966  
NGUS86 KRSA 281502  
HCMRSA  
 
HYDROMETEOROLOGICAL COORDINATION MESSAGE  
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA  
800 AM PDT SUN MAY 28 2017  
 
...AFTERNOON/EVENING SHOWERS POSSIBLE OVER THE SIERRA AND SHASTA  
TRINITY THROUGH MONDAY...  
 
...SHOWERS POSSIBLE OVER PORTIONS OF NORTHERN CA AND NV TUESDAY INTO  
THURSDAY...  
   
METEOROLOGICAL CONDITIONS (SUN AM - SAT AM)
 
 
AN UPPER LEVEL RIDGE WILL BRING WARMER TEMPERATURES (5-15 DEGREES  
ABOVE NORMAL) AND GENERALLY DRY CONDITIONS TODAY AND MEMORIAL DAY.  
SOME INSTABILITY FOR CUMULUS DEVELOPMENT AND POSSIBLE ISOLATED  
SHOWERS AND THUNDERSTORMS OVER THE SIERRA AND THE HIGHER TERRAIN OF  
NORTHERN CA IN THE AFTERNOONS AND EVENINGS.  
 
THE RIDGE SHIFTS EAST TUESDAY AS AND UPPER LEVEL TROUGH MOVES ONTO  
THE COAST AND INLAND WITH A COUPLE WAVES MOVING THROUGH INTO  
THURSDAY BRINGING COOLER TEMPERATURES. SHOWERS ARE POSSIBLE OVER FAR  
NORTHERN CA AND THE SIERRA AND NORTHERN AND CENTRAL NEVADA TUESDAY  
INTO THURSDAY. FRIDAY SHOULD BE WARMER AND DRY WITH A SYSTEM MOVING  
THROUGH THE PACIFIC NORTHWEST (GFS HAS WEAKER AND FARTHER NORTH THAN  
EC).  
 
 
QPF GRAPHICS ARE AVAILABLE AT HTTP://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  
 
OSBORNE  
 

 
 
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