537  
NGUS86 KRSA 182149  
HCMRSA  
 
HYDROMETEOROLOGICAL COORDINATION MESSAGE  
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA  
130 PM PST SUN FEB 18 2018  
 
...SYSTEM TO BRING LIGHT PRECIP AND VERY COLD AIRMASS TODAY AND  
TOMORROW...   
..SECOND SYSTEM EXPECTED THURSDAY
 
 
   
METEOROLOGICAL CONDITIONS (SUN PM - SAT AM)
 
 
SCATTERED SHOWERS HAVE MOVED INTO NORTHERN CA THIS AFTERNOON,  
STRETCHING DOWN THE NORTH COAST INTO THE RUSSIAN, AND INTO THE  
NORTHERN SIERRA. ADDITIONAL SHOWERS CONTINUE TO MOVE THROUGH  
NORTHERN NV ALONG THE I-0 CORRIDOR. EXPECT PRECIP TO CONTINUE  
THROUGH THE EVENING, SLOWLY MOVING SOUTH ALONG THE SIERRA CREST AND  
INTO SOCAL BY MONDAY MORNING. STILL EXPECT TEMPERATURES TO FALL  
DRAMATICALLY OVER THE NEXT 24-HRS, WITH LOW SNOW SHOWERS EXPECTED BY  
MORNING AND COLD MORNING LOWS.  
 
MAIN CHANGES THIS AFTERNOON WERE TO STRIP QPF FROM THE WEDNESDAY  
FORECAST, AS MODELS ARE TRENDING FURTHER OFFSHORE WITH THE UPPER LOW  
MOVING DOWN THE COAST, AND HENCE DRIER. AS FOR THURSDAY, BOTH THE  
12Z GFS AND EC CAME IN WETTER ESPECIALLY ALONG THE SIERRA CREST AND  
SOCAL AS THE NEXT INSIDE SLIDER MOVES THROUGH, AND INCREASED QPF  
ACCORDINGLY.  
 
QPF GRAPHICS ARE AVAILABLE AT WWW.CNRFC.NOAA.GOV/QPF.PHP  
 
*********************** CONTACT INFORMATION ************************  
 
CNRFC OFFICE HOURS PHONE: 1 (916) 979-3056 EXTENSION 330  
AFTER-HOURS CALLING SERVICE: 1 (800) 218-0858  
LEAVE NAME...OFFICE...AND PHONE NUMBER  
 
MEIER  
 

 
 
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