WHCA31 TAPA
TROPICAL STORM TAMMY WATCH STATEMENT
ANTIGUA AND BARBUDA METEOROLOGICAL SERVICES
2:16 PM ECT THU, OCT 19, 2023
THIS IS FOR ST KITTS AND NEVIS
A HURRICANE WATCH IS NOW IN EFFECT FOR ST. KITT’S AND NEVIS.
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA WITHIN THE NEXT 48 HOURS.
HURRIANCE PREPAREDNESS PLANS SHOULD BE READY, AWAITING
ACTIVATION.
AT 2 PM ECT OR 1800Z THE CENTRE OF TROPICAL STORM TAMMY WAS
LOCATED NEAR LATITUDE 13.5 NORTH, LONGITUDE 56.4 WEST OR
ABOUT 494 MILES EAST-SOUTHEAST OF ST. KITT’S AND NEVIS.
TAMMY IS MOVING TOWARD THE WEST NEAR 14 MILES PER HOUR. A
SLOWER WESTWARD TO WEST-NORTHWEST MOTION IS EXPECTED
THROUGH TONIGHT. A TURN TOWARD THE NORTHWEST IS FORECAST
ON FRIDAY, AND THIS MOTION SHOULD CONTINUE INTO THE
WEEKEND. ON THE FORECAST TRACK, THE CENTRE OF TAMMY WILL
MOVE NEAR OR OVER THE LEEWARD ISLANDS FRIDAY AND
SATURDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH WITH HIGHER GUSTS.
GRADUAL STRENGTHENING IS EXPECTED DURING THE NEXT FEW
DAYS, AND TAMMY IS FORECAST TO BE AT OR NEAR HURRICANE
INTENSITY WHEN IT MOVES NEAR THE LEEWARD ISLANDS.
TROPICAL STORM FORCE WINDS EXTEND UP TO 125 MILES MAINLY TO
THE EAST OF THE CENTRE.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB OR 29.59
INCHES.
BASED UPON THE LATEST OBSERVATION AND ANALYSIS, TROPICAL
STORM TAMMY IS LIKELY TO STRENGTHEN AND BE NEAR HURRICANE
STRENGTH AS IT APPROACHES THE LEEWARD ISLANDS. THE
HURRICANE WATCH MEANS THAT WE ARE EFFECTIVELY PREPARING
FOR HURRICANE CONDITIONS TO BE ACROSS ST. KITT’S AND NEVIS
LATE FRIDAY AND ON SATURDAY. THIS WATCH COULD BE FURTHER
UPGRADED TO A HURRICANE WARNING.
MORE SPECIFIC IMPACTS INCLUDE SUSTAINED TROPICAL STORM
FORCE WINDS OF 70 MILES PER HOUR GUSTING TO 85 MILES PER HOUR
ARE POSSIBLE WITH THE PASSAGE OF TAMMY.
RAINFALL TOTAL IN EXCESS OF 6 INCHES ARE LIKELY. SUCH RAINS
COULD LEAD TO FLASH FLOODING IN LOW LYING AND FLOOD PRONE
AREAS. RESIDENTS IN LOW LYING AND FLOOD PRONE AREAS SHOULD
BE PREPARED TO MOVE TO HIGHER GROUNDS.
MARINERS SHOULD STAY IN PORT AND SEEK SAFE ANCHORAGE. SEAS
BATHERS SHOULD AVOID THE BEACHES AS DANGEROUS SURFS AND
RIP CURRENTS ARE LIKELY WITH THE PASSAGE OF TAMMY.
ALL RESIDENTS ARE URGED TO CONTINUE TO MONITOR THE
MOVEMENT OF TAMMY CLOSELY AND TAKE ACTION TO PROTECT LIFE
AND PROPERTY.
REPEATING THE 2 PM POSITION 13.5 N, 56.4 W. MOVEMENT TOWARD THE
WEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH.
THE MINIMUM CENTRAL PRESSURE IS 1002MB.
THE NEXT ADVISORY WILL BE AT 6PM ECT.
