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ZCZC NFDSPENES ALL SPENES HIZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/22/18 1601Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES 15 1R 10.7 15Z; HIMAWARI-8 1530Z; BLTPW 1356Z; FCS . LOCATION...HAWAII... . ATTN WFOS...HFO... ATTN RFCS...AKRFC... . EVENT...HEAVY RAINFALL WITH HURRICANE LANE . SATELLITE ANALYSIS AND TRENDS... AT 5:00 AM HST THE CHPC HAS HURRICANE LANE POSITIONED 15.1N/155.3W MOVG WNW 9 MPH. GOES 15 SATELLITE IMAGERY SHOWS HURRICANE LANE HAS CROSSED 15N/155W AS OF 12Z WITH OUTER BANDS APPROACHING THE HAWAII ISLAND WITH LOCAL 1553Z RADAR INDICATING CLOSE PROXIMITY OF RADAR ECHOES INDICATING APPROACHING HEAVY RAIN. THE LATEST BLENDED TPW SHOWS EXTREME PW QUANTITIES JUST UNDER 3.00 INCHES IN OUTER BANDS APPROACHING THE BIG ISLAND. STRONGER UPSLOPE FLOW IN THE SOUTHEASTERN SIDE OF THE BIG ISLAND OF HAWAII WILL GENERATE TORRENTIAL TROPICAL RAINFALL EFFECTS DUE TO THE OROGRAPHIC ENHANCEMENT. HEAVY RAINFALL IS EXPECTED FOR THE SOUTHERN MOST HAWAIIAN ISLANDS IN THE CHAIN WITH FLASH FLOODING TO BE EXPECTED WITH HURRICANE LANE APPROACHING HAWAII. . 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 1600-2100Z...HIGH CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...EXPECT HEAVY RAIN TO DEVELOP ACROSS THE SOUTHEAST AND EAST PORTIONS OF THE BIG ISLAND. TROPICAL MOISTURE WILL INTERACT WITH THE STRONG LOW LEVEL UPSLOPE FLOW, PRODUCING VERY HEAVY RAINFALL RATES. MORE NUMEROUS BANDS WILL CONTINUE TO INCREASE THE THREAT FOR HEAVY RAIN FOR THE THE OTHER HAWAIIAN ISLANDS INTO AND THROUGHOUT THE OUTLOOK PERIOD. EXPECT HEAVY RAINFALL TO BEGIN SHORTLY. . ....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 2266 15825 2148 15660 1903 15359 1862 15627 2192 16152 2265 15824 . NNNN |
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