Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 250703
SPENES
ZCZC NFDSPENES ALL
SPENES
WYZ000-UTZ000-IDZ000-NVZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 12/25/14 0702Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15: 0645ZDS
AMSU SFR PRODUCT: 0441Z
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LOCATION...W WYOMING...NW/W CENTRAL UTAH...SE IDAHO...NE/E CENTRAL
NEVADA...
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ATTN WFOS...RIW...SLC...PIH...VEF...BOI...LKN...
ATTN RFCS...MBRFC...CBRFC...NWRFC...CNRFC...
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EVENT...MOD-LOCALLY HVY SNOW
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SATELLITE ANALYSIS AND TRENDS...UPPER LVL TROF IS SEEN IN WV IMAGERY
DIGGING SEWD ACROSS THE WRN US BRINGING A THREAT FOR MOD-LOCALLY HVY
SNOWS TO PARTS OF ID/WY/NV/UT. RECENT WV/IR SATL IMAGERY ENHANCEMENT
HAS BEEN TAKING PLACE DURING THE PAST 1-2 HRS ACROSS NE NV/FAR NW UT
AND INTO S CENTRAL/SE ID AS ENERGY ROTATES THROUGH THE BASE OF THE UPPER
TROF. GOOD DIFFLUENCE ALOFT IS INFERRED OVER MUCH OF THE DISCUSSION AREA
BUT APPEARS TO BE MAXIMIZED BASED ON GOES SATL WINDS ALONG THE NV/UT
BORDER CURRENTLY. THIS IS NR THE LOCATION OF AN EWD ADVANCING COLD FRONT
THAT DRAPES SWD FROM A S CENTRAL ID SFC LOW INTO NE NV AND EXTENDING
SWWD ACROSS THE STATE. AN AREA OF STRONG SFC CNVG IS PRESENT JUST AHEAD
OF THE FRONTAL BNDRY INVOF THE UT/ID BORDER TO THE WSW OF THE GREAT SALT
LAKE AS SERLY SFC WINDS OVER PART OF NW UT COLLIDE WITH NWRLY FLOW/CAA
OVER NV. EARLIER 0441Z EXPERIMENTAL AMSU SNOWFALL RATE PASS HAD SHOWN
AN AREA OF MOD-HVY SNOW MOVING ACROSS E CENTRAL NV STRETCHED FROM NRN
NYE COUNTY NE TO S ELKO COUNTY. ESTIMATED AREL AVG SFR`S WERE 0.5"/HR
UP TO 0.8"/HR. FOLLOWING IR TRENDS SINCE THE TIME OF THE PASS SHOWS THIS
BAND OF HEAVIER SNOW HAS SHIFTED NE TWDS THE NW UT/NE NV BORDER AND FAR
SE ID. FURTHER NE ACROSS SE  ID INTO THE MTNS OF FAR W W...AREAL AVG
IN CLOUD SNOWFALL RATES DISPLAYED BY THE PRODUCT WERE ON THE ORDER OF
0.25-0.5"/HR AT BEST.
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AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION
THREAT AREA SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED
BELOW IN APPROXIMATELY 10-15 MINUTES.
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SHORT TERM OUTLOOK VALID 0702-1002Z...MEDIUM-HIGH CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...S/WV TROF SHOULD CONTINUE TO DROP SLOWLY SEWD
ACROSS THE GREAT BASIN OVER THE NEXT FEW HRS BRINGING AREAS OF MOD-LOCALLY
HVY SNOW..ESPECIALLY TO HIGHER TERRAIN OF E NV/UT/SE ID/FAR W WY. BELIEVE
HEAVIEST SNOWS ARE LIKELY TO PROGRESS EWD FROM E CENTRAL/NE NV INTO THE
WASATCH RANGE OF UT..WITH SNOWS EXPANDING SWD ALONG THE WASATCH THROUGH
THE OUTLOOK PERIOD AND BEYOND. LOCALIZED SNOWFALL RATES OF 1"/HR ARE
LIKELY IN THE HIGHER TERRAIN OF THESE AREAS. SOME MOD-LOCALLY HVY SNOWS
ARE ALSO POSSIBLE OVER THE MTNS OF FAR SE ID..NR THE SFC LOW AND ON THE
NRN FRINGE OF THE BEST DIFFLUENCE/CLOUD TOP COOLING.
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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 4463 10995 3913 11161 3806 11450 3880 11665 4400 11361

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