Special Weather Statement, NWS Pocatello, ID

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
131 PM MDT MON AUG 6 2012

.SHORT TERM...SAT LOOP SHOWING MID LEVEL MOISTURE PLUME AND THE
ASSOCIATED UPPER TROF NEAR THE DIVIDE THIS AFTERNOON. SCATTERED
TSTMS DEVELOPING OVER THE CENTRAL MTNS AND UPPER SNAKE HIGHLANDS.
TSTMS SHOULD MOVE OUT OF THE AREA THIS EVENING AS THE UPPER TROF
MOVES NORTHWARD INTO MT. THE UPPER RIDGE WILL BUILD UP ON TUE. WITH
MOISTURE OUT OF THE AREA...TSTMS APPEAR UNLIKELY. TEMPS WILL BE
WELL ABOVE NORMAL. MONSOON MOISTURE WILL BEGIN TO FLOW UP THE
BACKSIDE OF THE RIDGE ON WED...RESULTING IN AFTERNOON/EVE TSTMS.
THE BEST CHANCES WILL BE OVER THE WESTERN HALF OF THE FCST AREA
...ESPECIALLY THE CENTRAL MTNS. TEMPS MAY REACH 100 IN PARTS OF
THE SNAKE RIVER PLAIN ON WED.

.LONG TERM...THE UPPER RIDGE PERSISTS THROUGH THE WEEKEND. ISOLD
TO WIDELY SCATTERED AFTERNOON/EVE TSTMS ARE POSSIBLE EAST DAY...
BUT MAINLY IN THE MTNS. TEMPS WILL CONTINUE ABOVE NORMAL.

HEDGES

&&

.AVIATION...HIGH PRESSURE SHOULD PRODUCE DRY CONDITIONS FOR THE TAF
SITES INTO WEDNESDAY. ISOLATED THUNDERSTORMS WILL BE POSSIBLE IN THE
MOUNTAINS AND HIGHLANDS. GUSTY WINDS THIS AFTERNOON SHOULD DIMINISH
THIS EVENING.

VALLE

&&

.FIRE WEATHER...WILL CONTINUE THE RED FLAG WARNING FOR FIRE ZONE 411
FOR THUNDERSTORMS AS RADAR IS SHOWING DEVELOPMENT OCCURRING NEAR
THAT REGION. EXPECT DRY CONDITIONS OVER THE NEXT COUPLE OF DAYS WITH
ISOLATED THUNDERSTORMS POSSIBLE IN THE MOUNTAINS AND HIGHLANDS ON
TUESDAY. A SURGE OF MOISTURE WILL ARRIVE ON WEDNESDAY WHICH MAY
PRODUCE SCATTERED THUNDERSTORMS FOR THE CENTRAL MOUNTAINS. HAVE
ISSUED A FIRE WEATHER WATCH FOR THOSE AREAS. THIS MOISTURE WILL
SPREAD EAST ON THURSDAY AND MAY LINGER THROUGH MUCH OF THE WEEK.
POTENTIALLY COULD BE DEALING WITH WIDESPREAD RED FLAGS LATER THIS
WEEK DUE TO SCATTERED THUNDERSTORMS.

VALLE

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY
EVENING IDZ475>477.

RED FLAG WARNING UNTIL 6 PM MDT THIS EVENING IDZ411.

&&

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE POCATELLO ID
917 PM MDT MON AUG 6 2012

IDZ017>025-031-032-071200-
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-
917 PM MDT MON AUG 6 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TONIGHT

THE THREAT OF SHOWERS AND THUNDERSTORMS IS WINDING DOWN THIS
EVENING. A FEW SHOWERS AND STORMS ARE STILL POSSIBLE ACROSS THE
UPPER SNAKE PLAIN AND HIGHLANDS...AS WELL AS THE CENTRAL
MOUNTAINS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS WILL ARRIVE ON WEDNESDAY AFTERNOON AND
AFFECT THE CENTRAL MOUNTAINS. A FIRE WEATHER WATCH IS IN EFFECT
FOR THOSE AREAS. EXPECT AREAWIDE THUNDERSTORMS THURSDAY THROUGH
SUNDAY.

.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.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
559 PM MDT MON AUG 6 2012

IDZ020-032-070045-
JEFFERSON ID-BINGHAM ID-BUTTE ID-
559 PM MDT MON AUG 6 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  EAST CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO
  EXTREME NORTH CENTRAL BINGHAM COUNTY IN SOUTHEAST IDAHO
  SOUTHWESTERN JEFFERSON COUNTY IN SOUTHEAST IDAHO

UNTIL 645 PM MDT

AT 552 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 8 MILES EAST OF ARCO..MOVING EAST AT 30 MPH.

WIND GUSTS BETWEEN 40 AND 50 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING.

LOCATIONS IMPACTED INCLUDE...
   THE INL COMPLEX...
   ATOMIC CITY...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 4388 11254 4337 11254 4354 11323 4372 11324
TIME...MOT...LOC 2357Z 268DEG 24KT 4363 11310

JKEYES

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
644 PM MDT MON AUG 6 2012

IDZ020-021-070130-
JEFFERSON ID-BINGHAM ID-BUTTE ID-BONNEVILLE ID-BANNOCK ID-
644 PM MDT MON AUG 6 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN BUTTE COUNTY IN EAST CENTRAL IDAHO
  EXTREME NORTHWESTERN BANNOCK COUNTY IN SOUTHEAST IDAHO
  NORTHWESTERN BONNEVILLE COUNTY IN SOUTHEAST IDAHO
  WESTERN BINGHAM COUNTY IN SOUTHEAST IDAHO
  SOUTHERN JEFFERSON COUNTY IN SOUTHEAST IDAHO

UNTIL 730 PM MDT

AT 638 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND SURFACE
OBSERVATIONS INDICATED AN AREA OF EXPANDING OUTFLOW WINDS ALONG A
LINE EXTENDING FROM 7 MILES NORTH OF SOUTHEAST INL TO 7 MILES SOUTH
OF SOUTHEAST INL TO 14 MILES WEST OF TABER..AND MOVING EAST AT 25
MPH.

WIND GUSTS IN EXCESS OF 40 MPH ARE EXPECTED.

LOCATIONS IMPACTED INCLUDE...
   TABER...
   PINGREE...
   ROCKFORD...
   MORELAND...
   ROBERTS...
   ROSE...
   BLACKFOOT AND
   FORT HALL EAGLE LODGE...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 4380 11204 4335 11214 4328 11219 4298 11242
      4330 11301 4346 11285 4352 11279 4385 11273
TIME...MOT...LOC 0041Z 289DEG 23KT 4370 11264 4349 11267
          4343 11273 4328 11288

JKEYES

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
730 PM MDT MON AUG 6 2012

IDZ020-021-023-070230-
CARIBOU ID-JEFFERSON ID-BINGHAM ID-BONNEVILLE ID-BANNOCK ID-MADISON
ID-
730 PM MDT MON AUG 6 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  WESTERN MADISON COUNTY IN SOUTHEAST IDAHO
  NORTHWESTERN BANNOCK COUNTY IN SOUTHEAST IDAHO
  CENTRAL BONNEVILLE COUNTY IN SOUTHEAST IDAHO
  BINGHAM COUNTY IN SOUTHEAST IDAHO
  SOUTHERN JEFFERSON COUNTY IN SOUTHEAST IDAHO
  NORTHWESTERN CARIBOU COUNTY IN SOUTHEAST IDAHO

UNTIL 830 PM MDT

AT 724 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
OUTFLOW BOUNDARY EXTENDING FROM 6 MILES NORTHWEST OF MUD LAKE
TO 7 MILES WEST OF OSGOOD TO 7 MILES NORTH OF ROSE TO STERLING..AND
MOVING EAST-SOUTHEAST AT 20 MPH.

WIND GUSTS TO AROUND 50 MPH ARE EXPECTED.

LOCATIONS IMPACTED INCLUDE...
   OSGOOD...
   ROBERTS...
   ROSE...
   SHELLEY...
   BLACKFOOT...
   FORT HALL EAGLE LODGE...
   IDAHO FALLS...
   FORT HALL BUFFALO LODGE...
   FORT HALL CITY...
   FORT HALL LINCOLN CREEK LODGE...
   FORT HALL CITY...
   FORT HALL YANDELL MOUNTAIN...
   RIGBY...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 4325 11167 4282 11205 4305 11289 4336 11240
      4356 11233 4393 11255 4390 11182 4345 11160
TIME...MOT...LOC 0128Z 282DEG 19KT 4392 11251 4354 11221
          4334 11227 4304 11278

JKEYES

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
927 PM MDT MON AUG 6 2012

IDZ019-023-070415-
CLARK ID-TETON ID-BONNEVILLE ID-MADISON ID-FREMONT ID-
927 PM MDT MON AUG 6 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHERN FREMONT COUNTY IN EASTERN IDAHO
  EAST CENTRAL CLARK COUNTY IN EASTERN IDAHO
  EASTERN MADISON COUNTY IN SOUTHEAST IDAHO
  NORTHEASTERN BONNEVILLE COUNTY IN SOUTHEAST IDAHO
  TETON COUNTY IN SOUTHEAST IDAHO

UNTIL 1015 PM MDT

AT 924 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
OUTFLOW WINDS FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 11
MILES NORTH OF ST. ANTHONY TO 7 MILES NORTHWEST OF CLEMENTSVILLE TO
12 MILES SOUTH OF CLEMENTSVILLE TO 10 MILES SOUTHEAST OF POPLAR..AND
MOVING EAST AT 30 MPH.

WIND GUSTS IN EXCESS OF 40 MPH ARE EXPECTED.

LOCATIONS IMPACTED INCLUDE...
   CLEMENTSVILLE...
   ASHTON...
   FELT...
   DRIGGS...
   VICTOR...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 4345 11163 4370 11154 4391 11160 4419 11194
      4417 11120 4403 11103 4343 11104
TIME...MOT...LOC 0326Z 272DEG 25KT 4412 11174 4391 11147
          4370 11141 4353 11149

JKEYES