Monday, 25 February 2013

Current Southern Hemisphere Tropical Systems: Final Update - Tropical Cyclone 16S (Haruna) Warning




250300Z POSITION NEAR 26.9S 58.0E.
TROPICAL CYCLONE (TC) 16S (HARUNA), LOCATED APPROXIMATELY 360 NM 
SOUTH-SOUTHWEST OF LA REUNION, HAS TRACKED EAST-NORTHEASTWARD AT 15 
KNOTS OVER THE PAST SIX HOURS. ANIMATED INFRARED SATELLITE IMAGERY 
DEPICTS AN EXPOSED LOW-LEVEL CIRCULATION CENTER WITH NO DEEP 
CONVECTION. A 242151Z AMSU IMAGE DEPICTS BROAD, SHALLOW CONVECTIVE 
BANDING WRAPPING INTO A WEAK LLCC. A 241751Z ASCAT IMAGE SHOWED ONLY 
30 TO 35 KNOT WINDS OVER THE WESTERN SEMI-CIRCLE. TC 16S IS EMBEDDED 
WITHIN AN UPPER-LEVEL SUBTROPICAL SHORTWAVE TROUGH AND APPEARS TO BE 
A SUBTROPICAL SYSTEM WITH A DRY SLOT WRAPPING AROUND AND INTO THE 
LLCC IN THE LATEST TOTAL PRECIPITABLE WATER IMAGERY. THE SYSTEM IS 
EXPECTED TO WEAKEN BELOW 35 KNOTS BY TAU 12 WHILE TRACKING EAST-
NORTHEASTWARD. THE REMNANTS ARE FORECAST TO TRACK WESTWARD AS A 
STRONG HIGH BUILDS SOUTH OF THE SYSTEM. THIS IS THE FINAL WARNING ON 
THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM 
WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM 
SIGNIFICANT WAVE HEIGHT AT 250000Z IS 13 FEET.

- JTWC + Eumetsat

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