Area Forecast Discussion
Issued by NWS Pocatello, ID

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564
FXUS65 KPIH 010200
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
800 PM MDT SAT APR 30 2016

.SHORT TERM...TONIGHT THROUGH TUESDAY. A QUICK UPDATE THIS EVENING
TO ALLOW THE LAKE WIND ADVISORY TO EXPIRE WITH THE SETTING SUN THIS
EVENING. IT LOOKS LIKE A STRONG POSSIBILITY THAT WE MAY NEED TO
FOLLOW UP WITH ANOTHER ADVISORY FOR NORTHEAST WINDS ACROSS THE
RESERVOIR FOR SUNDAY. WILL TAKE A LOOK AT THE INCOMING MODEL DATA A
LITTLE LATER THIS EVENING TO SEE IF WE NEED TO PUSH THAT OUT THE
DOOR. SEE PREVIOUS DISCUSSION BELOW. HUSTON

THE LARGE UPPER LOW DOMINATING THE WEST IS RESPONSIBLE FOR SCATTERED
SHOWERS AND ISOLATED TSTMS THIS AFTN. SHOWERS DECREASE IN COVERAGE
TONIGHT AS THE AIRMASS STABILIZES. THE UPPER LOW IS EXPECTED TO SAG
SOUTHWARD ON SUNDAY...TAKING THE THREAT OF PRECIP OUT OF THE AREA.
AN ISOLATED SHOWER IS STILL POSSIBLE OVER THE CENTRAL MTNS SUN AFTN
...WHILE THE REST OF THE AREA REMAINS DRY. AN UPPER HIGH BUILDS
INTO THE NORTHERN ROCKIES ON MONDAY...EVENTUALLY MOVING TO THE
EAST ON TUE. DRY CONDITIONS AND WARMER TEMPS WILL PREVAIL THRU
TUE. HEDGES

.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY.
TREND IS FOR UPPER RIDGE TO MOVE EAST WITH SOUTHERLY FLOW ALOFT
SETTING UP BY WEDNESDAY.  WEDNESDAY AND THURSDAY EXPECT MAINLY
ISOLATED SHOWERS AND THUNDERSTORMS.  UPPER LOW MOVES ON SHORE FRIDAY
AND EXPECT MUCH MORE WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY
FRIDAY AND SATURDAY.  SHOULD SEE WELL ABOVE NORMAL TEMPERATURES
WEDNESDAY AND THURSDAY WITH SOME COOLING AND MORE CLOUD COVER FRIDAY
AND SATURDAY. GK
&&

.AVIATION...WRAP AROUND MOISTURE CONTINUES TO PUSH IN FROM EAST AND
HAVE SHOWERS AND VICINITY THUNDERSTORMS AT ALL SITES THIS AFTERNOON.
SHOULD STAY VFR BUT IN A SHOWER COULD OCCASIONALLY DROP TO MVFR.
EXPECT DRIER CONDITIONS SUNDAY WITH VFR CONDITIONS EVERYWHERE. GK
&&

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

$$



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