343  
WGMY80 PGUM 250032  
FLSGUM  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE TIYAN GU  
1032 AM CHST SAT OCT 25 2025  
 
MPC110-120-250230-  
/O.NEW.PGUM.FA.Y.0042.251025T0032Z-251025T0230Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAIPAN-TINIAN-  
1032 AM CHST SAT OCT 25 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 1230 PM CHST THIS AFTERNOON  
 
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...SAIPAN AND TINIAN.  
 
* WHEN...UNTIL 1230 PM CHST.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
DANGEROUS FLOWS OVER LOW-WATER CROSSINGS.  
 
* ADDITIONAL DETAILS...  
- AT 1032 AM CHST, GAUGE REPORTS INDICATED HEAVY RAIN. THIS IS  
CAUSING URBAN AND SMALL STREAM FLOODING. OVERFLOWING POOR  
DRAINAGE AREAS HAVE ALREADY CAUSED MINOR FLOODING IN THE  
ADVISORY AREA. BETWEEN 0.5 AND 1 INCH OF RAIN HAS FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1 INCH ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
 
 
LAT...LON 1529 14584 1527 14585 1525 14585 1520 14580  
1516 14582 1514 14581 1513 14580 1513 14578  
1509 14578 1507 14577 1507 14575 1507 14574  
1508 14570 1510 14568 1511 14567 1512 14567  
1522 14569 1524 14569 1526 14569 1527 14571  
1526 14573 1531 14579 1513 14563 1513 14564  
1512 14566 1504 14567 1502 14569 1500 14570  
1493 14568 1490 14565 1490 14563 1491 14561  
1501 14556 1502 14556 1503 14556 1512 14562  
1498 14561 1487 14552 1487 14553 1488 14553  
1489 14556 1489 14557 1489 14558 1488 14559  
1488 14560 1487 14560 1486 14560 1484 14559  
 
 
 
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