844  
WWUS56 KHNX 140035  
SVSHNX  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA  
535 PM PDT WED SEP 13 2017  
 
CAC039-043-109-140045-  
/O.CON.KHNX.SV.W.0030.000000T0000Z-170914T0045Z/  
MARIPOSA CA-MADERA CA-TUOLUMNE CA-  
535 PM PDT WED SEP 13 2017  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM PDT  
FOR NORTHEASTERN MARIPOSA...NORTHEASTERN MADERA AND SOUTHEASTERN  
TUOLUMNE COUNTIES...  
 
AT 533 PM PDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR GLEN AULIN HIGH  
SIERRA CAMP, MOVING NORTHWEST AT 15 MPH.  
 
HAZARD...HALF INCH HAIL, NOT GOLF BALL SIZE HAIL IS BEING REPORTED.  
HAIL HAS ACCUMULATED TO NEARLY 3 INCHES DEEP.  
 
SOURCE...TRAINED WEATHER SPOTTERS.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE  
TO ROOFS, SIDING, WINDOWS, AND VEHICLES.  
 
LOCATIONS IMPACTED INCLUDE...  
VOGELSANG HIGH SIERRA CAMP, TUOLUMNE HIGH SIERRA CAMP, GLEN AULIN  
HIGH SIERRA CAMP, TUOLUMNE MEADOWS VISITOR CENTER, TUOLUMNE MEADOWS  
CAMPGROUND, TUOLUMNE MEADOWS, TIOGA PASS, DANA MEADOWS AND TENAYA  
LAKE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND  
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM  
WINDOWS.  
 
THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY  
STRUCTURE AND STAY AWAY FROM WINDOWS.  
 

 
 
LAT...LON 3798 11931 3795 11931 3793 11927 3791 11925  
3788 11921 3785 11921 3774 11935 3789 11951  
3799 11933  
TIME...MOT...LOC 0033Z 140DEG 14KT 3796 11942  
 
0.75IN  
<50MPH  
 

 
 
JDB  
 
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