945  
WWUS86 KHNX 042121  
SPSHNX  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA  
121 PM PST SUN JAN 4 2026  
 
CAZ302-303-317-042200-  
MERCED - MADERA - MENDOTA CA-MARIPOSA MADERA FOOTHILLS CA-PLANADA -  
LE GRAND - SNELLING CA-  
121 PM PST SUN JAN 4 2026  
 
...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL MERCED COUNTY  
THROUGH 200 PM PST...  
 
AT 121 PM PST, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR  
ATWATER, MOVING NORTHEAST AT 15 MPH.  
 
HAZARD...WIND GUSTS UP TO 40 MPH AND PEA SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS. MINOR HAIL DAMAGE TO VEGETATION IS  
POSSIBLE.  
 
LOCATIONS IMPACTED INCLUDE...  
MERCED, ATWATER, AND WINTON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 
CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF WEAK, BRIEF FUNNEL  
CLOUDS. THIS TYPE OF FUNNEL CLOUD IS HARMLESS, BUT ON RARE OCCASIONS  
THEY CAN BRIEFLY TOUCH DOWN, PRODUCING WIND GUSTS OVER 50 MPH. IF A  
FUNNEL CLOUD IS SPOTTED MOVE INDOORS AND REPORT YOUR SIGHTING TO THE  
NATIONAL WEATHER SERVICE.  
 
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO  
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED  
ROADWAYS.  
 
THIS STORM MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO  
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION  
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.  
 

 
 
LAT...LON 3755 12061 3755 12058 3738 12035 3721 12067  
3728 12071  
TIME...MOT...LOC 2121Z 220DEG 14KT 3728 12064  
 
MAX HAIL SIZE...0.25 IN  
MAX WIND GUST...40 MPH  
 

 
 
JPK  
 
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