Tropical Storm Sean

Public Advisory 8A

---

545
WTNT34 KNHC 100540
TCPAT4

BULLETIN
TROPICAL STORM SEAN INTERMEDIATE ADVISORY NUMBER 8A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011
100 AM EST THU NOV 10 2011

...SEAN MOVING NORTHWARD...COULD STILL BECOME A HURRICANE LATER
TODAY...


SUMMARY OF 100 AM EST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...29.9N 70.8W
ABOUT 390 MI...630 KM WSW OF BERMUDA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...N OR 355 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...991 MB...29.26 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BERMUDA

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24
TO 36 HOURS.

INTERESTS IN BERMUDA SHOULD MONITOR PRODUCTS ISSUED BY THE BERMUDA
WEATHER SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 100 AM EST...0600 UTC...THE CENTER OF TROPICAL STORM SEAN WAS
LOCATED NEAR LATITUDE 29.9 NORTH...LONGITUDE 70.8 WEST. SEAN IS
MOVING TOWARD THE NORTH NEAR 8 MPH...13 KM/H. A TURN TOWARD THE
NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED LATER
TODAY...WITH A FURTHER INCREASE IN FORWARD SPEED EXPECTED TONIGHT
AND FRIDAY. ON THE FORECAST TRACK THE CENTER OF SEAN WILL PASS
NORTHWEST OF BERMUDA FRIDAY MORNING.

MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS EXPECTED IN THE NEXT 24 HOURS...AND
SEAN COULD BECOME A HURRICANE LATER TODAY. WEAKENING IS EXPECTED
ON FRIDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED ON BERMUDA BY THURSDAY
EVENING.

RAINFALL...SEAN IS EXPECTED TO PRODUCE 1 TO 3 INCHES OF RAIN ON
BERMUDA.

SURF...SWELLS GENERATED BY SEAN ARE AFFECTING PORTIONS OF THE
SOUTHEASTERN COAST OF THE UNITED STATES AND BERMUDA...CAUSING
LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE SEE STATEMENTS FROM
YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR MORE DETAILS.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...400 AM EST.

$$
FORECASTER BEVEN