Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 260925
SPENES
ZCZC NFDSPENES ALL
SPENES
PAZ000-MDZ000-WVZ000-OHZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 01/26/15 0924Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-13: 0915ZDS
NESDIS SNOWFALL RATE PRODUCT: ~07Z
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LOCATION...SW/S CENTRAL AND CENTRAL PENNSYLVANIA...W MARYLAND...N WEST
VIRGINIA...
LOCATION...SE OHIO...
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ATTN WFOS...PHI...CTP...LWX...PBZ...
ATTN RFCS...MARFC...OHRFC...
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EVENT...INCRSG COVERAGE OF LGT-MOD SNOW
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SATELLITE ANALYSIS AND TRENDS...WV IMAGERY DECPICTS SVRL FEATURES OF
INTEREST ACROSS THE MID-ATLANTIC REGION...POSITIVELY TILTED MID-UPPER
LVL TROF AXIS EXTENDING SW FROM S CENTRAL NY TO THE GULF COAST...MID-LVL
VORT ROTATING ENEWD FROM THE KY/TN BORDER TWDS FAR SW VA..AND AN THE
OLD DEFORMATION ZONE N OF THIS VORT FROM SW OH STRETCHING ACROSS PA TO
N NJ/SE NY. WHILE THE DEFOMATION ZONE PRECIP HAS BEEN DECAYING OVER
THE PAST FEW HRS..A LOBE OF STRONGER ENERGY HAS BEEN ROTATING NWD TO
THE NE OF THE VORT ENTERING SW VA. THIS HAS INCRSD PRECIPITATION ACROSS
S/CENTRAL WV AND VA OVER THE LAST FEW HRS AND IS BEGINNING TO SHAPE/FOCUS
A NEW DEFORMATION ZONE FROM CENTRAL WV TO CENTRAL PA. RECENT EXPERIMENTAL
NESDIS SNOWFALL RATE PRODUCT (AVAILABLE AT CICS.UMD.EDU/SFR/ OR THROUGH
NASA SPORT`S WEBSITE) FROM 07Z INDICATED LIQUID EQUIVALENT MAX AREAL AVG
IN CLOUD RATES OF ROUGHLY 0.02-0.03"/HR OR 0.2-0.3"/HR SFR`S ACROSS SW TO
CENTRAL PA ASSCD WITH THE OLD DEFORMATION BAND AND SIMILAR RATES..THOUGH
MUCH MORE LOCALIZED OVER HIGHER ELEVATIONS OF ERN WV ASSCD WITH THE S/WV
ENERGY LIFTING N.
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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 0930-1230Z...MEDIUM CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...IR CLOUD TOPS HAVE STARTED TO SHOW A SLIGHT
COOLING TREND OVER THE PAST 1-2 HRS OVER N WV/W MD/SW PA AS LIFT FROM
THE S/WV ENERGY STARTS TO ENHANCE PRECIP. HOWEVER..WITH FRONTAL BNDRY
DRAPED E-W ACROSS THE REGION AND ALMOST NO BELOW FRZG SFC TEMPS S OF
THE MASON DIXON LINE..THE BETTER CHC FOR MOD SNOWS APPEARS TO BE OVER
SW-S CENTRAL/CENTRAL PA AS THE S/WV LIFT ROTATES NWD OVER THE NEXT FEW
HRS WITH SFR`S OF ABOUT 0.5"/HR POSSIBLE. WITH THE COLDER AIR BEHIND THE
MID-UPPER LVL TROF AXIS SLOWLY PRESSING E ACROSS SW PA/NRN WV/W MD AND
TD`S NR FRZG..THE DVLPG PRECIP MAY BE HVY ENOUGH TO FORCE P-TYPE TO BE
SNOW ACROSS THESE AREAS FOR A BRIEF PERIOD BEFORE WAA/SRLY FLOW IMPINGES
NWD CAUSING MIXING OF PTYPES.
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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 4108 7773 4064 7589 3968 7710 3932 7912 3975 8107

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