506  
AGUS76 KRSA 171335  
HMDRSA  
 
HYDROMETEOROLOGICAL DISCUSSION  
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA  
640 AM PDT THU APR 17 2025  
   
..SHOWERS CONTINUE TODAY AND FRIDAY
 
   
..SOMEWHAT WARMER AND DRIER INTO NEXT WEEK
 
 
   
METEOROLOGICAL CONDITIONS (THU AM - WED AM)
 
 
THE UPR LOW SITUATED IN THE VICINITY OF POINT CONCEPTION OVER THE  
PAST COUPLE DAYS IS BEGINNING TO SLOWLY MAKE ITS WAY TO THE EAST AS  
AN OPEN S/WV TROF...AND IS EXPECTED TO PHASE WITH A S/WV TROF  
DROPPING SOUTHWARD THROUGH THE INTERIOR OF THE PACIFIC NORTHWEST  
TOWARD THE GREAT BASIN. THIS WILL BRING ANOTHER DAY OF SHOWERS AND  
POSSIBLE T-STORMS OVER THE CENTRAL/SOUTHERN SIERRA ALONG WITH LIGHT  
PRECIP ACROSS COASTAL SOUTHERN CA AND SOUTHERN/EASTERN NV. THEN WITH  
UPR TROFFING REMAINING IN PLACE ACROSS THE GREAT BASIN AND ROCKY  
MOUNTAIN STATES...WITH CYCLONIC NORTHERLY FLOW OVER CA AND NV THERE  
MAY BE ONE LAST DAY OF SCATTERED SHOWERS OVER THE SOUTHERN SIERRA  
DOWN OVER PORTIONS OF COASTAL SOUTHERN CA AND POINTS EAST OVER  
SOUTHERN/EASTERN NV.  
 
GENERAL RIDGING WILL MOVE OVERHEAD ON SATURDAY...BUT WILL NOT BE  
OVERLY STRONG AS WEAKER DISTURBANCES MOVE THROUGH THE WESTERLY FLOW  
ALOFT TOWARD THE PACIFIC NORTHWEST...POTENTIALLY CLIPPING THE  
NORTHERN PART OF THE AREA WITH A FEW LIGHT SHOWERS POSSIBLE.  
TEMPERATURES SHOULD REBOUND TO ABOUT PLUS 5- TO PLUS 10-DEGF ABOVE  
SEASONAL NORMALS.  
 
QPF GRAPHICS ARE AVAILABLE AT WWW.CNRFC.NOAA.GOV/QPF.PHP  
 
KOZLOWSKI  
 

 
 
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