668
WTNT63 KNHC 212351
TCUAT3
HURRICANE RITA TROPICAL CYCLONE UPDATE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
650 PM CDT WED SEP 21 2005
...RITA BECOMES THE THIRD MOST INTENSE HURRICANE ON RECORD...
DROPSONDE DATA FROM AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT AT 623 PM CDT...2323Z...INDICATED THE CENTRAL PRESSURE HAS FALLEN TO BELOW 899 MB...OR 26.55 INCHES. THE DROPSONDE INSTRUMENT MEASURED 32 KT/35 MPH WINDS AT THE SURFACE...WHICH MEANS IT LIKELY DID NOT RECORD THE LOWEST PRESSURE IN THE EYE OF RITA. THE CENTRAL PRESSURE IS PROBABLY AT LEAST AS LOW AS 898 MB...AND PERHAPS EVEN LOWER. FOR OFFICIAL PURPOSES... A PRESSURE OF 898 MB IS ASSUMED... WHICH NOW MAKES RITA THE THIRD MOST INTENSE HURRICANE IN TERMS OF PRESSURE IN THE ATLANTIC BASIN. SOME ADDITIONAL DEEPENING AND INTENSIFICATION IS POSSIBLE FOR THE NEXT 12 HOURS OR SO.
RITA CURRENTLY RANKS BEHIND HURRICANE GILBERT IN 1988 WITH 888 MB AND THE 1935 LABOR DAY HURRICANE WITH 892 MB.
FORECASTER STEWART
A PRESSURE OF 898 MB IS ASSUMED
May God be with us.. ...