WWIO21 KNES 182059 SATELLITE WEATHER BULLETIN SOUTH INDIAN OCEAN MET-7 IRNIGHT . NOVEMBER 18 2007 2030Z . 13.4S 87.0E T2.0/2.5/W0.5/24HRS LEE-ARIEL (03S) . PAST POSITIONS...13.1S 88.3E 18/0830Z VIS/IRDAY 11.9S 87.1E 17/2030Z IRNIGHT ADDL POSITIONS...13.3S 87.2E 17/1611Z TRMM 85/37 . REMARKS...A NEW CONVECTIVE BURST AT OVERNIGHT CONV. MAXIMA WOULD MEASURE .3 ON LOG10 SPIRAL OR SHEAR METHOD OF .75 DEGREES FROM ACTIVE CONVECTION...RESULTING IN A 2.0 OR 2.5 FOR DT... BUT WILL FAVOR SHEAR PATTERN FOR DT. MET IS SLOW TREND OF WEAKENING IN 24HRS FOR A 2.0. PT IS 2.0. SO FT WILL BE 2.0 BASED ON MET/PT. . POSITION ACCURATE WITHIN 60 NMI. . ---------------- . 8.5S 76.2E T3.0/3.0/D1.0/24HRS 04S . PAST POSITIONS... 7.4S 74.9E 18/0830Z VIS/IRDAY 5.9S 75.0E 17/1430Z IRNIGHT ADDL POSITIONS... 8.2S 75.8E 18/1527Z SSMI 91 8.3S 75.9E 18/1645Z AMSU 89 . REMARKS...MI SHOWS LLC WELL WRAPPED INTO CONVECTIVE BURST...SO STRUCTURE IS MUCH MORE IMPRESSIVE THAN LEE-ARIEL. SHEAR METHOD WOULD YIELD 3.0 THOUGH BANDING IS ONLY .55 FOR 2.5. MET IS 3.0. PT IS 3.0. FT IS 3.0 BASED ON MET/PT. . POSITION ACCURATE WITHIN 60 NMI. . THE NEXT BULLETIN WILL BE ISSUED BY 19/0400Z. . EFFECTIVE 0000 UTC 01 DECEMBER 2007 THE FORMAT OF THIS BULLETIN WILL CHANGE TO CONFORM WITH THAT FOUND IN TPPS10 PGTW. FOR DETAILS SEE http://www.ssd.noaa.gov/PS/TROP/newformat.html ALL LOWER CASE LETTERS EXCEPT PS/TROP. . FOR AREAL DISPLAY OF RAINFALL POTENTIAL SEE OUR WEB SITE AT HTTP://WWW.SSD.NOAA.GOV/PS/TROP/TRAP.HTML ALL LOWER CASE LETTERS EXCEPT PS/TROP . GALLINA . NNNN