Hurricane Katia
Public Advisory 19
000
WTNT32 KNHC 022050
TCPAT2
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 19
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
500 PM AST FRI SEP 02 2011
...KATIA MOVING OVER OPEN ATLANTIC OCEAN WITH 75 MPH WINDS...
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...18.4N 53.5W
ABOUT 630 MI...1015 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 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 500 PM AST...2100 UTC...THE CENTER OF HURRICANE KATIA WAS LOCATED
NEAR LATITUDE 18.4 NORTH...LONGITUDE 53.5 WEST. KATIA IS MOVING
TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/H...AND A MOTION TOWARD THE
WEST-NORTHWEST OR NORTHWEST AT ABOUT THE SAME RATE OF SPEED IS
ANTICIPATED FOR THE NEXT TWO DAYS.
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. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS.
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 WILL BEGIN AFFECTING THE LESSER
ANTILLES BY LATE TODAY. 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...1100 PM AST.
$$
FORECASTER LANDSEA/STEWART
000
WTNT33 KNHC 022051
TCPAT3
BULLETIN
TROPICAL STORM LEE ADVISORY NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL AL132011
400 PM CDT FRI SEP 02 2011
...TROPICAL STORM LEE DRIFTING NORTHWARD TOWARD THE SOUTHERN
LOUISIANA COAST...SQUALLS WITH HEAVY RAIN AND GUSTY WINDS SPREADING
INLAND ACROSS MUCH OF SOUTHEASTERN AND SOUTH-CENTRAL LOUISIANA...
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...27.5N 91.5W
ABOUT 185 MI...295 KM SW OF THE MOUTH OF THE MISSISSIPPI RIVER
ABOUT 220 MI...355 KM SE OF PORT ARTHUR TEXAS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...N OR 355 DEGREES AT 2 MPH...4 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PASCAGOULA MISSISSIPPI WESTWARD TO SABINE PASS TEXAS...INCLUDING
THE CITY OF NEW ORLEANS...LAKE PONTCHARTRAIN...AND LAKE MAUREPAS
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 24 HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY
YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL STORM LEE WAS
LOCATED NEAR LATITUDE 27.5 NORTH...LONGITUDE 91.5 WEST. LEE IS
DRIFTING TOWARD THE NORTH NEAR 2 MPH...4 KM/H. A SLOW AND
POSSIBLY ERRATIC MOTION TOWARD THE NORTHWEST OR NORTH IS EXPECTED
TONIGHT AND SATURDAY. ON THE FORECAST TRACK...THE CENTER OF THE
TROPICAL STORM IS EXPECTED TO APPROACH THE COAST OF SOUTHERN
LOUISIANA DURING THE WEEKEND.
REPORTS FROM OIL RIGS AND AN AIR FORCE RESERVE UNIT RECONNAISSANCE
AIRCRAFT INDICATE MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 45
MPH...75 KM/H...WITH HIGHER GUSTS. GRADUAL STRENGTHENING IS
FORECAST DURING THE NEXT 48 HOURS.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325
KM...MAINLY NORTHEAST THROUGH SOUTHEAST OF THE CENTER. A SUSTAINED
WIND OF 60 MPH WAS RECENTLY OBSERVED ON AN OIL RIG LOCATED ABOUT 65
MILES SOUTH OF THE MOUTH OF MISSISSIPPI RIVER AT AN ALTITUDE A FEW
HUNDRED FEET ABOVE THE OCEAN SURFACE.
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON REPORTS FROM NEARBY
OIL RIGS IS 1003 MB...29.62 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...TROPICAL STORM LEE IS EXPECTED TO PRODUCE TOTAL RAIN
ACCUMULATIONS OF 10 TO 15 INCHES OVER SOUTHERN LOUISIANA...SOUTHERN
MISSISSIPPI...AND SOUTHERN ALABAMA THROUGH SUNDAY...WITH POSSIBLE
ISOLATED MAXIMUM AMOUNTS OF 20 INCHES. THESE RAINS ARE EXPECTED TO
CAUSE EXTENSIVE FLOODING...ESPECIALLY IN URBAN AREAS. RAINFALL
AMOUNTS OF 4 TO 8 INCHES WILL BE POSSIBLE OVER THE FLORIDA
PANHANDLE THROUGH SUNDAY.
STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS
2 TO 4 FEET ABOVE GROUND LEVEL ALONG THE NORTHERN GULF COAST WITHIN
THE TROPICAL STORM WARNING AREA. ELEVATED WATER LEVELS ARE ALSO
POSSIBLE EAST OF THE WARNING AREA OVER COASTAL PORTIONS OF ALABAMA
AND THE FLORIDA PANHANDLE RESULTING IN MINOR COASTAL FLOODING
WITHIN THESE AREAS. SEE PRODUCTS ISSUED BY LOCAL NATIONAL WEATHER
SERVICE FORECAST OFFICES FOR MORE DETAILS.
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO FIRST REACH THE
COAST WITHIN THE WARNING AREA THIS EVENING...MAKING OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS.
TORNADOES...ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER PORTIONS OF
SOUTHERN LOUISIANA AND EXTREME SOUTHERN MISSISSIPPI.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...700 PM CDT.
NEXT COMPLETE ADVISORY...1000 PM CDT.
$$
FORECASTER STEWART
