108
WGMY50 PGUM 070448
FFWGUM
GUC010-070645-
/O.NEW.PGUM.FF.W.0002.250907T0448Z-250907T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TIYAN GU
248 PM CHST SUN SEP 7 2025
THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN GUAM...
* UNTIL 445 PM CHST.
* AT 248 PM CHST, DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. THE EXPECTED RAINFALL
RATE IS 1 TO 2 INCHES. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2
INCHES ARE POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ALREADY
OCCURRING.
HAZARD...FLASH FLOODING CAUSED BY SHOWERS AND THUNDERSTORMS.
SOURCE...RADAR.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN
AREAS, AND STREETS AS WELL AS OTHER POOR DRAINAGE AND
LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MANGILAO, CHALAN PAGO-ORDOT, YONA, TALOFOFO, INARAJAN, MERIZO,
PITI, SANTA RITA AND UMATAC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 1327 14464 1333 14461 1341 14466 1343 14480
1328 14479 1324 14476 1324 14462
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 2 HOURS
PB
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