Special Weather Statement, NWS Pocatello, ID

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
130 PM MDT WED AUG 3 2011

.DISCUSSION...

SHOWERS ARE BEGINNING TO DEVELOP AS OF 19Z OVER THE MOUNTAINS AND
HIGHLANDS. THIS IS IN RESPONSE TO AFTERNOON HEATING COMBINED WITH
HIGH MOISTURE. EXPECT CONVECTION TO REMAIN CONFINED TO THE
MOUNTAINS AND HIGHLANDS TODAY. MODELS SHOW NO SHORTWAVES MOVING
THROUGH THE REGION TO AID IN DEVELOPMENT IN THE SNAKE PLAIN.

BETTER CHANCES FOR STORMS EXIST FOR THURSDAY AS A SHORTWAVE IS
EJECTED FROM UPPER TROUGH THAT IS DIGGING INTO THE WEST COAST.
THIS SHOULD PRODUCE SCATTERED TO NUMEROUS STORMS IN THE CENTRAL
MOUNTAINS AND SCATTERED STORMS ELSEWHERE. SMALL HAIL AND GUSTY
WINDS ARE POSSIBLE WITH SOME OF THESE STORMS ALONG WITH AN
ISOLATED SEVERE THREAT...PER THE SPC DAY 2 OUTLOOK. SOME OF THESE
STORMS COULD LINGER THROUGH THURSDAY NIGHT AND INTO FRIDAY AS
DRIER AIR GRADUALLY WORKS INTO THE REGION BEHIND THE SHORTWAVE.

NO SIGNIFICANT CHANGES MADE TO THE FORECAST FOR THE WEEKEND INTO
EARLY NEXT WEEK. DRIER AIR OVER THE REGION SHOULD KEEP ANY
THUNDERSTORM CHANCES LIMITED TO THE MOUNTAINS AND HIGHLANDS. ANY
STORMS THAT WOULD DEVELOP ARE LIKELY TO BE ISOLATED.

VALLE

&&

.AVIATION...LOOK FOR ISOLATED THUNDERSTORMS ACROSS THE SNAKE RIVER
PLAIN TODAY WITH SCATTERED THUNDERSTORMS ACROSS HIGHER TERRAIN.
EXPECT VFR CONDITIONS EXCEPT FOR BRIEF PERIODS OF THUNDERSTORMS ON
STATION. KSUN AND KBYI HAVE THE BEST CHANCES FOR THUNDERSTORMS LATE
THIS AFTERNOON INTO EARLY EVENING. LOOK FOR GUSTY AND ERRATIC WINDS
IN AROUND THUNDERSTORMS.  EXPECT GOOD CHANCES OF WIDESPREAD SHOWERS
AND THUNDERSTORMS BY EARLY TOMORROW AFTERNOON ACROSS THE AREA WITH A
WEAK SYSTEM MOVING THROUGH TOMORROW AFTERNOON. WYATT

&&

.FIRE WEATHER...LOOK FOR SHOWERS AND THUNDERSTORMS IN THE AFTERNOON
THROUGH THE EARLY EVENING THROUGH THE END OF THE WEEK. THURSDAY IS
THE BEST CHANCE OF THUNDERSTORMS WITH A WEAK FRONT MOVING THROUGH.
LOOK FOR A DRYING TREND OVER THE WEEKEND INTO NEXT WEEK. WYATT

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
400 AM MDT WED AUG 3 2011

IDZ017>025-031-032-041200-
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-
400 AM MDT WED AUG 3 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. ISOLATED
THUNDERSTORMS ARE POSSIBLE DURING THE AFTERNOON AND EVENING HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. THURSDAY
AFTERNOON AND THURSDAY NIGHT WILL HAVE THE BEST CHANCE FOR
THUNDERSTORM DEVELOPMENT DURING THIS PERIOD WITH A CHANCE OF
SHOWERS AND A SLIGHT CHANCE FOR THUNDERSTORMS. THE RISK OF
THUNDERSTORMS DIMINISHES THROUGH THE WEEKEND.

.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.

MESSICK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO
115 PM MDT WED AUG 3 2011

IDZ032-031945-
CUSTER ID-
115 PM MDT WED AUG 3 2011

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN CUSTER COUNTY IN CENTRAL IDAHO

UNTIL 145 PM MDT

AT 110 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MACKAY..MOVING NORTHEAST AT 10 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
   MACKAY...

LAT...LON 4410 11351 4406 11346 4391 11345 4388 11346
      4386 11343 4380 11364 4385 11368 4386 11368
      4389 11373
TIME...MOT...LOC 1915Z 228DEG 10KT 4389 11361

VALLE

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO
232 PM MDT WED AUG 3 2011

IDZ032-032115-
BUTTE ID-CUSTER ID-
232 PM MDT WED AUG 3 2011

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN CUSTER COUNTY IN CENTRAL IDAHO
  CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO

UNTIL 315 PM MDT

AT 230 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR DARLINGTON..MOVING EAST AT 5 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
  DARLINGTON...

LAT...LON 4395 11320 4370 11317 4371 11352 4389 11355
TIME...MOT...LOC 2032Z 257DEG 5KT 4381 11341

VALLE

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