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Hurricane Sandy - LIVE - Meteorological Discussion


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WTNT63 KNHC 250442

TCUAT3

HURRICANE SANDY TROPICAL CYCLONE UPDATE

NWS NATIONAL HURRICANE CENTER MIAMI FL AL182012

1230 AM EDT THU OCT 25 2012

...SANDY RAPIDLY STRENGTHENS SOUTHWEST OF SANTIAGO DE CUBA...

SUMMARY OF 1230 AM EDT...0430 UTC...INFORMATION

----------------------------------------------

LOCATION...19.6N 76.1W

ABOUT 30 MI...50 KM SW OF SANTIAGO DE CUBA

MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H

PRESENT MOVEMENT...NNE OR 015 DEGREES AT 13 MPH...20 KM/H

MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES

RECENT REPORTS FROM AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT

INDICATE HURRICANE SANDY HAS RAPIDLY STRENGTHENED...AND MAXIMUM

SUSTAINED WINDS ARE NOW ESTIMATED TO BE 110 MPH...175 KM/H. THIS

MAKE SANDY A STRONG CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON

HURRICANE WIND SCALE. SOME ADDITIONAL STRENGTHENING IS POSSIBLE...

AND SANDY COULD BECOME A MAJOR HURRICANE BEFORE MAKING LANDFALL

ALONG THE SOUTHEASTERN COAST OF CUBA LATER THIS MORNING.

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Sandy means business. Pressure in Santiago fell to 960 mb - a drop 14 mb in 27 minutes - and winds increased:

SPECI MUCU 250517Z 13068G99KT 0100 +SHRA OVC060 25/24 Q0960

Sustained winds 78 mph, gusts to 114!

METAR MUCU (Santiago, Cuba) 250450Z 12064(74mph)G89KT(102mph) 0100 +SHRA SCT020 OVC060 24/23 Q0974

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It appears NHC is equally confused...110 or 115 mph, though it implies 110 is what they meant.

Wow-- nice surface obs from Santiago! The pressure fall is as fast as what I saw on the Yucatan as microcane Ernie's tiny core approached me: 1 mb every 2 mins.

This is definitely the landfall of the season-- Cat 2 or 3.

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Cat 2 110 mph landfall it is

HURRICANE SANDY TROPICAL CYCLONE UPDATE

NWS NATIONAL HURRICANE CENTER MIAMI FL AL182012...CORRECTED

130 AM EDT THU OCT 25 2012

CORRECTED WIND SPEED IN SUMAMRY

...SANDY MAKES LANDFALL JUST WEST OF SANTIAGO DE CUBA...

SUMMARY OF 125 AM EDT...0525 UTC...INFORMATION

----------------------------------------------

LOCATION...20.0N 75.9W

ABOUT 5 MI...8 KM W OF SANTIAGO DE CUBA

MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H

PRESENT MOVEMENT...NNE OR 020 DEGREES AT 15 MPH...24 KM/H

MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES

REPORTS FROM AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT...ALONG

WITH DATA FROM THE PILON CUBA WEATHER RADAR AND NOAA SATELLITES...

INDICATE HURRICANE SANDY MADE LANDFALL ON THE SOUTHEASTERN COAST OF

CUBA JUST WEST OF SANTIAGO DE CUBA AT APPROXIMATELY 125 AM EDT...

0525 UTC.

MAXIMUM SUSTAINED WINDS AT LANDFALL WERE ESTIMATED TO BE 110 MPH...

175 KM/H. THIS MAKES SANDY A STRONG CATEGORY TWO HURRICANE ON THE

SAFFIR-SIMPSON HURRICANE WIND SCALE. REPORTS FROM SANTIAGO DE CUBA

INDICATE SUSTAINED WINDS OF 78 MPH...126 KM/H...AND A GUST TO 114

MPH...183 KM/H...HAVE OCCURRED DURING THE PAST HOUR.

$$

FORECASTER STEWART/ROBERTS

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