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Hurricane Ivan -- Thursday 9/16 thread [Landfall!]
NWS/NHC, various | 9/16/2004

Posted on 09/15/2004 7:38:29 PM PDT by lainie

Hurricane Ivan Advisory Number 55

Statement as of 10:00 PM CDT on September 15, 2004

...Extremely dangerous Hurricane Ivan coming closer to the northern Gulf Coast...strong winds already moving onshore...

A Hurricane Warning is in effect from Grand Isle Louisiana to Apalachicola Florida...including the greater New Orleans area and Lake Pontchartrain. A Hurricane Warning means that hurricane conditions are expected within the warning area...generally within the next 24 hours. Preparations to protect life and property should be rushed to completion throughout the entire warning area.

A Hurricane Watch remains in effect from Morgan City Louisiana to west of Grand Isle.

A Tropical Storm Warning remains in effect from Morgan City to west of Grand Isle...and from east of Apalachicola to Yankeetown Florida.

At 10 PM CDT...0300z...the large eye of Hurricane Ivan was centered near latitude 29.3 north... longitude 88.1 west or about 65 miles south of the Alabama coastline.

Ivan is moving slightly east of north near 12 mph...and this motion is expected to continue for the next 24 hours. On the forecast track...the center of the hurricane will reach the coast early on Thursday.

Maximum sustained winds are near 135 mph...with higher gusts. Some fluctuations in intensity are possible prior to landfall...but Ivan is expected to make landfall as a major hurricane...category three or higher. Occupants of high-rise buildings within the Hurricane Warning area can expect higher winds than those experienced at the surface...about one Saffir-Simpson category higher at the top of a 30-story building. After landfall... hurricane force winds could spread inland up to about 150 miles near the path of the center.

People are strongly advised not to venture out from shelter during the calm conditions of the eye...as winds will increase rapidly with little or no warning when the eye passes.

Hurricane force winds extend outward up to 105 miles from the center...and tropical storm force winds extend outward up to 290 miles. The Dauphin Island C-man station reported sustained winds of 54 mph with a gust to 83 mph...and Pensacola Naval Air Station reported sustained winds of 51 mph with a gust to 68 mph.

The latest minimum central pressure measured by a NOAA hurricane hunter aircraft was 933 mb...27.55 inches.

Coastal storm surge flooding of 10 to 16 feet above normal tide levels...along with large and dangerous battering waves...can be expected near and to the east of where the center makes landfall. Lesser...but still significant surge values will be experienced where onshore flow occurs west of the center.

Dangerous surf conditions...including rip currents...are likely elsewhere along the Florida Gulf Coast.

Rainfall accumulations of 10 to 15 inches...with isolated higher amounts...can be expected in association with Ivan.

Tornadoes are possible over the next 24 hours in southern Alabama... the Florida Panhandle and Big Bend area...and southwestern Georgia.

Repeating the 10 PM CDT position...29.3 N... 88.1 W. Movement toward...north near 12 mph. Maximum sustained winds...135 mph. Minimum central pressure... 933 mb.

For storm information specific to your area...please monitor products issued by your local weather office.

Intermediate advisories will be issued by the National Hurricane Center at midnight CDT and 2 am CDT followed by the next complete advisory at 4 am CDT.

Forecaster Pasch

$$




Links
nwctwx's excellent list
Weather Underground/Tropical
The Weather Channel Map Room
Intellicast Tropical Page
BoatU.S. Hurricane Tracking

this thread continuing from http://www.freerepublic.com/focus/news/1216382/posts


TOPICS: News/Current Events; US: Alabama; US: Florida; US: Georgia; US: Louisiana; US: Mississippi; US: Tennessee; US: Texas
KEYWORDS: hurricane; hurricaneivan; ivan
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To: sheikdetailfeather

Say what?....This is starting to get confusing...lol


941 posted on 09/16/2004 7:59:41 PM PDT by TheLion
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To: dawn53

I'm glad you got an answer because I couldn't explain it either. All I remember is that Jeanne was on the move last night, while a part of her (left behind) was still dumping rain on Puerto Rico.


942 posted on 09/16/2004 8:02:07 PM PDT by lainie
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To: Moose4
Ah...


943 posted on 09/16/2004 8:03:20 PM PDT by Howlin (What's the Font Spacing, Kenneth?)
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To: exhaustedmomma
Yay! I am so glad they are all okay. Thanks for letting me know.

Just look at it THIS way: You get the SPOIL the Granddaughter for two
weeks or more and send her back with your revenge that way! :^D


944 posted on 09/16/2004 8:07:21 PM PDT by MeekOneGOP (There is only one GOOD 'RAT: one that has been voted OUT of POWER !! Straight ticket GOP!)
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To: lainie

It was stationary for about 4 hours but now seems to be moving a again at 5 mph.


945 posted on 09/16/2004 8:09:06 PM PDT by dawn53
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To: Eagle Eye

I have seen some of the devastation on TV and here on the internet. It is incredible.

I've never been to DeFuniak. We're planning a trip in November to see my dad. Planning to go to Ft. Walton and Okaloosa Island, too. Obviously we'll be taking some road detours when we come in. :)

Wow, no school till November. Will they be making that up in the summer? My dad has no power, either. I called him but he was in bed early since it was already dark and he spent all last night without sleep, as did all of you, I'm sure.


946 posted on 09/16/2004 8:20:52 PM PDT by valleygal
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To: onyx

Praise the Lord. So happy to hear your family will soon be together again. Our prayers have been answered.

Were they able to carry anything out with them? I'm really asking if they're going to have clean clothes to change into after they shower, and shower and shower and shower. I can't imagine not being able to shower for a week!

Steak and French Fries, delivered by Room Service will seem to be a full fledged feast for them tonite.

I'm so happy for you, Dear.


947 posted on 09/16/2004 8:52:47 PM PDT by Iowa Granny (Proud to be associated with pajama wearing news gatherers)
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To: NCjim; Hilltop

Thanks for all your information. The last I talked to my Mom, she was still without power. She has a radio and phone. Also she said things had gotten better there. She said that the area east of I65 got the worst damage. There were mostly downed trees. Thankfully the worst of the weather has passed and she will just have to wait for the power company.


948 posted on 09/16/2004 9:05:31 PM PDT by AUsome Joy
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To: valleygal

As I scroll through the picture galleries I see names and faces the I recognize. And of course places that I used to go to and patronize.

Airport is closed. Roads that still exist are blocked. Bridges are broken, damaged, and closed. Can't go back even if I tried.


949 posted on 09/16/2004 9:15:20 PM PDT by Eagle Eye (No, I didn't, but I know a guy who did.)
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To: kingattax

I live 25 minutes south of Birmingham and most of this area is without power. I'm one of the lucky few to have power tonight. Earlier about 900,000 state wide were powerless. Alot of down trees and early this morning was the worst. Lots of flooding.
My friends in the National Guard are activated and patrolling the Gulf Shores area all this week. Devastation everywhere down there.


950 posted on 09/16/2004 9:24:19 PM PDT by confederate66
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To: Eagle Eye

I have been listening to a couple of local Orlando weather reports on Jeanne. Channel 13 says Ivan is spinning counterclockwise and the farther it goes east the better for Florida. As it moves east, it will lift Jeanne north with the steering currents. Sometime on Monday, a Bermuda High to the east is going to move west towards Florida and push Jeanne towards Florida. It will have a clockwise motion. The key factor is that they do not THINK it will push Jeanne towards Florida until it is almost to the Georgia line. WFTV says all forecast paths are converging now to the north as of tonight.


951 posted on 09/16/2004 9:33:34 PM PDT by sheikdetailfeather
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To: sheikdetailfeather

http://pensacolanewsjournal.com/hurricane/longlasting.shtml

Ivan's destructive legacy takes toll on people, economy, landscape


952 posted on 09/16/2004 9:40:15 PM PDT by Eagle Eye (No, I didn't, but I know a guy who did.)
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To: Eagle Eye

How tragic. I hope the looters left fingerprints.


953 posted on 09/16/2004 9:46:28 PM PDT by sheikdetailfeather
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To: BurbankKarl

Whew, she is totally nuts!


954 posted on 09/16/2004 9:47:56 PM PDT by Frank_2001
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To: BurbankKarl

When I said I wanted to feel the wind blowing through my hair as I drive, this is not what I had in mind...


955 posted on 09/16/2004 9:51:40 PM PDT by Frank_2001
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To: Iowa Granny

She said they were met by doctors and ambulances and the Red Cross.

The Red Cross provided them with individual bags
of toiletries and stuffed animals for the little ones.

She said it was the first kindness shown... the Cayman government has been shameful.

Praise the Lord.
Prayers answered.
Thank you again.


956 posted on 09/16/2004 10:59:35 PM PDT by onyx (JohnKerry deserves to be the last casualty of the Vietnam War.)
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To: All

This is for 11PM....will post a 2AM update when I can find it.



Statement as of 11:00 PM EDT on September 16, 2004
radar and surface observations indicate the center of Ivan has become less defined during the past 6 hours. The highest surface winds reports have occasionally been around 30 kt...and that is the intensity used for this advisory.

The initial motion is 025/12. NHC model guidance has continued to come into better agreement that Ivan will gradually curve northeastward and then eastward...and decelerate through 48 hr. After that... a high amplitude surface to mid-level ridge is forecast to build over the northeastern U.S....which will act to block Ivan and turn the remnant circulation slowly southwestward over South Carolina and Georgia.

Since the remnant Ivan circulation will remain intact...at least in the mid-levels of the troposphere throughout the forecast period... a major rainfall event appears likely the next several days over much of the southeastern U.S. There is also a continued tornado threat across a large portion of the southeastern United States tonight and Friday.

This will be last forecast discussion on Ivan. Future information can be found in public advisories issued by the Hydrometeorological Prediction Center...under AWIPS header tcpat4 and wmo header wtnt34 kwnh...beginning at 4 am CDT...Friday morning.

Forecaster Stewart

forecast positions and Max winds

initial 17/0300z 34.3n 86.2w 30 kt 12hr VT 17/1200z 35.2n 85.2w 30 kt...inland 24hr VT 18/0000z 35.9n 83.1w 25 kt...inland 36hr VT 18/1200z 36.0n 81.4w 25 kt...inland 48hr VT 19/0000z 35.3n 81.0w 20 kt...inland dissipating 72hr VT 20/0000z 34.0n 83.0w 20 kt...inland dissipating 96hr VT 21/0000z...dissipated inland

http://storm1.herald.com/auto/miamiherald/tropical/at200409.disc.html


957 posted on 09/16/2004 11:11:19 PM PDT by TheLion
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To: TheLion

Apparently the next statement from any source will 4 AM on the 17th.


958 posted on 09/16/2004 11:20:51 PM PDT by TheLion
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To: TheLion

Ivan and all the rest of the 4 am news...Tropical Depression Ivan Advisory Number 60


Statement as of 5:00 am EDT on September 17, 2004


...Tropical Depression Ivan near the Alabama...Georgia...and
Tennessee border...
Flash flood warnings are in effect for eastern portions of
Tennessee...north central Georgia...and northeast and north
central Alabama
Flash flood watches are in effect for southern and central
Appalachians from portions of eastern and central
Tennessee...central and western South Carolina... central and
western North Carolina...eastern Kentucky...Virginia...West
Virginia...Maryland...portions of new jersy...Pennsylvania...and
southeastern Ohio.
At 5 am EDT...09z...the center of Tropical Depression Ivan was
near latitude 34.9 north longitude 84.9 west or near Chattanooga
Tennessee. Maximum sustained winds are 20 mph with some higher
gusts. Minimum central pressure is 994 mb or 29.35 inches. Ivan
is moving northeasterly at approximately 10 mph. Ivan is forecast
to move northeast to eastern Tennessee by morning then move to the
east-northeast to southwestern Virginia by Friday evening. By
Saturday morning the low is forecast to move to the central
Virginia/North Carolina border where it should continue to weaken.
Selected 36 hour rainfall amounts in inches through 2 am EDT.
Location storm total
Alabama...
Troy 6.43
Dothan 5.79
Montgomery 5.28
mobile 5.07
Pinson 4.59
Anniston 4.48
Georgia...
Atlanta 4.93
Athens 3.57
Gainesville 3.16
Mississippi...
Columbus 2.78
Tennessee...
Chattanooga 5.63
Crossville 3.69
Knoxville 1.65
Nashville 1.45
Bristol 1.12
North Carolina...
Asheville 3.76
South Carolina...
Anderson 1.51
Kentucky...
London 1.32
Jackson 0.78
Additional rainfall amounts of 4-7 inches with isolated heavier
amounts can be expected during the next 24 hour period Manly to
the north of the low.
Repeating the 5 am EDT position...09z...Tropical Depression Ivan
was located near latitude 34.9 north longitude 84.9 west...minimum
central pressure is 994 mb or 29.35 inches.
The next advisory on Tropical Depression Ivan will be issued by
the Hydrometeorological Prediction Center at 11 am EDT. Refer to
statements issued by local weather offices for further information
concerning this system.
Ziegenfelder
$$

Tropical Storm Jeanne Advisory Number 15


Statement as of 5:00 am AST on September 17, 2004


...Jeanne still drifting over northern Hispaniola...a little bit
weaker...

a Tropical Storm Warning remains in effect for the island of
Hispaniola from le mole St Nicholas Haiti eastward to Santo
Domingo.

A Hurricane Warning remains in effect for the southeastern
Bahamas...including the Acklins...Crooked Island...the
Inaguas...Mayaguana...and the Ragged Islands...as well as for the
Turks and Caicos Islands.

A Hurricane Watch remains in effect for the central Bahamas...
including Cat Island...the Exumas...Long Island...Rum Cay...and San
Salvador.

Interests in the northwestern Bahamas should monitor the progress of
Jeanne.

Data from a reconnaissance plane indicate that at 5 am AST...0900z
...The center of Tropical Storm Jeanne was still inland centered
near latitude 19.5 north...longitude 70.1 west or about 70 miles
...115 km...north of Santo Domingo in the Dominican Republic.

Jeanne has been moving litle during the past few hours but is
expected to resume a west-northwest track near 6 mph...9 km/hr
later today.

Maximum sustained winds have decreased to near 65 mph...100
km/hr...in small area to the north of the center with higher gusts.
Some additional weakening is expected while the cyclone interacts
with Hispaniola but could regain hurricane status during the next
day or two.

Tropical storm force winds extend outward up to 70 miles...110 km
from the center.

Estimated minimum central pressure is 992 mb...29.29 inches.

Storm surge flooding of 1 to 3 feet above normal tide levels...
along with large and dangerous battering waves...can be expected
along the north coast of the Dominican Republic today.

Rainfall accumulations of 9 to 13 inches...with isolated higher
amounts...can be expected over the Dominican Republic. These rains
could cause life-threatening flash floods and mud slides. A
rainband trailing Jeanne is located just to the south and southeast
of Puerto Rico and it has the potential to produce additional
rainfall accumulations of 5 to 10 inches...locally higher...over
portions of that island.

Isolated tornadoes are possible over Puerto Rico and the Dominican
Republic tonight.

Repeating the 5 am AST position...19.5 N... 70.1 W. Movement
toward...west-northwest near 6 mph. Maximum sustained
winds... 65 mph. Minimum central pressure... 992 mb.

For storm information specific to your area...please monitor
products issued by your local weather office.

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

Forecaster Avila

Tropical Storm Jeanne Discussion Number 15


Statement as of 5:00 am EDT on September 17, 2004



because the center is inland near the north coast of Hispaniola...
the reconnaissance plane did not penetrate the eye feature but it
made a radar fix instead. The crew reported that the eye was
circular and roughly 15 N mi in diameter. Satellite images after
the eclipse suggest that Jeanne is not as strong as a few hours ago
since the eye feature can not longer be observed and convection has
weakened. This weakening due to interaction with land was
anticipated and in fact...it is kind of surprising that Jeanne has
kept such a well-defined cloud pattern after being over land for a
about a day. Initial intensity has been adjusted down to 55 knots
based on a Max wind from the recon of 63 knots. It appears that
Jeanne will be interacting with Hispaniola for 12 more hours and if
survives...it could regain hurricane status as indicated in the
official forecast. It is good to point out that...historically...
not many tropical cyclones survive the path across the high terrain
of Hispaniola.
The tropical cyclone has been drifting between the west and
west-northwest during the past few hours. A subtropical ridge to
the north will likely steer Jeanne toward the west-northwest about
5 to 10 knots during the next 24 to 36 hours. Thereafter...a strong
trough located over the eastern United States and partially
associated with Ivan...will force Jeanne to move toward the
northwest or even north-northwest. In 4 or 5 days...the track
forecast becomes highly uncertain. Most of the global models
indicate that the trough will become replaced by a rather strong
high pressure system which eventually would force Jeanne westward.
This is basically the solution unanimously provided by the
dynamical models and it is indicated in the official forecast.
It is too early to mention what portion of the southeast U.S. Coast
may be threatened but long range guidance suggests a high risk all
the way from Florida to the Carolinas.

Forecaster Avila

forecast positions and Max winds

initial 17/0900z 19.5n 70.1w 55 kt
12hr VT 17/1800z 20.0n 70.9w 55 kt
24hr VT 18/0600z 21.3n 72.5w 65 kt
36hr VT 18/1800z 23.0n 74.0w 70 kt
48hr VT 19/0600z 25.0n 75.0w 75 kt
72hr VT 20/0600z 27.0n 76.0w 80 kt
96hr VT 21/0600z 28.5n 77.0w 85 kt
120hr VT 22/0600z 29.5n 80.0w 85 kt


$$


Tropical Storm Karl Advisory Number 3


Statement as of 5:00 am AST on September 17, 2004


...Karl getting stronger...

at 5 am AST...0900z...the center of Tropical Storm Karl was located
near latitude 11.5 north... longitude 35.3 west or about 820
miles...1320 km... west-southwest of the Cape Verde Islands.

Karl is moving toward the west near 12 mph ...19 km/hr. A motion to
the west or west-northwest is expected...with a gradual decrease in
forward speed...during the next 24 hours.
Maximum sustained winds are near 65 mph...100 km/hr...with higher
gusts. Karl has been getting stronger during the evening and may
become a hurricane later today or early tomorrow.

Tropical storm force winds extend outward up to 60 miles
... 95 km from the center.

Estimated minimum central pressure is 994 mb...29.35 inches.

Repeating the 5 am AST position...11.5 N... 35.3 W. Movement
toward...west near 12 mph. Maximum sustained
winds... 65 mph. Minimum central pressure... 994 mb.

The next advisory will be issued by the National
Hurricane Center at 11 am AST.

Forecaster Jarvinen


Tropical Storm Karl Discussion Number 3


Statement as of 5:00 am EDT on September 17, 2004



infrared satellite imagery indicates that Karl is strengthening
rather quickly. The system has a CDO feature near the center and a
nice band wrapping around from the west side into the CDO. There
is superb outflow toward the west and north. Also...the SSTs at
these latitudes reach their maximum values in mid-September.
Dvorak intensity estimates are 55 kt from both TAFB and SAB. An
objective ODT calculated a 77 kt wind speed. The sum of this
information is the basis for bringing the system up to 55 kts.

The initial motion is 275/14. Almost nothing has changed since the
last package. NHC model guidance remains in excellent agreement on
a general west to west-northwestward motion around the southern
periphery of the strong subtropical ridge to the north for the next
48 hours. After that...a deep mid-latitude trough is forecast by
all of the models to dig southward...to varying degrees...and
weaken the ridge to the northwest of Karl. This allows the cyclone
to gradually turn northwestward and eventually northward. The
official track is essentially an update to the previous official
forecast...and remains close to the NHC model consensus.

The GFDL intensity forecast as well as ships want to make the system
a hurricane rather quickly and intensify it to a major hurricane in
about 72 hours. The intensity forecast is a blend of these two
with the ships forecast weighted in the early going...thus making
the system a hurricane in about 12 hours.

Forecaster Jarvinen

forecast positions and Max winds

initial 17/0900z 11.5n 35.3w 55 kt
12hr VT 17/1800z 11.8n 36.8w 65 kt
24hr VT 18/0600z 12.2n 38.8w 75 kt
36hr VT 18/1800z 12.8n 40.6w 85 kt
48hr VT 19/0600z 13.7n 42.2w 95 kt
72hr VT 20/0600z 16.2n 44.8w 105 kt
96hr VT 21/0600z 19.3n 46.3w 115 kt
120hr VT 22/0600z 23.0n 47.0w 115 kt


959 posted on 09/17/2004 2:19:31 AM PDT by libtoken
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To: lainie

Any information on Grayton Beach area, Seaside, Water Color, etc?

Anything south of 30A?


960 posted on 09/17/2004 3:59:46 AM PDT by CobaltBlue
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