Alert archive / Georgia / River Flood Warnings in 2020

River Flood Warning 177, NWS Atlanta, GA

February 18, 2020Gwinnett County, Walton County, Georgia

NWS Atlanta, GA issued this river flood warning at Feb 18, 2020, 10:02 PM EST for Gwinnett County, Walton County, Georgia. It was in force for 21 days.

The area

The outline as issued.

The facts

Issued
Feb 18, 2020, 10:02 PM EST (03:02 UTC)
Expired
Mar 10, 2020, 11:02 PM EDT
In force
21 days
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
Minor

Counties Gwinnett County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 87 km from the middle of the area, began a volume at 03:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Alcovy River at New Hope Road near Grayson (ALCG1).

Action stage
7 ft
Minor stage
9 ft
Moderate stage
11 ft
Major stage
16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02208150, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

807 
WGUS42 KFFC 190302
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1002 PM EST Tue Feb 18 2020

...The National Weather Service in Peachtree City has issued a Flood 
Warning for the following rivers in Georgia...

  Alcovy River near Lawrenceville affecting Gwinnett and Walton 
  Counties


.Recent heavy rainfall has caused significant runoff into streams and
rivers which will cause flooding in some areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

All persons with interests along the river should monitor the latest
forecasts...and be prepared to take necessary precautions to protect
life and property.

The latest stage data was furnished in cooperation with the United 
States Geological Survey.

&&

GAC135-297-191702-
/O.NEW.KFFC.FL.W.0177.200219T0302Z-000000T0000Z/
/ALCG1.1.ER.200219T0232Z.200219T0245Z.000000T0000Z.UU/
1002 PM EST Tue Feb 18 2020

The National Weather Service in Peachtree City has issued a
* Flood Warning for 
  The Alcovy River near Lawrenceville.
* From this evening until further notice.
* At 10 PM Tuesday the stage was 8.8 feet rising.
* Flood stage is 9 feet.
* At 9 feet flood stage is reached. Minor flooding begins of the 
  woodlands upstream and downstream from the river gauge at New Hope 
  Road.

&&

LAT...LON 3391 8394 3394 8392 3396 8388 3383 8374 3379 8379


$$
2 follow-up statements
058 
WGUS82 KFFC 190643
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
143 AM EST Wed Feb 19 2020

...The Flood Warning continues for the following rivers in Georgia...
 
  Big Creek near Cumming affecting Forsyth County 

  Big Creek near Alpharetta affecting Forsyth and Fulton Counties 

  Chattahoochee River near Whitesburg affecting Carroll...Coweta and
  Heard Counties 

  Flint River near Lovejoy affecting Clayton...Fayette and Spalding 
  Counties 

  Flint River near Griffin Hwy. 16 affecting Fayette and Spalding 
  Counties 

  Flint River near Carsonville Hwy. 19 affecting Crawford...
  Talbot...Taylor and Upson Counties 

  Alcovy River near Lawrenceville affecting Gwinnett and Walton 
  Counties 

  Sweetwater Creek near Lilburn affecting Gwinnett County 

  Yellow River near East Lithonia affecting De Kalb and Rockdale 
  Counties 

  Falling Creek near East Juliette  affecting Jones County 

  Ocmulgee River near Macon affecting Bibb...Houston...Jones...
  Monroe and Twiggs Counties 

  Middle Oconee River near Arcade affecting Barrow and Jackson 
  Counties 

  Oconee River near Penfield affecting Clarke...Greene and Oconee 
  Counties 

  Oconee River near Oconee affecting Johnson...Washington and 
  Wilkinson Counties 

 
GAC059-133-219-192042-
/O.EXT.KFFC.FL.W.0182.200219T2230Z-200222T1800Z/
/PNFG1.1.ER.200219T2230Z.200221T0000Z.200222T1200Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Saturday afternoon...The Flood 
Warning continues for
  The Oconee River near Penfield.
* From late this afternoon until Saturday afternoon.
* At 1 AM Wednesday the stage was 9.9 feet and rising.
* Minor flooding is forecast.
* Flood stage is 13 feet.
* Forecast to rise above flood stage by late this afternoon and 
  continue to rise to near 17.1 feet by tomorrow evening. The river 
  is then forecast to fall below flood stage by Saturday morning.
* At 17 feet...Minor flooding continues to expand into fields...
  woodlands and pastures near the river. The water level is very 
  close to Ward Road on the right bank. Flood waters will be 
  approaching irrigation systems and they may need to be moved to 
  higher ground.
  

&&

LAT...LON 3364 8325 3364 8333 3383 8333 3384 8327


$$

GAC167-303-319-192042-
/O.EXT.KFFC.FL.W.0168.200219T1342Z-000000T0000Z/
/OCNG1.2.ER.200219T1342Z.200222T1800Z.000000T0000Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until further notice...The Flood Warning 
continues for
  The Oconee River near Oconee.
* From this morning until further notice.
* At 1 AM Wednesday the stage was 16.3 feet and rising slowly.
* Moderate flooding is forecast.
* Flood stage is 17 feet.
* Forecast to rise above flood stage by this morning and continue to 
  rise to near 21.8 feet by Saturday evening.
* At 21 feet...Moderate flooding begins. The dirt parking lot by 
  the Old Balls Ferry Road boat ramp is under one to three feet of 
  water. The end of Old Balls Ferry Road begins to flood. Flooding 
  continues and spreads further into the woodlands near the river.
  

&&

LAT...LON 3284 8303 3288 8298 3279 8292 3267 8289
      3265 8298 3278 8300             

$$

GAC117-191708-
/O.EXT.KFFC.FL.W.0172.000000T0000Z-200219T1708Z/
/CMGG1.1.ER.200218T2326Z.200219T0530Z.200219T1108Z.UU/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until this afternoon...The Flood Warning 
continues for
  The Big Creek near Cumming.
* Until this afternoon.
* At 12 AM Wednesday the stage was 7.1 feet and steady.
* Minor flooding is occurring and is forecast to continue.
* Flood stage is 6 feet.
* At 7 feet...Minor flooding continues to expand into the natural 
  flood plain of the creek upstream and downstream from the gage at 
  Atlanta Highway or Georgia Highway 9. Large portions of the 
  sidewalk and boardwalk of the Big Creek Greenway will be flooded. 
  The areas under the Georgia 400 Highway and McFarland Road will be 
  covered with around two feet of water. A portion of the sidewalk 
  under Majors Road will be covered with around 3 feet of water. 
  

&&

LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
      3410 8425 3411 8424             

$$

GAC117-121-192042-
/O.EXT.KFFC.FL.W.0171.000000T0000Z-200221T1930Z/
/APHG1.1.ER.200219T0001Z.200220T0000Z.200221T1330Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Friday afternoon...The Flood Warning 
continues for
  The Big Creek near Alpharetta.
* Until Friday afternoon.
* At 12 AM Wednesday the stage was 8.1 feet and rising.
* Minor flooding is occurring and is forecast to continue.
* Flood stage is 7 feet.
* The river is forecast to continue rising to near 9.5 feet by this 
  evening, then fall below flood stage Friday morning.
* At 10 feet...Minor flooding expands along the creek from near 
  Cumming to Alpharetta and Roswell. Backyards of homes off Seale 
  Drive and Gunter Court and portions of the Golf of Georgia are 
  under a foot of water. The Big Creek Greenway experiences 
  significant flooding up to 4 feet deep with closure of the paths. 
  This especially occurs upstream and downstream from the gage on 
  Kimball Bridge Road and Rock Mill Park. A large portion of the YMCA
  Campground off Preston Ridge Road will be under a two feet of 
  water.   

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427             

$$

GAC045-077-149-192042-
/O.EXT.KFFC.FL.W.0183.200219T2221Z-200221T0325Z/
/WHTG1.1.ER.200219T2221Z.200220T1200Z.200220T2125Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Thursday evening...The Flood Warning 
continues for
  The Chattahoochee River near Whitesburg.
* From late this afternoon until Thursday evening.
* At 1 AM Wednesday the stage was 11.6 feet and rising.
* Minor flooding is forecast.
* Flood stage is 17 feet.
* Forecast to rise above flood stage by late this afternoon and 
  continue to rise to near 18.5 feet by tomorrow morning. The river 
  is then forecast to fall below flood stage by tomorrow afternoon.
* At 19 feet...Minor flooding continues in the woodlands and fields
  upstream and downstream from the gage at U.S. Highway 27 or Georgia
  Highway 16. The parking lot of Riverside Park next to the bridge 
  will begin to flood. A sod farm upstream also experiences flooding.
  Flooding occurs on some unimproved dirt roads along the river. The 
  playground at a day use area in the Chattahoochee Bend State Park 
  will be under two feet of water. Flood waters will surround tent 
  platforms on the North Camping Site of the park.
  

&&

LAT...LON 3359 8484 3355 8478 3350 8479 3341 8498
      3344 8505 3350 8493             

$$

GAC063-113-255-192042-
/O.EXT.KFFC.FL.W.0184.200219T2149Z-200220T2242Z/
/LOVG1.1.ER.200219T2149Z.200220T0600Z.200220T1642Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Thursday afternoon...The Flood 
Warning continues for
  The Flint River near Lovejoy.
* From late this afternoon until Thursday afternoon.
* At 12 AM Wednesday the stage was 8.6 feet and rising quickly.
* Minor flooding is forecast.
* Flood stage is 12 feet.
* Forecast to rise above flood stage by late this afternoon and 
  continue to rise to near 13.3 feet by after midnight tomorrow. The 
  river is then forecast to fall below flood stage by tomorrow late 
  morning.
* At 14 feet...Moderate flooding begins. Significant flooding 
  occurs of residential yards upstream of the gage betweenUpper 
  Riverdale Road and Georgia Highway 138. Some roads begin to flood 
  such as Upper Riverdale Road and Mockingbird Road. Flooding expands
  on portions of the Rivers Edge Golf Course. Several holes and 
  fairways will flood. 
  

&&

LAT...LON 3360 8444 3363 8438 3354 8434 3340 8435
      3340 8443 3354 8441             

$$

GAC113-255-192042-
/O.EXT.KFFC.FL.W.0185.200219T0700Z-200222T1500Z/
/GRFG1.1.ER.200219T0700Z.200219T1800Z.200222T0900Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Saturday morning...The Flood Warning 
continues for
  The Flint River near Griffin Hwy. 16.
* From after midnight this morning until Saturday morning.
* At 12 AM Wednesday the stage was 11.4 feet and rising.
* Minor flooding is forecast.
* Flood stage is 12 feet.
* Forecast to rise above flood stage by after midnight this morning 
  and continue to rise to near 14.7 feet by this afternoon. The river 
  is then expected to fall below flood stage by Saturday morning.
* At 15 feet...Minor flooding expands further into the woodlands...
  fields and pasture upstream and downstream from the gage on Georgia
  Highway 16 or Newnan Road. The backyards of homes at the end of 
  Landing Way upstream from the bridge will be flooded with around 
  two feet of water.
  

&&

LAT...LON 3330 8444 3330 8437 3318 8445 3316 8447
      3316 8447 3322 8450             

$$

GAC079-263-269-293-192042-
/O.EXT.KFFC.FL.W.0186.200219T1017Z-200223T1048Z/
/CLUG1.1.ER.200219T1017Z.200220T0600Z.200223T0448Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until late Saturday night...The Flood 
Warning continues for
  The Flint River near Carsonville Hwy. 19.
* From early this morning until late Saturday night.
* At 12 AM Wednesday the stage was 14.8 feet and rising.
* Minor flooding is forecast.
* Flood stage is 18 feet.
* Forecast to rise above flood stage by early this morning and 
  continue to rise to near 23.4 feet by after midnight tomorrow. The 
  river is then expected to fall below flood stage by Saturday before 
  midnight.
* At 24 feet...Minor flooding expands further into the woodlands 
  and fields along the river upstream and downstream from the gage on
  U.S. Highway 19. The flood waters will be up to 6 feet deep over 
  the top of the boat ramp and cover a portion of the access road by 
  the bridge on the Taylor County side of the river.
  

&&

LAT...LON 3280 8430 3275 8421 3257 8398 3253 8405
      3265 8415 3276 8437             

$$

GAC135-297-191353-
/O.EXT.KFFC.FL.W.0177.000000T0000Z-200219T1353Z/
/ALCG1.1.ER.200219T0232Z.200219T0502Z.200219T0753Z.UU/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until this morning...The Flood Warning 
continues for
  The Alcovy River near Lawrenceville.
* Until this morning.
* At 1 AM Wednesday the stage was 10 feet and falling.
* Minor flooding is occurring.
* Flood stage is 9 feet.
* The river to expected to continue to fall to below flood stage early 
  Wednesday morning.
* At 10 feet...Minor flooding continues to expand further into the 
  woodlands upstream and downstream from the river gauge at New Hope 
  Road.
  

&&

LAT...LON 3391 8394 3394 8392 3396 8388 3383 8374 3379 8379


$$

GAC135-191346-
/O.EXT.KFFC.FL.W.0176.000000T0000Z-200219T1346Z/
/STWG1.1.ER.200219T0206Z.200219T0445Z.200219T0746Z.UU/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until this morning...The Flood Warning 
continues for
  The Sweetwater Creek near Lilburn.
* Until this morning.
* At 12 AM Wednesday the stage was 11.2 feet and falling.
* Minor flooding is occurring.
* Flood stage is 11 feet.
* The river is forecast to fall to below flood stage early Wednesday
  morning.
* At 11 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.
  

&&

LAT...LON 3398 8414 3398 8407 3391 8406 3389 8408 3389 8412


$$

GAC089-247-192042-
/O.EXT.KFFC.FL.W.0187.200219T1006Z-200220T1825Z/
/YLOG1.1.ER.200219T1006Z.200220T0000Z.200220T1225Z.UU/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Thursday afternoon...The Flood 
Warning continues for
  The Yellow River near East Lithonia.
* From early this morning until Thursday afternoon.
* At 1 AM Wednesday the stage was 9.6 feet and rising.
* Minor flooding is forecast.
* Flood stage is 13 feet.
* Forecast to rise above flood stage by early this morning and 
  continue to rise to near 16.6 feet by this evening. The river  
  is then expected to fall below flood stage by tomorrow morning.
* At 17 feet...Moderate flooding begins. Significant flooding 
  expands into the woodlands and fields near the river upstream and 
  downstream from the gage on Pleasant Hill Road. In Dekalb County...
  some flooding of backyards of homes occurs on Harmony Hills Drive 
  and Court. Johnson Creek flowing under Union Grove Road into the 
  river continues to back up.  In Rockdale County...some flooding of 
  yards begins in the Lake Capri subdivision.
  

&&

LAT...LON 3377 8409 3377 8402 3372 8399 3367 8403


$$

GAC169-191933-
/O.EXT.KFFC.FL.W.0191.000000T0000Z-200219T1933Z/
/FALG1.1.ER.200219T0445Z.200219T0900Z.200219T1333Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until this afternoon...The Flood Warning 
continues for
  The Falling Creek near East Juliette .
* Until this afternoon.
* At 12 AM Wednesday the stage was 13.8 feet and quickly rising.
* Minor flooding is occurring and is forecast to continue.
* Flood stage is 13 feet.
* The river is expected to continue rising to near 15.2 feet by early 
  this morning, then fall below flood stage before noon on Wednesday.
* At 13 feet...Flood stage is reached. Minor flooding begins in the
  woodlands and natural flood plain along the creek in the Piedmont 
  National Wildlife Refuge upstream and downstream from the gage on 
  Round Oak-Juliette Road. 
  

&&

LAT...LON 3316 8377 3317 8366 3310 8368 3303 8368
      3302 8372 3310 8376             

$$

GAC021-153-169-207-289-192042-
/O.EXT.KFFC.FL.W.0167.000000T0000Z-000000T0000Z/
/MACG1.1.ER.200218T2300Z.200222T0000Z.000000T0000Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until further notice...The Flood Warning 
continues for
  The Ocmulgee River near Macon.
* Until further notice.
* At 11 PM Tuesday the stage was 19.2 feet and rising.
* Minor flooding is forecast.
* Flood stage is 18 feet.
* The river to forecast to continue rising to near 23.8 feet by Friday 
  evening then begin falling.
* At 23 feet...Minor flooding continues to expand. Large portions 
  of the Macon GreenWay Ocmulgee Heritage Trail floods north of the 
  Martin Luther King Boulevard bridge. The flood waters will be up to
  3 feet deep on portions of the trail. Large portions of 
  agricultural lands east of Macon and well downstream will be under 
  1 to 5 feet of water.
  

&&

LAT...LON 3290 8372 3293 8367 3282 8356 3266 8353
      3263 8359 3274 8363             

$$

GAC013-157-192042-
/O.EXT.KFFC.FL.W.0189.200219T1032Z-200220T1121Z/
/ACDG1.1.ER.200219T1032Z.200219T1800Z.200220T0521Z.NO/
143 AM EST Wed Feb 19 2020

...Flood Warning extended until Thursday morning...The Flood Warning 
continues for
  The Middle Oconee River near Arcade.
* From early this morning until Thursday morning.
* At 12 AM Wednesday the stage was 11.1 feet and rising.
* Minor flooding is forecast.
* Flood stage is 16 feet.
* Forecast to rise above flood stage by early this morning and 
  continue to rise to near 19.5 feet by this afternoon. The river
  is then expected tofall below flood stage by after midnight tomorrow.
* At 20 feet...Minor flooding continues to expand further into the 
  woodlands...fields and pasture upstream and downstream from the 
  gage at Georgia Highway 82. A few dirt access roads and a 
  residential yard just downstream will be flooded with up to 4 feet 
  of water.
  

&&

LAT...LON 3404 8377 3410 8375 3406 8355 3400 8347
      3395 8352 3402 8363             

$$
418 
WGUS82 KFFC 190924
FLSFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Statement
National Weather Service Peachtree City GA
424 AM EST Wed Feb 19 2020

...The Flood Warning is cancelled for the following rivers in 
Georgia...
 
  Shoal Creek near Sharpsburg affecting Coweta County

  Alcovy River near Lawrenceville affecting Gwinnett and Walton 
  Counties

 
GAC077-190954-
/O.CAN.KFFC.FL.W.0180.000000T0000Z-200219T0924Z/
/SHPG1.1.ER.200219T0404Z.200219T0600Z.200219T0739Z.UU/
424 AM EST Wed Feb 19 2020

The Flood Warning is cancelled for
  The Shoal Creek near Sharpsburg.
* This takes effect immediately.
* At 4 AM Wednesday the stage was 9.5 feet and falling.
* Flood stage is 10 feet.
* The creek will continue to fall.
* At 10 feet...Flood stage is reached. Minor flooding begins in the
  woodlands and fields along the creek upstream and downstream from 
  the gage on Georgia Highway 54.
  

&&

LAT...LON 3342 8470 3345 8464 3338 8460 3336 8463


$$

GAC135-297-190954-
/O.CAN.KFFC.FL.W.0177.000000T0000Z-200219T1353Z/
/ALCG1.1.ER.200219T0232Z.200219T0502Z.200219T0825Z.UU/
424 AM EST Wed Feb 19 2020

The Flood Warning is cancelled for
  The Alcovy River near Lawrenceville.
* This takes effect immediately.
* At 4 AM Wednesday the stage was 8.8 feet and falling.
* Flood stage is 9 feet.
* The river will continue to fall.
* At 9 feet...Flood stage is reached. Minor flooding begins of the 
  woodlands upstream and downstream from the river gauge at New Hope 
  Road.

&&

LAT...LON 3391 8394 3394 8392 3396 8388 3383 8374 3379 8379


$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this river flood warning went out at Feb 18, 9:20 PM EST, 42 minutes earlier.

Area forecast discussion, Feb 18, 9:20 PM EST, 42 minutes before
Area Forecast Discussion
National Weather Service Peachtree City GA
920 PM EST Tue Feb 18 2020

.UPDATE...
Frontal boundary is currently across central AL with a warm front
cross central GA. A wave of low pressure has developed along the
front and will continue to push NE overnight. The front will slowly
push southward overnight with widespread rainfall beginning to taper
off around or just after 12Z for northern portions of GA. Have made
some tweaks to the pops, as the hi-res models have played catch up
all evening. Otherwise, no major changes. No changes to the Flash
Flood Watch needed either.

&&

PREV DISCUSSION... /Issued 325 PM EST Tue Feb 18 2020/

SHORT TERM /Tonight through Wednesday Night/...

Current satellite loop shows showers and isolated thunderstorms
moving east across the southeastern states. These storms are
associated with a frontal boundary extending from the New england
states to the TX/MX border. This boundary is expected to move slowly
SE through GA and stall somewhere across south GA Wednesday evening.
Precip is expected to continue across the area through the short
term but they will tapper off a bit Wed afternoon especially across
areas N of the Interstate 20 corridor. The main area of precip is
across N GA but it will slide slowly south with the frontal movement
over the next 24 to 36 hours. We have see 1 to 2 inches across areas
south of an Atlanta to Augusta line with some isolated 3 inch
amounts over the past 24 hours. With this boundary moving through
the CWA we could see an additional 1 to 2 inches through Wednesday
night. This is the main reason we have issued a Flash flood watch
for portions of North and Central GA. There is some low CAPE
developing this afternoon but shear params continue to remain
limited. With this in mind we are still not expecting and strong to
severe storms with this system.

Temps still expected to stay a bit on the warm side tonight and
Wednesday with lows in the 40s and 50s and highs in the 50s and 60s.
slightly cooler air moves into N GA Wed night behind the frontal
boundary with lows expected in the 30 and 40s.

01

LONG TERM /Thursday through Tuesday/...

Same story, different day. Rounds of on and off rain provided by
multiple frontal passages in combination with several upper level
disturbances will move through the area within the long term period.

Mid-level zonal flow with short-wave surface perturbations will
bring a round of rain to the area ahead of an approaching cold front
at the start of the forecast period on Thursday. As the trough digs
in behind the front, there is the possibility of wintry mix across
portions of north Georgia Thursday night, especially across the
higher elevations. Some light accumulations cannot be ruled out and
amounts could change closer to the event.

The front should exit the CWA on Friday which will give a brief
reprieve from the rain on Saturday with slight upper level ridging
and a surface high building in over the SE. SW mid and upper level
flow will return on Sunday evening with a surface low developing on
Monday over the Great Plains region, with precipitation expected to
return mid week ahead of another cold front.

High temperatures will run 10-20 degrees below normal on Thursday
through Sunday.

Morgan

AVIATION...
00Z Update...
A few breaks in the IFR/LIFR around the ATL metro possible for
the next couple of hours, but do expect CIGs to fill back into IFR
by 03Z. Some patchy LIFR is possible. A cold front will move
through overnight, and some improvement in CIGs is possible right
around 12Z WED. Very light surface winds right now, with
convection influencing some of the directions. Should be a switch
over to the SW side by 02-03Z, with speeds of 5kt or less. Winds
should switch around to the E late tomorrow as a wedge builds in.
Thunder is possible for the next couple of hours.

//ATL Confidence...00Z Update...
Med confidence.

NListemaa

&&

.PRELIMINARY POINT TEMPS/POPS...
Athens          54  56  40  43 /  90  60  60  70
Atlanta         49  55  40  44 /  90  60  70  80
Blairsville     45  53  37  41 /  80  40  50  70
Cartersville    47  55  40  43 /  80  50  60  70
Columbus        58  63  45  48 /  90  70  80  90
Gainesville     50  54  39  42 /  90  60  50  70
Macon           60  63  42  45 /  90  70  80  90
Rome            47  54  41  43 /  70  50  60  70
Peachtree City  52  58  42  44 / 100  70  70  80
Vidalia         62  68  45  47 /  70  70  80  90

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch through Wednesday afternoon for the following
zones: Baldwin...Banks...Barrow...Bartow...Butts...Carroll...
Chattooga...Cherokee...Clarke...Clayton...Cobb...Coweta...
Dawson...DeKalb...Douglas...Fayette...Floyd...Forsyth...Gordon...
Greene...Gwinnett...Hall...Hancock...Haralson...Harris...Heard...
Henry...Jackson...Jasper...Jones...Lamar...Madison...
Meriwether...Monroe...Morgan...Newton...North Fulton...Oconee...
Oglethorpe...Paulding...Pickens...Pike...Polk...Putnam...
Rockdale...South Fulton...Spalding...Talbot...Taliaferro...
Troup...Upson...Walton...Warren...Wilkes.

&&

SHORT TERM...NListemaa
LONG TERM....Morgan
AVIATION...NListemaa
Hazardous weather outlook, Feb 18, 9:11 PM EST, 51 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
911 PM EST Tue Feb 18 2020

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-191030-
Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa-
Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta-
Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel-
Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene-
Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson-
Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon-
Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray-
Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach-
Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton-
Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs-
Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren-
Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes-
Wilkinson-
911 PM EST Tue Feb 18 2020

This Hazardous Weather Outlook is for portions of North and Central Georgia.

.DAY ONE...Tonight...

A Flash Flood Watch is in effect for portions of north and
central Georgia through Wednesday afternoon. Heavy rain will be
possible with ponding on roadways and some nuisance flooding,
especially in low-lying or highly urbanized areas.

There is also a slight chance of thunderstorms across parts of
north and central Georgia today and tonight. Some storms could be
strong to severe with the main threat being damaging winds.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday...

Periods of possible heavy rain could occur through Thursday.
Please monitor forecast updates if there is an increased threat of
flooding. Also, the interaction of some colder air could allow
for some transition to light snow in parts of far northeast
Georgia for Thursday evening. Some light accumulations cannot be
ruled out so please monitor future updates. Otherwise, no
hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

In the hours before

Special weather statement, Feb 18, 7:18 PM EST, 2 hours 44 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
718 PM EST Tue Feb 18 2020

GAZ042-044-052>054-066-190045-
Fayette GA-Coweta GA-Carroll GA-Troup GA-Heard GA-South Fulton GA-
718 PM EST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN FAYETTE...COWETA...
SOUTHEASTERN CARROLL...NORTHERN TROUP...HEARD AND SOUTHERN SOUTH
FULTON COUNTIES UNTIL 745 PM EST...

At 718 PM EST...a line of strong thunderstorms was along a line
extending from Byers Crossroads to Handy to near Texas...and moving
east at 35 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light...unsecured objects. Heavy rain may cause temporary
           street flooding especially in poor drainage areas.

Some locations in the path of these storms include
Newnan, Franklin, Peachtree City, Union City, Fairburn, Tyrone,
Palmetto, Grantville, Whitesburg, Centralhatchee, Moreland,
Sharpsburg, Turin, East Newnan, Corinth, Plant Yates, Seaton Lake,
Dunaway Gardens, Cannongate and Harrisonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3342 8506 3355 8496 3357 8446 3328 8465
      3322 8481 3322 8485 3321 8485 3310 8514
      3325 8526 3334 8527
TIME...MOT...LOC 0018Z 283DEG 31KT 3351 8488 3336 8497 3328 8521

WIND...40MPH
Special weather statement, Feb 18, 7:44 PM EST, 2 hours 18 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
744 PM EST Tue Feb 18 2020

GAZ052>058-066-067-190115-
Butts GA-Fayette GA-Clayton GA-Coweta GA-Troup GA-Heard GA-
Spalding GA-Meriwether GA-Henry GA-
744 PM EST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BUTTS...FAYETTE...
SOUTHERN CLAYTON...COWETA...NORTHERN TROUP...SOUTHERN HEARD...
NORTHERN SPALDING...NORTHWESTERN MERIWETHER AND HENRY COUNTIES UNTIL
815 PM EST...

At 744 PM EST...a line of strong thunderstorms was along a line
extending from Bonanza to near Sharpsburg to near Texas...and moving
east at 75 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of these storms include
Newnan, McDonough, Fayetteville, Franklin, Peachtree City,
Stockbridge, Hampton, Tyrone, Lovejoy, Locust Grove, Senoia,
Hogansville, Grantville, Luthersville, Brooks, Moreland, Sharpsburg,
Turin, Haralson and Woolsey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3350 8446 3350 8403 3349 8402 3348 8395
      3343 8391 3333 8411 3312 8515 3318 8525
      3319 8525 3325 8526
TIME...MOT...LOC 0044Z 268DEG 64KT 3347 8432 3333 8470 3321 8518
Special weather statement, Feb 18, 8:12 PM EST, 1 hour 50 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
812 PM EST Tue Feb 18 2020

GAZ052>058-066-067-190145-
Butts GA-Fayette GA-Clayton GA-Coweta GA-Troup GA-Heard GA-
Spalding GA-Meriwether GA-Henry GA-
812 PM EST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BUTTS...SOUTHERN
FAYETTE...SOUTHERN CLAYTON...SOUTHERN COWETA...NORTHERN TROUP...
SOUTHERN HEARD...SPALDING...NORTHERN MERIWETHER AND SOUTHERN HENRY
COUNTIES UNTIL 845 PM EST...

At 812 PM EST...a line of strong thunderstorms was along a line
extending from near Ola to near Glenn...and moving east at 40 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of these storms include
LaGrange, Griffin, McDonough, Peachtree City, Hampton, Lovejoy,
Locust Grove, Senoia, Hogansville, Grantville, Luthersville, Brooks,
Moreland, Jenkinsburg, Sharpsburg, Turin, Haralson, Woolsey, Sunny
Side and Lone Oak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3348 8419 3344 8392 3337 8386 3335 8386
      3301 8518 3306 8523 3322 8526
TIME...MOT...LOC 0112Z 276DEG 37KT 3344 8401 3314 8523
Special weather statement, Feb 18, 8:43 PM EST, 1 hour 19 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
843 PM EST Tue Feb 18 2020

GAZ052>054-056>058-066>068-070-190215-
Butts GA-Fayette GA-Lamar GA-Coweta GA-Troup GA-Heard GA-Spalding GA-
Meriwether GA-Pike GA-Henry GA-
843 PM EST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR BUTTS...SOUTHEASTERN FAYETTE...
NORTHWESTERN LAMAR...SOUTHERN COWETA...TROUP...SOUTHERN HEARD...
SPALDING...NORTHERN MERIWETHER...NORTHERN PIKE AND SOUTHERN HENRY
COUNTIES UNTIL 915 PM EST...

At 842 PM EST...a line of strong thunderstorms was along a line
extending from Worthville to Abbottsford...and moving east at 25 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of these storms include
LaGrange, Griffin, McDonough, Jackson, Hampton, Locust Grove, Senoia,
Hogansville, Grantville, Luthersville, Flovilla, Brooks, Moreland,
Jenkinsburg, Williamson, Orchard Hill, Haralson, Woolsey, Sunny Side
and Lone Oak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3337 8439 3335 8435 3338 8435 3346 8395
      3329 8383 3327 8383 3293 8517 3318 8525
TIME...MOT...LOC 0142Z 289DEG 21KT 3338 8392 3303 8519
Special weather statement, Feb 18, 9:13 PM EST, 49 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
913 PM EST Tue Feb 18 2020

GAZ052>054-056>059-066>068-070>072-190245-
Butts GA-Fayette GA-Monroe GA-Coweta GA-Troup GA-Jones GA-Heard GA-
Jasper GA-Meriwether GA-Pike GA-Henry GA-Lamar GA-Spalding GA-
913 PM EST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR BUTTS...SOUTHERN FAYETTE...
NORTHERN MONROE...SOUTHEASTERN COWETA...TROUP...NORTHWESTERN JONES...
SOUTHERN HEARD...SOUTHWESTERN JASPER...MERIWETHER...PIKE...SOUTHERN
HENRY...LAMAR AND SPALDING COUNTIES UNTIL 945 PM EST...

At 913 PM EST...a line of strong thunderstorms was along a line
extending from near Flovilla to State Line Park...and moving
southeast at 30 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of these storms include
LaGrange, Griffin, Barnesville, Jackson, Zebulon, Greenville, Locust
Grove, Hogansville, Woodbury, Luthersville, Flovilla, Milner, Brooks,
Jenkinsburg, Molena, Williamson, Orchard Hill, Meansville, Haralson
and Aldora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3338 8388 3313 8358 3288 8519 3315 8524
TIME...MOT...LOC 0213Z 299DEG 27KT 3324 8383 3302 8520
Special weather statement, Feb 18, 9:44 PM EST, 18 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
944 PM EST Tue Feb 18 2020

GAZ056-058-059-067>072-190315-
Butts GA-Lamar GA-Monroe GA-Upson GA-Jones GA-Jasper GA-Spalding GA-
Meriwether GA-Pike GA-
944 PM EST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR BUTTS...LAMAR...NORTHERN
MONROE...NORTHERN UPSON...NORTHWESTERN JONES...SOUTHERN JASPER...
SOUTHERN SPALDING...MERIWETHER AND PIKE COUNTIES UNTIL 1015 PM EST...

At 944 PM EST...a line of strong thunderstorms was along a line
extending from Hillsboro to Odessadale...and moving east at 35 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of these storms include
Griffin, Thomaston, Barnesville, Jackson, Forsyth, Monticello,
Zebulon, Greenville, Woodbury, Luthersville, Flovilla, Milner, Warm
Springs, Molena, Williamson, Orchard Hill, Meansville, Aldora, Lone
Oak and Gay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3322 8451 3324 8450 3337 8354 3317 8355
      3317 8353 3304 8352 3286 8475 3287 8484
      3319 8485
TIME...MOT...LOC 0244Z 267DEG 32KT 3319 8367 3302 8481

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 18, 7:15 PM ESTRiver Flood WarningFFCForsyth13 hr
Feb 18, 7:18 PM ESTSpecial Weather StatementFFCCoweta, Heard27 min
Feb 18, 7:44 PM ESTSpecial Weather StatementFFCCoweta, Fayette, Henry31 min
Feb 18, 8:02 PM ESTRiver Flood WarningFFCGwinnett18 hr
Feb 18, 8:12 PM ESTSpecial Weather StatementFFCHenry, Spalding33 min
Feb 18, 8:33 PM ESTRiver Flood WarningFFCCobb3 hr
Feb 18, 8:43 PM ESTSpecial Weather StatementFFCButts, Spalding, Troup32 min
Feb 18, 9:13 PM ESTSpecial Weather StatementFFCButts, Lamar, Meriwether, Pike, Spalding, Troup32 min
Feb 18, 9:36 PM ESTRiver Flood WarningFFCMontgomery, Treutlen, Wheeler26 days
Feb 18, 9:38 PM ESTFlash Flood WarningFFCTroup6 hr
Feb 18, 9:39 PM ESTRiver Flood WarningFFCGwinnett21 days
Feb 18, 9:44 PM ESTSpecial Weather StatementFFCButts, Jasper, Lamar, Meriwether, Monroe, Pike and 1 more31 min
Feb 18, 10:13 PM ESTSpecial Weather StatementFFCJones, Lamar, Meriwether, Monroe, Pike32 min
Feb 18, 10:19 PM ESTRiver Flood WarningFFCCobb, Fulton21 days
Feb 18, 10:46 PM ESTSpecial Weather StatementFFCHarris, Lamar, Monroe, Upson29 min
Feb 18, 11:31 PM ESTSpecial Weather StatementFFCButts, Coweta, Fayette, Heard, Lamar, Meriwether and 2 more3 hr
Feb 18, 11:39 PM ESTRiver Flood WarningFFCCherokee10 hr
Feb 18, 11:39 PM ESTRiver Flood WarningFFCCoweta21 days
Feb 18, 11:39 PM ESTRiver Flood WarningFFCCoweta, Fayette7 hr
Feb 18, 11:57 PM ESTRiver Flood WarningFFCClarke, Greene, Oconee4 days
Feb 18, 11:57 PM ESTRiver Flood WarningFFCCarroll, Coweta, Heard10 hr
Feb 18, 11:57 PM ESTRiver Flood WarningFFCClayton, Fayette, Spalding27 hr
Feb 18, 11:57 PM ESTRiver Flood WarningFFCFayette, Spalding61 hr
Feb 18, 11:57 PM ESTRiver Flood WarningFFCCrawford, Talbot, Taylor, Upson4 days
Feb 18, 11:57 PM ESTRiver Flood WarningFFCDeKalb, Rockdale37 hr
Feb 18, 11:57 PM ESTRiver Flood WarningFFCNewton, Rockdale54 hr
Feb 18, 11:57 PM ESTRiver Flood WarningFFCBarrow, Jackson11 hr
Feb 19, 12:20 AM ESTRiver Flood WarningFFCCoweta, Fayette, Spalding26 hr
Feb 19, 12:20 AM ESTRiver Flood WarningFFCJones21 days
Feb 19, 12:30 AM ESTRiver Flood WarningFFCLamar, Spalding5 hr
Feb 19, 2:43 AM ESTRiver Flood WarningFFCMonroe30 hr
Feb 19, 3:11 AM ESTRiver Flood WarningFFCBaldwin, Washington, Wilkinson34 hr
Feb 19, 3:21 AM ESTRiver Flood WarningFFCHeard21 hr
Feb 19, 10:49 AM ESTRiver Flood WarningFFCBleckley, Pulaski21 days
Feb 19, 11:54 AM ESTRiver Flood WarningFFCTalbot, Upson51 hr
Feb 19, 12:20 PM ESTRiver Flood WarningFFCWashington, Wilkinson3 days
Feb 19, 1:40 PM ESTRiver Flood WarningFFCBibb, Crawford, Houston, Peach30 hr
Feb 19, 2:00 PM ESTWinter Weather AdvisoryFFCDawson, Fannin, Gilmer, Lumpkin, Murray, Pickens and 3 more30 hr
Feb 19, 5:36 PM ESTRiver Flood WarningFFCJones, Monroe9 hr
Feb 19, 5:36 PM ESTRiver Flood WarningFFCButts, Henry, Newton6 hr
Feb 19, 5:48 PM ESTRiver Flood WarningFFCChattahoochee, Muscogee66 hr

Nearby

River Flood Warnings in Georgia, 2020Every river flood warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.