6pm CDT Ivan discussion
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Brent
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6pm CDT Ivan discussion
TROPICAL DEPRESSION IVAN SPECIAL DISCUSSION NUMBER 67
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
AFTER CONSIDERABLE AND SOMETIMES ANIMATED IN-HOUSE DISCUSSION OF THE
DEMISE OF IVAN...IN THE MIDST OF A LOW-PRESSURE AND SURFACE FRONTAL
SYSTEM OVER THE EASTERN UNITED STATES...THE NATIONAL HURRICANE
CENTER HAS DECIDED TO CALL THE TROPICAL CYCLONE NOW OVER THE GULF
OF MEXICO TROPICAL DEPRESSION IVAN. WHILE DEBATE WILL SURELY
CONTINUE HERE AND ELSEWHERE...THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
ONCE THE LOW PRESSURE AREA REACHED THE GULF OF MEXICO IT BEGAN TO
GRADUALLY DEVELOP CONVECTION AND A SURFACE CIRCULATION. SATELLITE
IMAGES...RECON DATA AND BUOYS IN THE GULF OF MEXICO INDICATE THAT
THE SYSTEM IS ORGANIZED ENOUGH TO BE CLASSIFIED AS A TROPICAL
DEPRESSION. THE CURRENT SOUTHERLY SHEAR OVER THE DEPRESSION IS
FORECAST TO RELAX A LITTLE...ENOUGH TO ALLOW THE SYSTEM TO REGAIN
TROPICAL STORM STATUS BEFORE LANDFALL.
THE BEST ESTIMATE OF THE INITIAL MOTION IS 295/12 KNOTS. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE AROUND THE SUBTROPICAL HIGH
CENTERED OVER THE UNITED STATES. THE INTENSITY AND TRACK FORECASTS
AS WELL AS THE WIND RADII REQUIRE THE ISSUANCE OF A TROPICAL STORM
WARNING FROM THE MOUTH OF THE MISSISSIPPI RIVER TO SARGENT TEXAS.
FORECASTER AVILA
FORECAST POSITIONS AND MAX WINDS
INITIAL 22/2300Z 26.9N 89.3W 30 KT
12HR VT 23/0600Z 27.5N 91.2W 40 KT
24HR VT 23/1800Z 28.5N 93.0W 45 KT
36HR VT 24/0600Z 30.0N 95.0W 30 KT...INLAND
48HR VT 24/1800Z 30.5N 95.5W 25 KT...REMNANT LOW
72HR VT 25/1800Z 31.0N 96.0W 20 KT...REMNANT LOW
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
AFTER CONSIDERABLE AND SOMETIMES ANIMATED IN-HOUSE DISCUSSION OF THE
DEMISE OF IVAN...IN THE MIDST OF A LOW-PRESSURE AND SURFACE FRONTAL
SYSTEM OVER THE EASTERN UNITED STATES...THE NATIONAL HURRICANE
CENTER HAS DECIDED TO CALL THE TROPICAL CYCLONE NOW OVER THE GULF
OF MEXICO TROPICAL DEPRESSION IVAN. WHILE DEBATE WILL SURELY
CONTINUE HERE AND ELSEWHERE...THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
ONCE THE LOW PRESSURE AREA REACHED THE GULF OF MEXICO IT BEGAN TO
GRADUALLY DEVELOP CONVECTION AND A SURFACE CIRCULATION. SATELLITE
IMAGES...RECON DATA AND BUOYS IN THE GULF OF MEXICO INDICATE THAT
THE SYSTEM IS ORGANIZED ENOUGH TO BE CLASSIFIED AS A TROPICAL
DEPRESSION. THE CURRENT SOUTHERLY SHEAR OVER THE DEPRESSION IS
FORECAST TO RELAX A LITTLE...ENOUGH TO ALLOW THE SYSTEM TO REGAIN
TROPICAL STORM STATUS BEFORE LANDFALL.
THE BEST ESTIMATE OF THE INITIAL MOTION IS 295/12 KNOTS. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE AROUND THE SUBTROPICAL HIGH
CENTERED OVER THE UNITED STATES. THE INTENSITY AND TRACK FORECASTS
AS WELL AS THE WIND RADII REQUIRE THE ISSUANCE OF A TROPICAL STORM
WARNING FROM THE MOUTH OF THE MISSISSIPPI RIVER TO SARGENT TEXAS.
FORECASTER AVILA
FORECAST POSITIONS AND MAX WINDS
INITIAL 22/2300Z 26.9N 89.3W 30 KT
12HR VT 23/0600Z 27.5N 91.2W 40 KT
24HR VT 23/1800Z 28.5N 93.0W 45 KT
36HR VT 24/0600Z 30.0N 95.0W 30 KT...INLAND
48HR VT 24/1800Z 30.5N 95.5W 25 KT...REMNANT LOW
72HR VT 25/1800Z 31.0N 96.0W 20 KT...REMNANT LOW
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#neversummer
- Hyperstorm
- Category 5

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- Location: Ocala, FL
Re: 6pm CDT Ivan discussion
Brent wrote:TROPICAL DEPRESSION IVAN SPECIAL DISCUSSION NUMBER 67
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
ONCE THE LOW PRESSURE AREA REACHED THE GULF OF MEXICO IT BEGAN TO
GRADUALLY DEVELOP CONVECTION AND A SURFACE CIRCULATION.
I find these 2 sentences completely contradictory to each other.
The best that I can tell, the surface system did not exist when it exited the coast, only the UL energy. As it moved around the high pressure system and moved into the Gulf of Mexico a surface circulation developed, which is what Avila is mentioning in the second sentence and I agree with.
Whatever the name is we sure do have a developing tropical cyclone in the Gulf...
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SouthernWx
-
Brent
- S2K Supporter

- Posts: 38266
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- Joined: Sun May 16, 2004 10:30 pm
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Re: 6pm CDT Ivan discussion
Hyperstorm wrote:Brent wrote:TROPICAL DEPRESSION IVAN SPECIAL DISCUSSION NUMBER 67
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
ONCE THE LOW PRESSURE AREA REACHED THE GULF OF MEXICO IT BEGAN TO
GRADUALLY DEVELOP CONVECTION AND A SURFACE CIRCULATION.
I find these 2 sentences completely contradictory to each other.
The best that I can tell, the surface system did not exist when it exited the coast, only the UL energy. As it moved around the high pressure system and moved into the Gulf of Mexico a surface circulation developed, which is what Avila is mentioning in the second sentence and I agree with.
Whatever the name is we sure do have a developing tropical cyclone in the Gulf...
If it didn't have a center and then re-developed near Florida, it's not Ivan. Period.
Now... if it KEPT the center(or the center reformed without the other one going away), then it's Ivan.
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#neversummer
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- yoda
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Re: 6pm CDT Ivan discussion
Brent wrote:TROPICAL DEPRESSION IVAN SPECIAL DISCUSSION NUMBER 67
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
AFTER CONSIDERABLE AND SOMETIMES ANIMATED IN-HOUSE DISCUSSION OF THE
DEMISE OF IVAN...IN THE MIDST OF A LOW-PRESSURE AND SURFACE FRONTAL
SYSTEM OVER THE EASTERN UNITED STATES...THE NATIONAL HURRICANE
CENTER HAS DECIDED TO CALL THE TROPICAL CYCLONE NOW OVER THE GULF
OF MEXICO TROPICAL DEPRESSION IVAN. WHILE DEBATE WILL SURELY
CONTINUE HERE AND ELSEWHERE...THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
I reallly wonder what the animated discussions were like...
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- Hyperstorm
- Category 5

- Posts: 1500
- Joined: Sun Sep 07, 2003 3:48 am
- Location: Ocala, FL
Re: 6pm CDT Ivan discussion
Brent wrote:
If it didn't have a center and then re-developed near Florida, it's not Ivan. Period.
Now... if it KEPT the center(or the center reformed without the other one going away), then it's Ivan.
Which is exactly what I'm saying...
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Brent
- S2K Supporter

- Posts: 38266
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- Joined: Sun May 16, 2004 10:30 pm
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Re: 6pm CDT Ivan discussion
yoda wrote:Brent wrote:TROPICAL DEPRESSION IVAN SPECIAL DISCUSSION NUMBER 67
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
AFTER CONSIDERABLE AND SOMETIMES ANIMATED IN-HOUSE DISCUSSION OF THE
DEMISE OF IVAN...IN THE MIDST OF A LOW-PRESSURE AND SURFACE FRONTAL
SYSTEM OVER THE EASTERN UNITED STATES...THE NATIONAL HURRICANE
CENTER HAS DECIDED TO CALL THE TROPICAL CYCLONE NOW OVER THE GULF
OF MEXICO TROPICAL DEPRESSION IVAN. WHILE DEBATE WILL SURELY
CONTINUE HERE AND ELSEWHERE...THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
I reallly wonder what the animated discussions were like...
fight?
Avila vs. Stewart, LOL!!!
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#neversummer
- yoda
- Category 5

- Posts: 7874
- Joined: Tue Jan 13, 2004 3:51 pm
- Location: Springfield VA (20 mins south of DC)
- Contact:
Re: 6pm CDT Ivan discussion
Brent wrote:yoda wrote:Brent wrote:TROPICAL DEPRESSION IVAN SPECIAL DISCUSSION NUMBER 67
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT WED SEP 22 2004
AFTER CONSIDERABLE AND SOMETIMES ANIMATED IN-HOUSE DISCUSSION OF THE
DEMISE OF IVAN...IN THE MIDST OF A LOW-PRESSURE AND SURFACE FRONTAL
SYSTEM OVER THE EASTERN UNITED STATES...THE NATIONAL HURRICANE
CENTER HAS DECIDED TO CALL THE TROPICAL CYCLONE NOW OVER THE GULF
OF MEXICO TROPICAL DEPRESSION IVAN. WHILE DEBATE WILL SURELY
CONTINUE HERE AND ELSEWHERE...THIS DECISION WAS BASED PRIMARILY ON
THE REASONABLE CONTINUITY OBSERVED IN THE ANALYSIS OF THE SURFACE
AND LOW-LEVEL CIRCULATION.
I reallly wonder what the animated discussions were like...
fight?![]()
Avila vs. Stewart, LOL!!!
Now THAT would be interesting...
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- Stormsfury
- Category 5

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- WeatherNLU
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- Hou~TX~Mama
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Something even funnier.
Clicking on the track of TD9 (Ivan) on weather.com takes you to the OLD track of Ivan, but with today's date on it, with the big "L" in the gulf.
http://www.weather.com/maps/news/atlstorm9/index_large.html
Clicking on the track of TD9 (Ivan) on weather.com takes you to the OLD track of Ivan, but with today's date on it, with the big "L" in the gulf.
http://www.weather.com/maps/news/atlstorm9/index_large.html
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