Gaston Advisories

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New Englander
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#501 Postby New Englander » Mon Aug 30, 2004 10:12 pm

speaking of dead leaves.. they are changing awfully fast this year eh?
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Innotech
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#502 Postby Innotech » Mon Aug 30, 2004 10:15 pm

Hyperstorm wrote:Gaston WASN'T forecasted to move offshore this soon. I suspect there was a Fujiwhara Effect in here with Hermine. Hermine moving north...Gaston had to move east on the south side. That's how Fujiwhara works.

Once Hermine is out of the picture, expect a NNE heading. I'd be vigilant in Cape Cod...


Yeah I even made a gif from sat images showing the effect in motion
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#503 Postby Harbormaster » Mon Aug 30, 2004 10:17 pm

Yep!

Based on the overall October pattern that we have been in all summer (even evident in the SE with Charley's hook due to an unusual CF invasion into the gulf), looks like we could get snowy early around here.

Though in Green Harbor "it never snows"

Yeah right... We had 22" here in the bliz of 2003 and two storms of 15+ preceding it!
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#504 Postby New Englander » Mon Aug 30, 2004 10:21 pm

ahh yes the blizzard of 03' that one was classic.. we were in an area that got 29/30 inches.
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#505 Postby Harbormaster » Mon Aug 30, 2004 10:34 pm

Gaston is a striper threat at this point. It will be intersting to see if there is any significant regen.

Hermine is about 20 miles SW of MVY and moving North right now. I was surprised to see some weak bands of showers around the center on the BOX radar. I thougth that this was going to come through dry as a bone, but i suppose that I will have to go outside and roll up the windows in the car afterall!
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Gaston strengthens while becoming extratropical

#506 Postby James » Wed Sep 01, 2004 3:40 am

Tropical Storm Gaston has increased in strength to 45kts while heading out into the Atlantic. However, it is quickly becoming extratropical, so the final advisory has been written.

** WTNT42 KNHC 010831 ***
TCDAT2
TROPICAL STORM GASTON DISCUSSION NUMBER 19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
5 AM EDT WED SEP 01 2004

SATELLITE IMAGERY COMING OUT OF THE ECLIPSE INDICATES THAT GASTON IS
MOSTLY EXTRATROPICAL. THERE IS A SHARP NORTHERN EDGE TO THE CLOUD
SHIELD INDICATING UPPER LEVEL OUTFLOW IS CONVERGING WITH AN UPPER
JET. SATELLITE INTENSITY ESTIMATES ARE 45 KT FROM TAFB AND BUOY
WRYG RECENTLY REPORTED 45 KT WINDS. BASED ON THIS DATA...THE
INITIAL INTENSITY IS INCREASED TO 45 KT. WHILE THE SHIPS MODEL
INDICATES MODEST EXTRATROPICAL STRENGTHENING MAY OCCUR...THE
OFFICIAL INTENSITY FORECAST KEEPS THE EXTRATROPICAL REMNANTS OF
GASTON AT 45 KT IN LINE WITH MOST OF THE DYNAMICAL MODELS.

GASTON IS ACCELERATING EAST-NORTHEASTWARD AND THE INITIAL MOTION IS
065/30. MODEL GUIDANCE IS IN EXCELLENT AGREEMENT ON GASTON BEING
CARRIED EAST-NORTHEASTWARD BY THE MID-LATITUDE WESTERLIES AND THE
OFFICIAL FORECAST IS ESSENTIALLY AN UPDATE TO THE PREVIOUS TRACK.

THIS WILL BE THE LAST ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON GASTON.

FORECASTER RHOME/JARVINEN

FORECAST POSITIONS AND MAX WINDS

INITIAL 01/0900Z 42.4N 61.5W 45 KT...BECOMING EXTRATROPICAL
12HR VT 01/1800Z 44.3N 55.3W 45 KT...EXTRATROPICAL
24HR VT 02/0600Z 48.0N 44.6W 45 KT...EXTRATROPICAL
36HR VT 02/1800Z 50.9N 34.3W 45 KT...EXTRATROPICAL

$$
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