136  
FXUS65 KPIH 190812  
AFDPIH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE POCATELLO ID  
212 AM MDT TUE MAR 19 2019  
   
SHORT TERM...TODAY THROUGH THURSDAY
 
SEASONAL TEMPERATURES AND  
HIGH PRESSURE PERSIST TODAY ALLOWING FOR MILD WEATHER CONDITIONS.  
AN AREA OF LOW PRESSURE WILL TRACK ONSHORE CALIFORNIA TOMORROW AND  
PUSH MOISTURE EASTWARD INTO WESTERN IDAHO BY THE END OF THE DAY.  
AS THE LOW SLOWLY PROGRESSES FURTHER EASTWARD, INCREASING MOISTURE  
IS FORECAST ACROSS OUR AREA ON THURSDAY. EXPECT INCREASED CLOUD  
COVER HOWEVER FORECAST MODELS CONTINUE TO KEEP MOST OF THE  
PRECIPITATION ASSOCIATED WITH THIS LOW TO OUR SOUTH. A STRAY  
RAIN/SNOW SHOWER CAN'T BE RULED OUT ALONG THE IDAHO BORDER WITH  
UTAH. LATE THURSDAY INTO FRIDAY, THE LOW WILL HAVE TRACKED INTO  
UTAH. THIS NOW WILL BE THE BEGINNING OF INCREASED CHANCES FOR  
PRECIPITATION ACROSS SE ID. NP/GK  
   
LONG TERM
 
FRIDAY THROUGH TUESDAY. MODELS CONTINUE TO BRING IN  
PRECIPITATION FRIDAY WITH THE GFS MORE WIDESPREAD THAN THE  
EUROPEAN MODEL. MODELS ROTATE CLOSED UPPER LOW NORTH WITH THE  
FRIDAY SYSTEM AND FOR NOW DID NOT COMPLETELY BITE OFF ON IT BUT  
DID RAISE PRECIPITATION CHANCES WITH SNOW LEVELS RISING TO 7  
THOUSAND FEET. A SECOND PACIFIC SYSTEM BRINGS IN A CHANCE FOR MORE  
PRECIPIATION OVER THE WEEKEND WITH SNOW LEVELS STARTING OUT AT  
AROUND 7 THOUSAND FEET SATURDAY AND POTENTIALLY DROPPING TO 4500  
TO 5000 FEET SUNDAY BEHIND A COLD FRONTAL PASSAGE. EXPECT HIGH  
TEMPERATURES NEAR NORMAL FRIDAY AND SATURDAY THEN DROPPING BELOW  
NORMAL SUNDAY. SHOULD HAVE DRY CONDITIONS IN SOUTHERLY FLOW MONDAY  
AND TUESDAY WITH WARMING TEMPERATURES. GK  
 

 
   
AVIATION
 
THE TREND OF CLEAR SKIES AND MAINLY LIGHT WINDS WILL  
CONTINUE THROUGH TUESDAY. SHOULD HAVE GOOD FLYING CONDITIONS  
CONTINUING.  
GK  
 

 
   
PIH WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
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