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Initial List of Counties in SPC Severe Thunderstorm Watch 257 (WOU)
Back to Watch 257
WW0257 Overview WOU Image
   WOUS64 KWNS 182025
   WOU7

   BULLETIN - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 257
   NWS STORM PREDICTION CENTER NORMAN OK
   330 PM CDT SAT MAY 18 2024

   SEVERE THUNDERSTORM WATCH 257 IS IN EFFECT UNTIL 1000 PM CDT
   FOR THE FOLLOWING LOCATIONS

   MIC013-053-061-071-083-131-190300-
   /O.NEW.KWNS.SV.A.0257.240518T2030Z-240519T0300Z/

   MI 
   .    MICHIGAN COUNTIES INCLUDED ARE

   BARAGA               GOGEBIC             HOUGHTON            
   IRON                 KEWEENAW            ONTONAGON           


   MNC031-190300-
   /O.NEW.KWNS.SV.A.0257.240518T2030Z-240519T0300Z/

   MN 
   .    MINNESOTA COUNTIES INCLUDED ARE

   COOK                 


   WIC003-007-019-037-041-051-067-069-073-085-097-099-113-119-125-
   141-190300-
   /O.NEW.KWNS.SV.A.0257.240518T2030Z-240519T0300Z/

   WI 
   .    WISCONSIN COUNTIES INCLUDED ARE

   ASHLAND              BAYFIELD            CLARK               
   FLORENCE             FOREST              IRON                
   LANGLADE             LINCOLN             MARATHON            
   ONEIDA               PORTAGE             PRICE               
   SAWYER               TAYLOR              VILAS               
   WOOD                 


   LSZ121-140-141-147-148-150-162-240-241-242-243-244-245-246-247-
   263-190300-
   /O.NEW.KWNS.SV.A.0257.240518T2030Z-240519T0300Z/

   CW 

   .    ADJACENT COASTAL WATERS INCLUDED ARE

   CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI 

   GRAND PORTAGE TO GRAND MARAIS MN 

   GRAND MARAIS TO TACONITE HARBOR MN 

   SAND ISLAND TO BAYFIELD WI 

   OAK POINT TO SAXON HARBOR WI 

   OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND 

   LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
   PORTAGE MN BEYOND 5NM 

   SAXON HARBOR WI TO BLACK RIVER MI 

   BLACK RIVER TO ONTONAGON MI 

   ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI 

   UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI 

   EAGLE RIVER TO MANITOU ISLAND MI 

   MANITOU ISLAND TO POINT ISABELLE MI 

   POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI 

   PORTAGE LAKE TO HURON ISLAND MI TO LOWER ENTRANCE OF PORTAGE
   CANAL TO HURON ISLANDS MI INCLUDING KEWEENAW AND HURON BAYS 

   LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
   CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
   ROYAL NATIONAL PARK 

   ATTN...WFO...MQT...DLH...GRB...ARX...



Aviation Watch (SAW) for WW257
WW0257 Overview Image
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
   SAW7 
   WW 257 SEVERE TSTM MI MN WI LS 182030Z - 190300Z
   AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
   30NNE GNA/GRAND MARAIS MN/ - 35S CWA/MOSINEE WI/
   ..AVIATION COORDS.. 45NM E/W /34WSW YQT - 44N DLL/
   HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
   MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26030.

   LAT...LON 48158902 44278866 44279068 48159119

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU7.

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Page last modified: May 19, 2024
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