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2024's Atlantic name list reuses 2018s, with Milton replacing Michael, and Francine Replacing Florence.
Days since last H. Landfall - US: Any 251 (Idalia) , Major: 251 (Idalia) Florida - Any: 251 (Idalia) Major: 251 (Idalia)
 
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#453404 (Received by flhurricane at: 10:58 PM 25.Aug.2011)
TCDAT4

HURRICANE IRENE DISCUSSION NUMBER 23
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
1100 PM EDT THU AUG 25 2011

TWO HURRICANE HUNTER AIRCRAFT...ONE AIR FORCE AND ONE NOAA...ARE
AGAIN TONIGHT SUPPLYING VERY VALUABLE METEOROLOGICAL DATA TO THE
NATIONAL HURRICANE CENTER. BOTH PLANES INDICATE THAT THE CENTRAL
PRESSURE IS GRADUALLY FALLING AND IS NOW NEAR 942 MB...BUT THE
WINDS HAVE NOT INCREASED YET. THE INITIAL INTENSITY IS KEPT AT 100
KNOTS AT THIS TIME. IRENE HAS MOVED AWAY FROM THE NORTHWESTERN
BAHAMAS AND IS NOW OVER OPEN WATERS. THE EYE HAS BECOME A LITTLE
BETTER DEFINED ON SATELLITE AND MICROWAVE IMAGERY AND IT APPEARS
THAT THE EYEWALL IS CONTRACTING. GIVEN THE CURRENT STRUCTURE AND
THE WARM WATERS ALONG THE TRACK OF THE HURRICANE...SOME
STRENGTHENING IS INDICATED DURING THE NEXT 12 TO 24 HOURS. A SLOW
WEAKENING SHOULD BEGIN THEREAFTER...BUT IRENE IS EXPECTED TO
APPROACH THE COAST OF NORTH CAROLINA A POWERFUL HURRICANE. IN
FACT...THE HIGH RESOLUTION ECMWF SHOWS A VERY INTENSE CYCLONE
APPROACHING THE NORTH CAROLINA COAST.

SATELLITE AND RECONNAISSANCE FIXES INDICATE THAT IRENE IS MOVING
TOWARD THE NORTH OR 350 DEGREES AT 12 KNOTS. THE HURRICANE IS
ALREADY ON THE WEST SIDE OF THE SUBTROPICAL RIDGE AND IS READY TO
INTERACT WITH SOUTH-SOUTHWESTERLY FLOW AHEAD OF THE THE APPROACHING
MID-LATITUDE TROUGH. IRENE HAS NOWHERE TO GO BUT NORTHWARD WITH A
GRADUAL TURN TO THE NORTH-NORTHEAST AFTER THE CENTER CROSSES OR
PASSES NEAR THE NORTH CAROLINA COAST. THE TRACK GUIDANCE HAS BEEN
VERY CONSISTENT AND CONTINUES TO BE TIGHTLY CLUSTERED...GIVING NO
REASON TO MAKE A SIGNIFICANT CHANGE TO THE OFFICIAL FORECAST.

GIVEN THE CURRENT FORECAST...IT IS NOT NECESSARY TO ADJUST THE U.S.
WATCHES AND WARNINGS AT THIS TIME.


FORECAST POSITIONS AND MAX WINDS

INIT 26/0300Z 28.3N 77.3W 100 KT 115 MPH
12H 26/1200Z 30.0N 77.8W 105 KT 120 MPH
24H 27/0000Z 31.8N 77.6W 110 KT 125 MPH
36H 27/1200Z 33.7N 77.1W 105 KT 120 MPH
48H 28/0000Z 36.0N 76.3W 90 KT 105 MPH
72H 29/0000Z 42.0N 73.0W 70 KT 80 MPH...INLAND
96H 30/0000Z 51.0N 66.0W 40 KT 45 MPH...POST-TROP/EXTRATROP
120H 31/0000Z 58.0N 50.0W 40 KT 45 MPH...POST-TROP/EXTRATROP

$$
FORECASTER AVILA