167  
WUUS55 KBOI 171428  
SVRBOI  
IDC003-045-085-087-171515-  
/O.NEW.KBOI.SV.W.0035.251217T1428Z-251217T1515Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BOISE ID  
728 AM MST WED DEC 17 2025  
 
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
CENTRAL VALLEY COUNTY IN SOUTHWESTERN IDAHO...  
NORTHEASTERN GEM COUNTY IN SOUTHWESTERN IDAHO...  
SOUTHEASTERN ADAMS COUNTY IN SOUTHWESTERN IDAHO...  
SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWESTERN IDAHO...  
 
* UNTIL 815 AM MST.  
 
* AT 727 AM MST, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR POVERTY FLAT CAMPGROUND TO NEAR WEISER, MOVING  
EAST AT 50 MPH.  
 
HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO  
MOBILE HOMES, ROOFS, AND OUTBUILDINGS.  
 
* SEVERE THUNDERSTORMS WILL BE NEAR...  
DONNELLY, TAMARACK SKI AREA, INDIAN VALLEY, AND INDIAN MOUNTAIN  
AROUND 730 AM MST.  
CASCADE, FOUR BIT SUMMIT, AND HALFWAY STATION AROUND 740 AM MST.  
GRANITE PEAK, DODSON PASS, HORSETHIEF RESERVOIR, AND BIG CREEK  
SUMMIT AROUND 750 AM MST.  
BIG BALDY MOUNTAIN, LANDMARK, AND SAGE HEN RESERVOIR AROUND 800 AM  
MST.  
SMITHS FERRY, INDIAN CREEK GUARD STATION, MONUMENTAL PEAK, AND  
DEADWOOD SUMMIT AROUND 810 AM MST.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
WHEN SAFE TO DO SO, PLEASE RELAY STORM REPORTS TO THE NATIONAL  
WEATHER SERVICE IN BOISE VIA LOCAL LAW ENFORCEMENT, OR NATIONAL  
WEATHER SERVICE BOISE FACEBOOK AND TWITTER ACCOUNTS.  
 

 
 
LAT...LON 4489 11473 4487 11477 4485 11477 4472 11497  
4472 11501 4477 11508 4475 11512 4465 11517  
4461 11528 4458 11530 4453 11529 4424 11595  
4429 11701 4496 11571  
TIME...MOT...LOC 1427Z 273DEG 43KT 4485 11581 4431 11693  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...0.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 

 
 
JDS  
 
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