Saturday 13 October 2012

Possible formation of Tropical Storm East of Madagascar


The JTWC has issued the following alert for the possible formation of a tropical cyclone off Madagascar. JTWC warnings upgraded this system to the first numbered storm (01S) of the Southern Indian Ocean tropical season (2012-13).

ABIO10 PGTW 121800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN
/121800Z-131800ZOCT2012//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/121351ZOCT2012//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF
AFRICA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 121500Z TROPICAL CYCLONE (TC) 01S WAS LOCATED NEAR 7.9S
71.0E, APPROXIMATELY 90 NM WEST-SOUTHWEST OF DIEGO GARCIA, AND HAD
TRACKED WEST-SOUTHWESTWARD AT 06 KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SUSTAINED WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45
KNOTS. SEE REF A (WTXS31 PGTW 121500) FOR FURTHER DETAILS.
(2) NO OTHER SUSPECT AREAS.
B. TROPICAL DISTURBANCE SUMMARY: THE AREA OF CONVECTION
PREVIOUSLY LOCATED NEAR 6.8S 72.5E, IS NOW THE SUBJECT OF A TROPICAL
CYCLONE WARNING. SEE PARA 2.A.(1) FOR FURTHER DETAILS.//
NNNN



- JTWC

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