NOAA Office of Satellite and Product Operations
Satellite Precipitation Message

ZCZC NFDSPENES ALL
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HIZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 01/24/18 0230Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES 15 0200Z; HIGH DENSITY WINDS 00Z; SSMIS/AMSU 0130Z; FCS
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LOCATION...HAWAII...
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ATTN WFOS...HFO...
ATTN RFCS...AKRFC...
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EVENT...HEAVY RAIN POTENTIAL ON THE BIG ISLAND...HAWAII ISLAND
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SATELLITE ANALYSIS AND TRENDS...THE LATEST TRENDS IN CLOUD DEVELOPMENT ON SATELLITE IMAGERY INDICATES A POTENTIAL HEAVY RAINFALL EVENT FOR THE EASTERN HALF OF THE BIG ISLAND OF HAWAII...BALLOON SOUNDINGS AT 00Z HILO INDICATED A DEEP LAYER OF MOISTURE WITH LITTLE SEPARATION BETWEEN TEMPERATURE AND DEW POINT FROM THE SURFACE TO 360MB, PRECIPITABLE WATER EXCEEDING 2.0 INCHES, A BUOYANT LIFTED INDEX OF -6C, AND CAPE OF 738 J/KG. AN UPPER LEVEL TROUGH IS TO THE WEST OF THE BIG ISLAND OF HAWAII WITH THE RIGHT ENTRANCE REGION OF A JET STREAK FAVORABLY-LOCATED TO GENERATE LIFT. DIVERGENCE ALOFT PRODUCED BY INCREASING DOWNSTREAM WIND VELOCITIES THAT APPROACH AN UPPER LEVEL RIDGE CENTERED NEAR 140W LONGITUDE AT THE CENTER OF THE 120 KT JET MAX NEAR 25N/140W WILL PROVIDE GOOD UPWARD VERTICAL VELOCITIES FOR DEEP LAYERED MOISTURE AND UNSTABLE AIR TO BE LIFTED BY ATMOSPHERIC DYNAMICS. A LARGE SCALE WAVE ANALYZED SOUTH OF THE HAWAII USING THE LATEST IMAGERY IS ALSO POSITIVE INDICATION OF THE POTENTIAL FOR LARGE SCALE DEVELOPMENT OF UPWARD MOTION IN THE ATMOSPHERE.
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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 0230-0630Z...HIGH CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...A COMBINATION OF FACTORS MENTIONED IN THE ANALYSIS AND TRENDS PORTION OF THIS DISCUSSION WILL POTENTIALLY UNFOLD INTO A FLOODING EVENT FOR THE BIG ISLAND OS HAWAII, ESPECIALLY ON THE EASTERN SIDE OF THE ISLAND WITH UPSLOPE ENHANCEMENT OF PRECIPITATION LEADING TO VERY HEAVY RAINFALL WITH A RISK OF FLASH FLOODING ALONG STREAMS AND IN CANYONS AS WELL AS POPULATED COASTAL TOURIST AREAS.
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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 2278 15812 2265 15691 2071 15744 2093 15870
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No Graphics Available