Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 011931
SPENES
ZCZC NFDSPENES ALL
SPENES
AZZ000-UTZ000-NVZ000-CAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/01/15 1931Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15 1922Z KC
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LOCATION...ARIZONA...UTAH...NEVADA...CALIFORNIA...
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ATTN WFOS...FGZ...SLC...VEF...
ATTN RFCS...CBRFC...CNRFC...
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NESDIS IS CONTINUING TO ACCEPT APPEALS ON THE RETIREMENT OF THE SPENES
PRODUCT.  APPEALS CAN BE SUBMITTED BY EMAILING JOHN.SIMKO@NOAA.GOV
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EVENT...HEAVY RAIN THREAT
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SATELLITE ANALYSIS AND TRENDS...LATEST WATER VAPOR IMAGERY DEPICTS
MID-UPPER LVL VORT POSITIONED OVER N BAJA SHIFTING N PROVIDING LARGE SCALE
ASCENT IN THE REGION WHICH IS PAIRING WITH HIGHER TERRAIN CIRCULATIONS TO
ENHANCE CONVECTION. RECENT VIS IMAGERY SHOWS A LOW-LVL CIRCULATION ALONG
THE CA AND NM BORDER JUST EAST OF BLH SLOWLY WORKING ITS WAY TOWARDS
A N-S ORIENTED SURFACE TROUGH IN S NV PER MESOANALYSIS ALLOWING FOR
ADDITIONAL LOW LVL CONVERGENCE. DEEP MOISTURE CONTINUES TO STREAM INTO S
NV FROM THE E PAC ACCORDING TO THE CIRA EXPERIMENTAL LAYERED PW PRODUCT
WITH PW VALUES RANGING UP TO 1.7" IN FAR S NV VIA GPS NETWORK. DAYTIME
HEATING HAS BEEN OBSCURED THIS MORNING BY CLOUD COVER IN FAR S NV/NW NM
AND FAR SW UT BUT THERE IS STILL ENOUGH INSTABILITY TO SUSTAIN DECENT
CONVECTION ESPECIALLY IN AREAS WHERE THERE WAS ONLY CIRRUS CLOUDS SUCH AS
FAR SW UTAH AND N PORTIONS OF CLARK COUNTY NV. REGIONAL VWPS  INDICATE
THAT CONVECTION THAT DEVELOPS WILL HAVE WEAK STORM MOTIONS INCREASING
THE DURATION OF HEAVY RAINFALL. OVER THE NEXT FEW HOURS EXPECT LARGE
SCALE FORCING TO SPREAD NORTH HELPING TO TRIGGER ADDITIONAL CONVECTION
ALTHOUGH LIMITED INSTABILITY COULD POSSIBLY LIMIT THE INTENSITY. ANOTHER
MITIGATING FACTOR IS THE WEAK LOW LVL INFLOW INTO THE AREA BUT GIVEN WEAK
STORM MOTIONS CONVECTION THAT DOES FORM COULD POSE A HEAVY RAIN THREAT.
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....NESDIS IS A MEMBER OF NWSCHAT (NESDISSATELLITEPRECIP)....
....NESDIS IS A MEMBER OF 12 PLANET....
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FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE
PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL
SSDPrecip@noaa.gov
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FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB:
http://www.ospo.noaa.gov/Products/atmosphere/spe/
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FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB:
http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php
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LAT...LON 3747 11410 3710 11319 3601 11299 3515 11332 3473 11404
3524 11517 3596 11582 3680 11600 3736 11526
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