Post by Nws Olney Maryland on Sept 9, 2011 15:45:03 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 42
NWS NATIONAL HURRICANE CENTER OLNEY MD AL122011
1100 AM AST THU SEP 08 2011
...KATIA CONTINUES NORTHWARD OVER THE OPEN ATLANTIC...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...33.6N 70.1W
ABOUT 320 MI...515 KM WNW OF BERMUDA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...N OR 5 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* BERMUDA
FOR ADDITIONAL STORM INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY
THE BERMUDA WEATHER SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 33.6 NORTH...LONGITUDE 70.1 WEST. KATIA IS
MOVING TOWARD THE NORTH NEAR 16 MPH...26 KM/H. KATIA IS EXPECTED TO
TURN TOWARD THE NORTHEAST OVER THE NEXT 24 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME SLOW WEAKENING IS FORECAST DURING THE NEXT 48 HOURS
AS KATIA MOVES OVER COOLER WATER.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230
MILES...370 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST
OF THE EAST COAST OF THE UNITED STATES AND BERMUDA. THESE SWELLS
ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT
CONDITIONS. SWELLS ON THE EAST-FACING BEACHES OF THE BAHAMAS ARE
SUBSIDING. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER SERVICE
OFFICE FOR ADDITIONAL INFORMATION.
WIND...TROPICAL-STORM-FORCE WINDS...ESPECIALLY IN GUSTS...ARE
STILL POSSIBLE IN BERMUDA TODAY.
RAINFALL...KATIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
1 TO 2 INCHES ACROSS BERMUDA.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.
HURRICANE KATIA ADVISORY NUMBER 42
NWS NATIONAL HURRICANE CENTER OLNEY MD AL122011
1100 AM AST THU SEP 08 2011
...KATIA CONTINUES NORTHWARD OVER THE OPEN ATLANTIC...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...33.6N 70.1W
ABOUT 320 MI...515 KM WNW OF BERMUDA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...N OR 5 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* BERMUDA
FOR ADDITIONAL STORM INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY
THE BERMUDA WEATHER SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 33.6 NORTH...LONGITUDE 70.1 WEST. KATIA IS
MOVING TOWARD THE NORTH NEAR 16 MPH...26 KM/H. KATIA IS EXPECTED TO
TURN TOWARD THE NORTHEAST OVER THE NEXT 24 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME SLOW WEAKENING IS FORECAST DURING THE NEXT 48 HOURS
AS KATIA MOVES OVER COOLER WATER.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230
MILES...370 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST
OF THE EAST COAST OF THE UNITED STATES AND BERMUDA. THESE SWELLS
ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT
CONDITIONS. SWELLS ON THE EAST-FACING BEACHES OF THE BAHAMAS ARE
SUBSIDING. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER SERVICE
OFFICE FOR ADDITIONAL INFORMATION.
WIND...TROPICAL-STORM-FORCE WINDS...ESPECIALLY IN GUSTS...ARE
STILL POSSIBLE IN BERMUDA TODAY.
RAINFALL...KATIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
1 TO 2 INCHES ACROSS BERMUDA.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.