"98A" is still a Low pressure system and very slowly it has moved N-N-E. No intensification so far.
JTWC and other weather models predict that the system can become into a Cyclone in another 48 hrs.
JTWC warning and Map
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COLA model suggests a North direction movement towards Gujarat and then move West.
COLA suggests a Cyclone size intensification on 12-Jun-2011.
IMD model also suggests more-or-less the same route, while this model did not see any Cyclone formation in another 48 hrs.
Monsoon current along S-W peninsula coast is subdued due to the presence of this system. It's expected to revive over Kerala, Karnataka coast from 14-Jun-2011.
JTWC and other weather models predict that the system can become into a Cyclone in another 48 hrs.
JTWC warning and Map
=====================
THE AREA OF CONVECTION PREVIOUSLY LOCATED AT 18.7N 69.8E IS NOW LOCATED NEAR 18.4N 70.3E, APPROXIMATELY 150 NM WEST- SOUTHWEST OF MUMBAI, INDIA. ANIMATED INFRARED SATELLITE IMAGERY SHOWS AN AREA OF CONVECTION ALONG THE SOUTHWESTERN PERIPHERY OF A LOW LEVEL CIRCULATION CENTER (LLCC) THAT HAS PERSISTED FOR SEVERAL DAYS. THE DEEPEST CONVECTION IS LOCATED JUST WEST OF THE LLCC WITH A SHALLOWER AREA OF CONVECTION TO THE EAST. A 09/1651Z METOP-A 89 GHZ MICROWAVE SATELLITE IMAGE ALSO DEPICTS CONVECTION ALONG THE WESTERN AND SOUTHERN QUADRANTS. A 09/1714Z ASCAT PASS SHOWS A STRONG (30-35 KNOT) SOUTHWESTERLY SURGE ENHANCING CONVECTION IN THE SOUTHERN AND WESTERN QUADRANTS. RECENT WATER VAPOR IMAGERY SHOWS FAVORABLE ZONAL AND EQUATORWARD OUTFLOW, HOWEVER POLEWARD OUTFLOW CONTINUES TO BE SUPPRESSED BY AN UPPER LEVEL TROUGH EXTENDING FROM JUST NORTH OF THE SYSTEM INTO THE HIMALAYAS. THIS TROUGH IS EXPECTED TO TRAVERSE THE REGION IN THE NEXT 24 HOURS, RESULTING IN A GRADUAL DECREASE IN SUBSIDENCE. THE 09/12Z UPPER AIR STREAMLINE ANALYSIS INDICATES THIS SYSTEM IS LOCATED BENEATH A RIDGE AXIS IN A REGION OF 10-20 KNOTS OF VERTICAL WIND SHEAR. THE LLCC IS GRADUALLY DRIFTING EASTWARD WITHIN A WEAK STEERING ENVIRONMENT. MEAN SEA LEVEL PRESSURE AT MUMBAI, INDIA HAS REMAINED STEADY AT 100O MB DURING THE PAST 24 HOURS. MAXIMIMUM SUSTAINED WINDS ARE ESTIMATED AT 18-23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 999 MB. DUE TO CONTINUED FAVORABLE ENVIRONMENTAL CONDITIONS, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS HIGH
COLA model suggests a North direction movement towards Gujarat and then move West.
COLA suggests a Cyclone size intensification on 12-Jun-2011.
IMD model also suggests more-or-less the same route, while this model did not see any Cyclone formation in another 48 hrs.
Monsoon current along S-W peninsula coast is subdued due to the presence of this system. It's expected to revive over Kerala, Karnataka coast from 14-Jun-2011.
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