450  
WHUS54 KMOB 151915  
SMWMOB  
GMZ631-632-650-152015-  
/O.NEW.KMOB.MA.W.0292.170815T1915Z-170815T2015Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MOBILE AL  
215 PM CDT TUE AUG 15 2017  
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM...  
MISSISSIPPI SOUND...  
SOUTH MOBILE BAY...  
 
* UNTIL 315 PM CDT  
 
* AT 214 PM CDT...THE LEADING EDGE OF A CLUSTER OF STRONG  
THUNDERSTORMS WAS LOCATED ALONG A LINE EXTENDING FROM NEAR HORN  
ISLAND, TO NEAR PETIT BOIS PASS, TO 7 NM SOUTH OF WESTERN DAUPHIN  
ISLAND. MOVEMENT WAS NORTHEAST AT 25 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT WIND GUSTS IN EXCESS OF 34 KNOTS...SUDDENLY HIGHER  
WAVES...FREQUENT LIGHTNING...AND HEAVY DOWNPOURS. MAKE  
SURE ALL ON BOARD ARE WEARING LIFE JACKETS.  
 
* LOCATIONS IMPACTED INCLUDE...  
EAST FOWL RIVER BRIDGE...SAND ISLAND LIGHTHOUSE...BON SECOUR BAY...  
FAREWELL BUOY...MIDDLE BAY LIGHT...MISSISSIPPI SOUND EAST OF  
PASCAGOULA...HERON BAY...POINT CLEAR...WEEKS BAY AND CENTRAL  
DAUPHIN ISLAND.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE...KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 3041 8840 3043 8834 3036 8814 3057 8813  
3056 8808 3045 8810 3047 8793 3051 8792  
3051 8790 3042 8787 3045 8785 3026 8770  
3024 8782 3025 8772 2989 8824 2988 8831  
3037 8840 3038 8841  
TIME...MOT...LOC 1914Z 230DEG 24KT 3023 8853 3018 8839 3010 8831  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
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