION...CONVECTION THIS MORNING CONTINUES AS A RESULT OF
FORCING FROM AN UPPER SHORTWAVE TROUGH TAPPING INTO THE ELEVATED
INSTABILITY. IR/WV SATELLITE IMAGERY THIS MORNING SHOWING EXPANDING
CIRRUS SHIELD ACROSS EASTERN IDAHO ASSOCIATED WITH THE CONVECTION.
THETA-E ADVECTION CONTINUES THROUGH THE MORNING HOURS...THEN
THUNDERSTORM DEVELOPMENT WILL BE DRIVEN MORE BY SFC HEATING AND
OROGRAPHIC LIFT IN THE AFTERNOON/EARLY EVENING. DYNAMICS WEAKEN
LATER TONIGHT AS WE MAINTAIN A SOUTHWESTERLY FLOW ALOFT ACROSS
EASTERN IDAHO THROUGH THE WEEKEND AND MUCH OF NEXT WEEK. GFS/ECMWF
BRING AN UPPER TROUGH ACROSS THE PACIFIC NORTHWEST NEXT THURSDAY
NIGHT/FRIDAY...BUT MODELS ARE NOT PRODUCING ANY QPF THOUGH WINDS
COULD INCREASE THURSDAY AND FRIDAY AFTERNOON. HINSBERGER
&&

.AVIATION...A SHORTWAVE TROUGH MOVING THROUGH THE REGION WILL
PRODUCE SCATTERED SHOWERS AND THUNDERSTORMS. WILL INCLUDE VC AT MOST
TAF SITES. EXPECT CONVECTION TO MOVE AWAY FROM THE MAGIC VALLEY BY
THIS AFTERNOON BUT LINGER OVER THE MOUNTAINS/HIGHLANDS AND UPPER
SNAKE PLAIN INTO THE AFTERNOON.  VALLE
&&

.FIRE WEATHER...UPGRADED TO RED FLAG WARNINGS IN 410/476/411/413 AND
CANCELLED WATCH FOR 477/412. SHOWERS AND THUNDERSTORMS ARE MOVING
ACROSS THE AREA THIS MORNING ASSOCIATED WITH AN UPPER LEVEL
SHORTWAVE. THUNDERSTORM COVERAGE IN 477/412 TODAY DOES NOT LOOK
IMPRESSIVE ENOUGH TO JUSTIFY A WARNING HERE. IN THE OTHER
ZONES...NAM/GFS CERTAINLY POINTS TO WIDELY SCATTERED THUNDERSTORMS.
ALSO...WINDS ARE LOOKING STRONGER THIS AFTERNOON BEHIND THE TROUGH
ESPECIALLY IN ZONE 413. THEREFORE ZONE 413 WILL HAVE A RED FLAG FOR
THUNDERSTORMS...LOW HUMIDITY AND WINDS. NO OTHER FIRE WX ISSUES
ANTICIPATED OVER THE WEEKEND AS ANY THUNDERSTORMS SHOULD BE ISOLATED
AT BEST AND WINDS SHOULD BE MUCH LIGHTER. VALLE
&&

.PIH WATCHES/WARNINGS/ADVISORIES...
RED FLAG WARNING UNTIL 10 PM MDT THIS EVENING IDZ410.

RED FLAG WARNING UNTIL 10 PM MDT THIS EVENING IDZ413.

RED FLAG WARNING UNTIL 10 PM MDT THIS EVENING BELOW 6000 FEET
FOR THE IDZ476.

&&