685
WHMY50 PGUM 202114
SMWGUM
PMZ152-202145-
/O.NEW.PGUM.MA.W.0023.260820T2114Z-260820T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TIYAN GU
713 AM CHST FRI AUG 21 2026
THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
ROTA COASTAL WATERS...
* UNTIL 745 AM CHST.
* AT 711 AM CHST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
WATERSPOUTS WAS LOCATED OVER FAR EASTERN ROTA COASTAL WATERS
MOVING SOUTHWEST AT 30 KNOTS.
HAZARD...WATERSPOUTS AND WIND GUSTS TO 40 KNOTS.
SOURCE...RADAR.
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY
HIGHER WINDS AND SUDDENLY HIGHER WAVES.
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR
IMMEDIATELY.
LAT...LON 1425 14572 1415 14589 1375 14568 1391 14541
TIME...MOT...LOC 2113Z 032DEG 30KT 1411 14575
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...40KTS
WILLIAMS
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