Severe Tropical Cyclone Yasi : from 30 January

Theres a new tropical low formed near Fiji.

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Jan 27/0002 UTC 2011 UTC.

SEVERE TROPICAL CYCLONE WILMA CENTRE 930HPA CATEGORY 4 WAS LOCATED
NEAR 24.9S 173.7E AT 262100 UTC. POSITION GOOD. CYCLONE MOVING
WEST-SOUTHWEST AT 11 KNOTS. SST AROUND 27 DEGREES CELCIUS.

TC WILMA HAS MOVED OUT OF RSMC NADI AREA OF RESPONSIBILTY AND THERE
WOULD BE NO MORE FORECAST FOR THIS SYSTEM.

TROPICAL DISTURBANCE TD09F CENTRE 1005HPA WAS LOCATED NEAR 14.5S
176.8W AT 262100 UTC SLOW MOVING. POSITION POOR BASED ON IR/VIS
IMAGERY WITH ANIMATION AND PERIPHERAL SURFACE OBSERVATIONS. SST
AROUND 30 DEGREE CELCIUS.

ORGANISATION HAS NOT INCREASED IN THE LAST 12 HOURS. CONVECTION HAS
BEEN PERSISTENT IN THE PAST 24 HOURS WITH LLCC DIFFICULT TO LOCATE.
SYSTEM LIES ALONG A SURFACE TROUGH AND UNDER AN UPPER LEVEL DIFFLUENT
REGION, IN A LOW TO MODERATE SHEARED ENVIRONMENT. CYCLONIC
CIRCULATION EXTENDS TO 500HPA.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND SLOWLY MOVE IT
SOUTHWESTWARDS WITH SOME INTENSIFICATION.

THE POTENTIAL FOR TD09F TO DEVELOP INTO A TROPICAL CYCLONE IN THE
NEXT 24 TO 48 HOURS IS LOW TO MODERATE.

NO OTHER SIGNIFICANT TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE
AREA.

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