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Post-Tropical Cyclone Gordon


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Gordon is up to a C2 per ATCF

105 mph

AL, 08, 2012081818, , BEST, 0, 340N, 375W, 90, 969, HU, 64, NEQ, 20, 30, 30, 0, 1013, 175, 25, 0, 0, L, 0, , 0, 0, GORDON, D,

The real question now is if there is enough gas in the tank to get to Cat 3. There is an outside shot now given the recent rapid intensification. However, it would have to be in the next 6 hours or so as the shear is already starting to increase.

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Hurricane Claudette in 1991 was cat 4 hurricane in that area, maybe a little south of that area

Nope, she was a 4 at around 61W, well west of where Gordon is. Charley was indeed the strongest hurricane around where Gordon is...and now Gordon has tied that...no majors have been recorded east of 32W.

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Nope, she was a 4 at around 61W, well west of where Gordon is. Charley was indeed the strongest hurricane around where Gordon is...and now Gordon has tied that...no majors have been recorded east of 32W.

I was going off of memory, just looked it up and my memory must be off because you're right, the track of that show it was a cat 1 hurricane so yes Gordon may become the strongest system this area has seen

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000

WTNT63 KNHC 200635

TCUAT3

HURRICANE GORDON TROPICAL CYCLONE UPDATE

NWS NATIONAL HURRICANE CENTER MIAMI FL AL082012

230 AM AST MON AUG 20 2012

...GORDON MAKES LANDFALL ON SANTA MARIA ISLAND IN THE EASTERN

AZORES...

AT AROUND 130 AM AST...0530 UTC...SATELLITE IMAGES AND SURFACE

OBSERVATIONS INDICATE THE CENTER OF HURRICANE GORDON MADE LANDFALL

ON SANTA MARIA ISLAND IN THE EASTERN AZORES.

SUMMARY OF 0200 AM AST...0600 UTC...INFORMATION

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

LOCATION...37.1N 25.0W

ABOUT 10 MI...15 KM NE OF SANTA MARIA ISLAND IN THE AZORES

MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H

PRESENT MOVEMENT...ENE OR 70 DEGREES AT 20 MPH...32 KM/H

MINIMUM CENTRAL PRESSURE...984 MB...29.06 INCHES

$$

FORECASTER STEWART/CANGIALOSI

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Considering it was a direct hit, the wind reports from the Azores have been kinda so-so. The highest mentioned in the advisories is Santa Maria Island's 41 kt gusting to 61 kt. Even when making an allowance for the fact that the sustained wind is a 10-min value-- and therefore closer to ~47 kt if you convert to 1-min-- that's still kinda blah given that they got the core.

I wonder if they'll keep this a hurricane landfall in the Azores in postanalysis.

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Considering it was a direct hit, the wind reports from the Azores have been kinda so-so. The highest mentioned in the advisories is Santa Maria Island's 41 kt gusting to 61 kt. Even when making an allowance for the fact that the sustained wind is a 10-min value-- and therefore closer to ~47 kt if you convert to 1-min-- that's still kinda blah given that they got the core.

I wonder if they'll keep this a hurricane landfall in the Azores in postanalysis.

Noting Stewarts discussion of T and Td, ("not very tropical") strongest winds may not have mixed down to the surface due to relatively stable boundary conditions.

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The airport in Santa Maria, Azores only reported every hour and didn't report wind at 4z tonight. It's likely there were stronger sustained winds in between hours, but i doubt there were hurricane-force sustained winds given the rapid weakening seen on satellite.

METAR LPAZ 200300Z /////KT 3000 RA BKN004 BKN014 21/20 Q0999 RMK WND RWY18 11041G61KT

METAR LPAZ 200400Z /////KT 3000 -RA BKN004 BKN014 21/20 Q0995

METAR LPAZ 200500Z 19020KT 2000 BR BKN003 BKN014 22/21 Q0992 RMK WND RWY18 19020KT

METAR LPAZ 200600Z /////KT 2000 BKN003 22/21 Q0994 RMK WND RWY18 26015KT

METAR LPAZ 200700Z /////KT 2000 BR FEW001 BKN004 21/20 Q0999 RMK WND RWY18 32033G45KT

METAR LPAZ 200800Z /////KT 6000 FEW003 SCT007 BKN019 21/20 Q1006 RMK WND RWY18 33031G43KT

Considering it was a direct hit, the wind reports from the Azores have been kinda so-so. The highest mentioned in the advisories is Santa Maria Island's 41 kt gusting to 61 kt. Even when making an allowance for the fact that the sustained wind is a 10-min value-- and therefore closer to ~47 kt if you convert to 1-min-- that's still kinda blah given that they got the core.

I wonder if they'll keep this a hurricane landfall in the Azores in postanalysis.

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From the 11AM discussion

THE INSTITUTE OF METEOROLOGY IN THE AZORES PROVIDED A REPORT OF A

MINIMUM PRESSURE OF 980 MB ON SANTA MARIA ISLAND IN THE EASTERN

AZORES AS GORDON PASSED OVER THAT ISLAND THIS MORNING. A MAXIMUM

10-MINUTE WIND OF 53 KT WITH A GUST TO 70 KT WAS OBSERVED AT SANTA

MARIA AIRPORT.

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Considering that's a 10-minute and not a 2-minute wind, that strongly supports that Gordon was still a minimal hurricane at the time of landfall in the southernmost Azores.

From the 11AM discussion

THE INSTITUTE OF METEOROLOGY IN THE AZORES PROVIDED A REPORT OF A

MINIMUM PRESSURE OF 980 MB ON SANTA MARIA ISLAND IN THE EASTERN

AZORES AS GORDON PASSED OVER THAT ISLAND THIS MORNING. A MAXIMUM

10-MINUTE WIND OF 53 KT WITH A GUST TO 70 KT WAS OBSERVED AT SANTA

MARIA AIRPORT.

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Considering that's a 10-minute and not a 2-minute wind, that strongly supports that Gordon was still a minimal hurricane at the time of landfall in the southernmost Azores.

Agreed. That's the first I've seen of that reading. The previous advisories had much lower values, and I assumed the strongest winds had passed.

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Agreed. That's the first I've seen of that reading. The previous advisories had much lower values, and I assumed the strongest winds had passed.

But the reports were definitely sparse from that station, so the high winds probably occurred between observations (esp since there was no 4AM wind obs).

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