Just released by NWS. Check out how fast the squall is moving:
Special Marine Warning
SPECIAL MARINE WARNING
GMZ853-856-873-876-061400-
/O.NEW.KTBW.MA.W.0056.130606T1236Z-130606T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
836 AM EDT THU JUN 6 2013
THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 TO 60 NM...
WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 TO 60 NM...
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM...
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM...
* UNTIL 1000 AM EDT
* AT 831 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF THUNDERSTORMS...
PRODUCING WATERSPOUTS FROM 12 NM SOUTHWEST
OF D1 REEF TO 44 NM SOUTHWEST OF M13 REEF...OR FROM 43 NM SOUTHWEST
OF LONGBOAT PASS TO 68 NM WEST OF CAPTIVA...
MOVING NORTHEAST AT 50
KNOTS.PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS CAN EXPECT STRONG WINDS...HIGH WAVES...DANGEROUS
LIGHTNING...AND HEAVY RAINS. BOATERS SHOULD SEEK SAFE HARBOR
IMMEDIATELY.
&&
LAT...LON 2649 8317 2724 8359 2744 8277 2627 8214
2602 8294
TIME...MOT...LOC 1236Z 224DEG 50KT 2716 8335 2675 8330
2637 8337
$$
http://forecast.weather.gov/showsigwx.p ... bCD_tJeZ6w