631
WGMY70 PGUM 141211
FFSGUM
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
1011 PM CHST SAT OCT 14 2023
GUC010-141300-
/O.CON.PGUM.FF.W.0020.000000T0000Z-231014T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-
1011 PM CHST SAT OCT 14 2023
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM CHST THIS
EVENING FOR GUAM...
AT 1011 PM CHST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1
AND 4 INCHES OF RAIN HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS OF 0.5
TO 1.5 INCHES ARE POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS
ONGOING OR EXPECTED TO BEGIN SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN AREAS,
HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS OTHER POOR
DRAINAGE AND LOW-LYING AREAS.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
TAMUNING, MANGILAO, CHALAN PAGO-ORDOT, BARRIGADA, YONA, HAGATNA
HEIGHTS, TALOFOFO, MONGMONG-TOTO-MAITE, SINAJANA, INARAJAN, ASAN,
MERIZO, PITI, SANTA RITA AND UMATAC.
MOUNT CHACHAO RAIN GAGE NEAR PITI MEASURE 3.1 INCHES OF RAIN IN AN
HOUR. FLASH FLOODING IS LIKELY NEAR PITI AND NAVY BASE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.
LAT...LON 1337 14461 1340 14463 1344 14460 1345 14459
1347 14460 1348 14462 1351 14475 1351 14479
1345 14486 1341 14480 1327 14478 1323 14475
1322 14474 1322 14469 1321 14465 1322 14463
1324 14462 1327 14464 1334 14461
FLASH FLOOD...RADAR AND GAUGE INDICATED
DS
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