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Tropical Depression #18
NOAA - NHC ^ | 17 September 2005 | NOAA - NHC

Posted on 09/17/2005 8:09:31 PM PDT by NautiNurse

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To: alancarp

Should they paint a big bullseye on the Astrodome?


61 posted on 09/17/2005 9:22:12 PM PDT by metmom (Welfare was never meant to be a career choice.)
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To: NautiNurse

Why all the weird names this year?????


62 posted on 09/17/2005 9:42:57 PM PDT by GregB (Bring back Capt. Michael Scott Speicher!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)
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To: NCjim


Geeeeeez... not another one! This one "could" get near the Cayman's and my daughter cannot get house insurance because the repairs from Ivan are not completed. :(


63 posted on 09/17/2005 9:57:17 PM PDT by onyx (North is a direction. South is a way of life.)
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Rita? Is that you?


64 posted on 09/17/2005 10:15:55 PM PDT by AntiGuv (™)
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To: alancarp

Where's the ridge parked over Houston, TX going? If it's a Texas hit it'll most likely be South Texas 'cause of the ridge building over Houston, TX.


65 posted on 09/17/2005 10:17:16 PM PDT by shield (The Greatest Scientific Discoveries of the Century Reveal God!!!! by Dr. H. Ross, Astrophysicist)
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To: shield

66 posted on 09/17/2005 10:23:48 PM PDT by shield (The Greatest Scientific Discoveries of the Century Reveal God!!!! by Dr. H. Ross, Astrophysicist)
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To: JellyJam

The eastern edge of the forecast cone is disturbingly pointed at New Orleans.. This could easily be a Cat 3 by the time it gets over there, if it makes it over there..


67 posted on 09/17/2005 10:24:27 PM PDT by AntiGuv (™)
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To: burzum
You can check out the wind shear forecast until Tuesday here.
68 posted on 09/17/2005 10:26:43 PM PDT by AntiGuv (™)
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To: CJ Wolf

Where did that one come from?

It came from Rove and his double super secret joy stick that steers hurricanes.


69 posted on 09/17/2005 10:30:42 PM PDT by skimask (Whatever happens it's Bush or Rove's fault.)
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To: skimask
And he's got two more on the way!
70 posted on 09/17/2005 10:34:19 PM PDT by AntiGuv (™)
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To: NautiNurse

Didn't you just ping me to TD # 17?? Geez....


71 posted on 09/17/2005 10:39:02 PM PDT by PleaseNoMore
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To: JellyJam
Is is asking too much for rain and NO damage to anyone or anything??? Here's hoping that's the case. I don't want anyone to suffer because of our need for rain. We'll survive a drought, we have before.

Nana
72 posted on 09/17/2005 11:07:58 PM PDT by Texas Termite (Please pray for Texas Cowboy & Simcha7)
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To: shield
I'm in Miami and our local forecast here says that since it's getting organized they really don't yet have an idea of where the center of circulation will be. IF it gets organized and the center is located a hair further north then Miami is definitely in greater danger. We didn't even put up any shutters for Katrina. That was a mistake. By the grace of God, we didn't suffer any damage for it, but we learned a lesson: Don't take a mere CAT 1 for granted. THIS one heads this way and everything is going up!
73 posted on 09/17/2005 11:58:59 PM PDT by ExSoldier (Democracy is 2 wolves and a lamb voting on dinner. Liberty is a well armed lamb contesting the vote.)
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To: ExSoldier

Tropical Depression Eighteen Discussion Number 2

Statement as of 5:00 am EDT on September 18, 2005

 
the reconaissance aircraft that was en Route to Tropical Storm
Philippe was diverted to the depression...and we very much
appreciate the last minute flexibility of the aircrew.  When they
first got to the depression...they didn't find much...including
only 5 kt of west wind and a center southwest of the deep
convection.  However...on their second pass through they found that
the center had migrated or redeveloped closer to the convection...
which is now taking on a slightly more banded appearance on the
first few images after the satellite eclipse.  These observations
suggest that the depression is becoming better organized.  The peak
flight-level winds were 36 kt...which supports an initial intensity
estimate of 25 kt.

 
The aircraft data require a relocation of the center to the south
and west of the previous track...and this results in a slight
southward shift of the official forecast. However...the basic track
reasoning remains the same. The depression is expected to move
west-northwestward for the next couple of days toward a weakness in
the subtropical ridge just east of Florida. After that...high
pressure over Texas and the western Gulf should turn the depression
westward.  The official forecast is in best agreement with the GFS
and GFDL guidance.  The UKMET is farther south...taking the cyclone
across central and western Cuba.  The Canadian model is also south
of its previous track...taking the center just south of Key West.

Upper-level low pressure is centered over central Cuba...and this
low is producing some southerly shear over the depression.  This
should limit intensification in the short term...however...this low
is forecast by all the global models to weaken and be replaced by a
narrow ridge of high pressure over the next two to three days. 
This upper pattern...coupled with very warm sea surface
temperatures along the path of the cyclone...would favor more rapid
development as long as the cyclone avoids the land mass of Cuba. 
The GFDL is not nearly as agressive as it was earlier today...not
making the system a hurricane until it is well into the Gulf of
Mexico.  The official forecast is a little slower than the previous
advisory in bringing the system to hurricane strength and follows a
blend of the SHIPS and GFDL guidance. 

 
Forecaster Franklin

 

 
forecast positions and Max winds

 
initial      18/0900z 21.7n  71.2w    25 kt
 12hr VT     18/1800z 22.2n  73.0w    30 kt
 24hr VT     19/0600z 22.8n  75.3w    35 kt
 36hr VT     19/1800z 23.4n  77.5w    45 kt
 48hr VT     20/0600z 23.8n  80.0w    55 kt
 72hr VT     21/0600z 24.0n  84.5w    65 kt
 96hr VT     22/0600z 24.0n  89.5w    75 kt
120hr VT     23/0600z 24.0n  93.5w    80 kt

74 posted on 09/18/2005 2:02:47 AM PDT by NautiNurse (The task before us is enormous, but so is the heart of America.)
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To: All

Tropical Depression Eighteen Advisory Number 2

Statement as of 5:00 am EDT on September 18, 2005

 
...Depression organizing east of the Bahamas...

A Tropical Storm Warning remains in effect for the Turks and Caicos
Islands...and for the southeast and central Bahamas.  A Tropical
Storm Warning means that tropical storm conditions are expected
within the warning area within the next 24 hours.

 
A Hurricane Watch remains in effect for the northwest Bahamas.  A
Hurricane Watch means that hurricane conditions are possible
within the watch area...generally within 36 hours.

 
Interests in South Florida...the Florida Keys...as well as central
and western Cuba should closely monitor the progress of this
system.

 
For storm information specific to your area...including possible
inland watches and warnings...please monitor products issued
by your local weather office.

 
At 5 am EDT...0900z...the center of Tropical Depression Eighteen was
re-located near latitude 21.7 north... longitude 71.2 west or about
15 miles... 25 km... north-northwest of Grand Turk island and about
455 miles... 730 km...east-southeast of Nassau.

 
The depression is moving toward the west near 12 mph ...19 km/hr. A
general motion toward the west-northwest is expected over the next
24 hours.

 
Maximum sustained winds are near  30 mph... 45 km/hr...with higher
gusts.  The depression is expected to become a tropical storm during
the next day or so.

 
The latest minimum central pressure reported by reconaissance
aircraft was 1008 mb...29.77 inches.

 
The depression is expected to produce total rainfall accumulations
of 3 to 5 inches over much of the turks and caicos...and over the
southeast and central Bahamas...with possible isolated maximum
amounts of 8 inches.

Repeating the 5 am EDT position...21.7 N... 71.2 W.  Movement
toward...west near 12 mph.  Maximum sustained
winds... 30 mph.  Minimum central pressure...1008 mb.

 
An intermediate advisory will be issued by the National
Hurricane Center at 8 am EDT followed by the next
complete advisory at 11 am EDT.

 
Forecaster Franklin

75 posted on 09/18/2005 2:04:37 AM PDT by NautiNurse (The task before us is enormous, but so is the heart of America.)
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To: NautiNurse

Can I say, "Oh CRAP!!!"

I don't need this one thank you very much.


76 posted on 09/18/2005 3:54:16 AM PDT by dogbyte12
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To: mmercier
You'll be fine and most Disney trip reports show light lines the next 7-10 days.

Have fun and welcome to our state!

Like lobster? Here's an all-u-can-eat lobster buffet nest to Disney. My wife and I love it.

77 posted on 09/18/2005 4:05:41 AM PDT by Caipirabob (Democrats.. Socialists..Commies..Traitors...Who can tell the difference?)
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To: NautiNurse


Latest 3 models look to push it more into Texas than into Mexico. The BAM model has it pushing it towards me of course, so I can freak out this week, and contemplate another 6 trees down.

78 posted on 09/18/2005 5:00:33 AM PDT by dogbyte12
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To: All

000
WTNT33 KNHC 181159
TCPAT3
BULLETIN
TROPICAL DEPRESSION EIGHTEEN INTERMEDIATE ADVISORY NUMBER 2A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
8 AM EDT SUN SEP 18 2005

...DEPRESSION CENTERED OVER THE TURKS AND CAICOS...

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS...AND FOR THE SOUTHEAST AND CENTRAL BAHAMAS. A TROPICAL
STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.

A HURRICANE WATCH REMAINS IN EFFECT FOR THE NORTHWEST BAHAMAS. A
HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.

INTERESTS IN SOUTH FLORIDA...THE FLORIDA KEYS...AS WELL AS CENTRAL
AND WESTERN CUBA SHOULD CLOSELY MONITOR THE PROGRESS OF THIS
SYSTEM.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.

AT 8 AM EDT...1200Z...THE CENTER OF TROPICAL DEPRESSION EIGHTEEN WAS
ESTIMATED NEAR LATITUDE 21.7 NORTH... LONGITUDE 71.7 WEST OR OVER
THE CAICOS ISLANDS AND ABOUT 430 MILES... 695 KM... EAST-SOUTHEAST
OF NASSAU.

THE DEPRESSION IS MOVING TOWARD THE WEST NEAR 12 MPH... 19 KM/HR. A
GENERAL MOTION TOWARD THE WEST-NORTHWEST IS EXPECTED OVER THE NEXT
24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH... 45 KM/HR... WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST... AND THE DEPRESSION IS
EXPECTED TO BECOME A TROPICAL STORM TODAY.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB... 29.77 INCHES.

THE DEPRESSION IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 3 TO 5 INCHES OVER MUCH OF THE TURKS AND CAICOS...AND OVER THE
SOUTHEAST AND CENTRAL BAHAMAS...WITH POSSIBLE ISOLATED MAXIMUM
AMOUNTS OF 8 INCHES.

REPEATING THE 8 AM EDT POSITION...21.7 N... 71.7 W. MOVEMENT
TOWARD...WEST NEAR 12 MPH. MAXIMUM SUSTAINED
WINDS... 30 MPH. MINIMUM CENTRAL PRESSURE...1008 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
11 AM EDT.

FORECASTER KNABB


79 posted on 09/18/2005 5:05:48 AM PDT by dogbyte12
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To: dogbyte12

May I join you in the "oh crap" sentiment?


80 posted on 09/18/2005 5:22:05 AM PDT by Ditter
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