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Flood Warnings Issued

Heavy rains have caused creek and stream flooding in North Georgia.

FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
457 AM EDT TUE OCT 2 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN GEORGIA...
BIG CREEK NEAR CUMMING AFFECTING FORSYTH COUNTY

ALCOVY RIVER NEAR LAWRENCEVILLE AFFECTING GWINNETT AND WALTON
COUNTIES


THE FLOOD WARNING CONTINUES FOR
THE ALCOVY RIVER NEAR LAWRENCEVILLE
• UNTIL FURTHER NOTICE.
• AT 4 AM TUESDAY THE STAGE WAS 9.5 FEET...AND RISING.
• MINOR FLOODING IS OCCURRING.
• FLOOD STAGE IS 9.0 FEET.
• THIS CREST COMPARES TO A PREVIOUS CREST OF 9.1 FEET ON DEC 1 2010.

SWEETWATER CREEK NEAR LILBURN AFFECTING GWINNETT COUNTY

THE FLOOD WARNING CONTINUES FOR
THE SWEETWATER CREEK NEAR LILBURN
• UNTIL FURTHER NOTICE.
• AT 4 AM TUESDAY THE STAGE WAS 11.4 FEET...AND STEADY.
• MINOR FLOODING IS OCCURRING.
• FLOOD STAGE IS 11.0 FEET.
• AT 11.0 FEET...FLOOD STAGE IS REACHED. MINOR FLOODING WILL OCCUR IN
PORTIONS OF THE NORTHWOOD COUNTRY CLUB GOLF COURSE UPSTREAM FROM
THE GAGE ON CLUB DRIVE...AND IN THE WOODLAND AREAS DOWNSTREAM FROM
THE GAGE AND FOR THE NEXT FOUR MILES UNTIL THE CREEK MERGES WITH
THE YELLOW RIVER. AN OLD CONCRETE GOLF CART BRIDGE AROUND 300 FEET
DOWNSTREAM FROM THE GAGE WILL BEGIN TO FLOOD.
• THIS CREST COMPARES TO A PREVIOUS CREST OF 11.2 FEET ON JUL 27 2010.

You can get all of your watches and warnings here:

http://www.daculaweather.com/national_alerts/4_severe_alert.php

You can also get real-time water and tream data here

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North Georgia Weather October 02, 2012 at 11:34 AM
Looks like some of you got a lot more rain than I did! I finished with a total of 5.20" for the entire event, with 3.92" falling here yesterday. Here's the CoCoRaHS precip map http://www.daculaweather.com/4_cocorahs_precip_map.php I also recorded my highest rainfall rate for the year yesterday at 0.343" per minute as well as the highest daily total of 3.92". My yearly records can be found here: http://www.daculaweather.com/4_yearly_records.php
Kristi Reed (Editor) October 02, 2012 at 11:56 AM
Seriously - look at the photos I uploaded and tell me if that is even possible. It was a torrential rain, but that puts me over 10 inches for a 24-hour period. That can't be right.
North Georgia Weather October 02, 2012 at 12:46 PM
Storm Rain totals. Notice how streaky the rainfall was. http://www.daculaweather.com/images/2012_10/STORM_RAIN.PNG
Marne M October 02, 2012 at 01:20 PM
That link is broken for me, NGW. We live in Statham. I don't know what the rain total was, but I know it rained pretty much constantly and at times very heavily. It was still raining heavily when I left for work this morning. The chickens were grumpy and everything in the house is damp! But I'm glad for the rain.
North Georgia Weather October 02, 2012 at 01:49 PM
Sorry! It should have been lower case, my fingers like to press other keys to amuse me. http://www.daculaweather.com/images/2012_10/storm_rain.png
North Georgia Weather October 02, 2012 at 01:56 PM
Doesn't sound correct. Must be operator error... ;-)
Mitch October 02, 2012 at 05:18 PM
It was great to finally fall in that RED streak this time!! We totaled just over 6" in our rain gauge. Kristi - I think someone snuck onto your property and poured some water in your gauge, either that or it’s the spit coming from all that ranting and vitriol in the Boy Scout blog?!
Kristi Reed (Editor) October 02, 2012 at 05:51 PM
I swear I don't have that thing sitting under a downspout. We had some really hard rain yesterday. That said, Mitch you may be right - that Boy Scout blog is out of control!
Kristi Reed (Editor) October 02, 2012 at 05:51 PM
I blame the gauge.
Mitch October 02, 2012 at 07:08 PM
Well, after further review...I just found out that my wife dumped a little less than 4" yesterday afternoon before I got home from work. That would also put us close to 10". It sure was a torrential downpour, but did we really get that much?
North Georgia Weather October 02, 2012 at 07:14 PM
That's a big dump! :-) If you look at the CoCoRaHS amounts, they are not that much. But I suppose it's possible. Lake Lanier is up 1.33 feet in the last 24 hours. The Chattahoochee River at Cornelia went from about 200 cubic feet per second to more than 10,000 cubic feet per second after the rainfall.
Kristi Reed (Editor) October 02, 2012 at 07:15 PM
I think it is possible. I know I got about 2 inches in under an hour at one point yesterday, so there were times when it was coming down really hard. Steve's rainfall total maps don't show it, but I have no idea how that gauge could be faulty. Also, since it is right outside my office window, I know it was untouched during the day.

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