North Indian Ocean, TC03A, Karachi Pakistan Under-the-Gun
Posted by JAC on 6/1/2010, 9:02 am
TROPICAL CYCLONE (TC) 03A, LOCATED APPROXIMATELY 560 NM SOUTH-
SOUTHWEST OF KARACHI, PAKISTAN, HAS TRACKED NORTH-NORTHWESTWARD
AT 06 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY INDICATES THAT TC 03A HAS CONTINUED TO DEVELOP WITH
IMPROVED CONVECTIVE BANDING WRAPPING INTO A LOW LEVEL CIRCULATION
CENTER (LLCC) AND A 010235Z TRMM MICROWAVE IMAGE DEPICTS A MICROWAVE
EYE. WITH IMPROVED CERTAINTY IN POSITION, TC 03A HAS BEEN RELOCATED
WESTWARD OF THE PREVIOUS TRACK POSITION. THE INITIAL INTENSITY WAS
SLIGHTLY HIGHER THAN A PGTW DVORAK ESTIMATE OF 45 KNOTS AND
INDICATES TC 03A HAS INTENSIFIED FASTER THAN PREVIOUSLY ANTICIPATED.
UPPER LEVEL DIVERGENCE IS PROVIDING GOOD RADIAL OUTFLOW ALOFT AND
VERTICAL WIND SHEAR (VWS) HAS DECREASED TO 10 TO 15 KNOTS. TC 03A
CONTINUES TO TRACK NORTH-NORTHWESTWARD ALONG THE WESTERN PERIPHERY
OF A SUBTROPICAL RIDGE (STR) AND WILL BEGIN TO TURN NORTHWARD AS IT
ROUNDS THE STR AXIS. BY TAU 72, TC 03A SHOULD TURN NORTHEASTWARD AND
ACCELERATE AS THE SYSTEM CRESTS THE STR AXIS AND MOVES UNDER THE
INFLUENCE OF A DEEPENING MID-LATITUDE SHORTWAVE TROUGH. THE MAJORITY
OF THE MODEL GUIDANCE SUPPORTS THIS TRACK WITH THE EXCEPTION OF
WBAR, WHICH SHOWS A SLOW WESTWARD TRACK. TC 03A WILL CONTINUE TO
INTENSIFY, UNTIL BY TAU 96, WHEN TC 03A IS EXPECTED TO MAKE
LANDFALL. THE SYSTEM WILL WEAKEN RAPIDLY AND DISSIPATE OVER LAND BY
TAU 120. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 19 FEET.


















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North Indian Ocean, TC03A, Karachi Pakistan Under-the-Gun - JAC, 6/1/2010, 9:02 am
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