208  
FXUS66 KOTX 251529  
AFDOTX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE SPOKANE WA  
829 AM PDT TUE APR 25 2017  
   
SYNOPSIS
 
 
EXPECT COOL, BREEZY, AND SHOWERY WEATHER THIS WEEK. THE MOST  
WIDESPREAD PRECIPITATION WILL LIKELY OCCUR TUESDAY NIGHT INTO  
WEDNESDAY WITH THE POTENTIAL FOR A HALF INCH OR MORE OF RAIN OVER  
PORTIONS OF THE IDAHO PANHANDLE AND SOUTHEAST WASHINGTON. MOUNTAIN  
PASSES COULD SEE A FEW INCHES OF SNOW LATE WEDNESDAY. A RIDGE OF  
HIGH PRESSURE NEXT WEEKEND HAS THE POTENTIAL TO BRING THE REGION A  
DAY OR TWO OF DRIER WEATHER.  
 

 
   
DISCUSSION
 
 
MORNING UPDATE TO ADD MENTION OF MORNING FOG INTO PORTIONS OF THE  
FORECAST AS FOR AND STRATUS REMAINS EVIDENT FROM OBSERVATIONS,  
WEBCAMS, AND SATELLITE IMAGERY IN SOME OF THE NORTHERN VALLEYS AND  
LOWLANDS OF EASTERN WASHINGTON THIS MORNING. ADDITIONALLY HAVE  
INCREASED THE QPF FOR WEDNESDAY SOME. STILL THE AMOUNT OF LIQUID  
EXPECTED IS IN THE ONE HALF INCH TO ONE INCH RANGE. /PELATTI  
 

 
   
AVIATION
 
 
12Z TAFS: MORNING STRATUS COVER WILL CREATE IFR/MVFR CIGS ACROSS  
THE SPOKANE/COEUR D'ALENE CORRIDOR AND OVER THE PALOUSE. PATCHY  
FOG WILL BE MORE LIKELY ACROSS THE NORTHERN MTN VALLEYS THAT WILL  
IMPACT AIRFIELDS AT REPUBLIC, COLVILLE, CHEWELAH, DEER PARK AND  
IONE TO METALLINE FALLS. FOG AND LOW STRATUS WILL LIFT THROUGH THE  
MORNING HOURS WITH VFR CONDITIONS EXPECTED BY THE AFTERNOON. A  
DISTURBANCE SHIFTING SOUTH OUT OF BRITISH COLUMBIA WILL COMBINE  
WITH WEAK SURFACE INSTABILITY TO PRODUCE SCATTERED SHOWERS EAST OF  
A LINE FROM KOMK TO KLWS THIS AFTERNOON. CONVECTIVE SHOWERS WILL  
DISSIPATE IN THE EVENING BEFORE A FRONTAL BAND MOVING IN OFF OF  
THE EASTERN PACIFIC WILL BRINGS RAIN TO THE REGION TUESDAY NIGHT.  
/SVH  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
SPOKANE 56 43 52 35 51 36 / 50 80 90 50 40 20  
COEUR D'ALENE 54 41 51 34 50 34 / 60 80 90 80 90 30  
PULLMAN 55 43 50 36 50 35 / 30 90 90 60 50 20  
LEWISTON 61 47 56 40 55 38 / 30 90 90 50 30 20  
COLVILLE 58 42 53 36 53 37 / 60 60 90 50 40 20  
SANDPOINT 53 39 49 35 47 35 / 70 90 90 80 90 50  
KELLOGG 50 39 46 34 44 33 / 70 90 100 90 90 50  
MOSES LAKE 63 46 61 39 60 38 / 10 20 60 10 10 10  
WENATCHEE 60 45 58 38 56 38 / 10 10 40 10 10 0  
OMAK 64 44 59 37 57 37 / 20 10 70 10 10 10  
 

 
   
OTX WATCHES/WARNINGS/ADVISORIES
 
 
ID...NONE.  
WA...NONE.  

 
 

 
 
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