WTBW20 VGDC 211450 WHIRLWIND: 21.12.2024,1300 UTC ==================== THE DEPRESSION OVER WESTCENTRAL BAY AND ADJOINING AREA MOVED NORTHEASTWARDS SLOWLY AND NOW LIES OVER THE SAME AREA AND WAS CENTERED AT 21,1200 UTC WITHIN FALF A DEGREE OF LAT 14.3°N, LON 84.8°E (R) LAT 14.3°N, LON 84.8°E. IT IS LIKELY TO WEAKEN GRADUALLY. MAXIMUM SUSTAINED WIND SPEED WITHIN 24 NM OF the DEEP DEPRESSION CENTER IS ABOUT 22 KTS RISING TO 27 KTS IN GUSTS/SQUALLS. SEA WILL REMAIN ROUGH NEAR THE DEEP DEPRESSION CENTER= MARITIME PORTS OF CHATTOGRAM, COX'S BAZAR, MONGLA AND PAYRA HAVE BEEN ADVISED TO KEEP HOISTED DISTANT CAUTIONARY SIGNAL NUMBER ONE (R) ONE=