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Initial List of Counties in SPC Severe Thunderstorm Watch 121 (WOU)
Back to Watch 121
WW0121 Overview WOU Image
   WOUS64 KWNS 171549
   WOU1

   BULLETIN - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 121
   NWS STORM PREDICTION CENTER NORMAN OK
   1150 AM EDT WED APR 17 2024

   SEVERE THUNDERSTORM WATCH 121 IS IN EFFECT UNTIL 700 PM EDT
   FOR THE FOLLOWING LOCATIONS

   MIC015-017-023-025-037-045-049-057-059-063-065-067-073-075-077-
   081-087-091-093-099-111-115-117-125-145-147-149-151-155-157-161-
   163-172300-
   /O.NEW.KWNS.SV.A.0121.240417T1550Z-240417T2300Z/

   MI 
   .    MICHIGAN COUNTIES INCLUDED ARE

   BARRY                BAY                 BRANCH              
   CALHOUN              CLINTON             EATON               
   GENESEE              GRATIOT             HILLSDALE           
   HURON                INGHAM              IONIA               
   ISABELLA             JACKSON             KALAMAZOO           
   KENT                 LAPEER              LENAWEE             
   LIVINGSTON           MACOMB              MIDLAND             
   MONROE               MONTCALM            OAKLAND             
   SAGINAW              SANILAC             SHIAWASSEE          
   ST. CLAIR            ST. JOSEPH          TUSCOLA             
   WASHTENAW            WAYNE               


   LCZ422-423-460-LEZ444-LHZ421-422-441-442-443-172300-
   /O.NEW.KWNS.SV.A.0121.240417T1550Z-240417T2300Z/

   CW 

   .    ADJACENT COASTAL WATERS INCLUDED ARE

   ST. CLAIR RIVER 

   DETROIT RIVER 

   LAKE ST. CLAIR OPEN LAKE (U.S. PORTION) 

   MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI 

   OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
   SAGINAW BAY 

   INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI 

   PORT AUSTIN TO HARBOR BEACH MI 

   HARBOR BEACH TO PORT SANILAC MI 

   PORT SANILAC TO PORT HURON MI 

   ATTN...WFO...GRR...DTX...IWX...



Aviation Watch (SAW) for WW121
WW0121 Overview Image
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
   SAW1 
   WW 121 SEVERE TSTM MI LE LH 171550Z - 172300Z
   AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
   20NW AZO/KALAMAZOO MI/ - 30NNE MTC/MOUNT CLEMENS MI/
   ..AVIATION COORDS.. 50NM N/S /13E PMM - 16SSE ECK/
   HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
   MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24030.

   LAT...LON 43238583 43808260 42208260 41648583

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU1.

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Page last modified: April 17, 2024
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