Red Flag Warning 3, NWS Pocatello, ID

639 
WWUS85 KPIH 222029
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
229 PM MDT MON JUL 22 2013

...RED FLAG WARNING REMAINS IN EFFECT FOR GUSTY WINDS AND LOW
HUMIDITY FOR SOUTHEAST IDAHO FIRE ZONE 425 BELOW 5000 FEET UNTIL
9 PM MDT THIS EVENING...

.LOW HUMIDITY AND GUSTY WINDS WILL CONTINUE UNTIL 9 PM MDT THIS
EVENING. 

IDZ425-230300-
/O.CON.KPIH.FW.W.0003.130722T2100Z-130723T0300Z/
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM-
229 PM MDT MON JUL 22 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 425 BELOW
5000 FEET...

* AFFECTED AREA: SOUTHEAST IDAHO...FIRE ZONE 425...MIDDLE SNAKE
  RIVER VALLEY/TWIN FALLS BLM BELOW 5000 FEET.

* TIMING: UNTIL 9 PM MDT THIS EVENING.

* WIND: SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY: MINIMUM HUMIDITY 4 TO 8 PERCENT.

* IMPACTS: HAINES INDEX OF 5 TO 6 COMBINED WITH GUSTY WINDS AND 
  LOW HUMIDITY CAN CREATE CRITICAL FIRE BEHAVIOR CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE OCCURRING. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE
BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN
THE FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST IDAHO.

&&

$$


HTTP://WEATHER.GOV/POCATELLO

844 
WWUS85 KPIH 230244
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
844 PM MDT MON JUL 22 2013

IDZ425-230345-
/O.EXP.KPIH.FW.W.0003.000000T0000Z-130723T0300Z/
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM-
844 PM MDT MON JUL 22 2013

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 425 BELOW 5000 FEET...

THE RED FLAG WARNING BELOW 5000 FEET WILL EXPIRE AT 9 PM MDT THIS
EVENING. 

WINDS WILL WEAKEN SHORTLY THEREFORE... RED FLAG WARNING WILL BE
ALLOWED TO EXPIRE. 

$$


HTTP://WEATHER.GOV/POCATELLO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
331 AM MDT MON JUL 22 2013

.DISCUSSION...TODAY THROUGH MONDAY. CURRENT WATER VAPOR IMAGERY
SHOWS VERY DRY AIR ACROSS THE AREA IN WEST NORTHWEST FLOW. AN
UPPER LEVEL LOW OVER NORTHERN BRITISH COLUMBIA CURRENTLY HAS AN
WEAK WAVE EXTENDING FROM IT OVER SOUTHERN BRITISH COLUMBIA.
MODELS SHOW THIS WAVE MOVING EAST OVER EXTREME NORTHERN IDAHO AND
NORTHERN MONTANA THIS AFTERNOON TIGHTENING THE PRESSURE GRADIENT
OVER SOUTHEAST IDAHO. LOOK FOR BREEZY TO MODERATE WINDS OVER
SOUTHEAST IDAHO. A LAKE WIND ADVISORY FOR THE AMERICAN FALLS
RESERVOIR HAS BEEN ISSUED FOR THIS AFTERNOON INTO EARLY EVENING.
ADDITIONALLY...A RED FLAG HAS BEEN ISSUED FOR LOW RELATIVE
HUMIDITY AND WINDS FOR FIRE WEATHER ZONE 425. OTHERWISE...LOOK FOR
ABOVE AVERAGE TEMPERATURES AND DRY CONDITIONS TO CONTINUE TODAY
AND TUESDAY. MODELS SHOW WINDS BACKING OFF ON TUESDAY WITH THE
UPPER LEVEL RIDGE STRENGTHENING OVER THE AREA.

LOOK FOR VERY WEAK MONSOONAL MOISTURE TO MOVE BACK INTO THE AREA
WEDNESDAY. EXPECT AFTERNOON TO EARLY EVENING ISOLATED MOUNTAIN
THUNDERSTORMS WEDNESDAY THROUGH SUNDAY. BOTH THE ECMWF AND GFS
MODELS ARE HINTING TOWARD ADDITIONALLY MOISTURE MOVING INTO THE
AREA MONDAY ALLOWING FOR AT LEAST SCATTERED THUNDERSTORMS. WYATT

&&

.AVIATION...WIDESPREAD VFR CONDITIONS. WEST TO SOUTHWEST SURFACE
WINDS OF 10 TO 20 MPH THIS AFTERNOON. RS

&&

.FIRE WEATHER...TODAY AND TUESDAY...PERSISTENT VERY DRY WESTERLY FLOW
PATTERN AFFECTING ALL OF SOUTHEAST IDAHO WITH MOSTLY SINGLE DIGIT
HUMIDITIES IN THE DAY AND VERY POOR RECOVERY ON MID SLOPES AT NIGHT. A
WEEK DISTURBANCE CROSSING BRITISH COLUMBIA AND ALBERTA TODAY WILL
RESULT IN RIDGE TOP WIND GUSTS TO AROUND 30 MPH OVER THE NORTH
SAWTOOTH AND SALMON-CHALLIS FOREST AREAS. STRONGEST GUSTS SHOULD BE
BETWEEN 1100 TO 1600 HOURS. ALSO...A WEST TO NORTHWEST SURFACE
PRESSURE GRADIENT OVER THE CENTRAL MOUNTAINS AND MIDDLE SNAKE PLAIN
WILL FAVOR WIND GUSTS OF 30 TO 35 MPH BETWEEN SHOSHONE AND CRATERS
OF THE MOON AGAIN THIS AFTERNOON. A RED FLAG WARNING HAS BEEN ISSUED
FOR THAT AREA. HAINES INDEX REMAINS MODERATE TO HIGH EACH AFTERNOON.
MIDDLE AND HIGH LEVEL MONSOON MOISTURE BEGINS TO OVER SPREAD
SOUTHEAST IDAHO WEDNESDAY AND THE REST OF THE WEEK. ISOLATED
THUNDERSTORMS OVER THE MOUNTAINS WITH LITTLE PRECIPITATION IS
EXPECTED AT THIS TIME. RS

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
RED FLAG WARNING FROM 3 PM THIS AFTERNOON TO 9 PM MDT THIS
EVENING BELOW 5000 FEET FOR THE IDZ425.

LAKE WIND ADVISORY FROM 3 PM THIS AFTERNOON TO 9 PM MDT THIS
EVENING IDZ021.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
505 AM MDT SUN JUL 21 2013

IDZ017>025-031-032-221115-
EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-
UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN-
SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-
505 AM MDT SUN JUL 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. LOOK FOR WELL ABOVE
AVERAGE DAY TIME HIGH TEMPERATURES ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. EXPECT
ABOVE AVERAGE TEMPERATURES ACROSS THE AREA THROUGH THE PERIOD.

EXPECT AFTERNOON THUNDERSTORMS TO RETURN BY WEDNESDAY AND CONTINUE
THROUGH THE END OF THE WEEK AS MONSOON MOISTURE MOVES BACK INTO
THE AREA.

.SPOTTER INFORMATION STATEMENT...

WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT
WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY
INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL...
EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE
FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS
CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE
OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR
208-233-0834.