142
WHMY50 PGUM 190511
SMWGUM
PMZ151-190545-
/O.NEW.PGUM.MA.W.0022.260819T0511Z-260819T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TIYAN GU
311 PM CHST WED AUG 19 2026
THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
GUAM COASTAL WATERS...
* UNTIL 345 PM CHST.
* AT 311 PM CHST, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
WATERSPOUTS WAS LOCATED NEAR THE COASTS OF GUAM, MOVING WEST AT 30
KNOTS.
HAZARD...WATERSPOUTS POSSIBLE AND WIND GUSTS TO 40 KNOTS. FREQUENT
LIGHTNING.
SOURCE...RADAR INDICATED.
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY
HIGHER WINDS AND SUDDENLY HIGHER WAVES.
* LOCATIONS IMPACTED INCLUDE...
IPAN BUOY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.
WIND GUSTS 34 KNOTS OR GREATER, HIGH WAVES, DANGEROUS LIGHTNING, AND
HEAVY RAIN ARE OCCURRING WITH THIS STORM.
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR
IMMEDIATELY.
LAT...LON 1344 14468 1334 14463 1325 14472 1342 14478
1352 14492 1360 14495 1365 14486 1351 14480
1346 14469 1387 14497 1372 14523 1321 14501
1321 14452
TIME...MOT...LOC 0510Z 72DEG 23KT 1342 14479
WATERSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 KTS
EM
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