Area Forecast Discussion
Issued by NWS Pocatello, ID

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000
FXUS65 KPIH 010930
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
330 AM MDT FRI MAY 1 2015

.SHORT TERM...TODAY THROUGH SUNDAY NIGHT. CURRENT WATER VAPOR
IMAGERY SHOWS DRY FLOW OVER OUR AREA WITH MOISTURE APPROACHING OUR
SOUTHERN BORDER AND MOISTURE MOVING IN ACROSS NORTHERN IDAHO FROM
AN APPROACHING WAVE. MODELS CONTINUE TO SHOW CURRENT HIGH
PRESSURE RIDGING FLATTEN FROM AN APPROACHING WAVE TODAY. THIS WAVE
WILL CREATE ZONAL FLOW ALLOWING FOR BREEZY AFTERNOON WINDS.
MODELS CONTINUE TO KEEP OUR AREA DRY TODAY. MODELS SHOW THE
MOISTURE TO OUR SOUTH WORKING INTO OUR AREA SATURDAY PRODUCING
AFTERNOON ISOLATED TO SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
MAINLY ACROSS THE SOUTHERN AND EASTERN HIGHLANDS. MODELS SHOW THE
APPROACHING WEAK WAVE MOVING THROUGH THE AREA SUNDAY ALLOWING FOR
ISOLATED CONVECTION ACROSS THE CENTRAL MOUNTAINS AS WELL AS THE
EASTERN AND SOUTHERN HIGHLANDS. EXPECT WELL ABOVE NORMAL
TEMPERATURES TODAY AND SATURDAY WITH MANY AREAS REACHING THE MID
TO UPPER SEVENTIES. WYATT

.LONG TERM...MONDAY THROUGH FRIDAY. MODELS DIFFER SOMEWHAT
ESPECIALLY TOWARD THE END OF NEXT WEEK.   EARLY EXPECT SOUTHWEST
FLOW AND A CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY THROUGH
WEDNESDAY.  EUROPEAN DRIVES THROUGH OPEN TROF WITH UPPER LOW IN
CANADA ON THURSDAY WHILE GFS CLOSED OFF UPPER LOW TO SOUTH AND KEEPS
PRECIPITATION THROUGH FRIDAY WHILE EUROPEAN DRIES IT ROUT THURSDAY
AND FRIDAY.  FOR NOW KEPT IN CHANCE OR SLIGHT CHANCE OR SHOWERS AND
THUNDERSTORMS THROUGH THE ENTIRE EXTENDED WITH HIGH MODEL
UNCERTAINTY.  TEMPERATURES SHOULD START ABOVE NORMAL THEN COOL A BIT
LATER NEXT WEEK.
GK

&&

.AVIATION...WILL HAVE VFR CONDITIONS TODAY AT ALL TAF SITES WITH
WINDS INCREASING TO THE 10 TO 15 KNOT RANGE AT PIH AND IDA THIS
AFTERNOON.  MAY SEE A BETTER CHANCE OF ACTIVITY NEAR BYI AND PIH ON
SATURDAY.
GK

&&

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

$$



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