Post by Nws Olney Maryland on Sept 1, 2011 12:37:22 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 14
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST THU SEP 01 2011
...KATIA CONTINUES WESTWARD WITH LITTLE CHANGE IN STRENGTH...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...15.5N 47.5W
ABOUT 1050 MI...1685 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 15.5 NORTH...LONGITUDE 47.5 WEST. KATIA IS
MOVING TOWARD THE WEST NEAR 18 MPH...30 KM/H. A GENERAL MOTION
TOWARD THE WEST-NORTHWEST AND A DECREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 75 MPH...120 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS...AND KATIA COULD BECOME A MAJOR HURRICANE THIS
WEEKEND.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 125
MILES...205 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY KATIA WILL BEGIN AFFECTING THE LESSER
ANTILLES BY LATE FRIDAY. THESE SWELLS ARE LIKELY TO CAUSE
LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM AST.
HURRICANE KATIA ADVISORY NUMBER 14
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST THU SEP 01 2011
...KATIA CONTINUES WESTWARD WITH LITTLE CHANGE IN STRENGTH...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...15.5N 47.5W
ABOUT 1050 MI...1685 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 15.5 NORTH...LONGITUDE 47.5 WEST. KATIA IS
MOVING TOWARD THE WEST NEAR 18 MPH...30 KM/H. A GENERAL MOTION
TOWARD THE WEST-NORTHWEST AND A DECREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 75 MPH...120 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS...AND KATIA COULD BECOME A MAJOR HURRICANE THIS
WEEKEND.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 125
MILES...205 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY KATIA WILL BEGIN AFFECTING THE LESSER
ANTILLES BY LATE FRIDAY. THESE SWELLS ARE LIKELY TO CAUSE
LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM AST.