Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 061612
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
1012 AM MDT MON JUL 6 2015

.UPDATE...UPDATED GRIDS TO INCREASE POPS ACROSS MAINLY THE SNAKE
RIVER PLAIN AS WELL AS THE SOUTHERN AND EASTERN HIGHLANDS. A WEAK
FRONTAL BOUNDARY...CURRENTLY OVER THE CENTRAL MOUNTAINS...WILL
SLOWLY MOVE SOUTH OVER OUR AREA TODAY BRINGING AFTERNOON SCATTERED
SHOWERS AND THUNDERSTORMS ACROSS THE VALLEYS AND AFTERNOON NUMEROUS
SHOWERS AND THUNDERSTORMS ACROSS THE MOUNTAINS. WYATT
&

&&

.PREV DISCUSSION... /ISSUED 233 AM MDT MON JUL 6 2015/

SHORT TERM...TODAY THROUGH WEDNESDAY.
WEAK UPPER LEVEL SYSTEM PUSHING THROUGH IDAHO TODAY AND EXPECT
FAIRLY WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY TODAY. HUMIDITY
REMAINS EXTREMELY ELEVATED FOR SOUTHEAST IDAHO AND THE MOISTURE
COMBINED WITH INSTABILITY AND THE UPPER LEVEL SYSTEM SHOULD MAKE
FOR AN ACTIVE DAY ACROSS SOUTHEAST IDAHO. ACTIVITY SHOULD TAPER
OFF WEST TO EAST TONIGHT. FLOW GOES NORTHWEST ALOFT TUESDAY AND
EXPECT LESS COVERAGE OF PRECIPITATION BUT STILL A CHANCE AND
ANOTHER UPPER LEVEL SYSTEM DROPS SOUTH WEDNESDAY WITH WIDESPREAD
SHOWERS AND THUNDERSTORMS AGAIN LIKELY. OVERALL THE SHORT TERM
LOOKS TO BE ACTIVE WITH CONVECTIVE ACTIVITY AND PRECIPITATION WITH
BOTH MONDAY AND WEDNESDAY LOOKING FAIRLY WET. HIGH TEMPERATURES
SHOULD BE NEAR SEASONAL NORMAL WITH LOWS ABOVE NORMAL. GK

LONG TERM...THURSDAY THROUGH MONDAY.
CONVERT TO SOUTHERLY FLOW ALOFT BY THURSDAY AND EXPECT CONTINUED
MOISTURE TO PUSH NORTH INTO IDAHO. THE THREAT FOR SHOWERS AND
THUNDERSTORMS CONTINUES THROUGH FRIDAY WHEN BOTH GFS AND EUROPEAN
MODELS PUSH NORTH A SYSTEM FRIDAY WHICH LOOKS TO BE WETTEST DAY IN
EXTENDED. BOTH SHOW SOME DRYING BY NEXT WEEKEND AND BEGAN TO DROP
POPS A BIT IN GRIDS NEXT WEEKEND. HIGH TEMPERATURES EXPECTED TO
BE BELOW NORMAL LATE THIS WORK WEEK RISING TO NORMAL OR ABOVE BY
SUNDAY AND MONDAY. GK

AVIATION...EXPECT ISOLATED TO SCATTERED THUNDERSTORMS THIS
AFTERNOON...POTENTIALLY AFFECTING TAF SITES. OTHERWISE...EXPECT VFR
CEILINGS. WINDS WILL BE LIGHTER EXCEPT NEAR THUNDERSTORMS.

VALLE

FIRE WEATHER...A LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST WILL
SEND SEVERAL IMPULSES THROUGH THE AREA THIS WEEK. EXPECT ISOLATED TO
SCATTERED THUNDERSTORMS NEARLY EVERY DAY WITH THE BEST CHANCES
OCCURRING DURING THE AFTERNOON. EXPECT COOLER TEMPS AND HIGHER
HUMIDITY THIS WEEK BECAUSE OF THE LOW PRESSURE SYSTEM.

VALLE

&&

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

$$


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