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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 01/05/08 2359Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-11: 2353Z	DS
NOAA AMSU: 2140Z
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LOCATION...W NEVADA...N/CENTRAL CALIFORNIA...
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ATTN WFOS...VEF...REV...HNX...LOX...MFR...STO...MTR...EKA...
ATTN RFCS...CNRFC...
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EVENT...MOD/LOCALLY HVY SNOWS IN THE SIERRAS..MOD RAIN SHOWERS ELSEWHERE
IN CA
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SATELLITE ANALYSIS AND TRENDS...WITH UPPER TROF AXIS CURRENTLY MOVING
ASHORE ON THE W COAST..ONSHORE FLOW IS STILL PREVALENT IN S OR AND
N/CENTRAL CA. LATEST STLT WINDS SHOW 40-55KTS OF MID LVL WRLY FLOW
COMING INTO THE N/CENTRAL CA COASTAL RANGES AND 25-35KTS OF LOW LVL
WRLY FLOW. VIS IMAGERY SHOWS NUMEROUS WELL SPACED CU WITHIN THE COLD
AIR OFFSHORE AND SOME MORE ORGANIZED CU APPROACHING THE NW COAST THAT
IS ALREADY STARTED TO COME ASHORE IN HUMBOLDT/MENDOCINO COUNTIES AND BY
EXTRAPOLATION SHOULD REACH AS FAR S AS MONTEREY/SAN LUIS OBISPO COUNTIES
OVER THE NEXT FEW HRS. HYDROESTIMATOR IS CURRENTLY SHOWING MAX OFFSHORE
RATES OF .1-.2"/HR SO EXPECT TO SEE SIMILAR RAINFALL AMOUNTS TO THOSE
THAT RECENTLY FELL AS THE FIRST BAND OF CU CAME ASHORE IN THE SF BAY AREA.
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AS THE ONSHORE PUSH OF MOISTURE CONTINUES ACROSS CA..MOD TO HVY SNOWS CAN
BE EXPECTED IN THE HIGHER TERRAIN OF THE SIERRAS WITH ESTIMATED SNOWFALL
RATES OF 2-3"/HR CERTAINLY A POSSIBILITY AT HIGH ELEVATIONS. EXPECT
HEAVIEST SNOWFALL TO OCCUR IN THE CENTRAL AND SRN SIERRAS FOR NEXT 2-4
HRS WHILE CLEARING BETWEEN THE BANDS OF CU IS NOW MOVING ACROSS THE NRN
SIERRAS. LATER AS THE 2ND BAND MOVES IN..THE NRN AND CENTRAL SIERRAS
WILL SEE ANOTHER ROUND OF SNOW.
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LOOKING EVEN FURTHER OUT IN WV IMAGERY..ANOTHER S/WV IS SEEN DROPPING
DOWN THE BACKSIDE OF THE TROF. AMSU PASS SHOWS ONLY A SMALL AREA OF 1"
PW'S WITHIN THE WAVE BUT THE .7-.9" PW VALUES ARE SLIGHTLY HIGHER THAN THE
.5-.7" VALUES IN THE BANDS CURRENTLY MOVING ASHORE. EXTRAPOLATION OF WAVE
PUTS THE LEADING EDGE ALONG THE CENTRAL CA COAST IN ABOUT 6-9 HRS WHICH
SHOULD HELP TO CONTINUE MOD RAIN SHOWERS ACROSS THE LOWER ELEV AND HVY MTN
SNOW IN THE SIERRAS. SEE WEB ADDRESS FOR GRAPHIC ANALYSIS IN ABOUT 15 MIN.
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SEE NCEP HPC DISCUSSION AND QPF/S FOR FORECAST.
....NESDIS IS A MEMBER OF 12 PLANET....
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SSD/SAB WEB ADDRESS FOR PRECIP ESTIMATES:
HTTP://WWW.SSD.NOAA.GOV/PS/PCPN/
...ALL LOWER CASE EXCEPT /PS/PCPN/
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LAT...LON 4154 12552 4093 11938 3643 11751 3504 12231
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