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SPC Severe Thunderstorm Watch 518

WW 518 SEVERE TSTM ID MT 121955Z - 130300Z
        
WW 0518 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 518
NWS Storm Prediction Center Norman OK
155 PM MDT Fri Aug 12 2022

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western and northern Idaho
  Western Montana

* Effective this Friday afternoon and evening from 155 PM until
  900 PM MDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Scattered large hail events to 1.5 inches in diameter possible

SUMMARY...Scattered severe storms are expected this afternoon
through late evening, some of which could be supercells.  Occasional
large hail up to 1.5 inches in diameter and outflow winds of 60-70
mph will be the main threats.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 40 miles west northwest
of Kalispell MT to 60 miles southwest of Hailey ID. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).

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 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24020.

...Thompson

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SPC Severe Thunderstorm Watch 518 Status Reports

WW 0518 Status Updates
      
WW 0518 Status Image

STATUS REPORT ON WW 518

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1674

..DEAN..08/12/22

ATTN...WFO...BOI...OTX...PIH...MSO...TFX...


STATUS REPORT FOR WS 518 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

IDC001-003-009-013-015-017-021-023-025-027-031-035-039-045-047-
049-053-055-057-059-061-063-067-069-075-079-083-085-087-
130040-

ID 
.    IDAHO COUNTIES INCLUDED ARE

ADA                  ADAMS               BENEWAH             
BLAINE               BOISE               BONNER              
BOUNDARY             BUTTE               CAMAS               
CANYON               CASSIA              CLEARWATER          
ELMORE               GEM                 GOODING             
IDAHO                JEROME              KOOTENAI            
LATAH                LEMHI               LEWIS               
LINCOLN              MINIDOKA            NEZ PERCE           
PAYETTE              SHOSHONE            TWIN FALLS          
VALLEY               WASHINGTON          


MTC001-029-039-047-053-061-063-081-089-130040-

MT 
.    MONTANA COUNTIES INCLUDED ARE

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