153  
NWUS56 KSGX 250303  
LSRSGX  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
803 PM PDT THU SEP 24 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON  
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.  
 
..REMARKS..  
 
0445 PM DEBRIS FLOW 2 WNW FOREST FALLS 34.09N 116.94W  
09/24/2026 SAN BERNARDINO CA DEPT OF HIGHWAYS  
 
REPORT OF MUD AND DEBRIS ON VALLEY OF THE  
FALLS DRIVE NEAR FOREST FALLS, RESULTING IN  
ROAD CLOSURES. MILL CREEK ALERT GAUGE NEAR  
FOREST FALLS REPORTED 0.56 IN OF RAIN  
BETWEEN 2-3 PM AND ANOTHER 0.37 IN BETWEEN  
3-4 PM. TIME OF DEBRIS FLOW APPROXIMATED.  
 
 
 
 
 
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