341  
WWMY80 PGUM 100939  
SPSGUM  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE TIYAN GU  
728 PM CHST SUN AUG 10 2025  
 
MPZ002-003-101015-  
TINIAN-SAIPAN-  
728 PM CHST SUN AUG 10 2025  
   
..STRONG THUNDERSTORMS WILL IMPACT SAIPAN THROUGH 815 PM CHST
 
 
AT 728 PM CHST, DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG  
THUNDERSTORMS JUST EAST OF SAIPAN AND TINIAN, MOVING WEST AT 20 MPH.  
 
HAZARD...FREQUENT LIGHTNING AND WIND GUSTS IN EXCESS OF 30 MPH.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS  
STORM. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A  
THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR  
VEHICLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.  
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE  
SHELTER INSIDE A BUILDING OR VEHICLE.  
 

 
 
LAT...LON 1521 14578 1516 14579 1515 14575 1509 14575  
1511 14572 1508 14566 1503 14565 1500 14568  
1492 14563 1503 14559 1510 14564 1511 14570  
1521 14572 1529 14581 1527 14583  
TIME...MOT...LOC 0928Z 094DEG 48KT 1517 14569  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...<30 MPH  
 

 
 
WILLIAMS  
 
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