Wind Advisory 8, NWS Pocatello, ID

000 
WWUS75 KPIH 210924
NPWPIH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
324 AM MDT MON MAY 21 2007

...STRONG PACIFIC LOW PRESSURE SYSTEM TO BRING STRONG WINDS TO
EAST IDAHO TODAY...

.A COLD LATE SPRING STORM SYSTEM OVER WESTERN WASHINGTON THIS
MORNING WILL CROSS IDAHO ON TODAY. THE SURFACE COLD FRONT
ASSOCIATED WITH THIS SYSTEM WILL CROSS THE UPPER SNAKE RIVER
VALLEY OF IDAHO MONDAY AFTERNOON. STRONG SOUTHWEST WINDS WILL
DEVELOP BY LATE MORNING AND CONTINUE UNTIL EARLY MONDAY EVENING.

BLOWING DUST MAY DEVELOP LOCALLY AND LIMIT VISIBILITY ALONG
INTERSTATE 86 FROM BURLEY TO POCATELLO AND INTERSTATE 15 BETWEEN
POCATELLO AND IDAHO FALLS.

IDZ017-020-021-212230-
/O.CON.KPIH.WI.Y.0008.070521T1600Z-070522T0200Z/
EASTERN MAGIC VALLEY-UPPER SNAKE RIVER PLAIN-
LOWER SNAKE RIVER PLAIN-
INCLUDING THE CITIES OF...BURLEY...RUPERT...SHOSHONE...CAREY...
IDAHO FALLS...REXBURG...RIGBY...POCATELLO...BLACKFOOT...
AMERICAN FALLS
324 AM MDT MON MAY 21 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
MDT THIS EVENING. 

A PACIFIC COLD FRONT WILL CROSS THE UPPER SNAKE RIVER VALLEY OF
SOUTHEAST IDAHO THIS AFTERNOON. STRONG SOUTHWEST WINDS OF 25 TO 35
MPH WITH GUSTS TO 45 MPH WILL DEVELOP IN THE VALLEY BETWEEN BURLEY
AND IDAHO FALLS BY 10 AM MDT AND CONTINUE THROUGH 8 PM MDT.

A WIND ADVISORY MEANS THAT WINDS GREATER THAN 30 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

000 
WWUS75 KPIH 212136
NPWPIH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
336 PM MDT MON MAY 21 2007

...STRONG WINDS CONTINUE IN EAST IDAHO THIS EVENING...

.A COLD LATE SPRING STORM SYSTEM OVER SOUTHERN IDAHO CONTINUES TO
PUSH EAST. STRONG SOUTHWEST WINDS ASSOCIATED WITH THIS SYSTEM WILL
CONTINUE THROUGH EARLY EVENING.

BLOWING DUST MAY DEVELOP LOCALLY AND LIMIT VISIBILITY ALONG
INTERSTATE 86 FROM BURLEY TO POCATELLO AND INTERSTATE 15 BETWEEN
POCATELLO AND IDAHO FALLS.

IDZ017-020-021-220200-
/O.CON.KPIH.WI.Y.0008.000000T0000Z-070522T0200Z/
EASTERN MAGIC VALLEY-UPPER SNAKE RIVER PLAIN-
LOWER SNAKE RIVER PLAIN-
INCLUDING THE CITIES OF...BURLEY...RUPERT...SHOSHONE...CAREY...
IDAHO FALLS...REXBURG...RIGBY...POCATELLO...BLACKFOOT...
AMERICAN FALLS
336 PM MDT MON MAY 21 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. 

STRONG SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL
CONTINUE IN THE EASTERN MAGIC VALLEY AND SNAKE RIVER PLAIN THROUGH
8 PM. WINDS WILL DECREASE TO 10 TO 20 MPH BY MIDNIGHT.

A WIND ADVISORY MEANS THAT WINDS GREATER THAN 30 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
256 PM MDT SUN MAY 20 2007

.SHORT TERM...ISOLATED THUNDERSTORMS ARE DEVELOPING THIS AFTERNOON
IN THE SOUTH CENTRAL AND CARIBOU HIGHLANDS ON LEADING EDGE OF
UPPER LOW PRESSURE TROUGH. GENERAL MOVEMENT IS NORTHEAST AT 25
MPH. SPOTTER NEAR ROY REPORTED MARBLE SIZE HAIL. AIRMASS SHOULD
STABILIZE ENOUGH FOR THUNDERSTORMS TO END BY 9 PM.

RATHER COLD LOW PRESSURE SYSTEM OVER VANCOUVER ISLAND THIS
AFTERNOON WILL CROSS IDAHO ON MONDAY. 1000-500MB THICKNESS DROPS
SHARPLY ABOUT 200DAM...ENOUGH TO BRING SNOW LEVELS IN THE CENTRAL
MOUNTAINS DOWN TO ABOUT 6500 FEET BY MONDAY AFTERNOON AND DROP
SURFACE TEMPERATURES ANOTHER 10-15F. AFTER OUR RECENT HOT
SPELL...GROUND TEMPERATURES WILL BE WARM ENOUGH TO MELT A GOOD
DEAL OF WHAT FALLS EVEN AT HIGHER ELEVATIONS. THINK ELEVATIONS
ABOVE 6500 FEET MAY SEE UP TO 3 INCHES OF SNOW MOSTLY CUSTER
COUNTY AREA. THE SURFACE COLD FRONT SHOULD ENTER CUSTER COUNTY
ABOUT 9 AM AND CROSS THE UPPER SNAKE RIVER VALLEY ABOUT 1 PM WITH
STRONG COLD AIR ADVECTION BEHIND IT. UPPER 130KT JET OVER
WASHINGTON AND OREGON WILL BE IN FAVORABLE POSITION TO SUPPORT
STRONG SURFACE WINDS IN THE SNAKE RIVER VALLEY FROM BURLEY TO
DUBOIS. WINDS MAY START AS EARLY AS 9 OR 10 AM...THEREFOR HAVE
ALREADY ISSUED A WIND ADVISORY FOR MONDAY. SYSTEM CROSSES INTO
WYOMING TUESDAY WITH CLOSED 700MB CIRCULATION THREATENING TO WRAP
SHOWERS AROUND IT INTO THE UPPER SNAKE HIGHLANDS AND ALONG THE
WYOMING BORDER.

.LONG TERM...SHORT WAVE RIDGE FOLLOWS TUESDAY NIGHT AND WEDNESDAY
PROVIDING A BREAK IN SHOWERS. THEN A QUICK MOVER THURSDAY WILL BRING
ISOLATED TO WIDELY SCATTERED SHOWERS AND ANOTHER DOSE OF COOL AIR.
NEXT DISTURBANCE DOES NOT ARRIVE UNTIL SATURDAY AND THERE ARE SOME
TIMING ISSUES. ECM IS SLOWER. RS

&&

.FIRE WEATHER...MUCH COLDER WEATHER IS ON THE WAY AS A COLD FRONT
HAS MOVED EAST OF IDAHO TODAY.  ELEVATED RELATIVE HUMIDITIES WERE
PRESENT TODAY AND PRECIPITATION WILL WORK INTO THE MOUNTAINS AS WELL
TONIGHT AND MONDAY WITH SNOW LEVELS DROPPING SUBSTANTIALLY.  HIGHER
ELEVATIONS WILL SEE SOME ACCUMULATIONS.  THERE WILL BE ISOLATED
THUNDERSTORMS IN THE EASTERN HIGHLANDS THIS EVENING.  WITH THE SURGE
OF COLD AIR ON MONDAY YOU WILL ALSO SEE STRONG WINDS IN THE SNAKE
RIVER PLAIN UPWARDS OF 30 MPH DURING THE DAY ON MONDAY.  WITH THE
COLD AIR HOWEVER RELATIVE HUMIDITIES WILL REMAIN HIGH WELL ABOVE 30
PERCENT SO NO RED FLAG WARNINGS WILL BE ISSUED.  THE COOL WEATHER
WILL CONTINUE ON TUESDAY WITH WINDS DYING DOWN.
GK

&&

.AVIATION...ISOLATED THUNDERSTORMS IN THE SOUTHEAST CORNER OF THE
STATE WITH MORE STRATIFORM TYPE PRECIPITATION MOVING INTO THE
CENTRAL MOUNTAINS BEHIND COLD FRONT WHICH IS MOVING INTO WYOMING.
EXPECT ISOLATED THUNDERSTORMS THIS EVENING ALONG TWEB ROUTES 343 AND
344 WITH SHOWERS AND SCATTERED MVFR CONDITIONS ALONG TWEB ROUTE 340
AS WELL.  STRONG WINDS WILL DEVELOP ON MONDAY IN THE SNAKE RIVER
PLAIN AND BYI...PIH AND IDA.  EXPECT SUSTAINED WINDS IN THE 25 TO 35
MPH RANGE POTENTIALLY AT THOSE SITES.
GK

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY FROM 10 AM TO 8 PM MDT MONDAY FOR IDZ017-020-021.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
520 AM MDT SUN MAY 20 2007

IDZ017>025-031-032-211200-
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-
520 AM MDT SUN MAY 20 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. A COLD FRONT WILL
TRACK ACROSS THE AREA ON SUNDAY PRODUCING GUSTY WINDS AND COOLER
TEMPERATURES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON MONDAY AS AN UPPER LOW
MOVES ACROSS THE AREA. STRONG SOUTHWEST WINDS ARE EXPECTED THROUGH
THE SNAKE RIVER PLAIN ON MONDAY.

.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.