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ZCZC NFDSPENES ALL SPENES HIZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 03/29/20 0052Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: 200329/0030 GOES17 CH09 WV_6.9 . LOCATION...HAWAII... . ATTN WFOS...HFO... ATTN RFCS...AKRFC... . EVENT...HEAVY RAINFALL FROM UPPER LEVEL LOW POSSIBLE OVER KAUAI AND OAHU . SATELLITE ANALYSIS AND TRENDS...THE LATEST GOES17 WATER VAPOR IMAGERY OBSERVED AN UPPER LEVEL LOW NORTHWEST OF THE STATE THAT IS TRANSPORTING IN MOIST UNSTABLE AIR INTO THE REGION. THE LATEST UPPER AIR RAOB SOUNDING DATA FROM PHLI OBSERVED SBCAPE GREATER THAN 2300 J/KG AND TPW GREATER THAN 1.00" ALONG WITH LIGHT SOUTHERLY WINDS IN THE MID LEVEL WIND PROFILE. THE LATEST RADAR LOOPS OBSERVED SHOWER ACTIVITY MAINLY OFFSHORE SOUTH OF KAUAI AND TO THE EAST OF OAHU. GOES17 VISIBLE IMAGERY OBSERVED CLEAR SKIES OVER PARTS OF THE ISLAND THAT IS HELPING TO INCREASE INSTABILITY AND OR DESTABILIZE THE ENVIRONMENT OUT AHEAD OF THE UPPER LEVEL OVER NORTHERN PORTIONS OF THE STATE. . AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION THREAT AREA SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED BELOW IN APPROXIMATELY 10-15 MINUTES. . SHORT TERM OUTLOOK VALID 0100-1000Z...LOW CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...CONVECTIVE DEVELOPMENT IS LIKELY ESPECIALLY OVER THE NORTHERN PART OF THE STATE. KAUAI ISLAND OBSERVED HIGHER HOURLY RAINFALL TOTALS EARLIER SO ANY SLOW MOVING CONVECTIVE CELLS THAT PROGRESS OVER KAUAI COULD POSE A FLOOD RISK. THE FORECAST CONFIDENCE IS LOW HOWEVER DUE TO THE EXACT DEVELOPMENT TIME FRAME AND PROGRESSION OF THE CONVECTIVE CELLS OVER KAUAI AND OAHU ISLANDS BUT IS POSSIBLE ESPECIALLY WITH ANY HEAVY CONVECTIVE SLOW MOVING CELLS OVER THE FORECAST PERIOD. . ....NESDIS IS A MEMBER OF NWSCHAT (NESDISSATELLITEPRECIP).... ....NESDIS IS A MEMBER OF 12 PLANET.... . FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL SSDPrecip@noaa.gov . FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB: http://www.ospo.noaa.gov/Products/atmosphere/spe/ . FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB: http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php . LAT...LON 2492 15387 1778 15250 1763 16498 2480 16494 . NNNN |
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