154  
NGUS86 KRSA 061312  
HCMRSA  
 
HYDROMETEOROLOGICAL COORDINATION MESSAGE  
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA  
615 AM PDT SAT JUN 6 2020  
   
..PRECIP POTENTIAL MAINLY NORTHERN AREAS THIS WEEKEND
 
 
   
METEOROLOGICAL CONDITIONS (SAT AM - FRI AM)
 
 
THE UPR LOW FROM OFF THE SOUTHERN CA COAST HAS MOVED INLAND AND IS  
NOW MAKING ITS WAY NORTHEAST VERY NEAR THE LAS VEGAS AREA THIS  
MORNING. AT THE SAME TIME...AN UPR TROF OVER THE NORTHEAST PACIFIC  
IS DIGGING TOWARD THE SOUTHEAST AND WILL SHIFT OVER THE PACIFIC  
NORTHWEST ALONG WITH NORTHERN CA AND NORTHERN NV LATER TODAY INTO  
SUNDAY.  
 
THIS FEATURE MOVING IN FROM THE NORTHEAST WILL BRING THE BEST  
OPPORTUNITY FOR PRECIP OVER THE FORECAST PERIOD ENDING FRIDAY AT  
12Z. BEST AMOUNTS WILL REMAIN NEAR THE CA/OR BORDER AND STRETCH  
ACROSS FAR NORTHERN NV AND THEN DOWN OVER EAST-CENTRAL NV. LIGHTER  
AMOUNTS ARE POSSIBLE ACROSS THE NORTHERN SIERRA. ALONG WITH THE  
POTENTIAL FOR PRECIP...COOLER THAN NORMAL TEMPERATURES WILL BE THE  
RULE BOTH SATURDAY AND SUNDAY WITH THE BOTTOM BEING ON SUNDAY. LOOK  
FOR ANOMALIES NEAR MINUS 10-DEGF FOR SOUTHERN CA ALL THE WAY TO  
MINUS 20-DEGF FOR FAR NORTHERN CA AND THE NORTHERN HALF OF NV.  
 
THE UPR TROF WILL PUSH OFF TOWARD THE EAST ON MONDAY WITH A WEAK UPR  
RIDGE SLIDING ACROSS THE AREA FOR TUESDAY BEFORE SOUTHWEST FLOW  
ALOFT DEVELOPS AHEAD OF ANOTHER UPR TROF OVER THE NORTHEAST PACIFIC  
WEDNESDAY AND THURSDAY.  
 
QPF GRAPHICS ARE AVAILABLE AT WWW.CNRFC.NOAA.GOV/QPF.PHP  
 
*********************** CONTACT INFORMATION ************************  
 
CNRFC OFFICE HOURS PHONE: 1 (916) 979-3056 EXTENSION 338  
AFTER-HOURS CALLING SERVICE: 1 (800) 218-0858  
LEAVE NAME...OFFICE...AND PHONE NUMBER  
 
KOZLOWSKI  
 

 
 
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