Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 031754
SPENES
ZCZC NFDSPENES ALL
SPENES
MIZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/03/15 1754Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-13 1745Z HEEPS
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LOCATION...MICHIGAN...
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ATTN WFOS...DTX...APX...GRR...
ATTN RFCS...NCRFC...
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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...SATELLITE FEATURES FOR LOCALIZED HEAVY RAIN EVENT
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SATELLITE ANALYSIS AND TRENDS...LATEST LARGE SCALE WV IMAGERY SHOW LARGE
SCALE AMPLIFIED RIDGE OVER MUCH OF THE CENTRAL US WITH EMBEDDED PIECES
OF ENERGY DIGGING SE ACROSS THE GREAT LAKES REGION. THE FIRST S/WV IS
MOVING ACROSS THE CENT GREAT LAKES...WITH A SECOND S/WV SLIGHTLY FURTHER
W ACROSS WI. THE FIRST S/WV IS ASSCD WITH A MCS THAT HAS MOVED ACROSS
MI OVER MUCH OF THE MORNING HRS...CURRENTLY HEADING INTO ERN PORTIONS
OF MI. PWS REMAIN HIGH ACROSS MUCH OF THE STATE WITH GPS INFORMATION
INDICATING PWS OF 1.8"-2.0" ACROSS CENT MI. THIS PLUS MORNING RAOBS
THAT SHOWED PWS AT DTX OF 1.5 STD DEV ABOVE NORMAL AND PWS AT APX NEAR
3.0 STD DEV ABOVE NORMAL...COMBINED WITH CONDUCIVE SOUNDINGS FEATURING
DEEPLY LAYERED CAPE AND VERY MOIST COLUMN OUT OF APX...ALL POINT TO
VERY EFFICIENT RAINFALL PROCESSES THAT SHOULD BE IN PLAY THROUGH THE
REGION. MCS AND ASSCD CLOUD ACROSS MUCH OF NRN/CENT MI HAVE ALSO KEPT
THE BEST INSTABILITY DEVELOPMENT FOCUSED IN SRN MI...THOUGH BETTER
INSTABILITY DOES APPEAR TO BE NOSING INTO W MI.
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AS THE SECOND S/WV FEATURE DROPS SE TWRDS MI...THE ASSCD FORCING FOR
ASCENT SHOULD BRING ABOUT FURTHER CONVECTIVE INITIATION AND DEVELOPMENT
OVER THE NEXT SEVERAL HRS ACROSS MUCH OF THE STATE. FOCI FOR INITIATION
MAY RESIDE IN CENT MI WITH THE COLD FRNT THAT IS CURRENTLY ANALYZED OVER
LAKE MICHIGAN...AS WELL AS SRN MI TIED IN WITH THE BEST INSTABILITY. ALSO
AS THE S/WV IN WI DIGS TO THE SE...IT MAY POTENTIALLY CATCH UP TO
INITIAL S/WV IMPULSE WHICH WOULD LIKELY SLOW DOWN OR POTENTIALLY STALL
THE ENERGY AND ASSCD FORCING FOR ASCENT. MESOANALYSIS ALSO DENOTES
MUCH OF THE REGION LOCATED IN A THICKNESS DIFFLUENT REGION. THIS IN
COMBINATION WITH 25 KT WRLY 85H INFLOW FROM KGRR...BEST MOISTURE THRU
CENT MI AND BETTER INSTABILITY BEGINNING TO NOSE SWRN/WRN MI...PERIODS
OF BRIEF BACKBUILDING/TRAINING CONVECTION MAY SET UP ACROSS CENT/SRN MI
TWRDS THE BETTER MOISTURE/INSTABILITY AXIS.
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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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....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 4514 8489 4488 8301 4425 8224 4331 8230 4258 8263
4214 8340 4209 8453 4219 8565 4270 8683 4399 8687
4450 8686 4505 8633
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