Post by Nws Olney Maryland on Sept 4, 2011 10:01:40 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 22
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST SAT SEP 03 2011
...KATIA BARELY A HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.6N 55.8W
ABOUT 485 MI...785 KM ENE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.21 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 19.6 NORTH...LONGITUDE 55.8 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS GENERAL
MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY WITH KATIA REMAINING
WELL NORTH OF THE LEEWARD ISLANDS.
MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. LITTLE CHANGE IN INTENSITY IS EXPECTED OVER
THE NEXT 24 HOURS OR SO...BUT KATIA COULD STRENGTHEN BY SUNDAY
NIGHT OR MONDAY.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY KATIA ARE AFFECTING THE LESSER ANTILLES
AND COULD BEGIN TO AFFECT BERMUDA BY TONIGHT OR SUNDAY. 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 22
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST SAT SEP 03 2011
...KATIA BARELY A HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.6N 55.8W
ABOUT 485 MI...785 KM ENE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.21 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 19.6 NORTH...LONGITUDE 55.8 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS GENERAL
MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY WITH KATIA REMAINING
WELL NORTH OF THE LEEWARD ISLANDS.
MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. LITTLE CHANGE IN INTENSITY IS EXPECTED OVER
THE NEXT 24 HOURS OR SO...BUT KATIA COULD STRENGTHEN BY SUNDAY
NIGHT OR MONDAY.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY KATIA ARE AFFECTING THE LESSER ANTILLES
AND COULD BEGIN TO AFFECT BERMUDA BY TONIGHT OR SUNDAY. 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.