Heavy rains kill seven in Georgia

By: Dr. Jeff Masters , 1:27 PM GMT on September 22, 2009

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Very heavy rains exceeding fifteen inches have soaked the Atlanta, Georgia region over the past two days, triggering widespread major flooding. Record flood levels have been observed on seven rivers and creeks in the Atlanta area, breaking records that had been set as long ago as 1919. In one case, the new flood record (for Utoy Creek near Atlanta), was more that ten feet above the previous record, with the creek still rising. The Chattahoochee River was one of the rivers that rose to record levels, and flood waters from the Chattahoochee crested over the I-285 bridge in western Atlanta, forcing closure of the expressway. At least seven people have been killed, according to ajc.com, with at least six people still missing.


Figure 1. Radar estimated rainfall for the Atlanta, Georgia region ending on September 22. More than 15 inches (white colors) had fallen in and around Atlanta.

A list of the records set so far:

Noonday Creek near Woodstock 19.66 ft 21/530 PM, old record 16.30 ft (07/11/2005)

Nickajack Creek at Mableton 19.30 ft 22/215 am, old record 16.60 ft (07/11/2005)

North Fork Peachtree Creek at Atlanta 18.07 ft 21/715 PM, old record 17.70 ft (09/16/2004)

Utoy Creek near Atlanta 27.04 ft 22/715 am, old record 16.86 ft (05/06/2003)...still rising

Chattahoochee River at Whitesburg 29.58 ft 21/1015 PM, old record 29.11 ft (12/11/1919)

Suwanee Creek at Suwanee 14.30 ft 21/645 PM, old record 12.04 ft (10/05/1996)

Yellow River at Lithonia 25.50 ft 22/515 am, old record 17.53 ft (05/07/2003)... nearly steady

Yellow River near Conyers 20.80 ft 22/730 am, old record 16.36 ft (07/08/2005) below Milstead...still rising

Chattahoochee River at Franklin 28.71 ft 22/715 am, old record 28.40 ft (12/15/1919)...still rising

The strong flow of moist air from the southeast that fueled the heavy rains has diminished today, and no widespread heavy rains will affect northern Georgia over the next few days. However, there will be some scattered thunderstorms in the region the next two days that will dump heavy downpours over local areas, and these thunderstorms will keep flood waters from receding much along some flooded rivers and creeks. It is possible that some additional moisture from the remains of Hurricane Fred will affect northern Georgia and South Carolina Wednesday and Thursday, boosting rainfall totals from these scattered thunderstorms.


Figure 2. AVHRR visible satellite image of Hurricane Hugo taken on September 22, 1989. Hugo was over Ohio at this time, and had finally been declared extratropical.

Twenty years ago today
Hurricane Hugo plowed through the center of South Carolina on September 22, 1989, reaching the North Carolina border 140 miles inland by 8am EDT. Amazingly, Hugo remained at hurricane strength for its entire passage through South Carolina--a full eight hours. The hurricane caused massive damage to forests, buildings, and power lines along the way, killing thirteen South Carolinans in total. Charlotte, North Carolina, over 200 miles inland, and a place of refuge for many South Carolinans that fled the storm, received sustained winds of 69 mph from Hugo--just below the 74-mph threshold of hurricane strength. Hugo turned northwards and roared through Virginia, where it killed six people, then into West Virginia and Ohio, where it was finally declared extratropical at 2pm EDT on the 22nd. The hurricane claimed its final victim near Buffalo, New York, when winds from Hugo toppled a tree onto a motorist.

In all, Hugo did $7 billion in damage to the continental U.S., and $10 billion over its entire path ($17.6 billion in 2009 dollars), making it the most costly hurricane ever at that time. The final death toll was 56.


Figure 3. Maximum wind gusts recorded from Hurricane Hugo of 1989. Wind gusts in excess of 80 mph (green hatched areas) were recorded all the way to the North Carolina border, 140 miles inland. Image credit: National Hurricane Center.

There are no threat areas in the Atlantic to discuss today, and none of our reliable computer models are forecasting tropical storm development over the next seven days.

Jeff Masters

Suwanee Creek Greenway flooding (takabanana)
Suwanee Creek Greenway flooding

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Quoting 789:
will be appreciated ! thank you


OR you could just go here where its already been done by a Blog Member

quasigeostropic Weather 101
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Quoting cchsweatherman:


Yeah, I've seen it before. I don't want to be around if those ever become a reality. lol


ha yeah, that would be insane
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Quoting tornadodude:
Interesting show on the history channel about "Hyper-Canes"


Yeah, I've seen it before. I don't want to be around if those ever become a reality. lol
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Quoting cchsweatherman:


No problem. Just as long as people appreciate it and learn from it, thats all the satisfaction I will want.


I am definitely looking forward to it, glad you have the right attitude :)
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Quoting 789:
will be appreciated ! thank you


No problem. Just as long as people appreciate it and learn from it, thats all the satisfaction I will want.
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Quoting Orcasystems:


I watched it the other day..pretty good show.. but the season premier of NCIS is on.. so good night all :)


We watched NCIS earlier. Great episode. The ending goes like this...
Member Since: October 18, 2005 Posts: 4 Comments: 3052
645. 789
Quoting cchsweatherman:
By the way, over the next few months I will be working on a project where I will be creating lessons on basic tropical forecasting, especially with analyzing CIMSS products, satellite imagery, and computer model data. It seems that many appreciate my updates and info and the way I explain things. I have decided to do this since, as I have seen throughout the season here on the blogs, many people have a desire to learn and I want to help out since I feel that if you have the knowledge and skills to help others learn, you should share them.
will be appreciated ! thank you
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Night Orca.
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Quoting GeoffreyWPB:
I love watching that stuff Matt.


It is really interesting to say the least
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I love watching that stuff Matt.
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Quoting Orcasystems:


I watched it the other day..pretty good show.. but the season premier of NCIS is on.. so good night all :)


sounds good, have a good one Orca
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Quoting tornadodude:
Interesting show on the history channel about "Hyper-Canes"


I watched it the other day..pretty good show.. but the season premier of NCIS is on.. so good night all :)
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Interesting show on the history channel about "Hyper-Canes"
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Quoting presslord:
yea...y'all wear...like bear skin...Right?


Do they remove the bears first?
Member Since: October 18, 2005 Posts: 4 Comments: 3052
637. JLPR
little area of convection related to the TW that exited Africa but if it starts spinning it should then absorb SAL and die a dry death =P

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Quoting KerryInNOLA:
I'm watching that area off the East Coast of Florida. Low wind shear. Could take off and pop in 24-36hrs.


This one?

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Quoting presslord:
yea...y'all wear...like bear skin...Right?


Yup, and mucklucks and Noreaster's
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633. JLPR
614. P451 2:48 AM GMT on September 23, 2009

XD yes people look at you weird if they catch you speaking to yourself lol
and yep its sad
talking to yourself on a weather blog = nothing to do with your life
its sad
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yea...y'all wear...like bear skin...Right?
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Quoting Orcasystems:


That may be so (not)... but its still a man in a dress. I understand thats a fairly common thing in the Carols... but its still unusual for this neck of the woods.


blog is heating up now :P
Member Since: Posts: Comments:
By the way, over the next few months I will be working on a project where I will be creating lessons on basic tropical forecasting, especially with analyzing CIMSS products, satellite imagery, and computer model data. It seems that many appreciate my updates and info and the way I explain things. I have decided to do this since, as I have seen throughout the season here on the blogs, many people have a desire to learn and I want to help out since I feel that if you have the knowledge and skills to help others learn, you should share them.
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Quoting foggymyst:
Orca, Interesting graphics you always provide. Thank you.


For you foggy... anytime :)
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Quoting presslord:
...yea...but I'm a HOT man in a dress...


That may be so (not)... but its still a man in a dress. I understand thats a fairly common thing in the Carols... but its still unusual for this neck of the woods.
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627. JLPR
Quoting Tazmanian:
Please say hello too TD 17E


well the Atlantic currently dead but the Eastern Pacific wants to entertain us :)
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P541- Hey, I sent you a personal message, dont know if you received it or not, but I would appreciate a message in return, thanks
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Orca, Interesting graphics you always provide. Thank you.
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"...I'm
Gonna soak up the sun
Gonna tell everyone
to lighten up..."
Member Since: October 18, 2005 Posts: 4 Comments: 3052
Quoting Tazmanian:
Please say hello too TD 17E


howdy
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...yea...but I'm a HOT man in a dress...
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Please say hello too TD 17E
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Quoting presslord:
a little levity is good tornado...anytime ya need a good chuckle, check out orca's picture...


Hey... from a man in a dress that hurt.
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Did I reply too quickly?
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Quoting presslord:
a little levity is good tornado...anytime ya need a good chuckle, check out orca's picture...


haha will do, thanks
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a little levity is good tornado...anytime ya need a good chuckle, check out orca's picture...
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You are welcome. I learned all that stuff from other bloggers. Pass it on!
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Quoting presslord:
tornado...Are you from here?


no, sorry, I was just trying to be a little funny, trying to lighten the mood some
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Not much out there... lots of pretty graphics of the ummmm ... very high Humidity in the GOM region.


AOI

AOI

AOI

AOI
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Thanks Geoffrey.
Member Since: October 18, 2005 Posts: 4 Comments: 3052
610. JLPR
Quoting mikatnight:
Boy that quote turned out weird. Why do they do that sometimes?


yes :|

a lot of numbers that weren't there XD
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tornado...Are you from here?
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Quoting mikatnight:


And how does one do that, if I may ask?


Just copy the embed and paste in comments.
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Boy that quote turned out weird. Why do they do that sometimes?
Member Since: October 18, 2005 Posts: 4 Comments: 3052
Quoting P451:


Oh whoas me... I guess you've never been to New Jersey.

That's child's play.

It took me 3.5 hours to go 100 miles on Monday morning. And I thought it was a decent, acceptable ride.

:/

It was...

:/



The lovely NJ Turnpike, been there, done that, did NOT enjoy that!! PLUS you have to pay to drive on it!!

I understand, formally living in NYC, that they're overdue for a major hurricane!!! The Throgs Neck, Whitestone, Triboro, Verrazzano Narrows, Goethels, and remaining bridges sit 200' above the ground, which means they're going to be shut down by the wind early on! The MidTown & Holland Tunnels will shut down due to rising tides, along with many subway lines!!I pray and hope a major storm NEVER strikes there, but eventually, it will happen!!
I hope and pray the NY-NJ Metro area has a plan!!
Member Since: August 25, 2009 Posts: 20 Comments: 6785
Quoting JLPR:
587. P451 2:27 AM GMT on September 23, 2009

at if iceman is a troll, then he is good troll who posts useful pictures, some of which I had never seen before, nor do I know the link to xD

Like the one he posted about the NAO going negative in Oct =O

and by the way, Hello everyone or anyone there =P
slow blog tonight


I totally agree with you about iceman, and good evening to you as well :P
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Quoting GeoffreyWPB:
Iceman...you can post YouTube vids directly into the comment section. You do not have to click on the Image button. That will get rid of the img scr= stuff.


And how does one do that, if I may ask?
Member Since: October 18, 2005 Posts: 4 Comments: 3052
602. JLPR
Quoting mikatnight:
P451 (#587)

Really? People hold conversations with themselves??? Oh man, talk about funny%u2026

Reminds me of a standup comic who was talking about people who talked to themselves. He said the saddest case he ever saw was the guy who couldn%u2019t get a word in edgewise. It was always like %u201CYeah, I know, but%u2026right%u2026but%u2026but%u2026ok, you got a point there%u2026but all I%u2019m saying is%u2026%u201D Cracked me up.

lol I speak with myself in front of the computer screen... ummm that isn't normal, im probably a little nuts XD
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Iceman...you can post YouTube vids directly into the comment section. You do not have to click on the Image button. That will get rid of the img scr= stuff.
Member Since: Posts: Comments:

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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