Please allow time for floater to build.
• STORM FLOATER •
B () PUBLIC ADVISORY # FORCE THIRTEEN , ...... ...THIS IS THE FINAL ADVISORY... SUMMARY OF INFORMATION ----------------------------------- LOCATION...NEAR MAXIMUM SUSTAINED WINDS...MPH...KM/H MINIMUM CENTRAL PRESSURE...MB WATCHES AND WARNINGS ----------------------------------- There are no coastal watches or warnings in effect.
DISCUSSION FROM RSMC ----------------------------------- THE DEEP DEPRESSION OVER NORTHWEST & ADJOINING NORTHEAST BAY OF BENGAL MOVED WEST-NORTHWESTWARDS DURING PAST 06 HOURS WITH A SPEED OF 14 KMPH AND LAY CENTERED AT 1200 UTC OF TODAY, THE 19TH AUGUST, 2022 OVER NORTHWEST BAY OF BENGAL NEAR LATITUDE 21.5ON AND LONGITUDE 88.1OE, ABOUT 20 KM SOUTH OF SAGAR ISLANDS (42903), 60 KM EAST-SOUTHEAST OF DIGHA (42901) AND 120 KM EAST OF BALASORE (42895). CONTINUING TO MOVE WEST-NORTHWESTWARDS, THE SYSTEM CROSSED WEST BENGAL AND ADJOINING NORTH ODISHA COASTS BETWEEN BALASORE (42895) AND SAGAR ISLANDS (42903), CLOSE TO DIGHA (42901) DURING 1330 UTC TO 1430 UTC OF 19TH AUGUST. ASSOCIATED MAXIMUM SUSTAINED WIND SPEED IS 30 KNOTS GUSTING TO 40 KNOTS. ESTIMATED CENTRAL PRESSURE IS ABOUT 988 HPA AROUND SYSTEM CENTRE OVER NORTHWEST BAY OF BENGAL. 24 HOUR PRESSURE FALL OF 5-8 HPA IS REPORTED ALONG WEST BENGAL-NORTH ODISHA COASTS AND THE MAXIMUM PRESSURE DEPARTURE IS OBSERVED OVER DIGHA (42901) AND DIAMOND HARBOUR (42811) ARE MINUS 12.5.0 HPA AND MINUS 13.9 HPA, RESPECTIVELY. LOWEST MEAN SEA LEVEL PRESSURE IS REPORTED OVER DIGHA (988.7 HPA) WITH 24 HOUR PRESSURE CHANGE OF MINUS 8.0 HPA. SEA CONDITION IS LIKELY TO BE ROUGH TO VERY ROUGH OVER NORTH BAY OF BENGAL AND ALONG & OFF WEST BENGAL, ODISHA AND BANGLADESH COASTS TILL 1200 UTC OF 20TH AUGUST. AS PER INSAT 3D IMAGERY AT 1200 UTC, INTENSITY OF THE SYSTEM IS CHARACTERISED AS T 2.0. SCATTERED TO BROKEN LOW AND MEDIUM CLOUDS WITH EMBEDDED INTENSE TO VERY INTENSE CONVECTION LAY OVER NORTH AND ADJOINING CENTRAL BAY OF BENGAL. MINIMUM CLOUD TOP TEMPERATURE IS MINUS 93OC. AS PER MULTISAT WINDS AT 1200 UTC, STRONGER WINDS ARE PREVAILING IN THE NORTHEAST & NORTHWEST SECTORS OF THE SYSTEM OVER NORTH BAY OF BENGAL & ADJOINING WEST BENGAL & BANGLADESH COASTS. MADDEN JULIAN OSCILLATION (MJO) INDEX IS CRRENTLY IN PHASE 1 WITH AMPLITUDE MORE THAN 1. IT IS LIKELY TO CONTINUE IN SAME PHASE DURING NEXT 2-3 DAYS. CURRENT CONDITIONS INDICATE THAT THE SYSTEM OVER NORTHWEST BAY OF BENGAL IS IN FAVOURABLE ENVIRONMENT WITH SEA SURFACE TEMPERATURE OF ABOUT 29-30OC OVER NORTH BAY OF BENGAL. OCEAN THERMAL ENERGY IS ABOUT 35-50 KJ/CM2 NEAR SYSTEM CENTRE. LOW LEVEL RELATIVE VORTICITY IS AROUND 220X10-6 S-1 TO THE SOUTHWEST OF SYSTEM CENTRE. LOW LEVEL CONVERGENCE IS ABOUT 20X10-5 S-1 TO THE SOUTH OF SYSTEM CENTRE. UPPER LEVEL DIVERGENCE IS ABOUT 10X10-5 S-1 TO THE EAST OF THE SYSTEM CENTRE AS WELL AS OVER AN EXTENDED ZONE TOWARDS WEST AND ASSOCIATED WESTWARD OUTFLOW IS PREVAILING IN UPPER LEVELS. VERTICAL WIND SHEAR IS AROUND 20 KNOTS NEAR THE SYSTEM CENTER AND HIGH ABOUT 25-30 KNOTS ALONG THE FORECAST TRACK. MOST OF THE NUMERICAL MODELS INDICATE THAT THE SYSTEM WOULD MAINTAIN ITS INTENSITY AND MOVE WEST-NORTHWESTWARDS DURING NEXT 24 HOURS. IN VIEW OF ALL THE ABOVE, THE SYSTEM IS LIKELY TO MOVE WEST-NORTHWESTWARDS ACROSS WEST BENGAL, NORTH ODISHA AND JHARKHAND TOWARDS NORTH CHHATTISGARH DURING NEXT 24 HOURS AND WEAKEN GRADUALLY.
LOCAL AND OFFICIAL SOURCES BELOW Indian Meteorological Department $$ Forecaster
