Storm Prediction Center Severe Thunderstorm Watch 245

Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.

   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 245
   NWS Storm Prediction Center Norman OK
   110 PM MDT Sun May 11 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Eastern Idaho
     Northern Utah
     Western Wyoming

   * Effective this Sunday afternoon and evening from 110 PM until
     800 PM MDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 80
       mph possible
     Isolated large hail events to 1.5 inches in diameter possible

   SUMMARY...Thunderstorm intensity and coverage is expected to
   increase this afternoon across eastern ID, northern UT, and western
   WY. Environmental conditions support the potential for strong to
   severe storms capable of strong gusts. Isolated large hail is also
   possible, particularly in areas of higher terrain.

   The severe thunderstorm watch area is approximately along and 80
   statute miles east and west of a line from 65 miles north northeast
   of Idaho Falls ID to 40 miles southwest of Salt Lake City UT. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU5).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Severe Thunderstorm Watch means conditions are
   favorable for severe thunderstorms in and close to the watch area.
   Persons in these areas should be on the lookout for threatening
   weather conditions and listen for later statements and possible
   warnings. Severe thunderstorms can and occasionally do produce
   tornadoes.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
   few cumulonimbi with maximum tops to 500. Mean storm motion vector
   23035.

   ...Mosier

   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 245
   NWS Storm Prediction Center Norman OK
   110 PM MDT Sun May 11 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Eastern Idaho
     Northern Utah
     Western Wyoming

   * Effective this Sunday afternoon and evening from 110 PM until
     800 PM MDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 80
       mph possible
     Isolated large hail events to 1.5 inches in diameter possible

   SUMMARY...Thunderstorm intensity and coverage is expected to
   increase this afternoon across eastern ID, northern UT, and western
   WY. Environmental conditions support the potential for strong to
   severe storms capable of strong gusts. Isolated large hail is also
   possible, particularly in areas of higher terrain.

   The severe thunderstorm watch area is approximately along and 80
   statute miles east and west of a line from 65 miles north northeast
   of Idaho Falls ID to 40 miles southwest of Salt Lake City UT. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU5).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Severe Thunderstorm Watch means conditions are
   favorable for severe thunderstorms in and close to the watch area.
   Persons in these areas should be on the lookout for threatening
   weather conditions and listen for later statements and possible
   warnings. Severe thunderstorms can and occasionally do produce
   tornadoes.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
   few cumulonimbi with maximum tops to 500. Mean storm motion vector
   23035.

   ...Mosier

Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.

   SAW5 
   WW 245 SEVERE TSTM ID UT WY 111910Z - 120200Z
   AXIS..80 STATUTE MILES EAST AND WEST OF LINE..
   65NNE IDA/IDAHO FALLS ID/ - 40SW SLC/SALT LAKE CITY UT/
   ..AVIATION COORDS.. 70NM E/W /33ENE DBS - 38SW SLC/
   HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..70 KNOTS.
   MAX TOPS TO 500. MEAN STORM MOTION VECTOR 23035.

   LAT...LON 44380995 40361099 40361403 44381319

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU5.

Watch 245 Status Report Messages:

STATUS REPORT #1 ON WW 245

VALID 112045Z - 112140Z

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..JEWELL..05/11/25

ATTN...WFO...PIH...SLC...RIW...

&&

STATUS REPORT FOR WS 245 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

IDC005-007-011-013-019-023-029-031-033-041-043-051-063-065-067-
071-077-081-112140-

ID 
.    IDAHO COUNTIES INCLUDED ARE

BANNOCK 	     BEAR LAKE		 BINGHAM	     
BLAINE		     BONNEVILLE 	 BUTTE		     
CARIBOU 	     CASSIA		 CLARK		     
FRANKLIN	     FREMONT		 JEFFERSON	     
LINCOLN 	     MADISON		 MINIDOKA	     
ONEIDA		     POWER		 TETON		     
$$


UTC003-005-011-029-033-035-043-045-049-051-057-112140-

UT 
.    UTAH COUNTIES INCLUDED ARE

BOX ELDER	     CACHE		 DAVIS		     
MORGAN		     RICH		 SALT LAKE	     
SUMMIT		     TOOELE		 UTAH		     
WASATCH 	     WEBER		 
$$


WYC023-029-035-039-041-112140-

WY 
.    WYOMING COUNTIES INCLUDED ARE

LINCOLN 	     PARK		 SUBLETTE	     
TETON		     UINTA		 
$$


THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$