Hurricane Isaac
Public Advisory 39
754
WTNT31 KNHC 302030
TCPAT1
BULLETIN
HURRICANE KIRK ADVISORY NUMBER 9
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112012
500 PM AST THU AUG 30 2012
...KIRK RAPIDLY STRENGTHENING OVER THE OPEN ATLANTIC...
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...28.2N 50.3W
ABOUT 1065 MI...1715 KM NE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 1505 MI...2420 KM WSW OF THE AZORES
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...982 MB...29.00 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 KIRK WAS LOCATED
NEAR LATITUDE 28.2 NORTH...LONGITUDE 50.3 WEST. KIRK IS MOVING
TOWARD THE NORTH-NORTHWEST NEAR 13 MPH...20 KM/H...AND THIS MOTION
IS EXPECTED TO CONTINUE TONIGHT. A TURN TOWARD THE NORTH IS EXPECTED
ON FRIDAY...FOLLOWED BY AN ACCELERATION TO THE NORTH-NORTHEAST
FRIDAY NIGHT.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 90 MPH...150 KM/H...
WITH HIGHER GUSTS. KIRK IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING
THE NEXT COUPLE OF DAYS...AND KIRK COULD BECOME A CATEGORY TWO
HURRICANE ON FRIDAY.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70
MILES...110 KM.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 PM AST.
$$
FORECASTER STEWART
498
WTNT32 KNHC 302036
TCPAT2
BULLETIN
TROPICAL STORM LESLIE ADVISORY NUMBER 2
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122012
500 PM EDT THU AUG 30 2012
...LESLIE STRENGTHENING OVER THE TROPICAL ATLANTIC...
SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...14.4N 45.3W
ABOUT 1060 MI...1705 KM E OF THE WINDWARD ISLANDS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 PM EDT...2100 UTC...THE CENTER OF TROPICAL STORM LESLIE WAS
LOCATED NEAR LATITUDE 14.4 NORTH...LONGITUDE 45.3 WEST. LESLIE IS
MOVING TOWARD THE WEST NEAR 21 MPH...33 KM/H. A MOTION TOWARD THE
WEST-NORTHWEST AT A SLOWER FORWARD SPEED IS EXPECTED DURING THE
NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...LESLIE IS EXPECTED TO
MOVE TO THE NORTHEAST OF THE LESSER ANTILLES.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 45 MPH...75 KM/H...
WITH HIGHER GUSTS. LESLIE COULD BECOME A HURRICANE IN A DAY OR
TWO.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON DATA FROM NOAA BUOY
41041 IS 1004 MB...29.65 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 PM EDT.
$$
FORECASTER BLAKE
508
WTNT34 KNHC 302040
TCPAT4
BULLETIN
TROPICAL DEPRESSION ISAAC ADVISORY NUMBER 39
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012
400 PM CDT THU AUG 30 2012
...SLOW-MOVING ISAAC WEAKENS TO A DEPRESSION OVER NORTHERN
LOUISIANA...
...FLOODING RAINS CONTINUE ACROSS SOUTHEASTERN LOUISIANA AND
MISSISSIPPI...
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...32.7N 92.6W
ABOUT 35 MI...55 KM WNW OF MONROE LOUISIANA
ABOUT 40 MI...60 KM SSE OF EL DORADO ARKANSAS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...995 MB...29.38 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
ALL COASTAL WARNINGS HAVE BEEN DISCONTINUED.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...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 DEPRESSION ISAAC
WAS LOCATED NEAR LATITUDE 32.7 NORTH...LONGITUDE 92.6 WEST. THE
DEPRESSION IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19
KM/H. A TURN TOWARD THE NORTH IS EXPECTED BY LATE TONIGHT OR EARLY
FRIDAY. ON THE FORECAST TRACK...THE CENTER OF ISAAC WILL CONTINUE
TO MOVE OVER LOUISIANA TODAY...OVER ARKANSAS ON FRIDAY...AND OVER
SOUTHERN MISSOURI FRIDAY NIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/H...WITH HIGHER
GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND
ISAAC IS EXPECTED TO BECOME A POST-TROPICAL REMNANT LOW PRESSURE
SYSTEM BY SATURDAY.
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON NEARBY SURFACE
OBSERVATIONS IS 995 MB...29.38 INCHES.
HAZARDS AFFECTING LAND
----------------------
EVEN THOUGH ISAAC IS NO LONGER A TROPICAL STORM...DANGEROUS
HAZARDS FROM STORM SURGE...INLAND FLOODING...AND TORNADOES ARE
STILL OCCURRING.
STORM SURGE...WATER LEVELS WILL REMAIN ELEVATED IN SOUTHEASTERN
LOUISIANA AND COASTAL MISSISSIPPI THROUGH TONIGHT...AND GRADUALLY
SUBSIDE TOMORROW. FOR INFORMATION SPECIFIC TO YOUR AREA...PLEASE
SEE PRODUCTS ISSUED BY YOUR LOCAL WEATHER SERVICE OFFICE.
BASED ON OBSERVATIONS FROM NATIONAL OCEAN SERVICE TIDE GAGES...AT
NEW CANAL STATION LOUISIANA...A STORM SURGE OF MORE THAN 5 FEET IS
PERSISTING ALONG THE SOUTHERN SHORE OF LAKE PONTCHARTRAIN...AND A
STORM SURGE VALUE OF NEAR 4 FEET CONTINUES AT WAVELAND MISSISSIPPI.
WIND...TROPICAL-STORM-FORCE WIND GUSTS COULD OCCUR ALONG THE COASTS
OF SOUTHEASTERN LOUISIANA AND MISSISSIPPI THROUGH THIS AFTERNOON.
RAINFALL...ISAAC IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 7 TO 14 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 25 INCHES
POSSIBLE...OVER NORTHERN AND EASTERN LOUISIANA....MUCH OF
MISSISSIPPI...SOUTHWESTERN ALABAMA...ARKANSAS...AND INTO SOUTHERN
MISSOURI THROUGH FRIDAY. THESE RAINS COULD RESULT IN SIGNIFICANT
LOWLAND FLOODING. THE HEAVY RAIN POTENTIAL WILL BE SPREADING
EASTWARD THIS WEEKEND INTO PORTIONS OF THE MID-WEST AND OHIO VALLEY
REGIONS.
TORNADOES...TORNADOES ARE POSSIBLE ALONG THE CENTRAL GULF COAST
REGION AND PARTS OF THE LOWER MISSISSIPPI RIVER VALLEY THROUGH
TONIGHT.
SURF...DANGEROUS SURF AND RIP CURRENT CONDITIONS WILL CONTINUE TO
AFFECT THE WEST COAST OF FLORIDA AND THE NORTHERN GULF COAST THROUGH
TONIGHT BEFORE SUBSIDING ON SATURDAY.
NEXT ADVISORY
-------------
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. FUTURE INFORMATION ON THIS SYSTEM CAN BE
FOUND IN PUBLIC ADVISORIES ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER...UNDER AWIPS HEADER TCPAT4 AND WMO HEADER WTNT34
KWNH...BEGINNING AT 10 PM CDT.
$$
FORECASTER STEWART
