|
ZCZC NFDSPENES ALL SPENES HIZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/24/18 1831Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES-WEST:1800Z JS . LOCATION...HAWAII... . ATTN WFOS...HFO... ATTN RFCS...APRFC... . EVENT...SATELLITE DISCUSSION CONCERNING HEAVY RAINFALL THREAT FOR THE HAWAIIAN ISLANDS ASSOCIATED WITH THE EFFECTS OF HURRICANE LANE. . SATELLITE ANALYSIS AND TRENDS...SATELLITE IMAGERY AND RECENT INFO FROM CPHC STILL SHOWS A SLOW NORTHWARD MOVEMENT WITH HURRICANE LANE LOCATED VIRTUALLY DUE SOUTH OF OAHU. IR ANIMATION SHOWS A LARGE COLD TOPPED CDO WITH LANE WITH EYE FEATURES NOW NON-EXISTENT IN IMAGERY DESPITE THE APPEARANCE OF SOME EXTREMELY INTENSE CONVECTION NEAR THE CENTER OF CIRCULATION DEPICTED BY VERY COLD/OVERSHOOTING CLOUD TOPS AND A PRONOUNCED CLUSTER OF LIGHTNING IN THE CONTOURED EXPERIMENTAL LIGHTNING STRIKE DENSITY PRODUCT. ANALYSIS ALSO REVEALS A SHEAR ENVIRONMENT CONTINUING AROUND LANE WITH SOME DRY AIR INTRUSION/ENTRAINMENT ALSO OCCURRING WITH EVIDENCE OF SOME OF THAT SEEN IN THE RECENT AMSU MICROWAVE TPW DATA WHICH SHOWS A STRIPE OF RELATIVELY DRIER AIR (LOWER TPW'S) WRAPPING AROUND THE S AND E PERIPHERY OF THE CIRCULATION OF LANE. A RECENT EXAMINATION OF IR/VISIBLE IMAGERY SHOWS IN ADDITION TO THE BROAD CDO AROUND THE CENTER OF LANE, A RATHER PROMINENT BAND IS SEEN WRAPPING AROUND THE SE AND E PERIPHERY OF LANE WITH THE LEADING PART OF THIS BAND MOVING OVER THE S PORTION OF THE BIG ISLAND. ALSO STILL SEEING THE OCCASIONAL FLARE UPS OF MORE ENHANCED ACTIVITY AFFECTING THE N PART OF THE BIG ISLAND WHICH CONTINUES TO CAUSE HYDRO ISSUES OVER PORTIONS OF THAT AREA. THE CONVECTION ASSOCIATED WITH INVEST/TROPICAL DISTURBANCE 95C EAST OF THE BIG ISLAND WHICH HAS BEEN TRACKED FOR A COUPLE OF DAYS OR SO EMANATING FROM THE ITCZ INITIALLY WELL SE OF LANE HAS VIRTUALLY DISSIPATED. . SHORT TERM OUTLOOK VALID 1830-0030Z...MEDIUM TO HIGH CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...DURING THIS TIME PERIOD, STILL EXPECT THE CORE OF THE CDO ASSOCIATED WITH LANE TO REMAIN SOUTH OF THE ISLANDS DUE TO ITS SLOW NORTHWARD MOVEMENT THOUGH OUTER BANDS WILL LIKELY OVERSPREAD MUCH OF THE ISLAND CHAIN WITH SOME ADDED ENHANCEMENT OCCURRING AS IT HAS BEEN ON THE FAVORED TERRAIN IN THIS TYPE OF SETUP. ALSO SEE NO REASON FOR THE SPORADIC FLARE UPS OVER THE N PART OF THE BIG ISLAND TO NOT CONTINUE THROUGH THE OUTLOOK PERIOD LIKELY FURTHER EXACERBATING ISSUES THERE. MAY ALSO NEED TO MONITOR FOR SOME HEAVY RAIN THREAT OVERSPREADING THE S PART OF THE BIG ISLAND INITIALLY WITH AFOREMENTIONED BAND SETTING UP THOUGH RECENT IR TRENDS HAVE SHOWN SOME CLOUD TOP WARMING WITHIN THIS BAND. . ....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 2267 15419 1826 15446 1827 16099 2266 16084 . NNNN |
No Graphics Available
|