HYDROMETEOROLOGICAL DISCUSSION

 
 AGUS76 KRSA 231515
 HMDRSA
 
 HYDROMETEOROLOGICAL DISCUSSION
 NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA
 930 AM PST MON NOV 23 2009
 
 ...HIGH PRESSURE TO BRING DRY CONDITIONS...
 
 .24 HOUR PRECIPITATION TOTALS (ENDING NOV 23 AT 400 AM PST)...
 
 THE SOUTHERN END OF A COLD FRONT BRUSHED THE NORTHERN PORTION OF THE 
 FORECAST AREA...BRINGING LIGHT RAINFALL AMOUNTS AROUND 0.1" OR LESS 
 TO COASTAL SECTIONS NORTH OF THE SF BAY AREA.  PRECIP ON THE WEST 
 SLOPES OF THE NORTHERN SIERRAS AND THE SRN CASCADES WAS GENERALLY 
 AROUND 0.1" OR LESS IN MOST LOCATIONS...WITH ISOLATED AREAS 
 RECEIVING 0.3" OR SLIGHTLY HIGHER.  THE FAR NORTHERN PORTION OF 
 NEVADA ALSO PICKED UP A FEW HUNDREDTHS FROM THIS SYSTEM WITH LOCALLY 
 HIGHER AMOUNTS.
 
 .METEOROLOGICAL CONDITIONS...
 
 UPR RIDGE BUILDING ACROSS THE WEST COAST THIS MORNING WILL PERSIST 
 THROUGH MID-WEEK...BRINGING DRY CONDITIONS TO THE REGION. NEXT WEAK 
 SYSTEM SHOWS UP ALONG COASTAL SECTIONS EITHER ON THANKSGIVING DAY 
 (PER THE 27/00Z GEM)...OR ON FRIDAY ACCORDING TO THE 27/00Z GFS AND 
 EC. FOR NOW...WOULD LEAN TOWARD THE SLOWER SOLUTION...AS THIS HAS 
 BEEN MORE CONSISTENT. ALSO...THE EC IS THE WEAKEST WHILE THE GFS AND 
 GEM ARE THE STRONGEST AND FURTHEST SOUTH. 
 
 
 DAY 1 QPF (MON 23/12Z TO TUE 24/12Z): DRY.
 
 DAY 2 QPF (TUE 24/12Z TO WED 25/12Z): DRY.
 
 DAY 3 QPF (WED 25/12Z TO THU 26/12Z): DRY.
 
 
 .HYDROLOGICAL CONDITIONS...
 
 LITTLE CHANGE ON THE RIVERS AND STREAMS IS EXPECTED THROUGH THE
 WEEK AS THE DRIER WEATHER PREVAILS.
 
 
 MORE INFORMATION ON THE CNRFC WEBSITE AT HTTP://WWW.CNRFC.NOAA.GOV
 
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