066  
NGUS86 KRSA 271940  
HCMRSA  
 
HYDROMETEOROLOGICAL COORDINATION MESSAGE  
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA  
130 PM PDT MON MAR 27 2017  
   
..DRYING INTO TOMORROW
 
   
..NEXT PRECIP ARRIVES FROM THE NORTHWEST WED INTO THU
 
 
   
METEOROLOGICAL CONDITIONS (SHORT TERM: MON PM - THU AM)
 
 
UPR TROF CONTINUES TO MOVE OFF TOWARD THE EAST WITH THE MOST  
CONCENTRATED PRECIP OVER THE EASTERN HALF OF NV. LOOK FOR PRECIP TO  
TAPER OFF THIS EVENING AS THE UPR TROF AXIS MOVES EAST OF THE AREA  
AND AN UPR RIDGE TO THE SOUTHWEST BUILDS TOWARD THE PACIFIC  
NORTHWEST...WHICH RESULTS IN DRIER NORTHWEST FLOW OVER CA AND  
EVENTUALLY NV.  
 
NEXT MOISTURE PLUME MOVES TOWARD THE PACIFIC NORTHWEST ON WEDNESDAY  
AND THEN SINKS SOUTH AS A S/WV TROF SHIFTS TOWARD THE AREA FROM THE  
NORTHWEST. LIGHT PRECIP EARLY ON WED NEAR THE CA/OR BORDER WILL  
SLOWLY DRIFT SOUTHWARD LATER WED INTO THU.  
 
ONLY MINOR UPDATES FOR THE AFTERNOON QPF ISSUANCE.  
 
   
METEOROLOGICAL CONDITIONS (LONG TERM: THU AM - SUN AM)
 
 
ONLY A FEW MINOR TWEEKS OF A FEW HUNDREDTHS OR LESS TO THE QPF FOR  
THURSDAY AS TROUGH MOVES SOUTHEAST ACROSS THE NORTHERN CA AND THE  
SIERRA ON THURSDAY AND FORMS A CLOSED LOW OVER SOUTHERN NEVADA  
THURSDAY EVENING. THE BIGGEST CHANGE WAS TO INCREASE AMOUNTS A  
LITTLE IN CENTRAL AND EASTERN NEVADA THURSDAY EVENING. NO CHANGES  
TO FRIDAY AS THE LOW PROGRESSES EAST TO THE FOUR CORNERS REGION AND  
PRECIPITATION TAPERS OFF OVER NEVADA. LEFT FORECAST DRY FOR  
SATURDAY WITH UNCERTAINTY IN TIMING AND TRACK OF THE NEXT WAVE. THE  
12Z EC QUICKER AND KEEPING THE WAVE OVER THE PACIFIC NORTHWEST ON  
SATURDAY. THE 12Z GFS IS FASTER AND DEEPER THAN THE 06Z RUN AND HAS  
A SYSTEM OFF THE WEST COAST BY SUNDAY MORNING.  
 
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  
 
KOZLOWSKI/OSBORNE  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab RFC Page Main Text Page