Alert archive / Georgia / Flash Flood Watches in 2021

Flash Flood Watch 13, NWS Tallahassee, FL

September 19, 202116 counties in Florida; 18 counties in Georgia; 5 counties in Alabama

NWS Tallahassee, FL issued this flash flood watch at Sep 19, 2021, 1:07 PM CDT for 16 counties in Florida; 18 counties in Georgia; 5 counties in Alabama. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 2021, 1:07 PM CDT (18:07 UTC)
Expired
Sep 20, 2021, 2:14 AM CDT
In force
13 hr
Issued by
NWS Tallahassee, FL
Flood severity
None
All 39 counties

Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Lee County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 65 km from the middle of the area, began a volume at 18:06 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.1 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2021-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 320 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2021-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
320 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

912 
WGUS62 KTAE 191807
FFATAE

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tallahassee FL
207 PM EDT Sun Sep 19 2021

...Localized Flash Flooding will be Possible through Tonight...


ALZ065>069-FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-
GAZ120>127-142>146-155>159-201200-
/O.NEW.KTAE.FF.A.0013.210919T1807Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coffee-Dale-Henry-Geneva-Houston-North Walton-Central Walton-
Holmes-Washington-Jackson-Inland Bay-Calhoun-Inland Gulf-
Inland Franklin-Gadsden-Leon-Inland Jefferson-Madison-Liberty-
Inland Wakulla-Inland Taylor-Lafayette-Inland Dixie-South Walton-
Coastal Bay-Coastal Gulf-Coastal Franklin-Coastal Jefferson-
Coastal Wakulla-Coastal Taylor-Coastal Dixie-Quitman-Clay-
Randolph-Terrell-Dougherty-Lee-Worth-Early-Miller-Baker-Mitchell-
Colquitt-Seminole-Decatur-Grady-Thomas-Brooks-
Including the cities of Battens Crossroads, Enterprise, 
Enterprise Municipal A/P, Keyton, Asbury, Beamon, 
Blackwell Field A/P, Browns Crossroads, Daleville, Dill, Ewell, 
Fort Rucker, Mabson, Ozark, Blackwood, Headland, 
Headland Municipal A/P, Abbeville, Abbeville Municipal A/P, 
Lawrenceville, Screamer, Geneva, Geneva Municipal A/P, Fadette, 
Hartford, Ganer, Hacoda, Logan Field Municipal A/P, Dothan, 
Ashford, Cottonwood, Alpine Heights, Argyle, Center Ridge, 
Cluster Springs, De Funiak Spring Airport, De Funiak Springs, 
Glendale, Eucheeanna, Pleasant Ridge, Barker Store, Leonia, 
New Hope, Bonifay, Holmes County Airport, Cobb Crossroads, 
Crystal Lake, Poplar Head, Chipley, Chipley Municipal Airport, 
Orange Hill, Five Points, Marianna, Simsville, 
Richter Crossroads, Browntown, Graceville, Malone, Sneads, 
Bennett, Econfina, Nixon, Youngstown, Abe Springs, Blountstown, 
Clarksville, Durham, Frink, Marysville, Scotts Ferry, 
Howard Creek, Dalkeith, Honeyville, Wewahitchka, Beverly, 
Buck Siding, Fort Gadsden, Morgan Place, Littman, Quincy, 
Quincy Airport, Santa Clara, Wetumpka, Chattahoochee, 
Hardin Heights, Bradfordville, Capitola, Chaires, 
Chaires Crossroads, Killearn Estates, Killearn Lakes, 
Maclay State Gardens, Tallahassee, Alma, Capps, Casa Blanco, 
Dills, Drifton, Festus, Jarrott, Monticello, Lovett, Cherry Lake,
Hanson, Hopewell, Madison, Pinetta, Sweetwater, Bethel, 
Hilliardville, Wakulla Springs, Athena, Boyd, Bucell Junction, 
Cabbage Grove, Carbur, Fenholloway, Perry, Midway, Buckville, 
Cooks Hammock, Day, Mayo, Cross City, Cross City Airport, Hines, 
Jonesboro, Old Town, Sandestin, Santa Rosa Beach, 
Turquoise Beach, Bunker, Freeport, Portland, Port Washington, 
Panama City, Callaway, Cairo, Lynn Haven, Southport, Vicksburg, 
Magnolia Beach, Oak Grove, Odena, Port St. Joe, White City, 
Beacon Hill, Overstreet, Saint Joe Beach, Apalachicola, 
Apalachicola Airport, Bay City, Tilton, Creels, Hays Place, 
High Bluff, Buckhorn, Medart, Panacea, Sopchoppy, Port Leon, 
Saint Marks, Adams Beach, Blue Springs, Cedar Island, 
Dekle Beach, Fish Creek, Howell Place, Yellow Jacket, 
Horseshoe Beach, Jena, Shired Island, Suwannee, Crossroads, 
Georgetown, Hatcher, Wire Bridge, Union, Bagby State Park, 
Days Crossroads, Fort Gaines, Jones Crossing, Moores Crossroads, 
Pecan, Ricks Place, Benevolence, Coles, Cuthbert, Peterson Hill, 
Shivers Mill, Springvale, Springvale Station, Arlington, 
Commissary Hill, Cordrays Mill, Dickey, Morgan, Williamsburg, 
Edison, Clarks Mill, Dawson, Dawson Municipal A/P, Doverel, 
Graves, Herod, Yeomans, Albany, East Albany, Lockett Crossing, 
Pretoria, Southwest Ga Regional A/P, Turner City, Walker, 
Forrester, Leesburg, Palmyra, Alfords, Gammage, Gordy, Isabella, 
Red Rock, Sylvester, Sylvester Airport, Douglasville, Blakely, 
Centerville, Cuba, Early Co A/P, Mayhaw, Babcock, Bellview, 
Boykin, Colquitt, Cooktown, Elmodel Wma, Hawkinstown, 
Hoggard Mill, Newton, Red Store Crossroads, Iveys Mill, Milford, 
Branchville, Camilla, Mitchell Co A/P, Cotton, Pelham, Moultrie, 
Moultrie Municipal A/P, Spence Airport, Davis Park, 
Donaldsonville A/P, Donalsonville, Little Hope, Riverturn, 
Fairchild, Seminole State Park, Ausmac, Bainbridge, 
Decatur Co A/P, Hanover, Lynn, Steinham Store, West Bainbridge, 
Beachton, Capel, Elpino, Grady Co A/P, Moncrief, Pine Park, 
Dillon, Metcalf, Pasco, Thomasville, Brooks Co A/P, Dixie, 
Empress, Nankin, Quitman, and Grooverville
207 PM EDT Sun Sep 19 2021 /107 PM CDT Sun Sep 19 2021/

...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY MORNING...

The National Weather Service in Tallahassee has issued a

* Flash Flood Watch for portions of southeast Alabama, Florida, 
  and Georgia, including the following areas, in southeast 
  Alabama, Coffee, Dale, Geneva, Henry, and Houston. In Florida, 
  Calhoun, Central Walton, Coastal Bay, Coastal Dixie, Coastal 
  Franklin, Coastal Gulf, Coastal Jefferson, Coastal Taylor, 
  Coastal Wakulla, Gadsden, Holmes, Inland Bay, Inland Dixie, 
  Inland Franklin, Inland Gulf, Inland Jefferson, Inland Taylor, 
  Inland Wakulla, Jackson, Lafayette, Leon, Liberty, Madison, 
  North Walton, South Walton, and Washington. In Georgia, Baker, 
  Brooks, Calhoun, Clay, Colquitt, Decatur, Dougherty, Early, 
  Grady, Lee, Miller, Mitchell, Quitman, Randolph, Seminole, 
  Terrell, Thomas, and Worth. 

* Through Monday morning

* Heavy rain is possible this afternoon and evening across much of
  the county warning area. Widespread 2-3 inches of rain will be
  possible with isolated amounts up to 4-6 inches. With the ground
  remaining saturated from previous events and the threat for slow
  moving rain and thunderstorms, localized flash flooding will be
  possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
2 follow-up statements
089 
WGUS62 KTAE 200255
FFATAE

Flood Watch
National Weather Service Tallahassee FL
1055 PM EDT Sun Sep 19 2021

ALZ065>069-FLZ007>017-026-027-108-112-114-115-118-127-GAZ155-156-
200400-
/O.CAN.KTAE.FF.A.0013.000000T0000Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coffee-Dale-Henry-Geneva-Houston-North Walton-Central Walton-
Holmes-Washington-Jackson-Inland Bay-Calhoun-Inland Gulf-
Inland Franklin-Gadsden-Leon-Liberty-Inland Wakulla-South Walton-
Coastal Bay-Coastal Gulf-Coastal Franklin-Coastal Jefferson-
Coastal Wakulla-Seminole-Decatur-
Including the cities of Battens Crossroads, Enterprise, 
Enterprise Municipal A/P, Keyton, Asbury, Beamon, 
Blackwell Field A/P, Browns Crossroads, Daleville, Dill, Ewell, 
Fort Rucker, Mabson, Ozark, Blackwood, Headland, 
Headland Municipal A/P, Abbeville, Abbeville Municipal A/P, 
Lawrenceville, Screamer, Geneva, Geneva Municipal A/P, Fadette, 
Hartford, Ganer, Hacoda, Logan Field Municipal A/P, Dothan, 
Ashford, Cottonwood, Alpine Heights, Argyle, Center Ridge, 
Cluster Springs, De Funiak Spring Airport, De Funiak Springs, 
Glendale, Eucheeanna, Pleasant Ridge, Barker Store, Leonia, 
New Hope, Bonifay, Holmes County Airport, Cobb Crossroads, 
Crystal Lake, Poplar Head, Chipley, Chipley Municipal Airport, 
Orange Hill, Five Points, Marianna, Simsville, 
Richter Crossroads, Browntown, Graceville, Malone, Sneads, 
Bennett, Econfina, Nixon, Youngstown, Abe Springs, Blountstown, 
Clarksville, Durham, Frink, Marysville, Scotts Ferry, 
Howard Creek, Dalkeith, Honeyville, Wewahitchka, Beverly, 
Buck Siding, Fort Gadsden, Morgan Place, Littman, Quincy, 
Quincy Airport, Santa Clara, Wetumpka, Chattahoochee, 
Hardin Heights, Bradfordville, Capitola, Chaires, 
Chaires Crossroads, Killearn Estates, Killearn Lakes, 
Maclay State Gardens, Tallahassee, Sweetwater, Bethel, 
Hilliardville, Wakulla Springs, Sandestin, Santa Rosa Beach, 
Turquoise Beach, Bunker, Freeport, Portland, Port Washington, 
Panama City, Callaway, Cairo, Lynn Haven, Southport, Vicksburg, 
Magnolia Beach, Oak Grove, Odena, Port St. Joe, White City, 
Beacon Hill, Overstreet, Saint Joe Beach, Apalachicola, 
Apalachicola Airport, Bay City, Tilton, Creels, Hays Place, 
High Bluff, Buckhorn, Medart, Panacea, Sopchoppy, Port Leon, 
Saint Marks, Davis Park, Donaldsonville A/P, Donalsonville, 
Little Hope, Riverturn, Fairchild, Seminole State Park, Ausmac, 
Bainbridge, Decatur Co A/P, Hanover, Lynn, Steinham Store, 
and West Bainbridge
1055 PM EDT Sun Sep 19 2021 /955 PM CDT Sun Sep 19 2021/

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of southeast Alabama, Florida,
and southwest Georgia has been cancelled. Heavy rain has ended.

$$

FLZ018-019-028-029-034-128-134-GAZ120>127-142>146-157>159-201100-
/O.CON.KTAE.FF.A.0013.000000T0000Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inland Jefferson-Madison-Inland Taylor-Lafayette-Inland Dixie-
Coastal Taylor-Coastal Dixie-Quitman-Clay-Randolph-Calhoun-
Terrell-Dougherty-Lee-Worth-Early-Miller-Baker-Mitchell-Colquitt-
Grady-Thomas-Brooks-
Including the cities of Alma, Capps, Casa Blanco, Dills, Drifton,
Festus, Jarrott, Monticello, Lovett, Cherry Lake, Hanson, 
Hopewell, Madison, Pinetta, Athena, Boyd, Bucell Junction, 
Cabbage Grove, Carbur, Econfina, Fenholloway, Perry, Midway, 
Buckville, Cooks Hammock, Day, Mayo, Cross City, 
Cross City Airport, Hines, Jonesboro, Old Town, Adams Beach, 
Blue Springs, Cedar Island, Dekle Beach, Fish Creek, 
Howell Place, Yellow Jacket, Horseshoe Beach, Jena, 
Shired Island, Suwannee, Crossroads, Georgetown, Hatcher, 
Wire Bridge, Union, Bagby State Park, Days Crossroads, 
Fort Gaines, Jones Crossing, Moores Crossroads, Pecan, 
Ricks Place, Benevolence, Coles, Cuthbert, Peterson Hill, 
Shivers Mill, Springvale, Springvale Station, Arlington, 
Commissary Hill, Cordrays Mill, Dickey, Morgan, Williamsburg, 
Edison, Clarks Mill, Dawson, Dawson Municipal A/P, Doverel, 
Graves, Herod, Yeomans, Albany, East Albany, Lockett Crossing, 
Pretoria, Southwest Ga Regional A/P, Turner City, Walker, 
Forrester, Leesburg, Palmyra, Alfords, Gammage, Gordy, Isabella, 
Red Rock, Sylvester, Sylvester Airport, Douglasville, Blakely, 
Centerville, Cuba, Early Co A/P, Enterprise, Mayhaw, Babcock, 
Bellview, Boykin, Colquitt, Cooktown, Elmodel Wma, Hawkinstown, 
Hoggard Mill, Newton, Red Store Crossroads, Iveys Mill, Milford, 
Branchville, Camilla, Mitchell Co A/P, Cotton, Pelham, Moultrie, 
Moultrie Municipal A/P, Spence Airport, Beachton, Cairo, Capel, 
Elpino, Grady Co A/P, Moncrief, Pine Park, Dillon, Metcalf, 
Pasco, Thomasville, Brooks Co A/P, Dixie, Empress, Nankin, 
Quitman, and Grooverville
1055 PM EDT Sun Sep 19 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

The Flash Flood Watch continues for

* Portions of Big Bend Florida and Georgia, including the 
  following areas, in Big Bend Florida, Coastal Dixie, Coastal 
  Taylor, Inland Dixie, Inland Jefferson, Inland Taylor, 
  Lafayette, and Madison. In Georgia, Baker, Brooks, Calhoun, 
  Clay, Colquitt, Dougherty, Early, Grady, Lee, Miller, 
  Mitchell, Quitman, Randolph, Terrell, Thomas, and Worth. 

* Until 8 AM EDT Monday

* Heavy rain is possible at times through tonight over parts of
  southwest Georgia and the eastern Big Bend of Florida.
  Additional amounts of up to 3 inches are possible. Any slow
  moving bands or lines of rain could lead to flash flooding. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
420 
WGUS62 KTAE 200714
FFATAE

Flood Watch
National Weather Service Tallahassee FL
314 AM EDT Mon Sep 20 2021

...Heavy rain has ended...

FLZ018-019-028-029-034-128-134-GAZ120>127-142>146-157>159-200815-
/O.CAN.KTAE.FF.A.0013.000000T0000Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inland Jefferson-Madison-Inland Taylor-Lafayette-Inland Dixie-
Coastal Taylor-Coastal Dixie-Quitman-Clay-Randolph-Calhoun-
Terrell-Dougherty-Lee-Worth-Early-Miller-Baker-Mitchell-Colquitt-
Grady-Thomas-Brooks-
Including the cities of Alma, Capps, Casa Blanco, Dills, Drifton,
Festus, Jarrott, Monticello, Lovett, Cherry Lake, Hanson, 
Hopewell, Madison, Pinetta, Athena, Boyd, Bucell Junction, 
Cabbage Grove, Carbur, Econfina, Fenholloway, Perry, Midway, 
Buckville, Cooks Hammock, Day, Mayo, Cross City, 
Cross City Airport, Hines, Jonesboro, Old Town, Adams Beach, 
Blue Springs, Cedar Island, Dekle Beach, Fish Creek, 
Howell Place, Yellow Jacket, Horseshoe Beach, Jena, 
Shired Island, Suwannee, Crossroads, Georgetown, Hatcher, 
Wire Bridge, Union, Bagby State Park, Days Crossroads, 
Fort Gaines, Jones Crossing, Moores Crossroads, Pecan, 
Ricks Place, Benevolence, Coles, Cuthbert, Peterson Hill, 
Shivers Mill, Springvale, Springvale Station, Arlington, 
Commissary Hill, Cordrays Mill, Dickey, Morgan, Williamsburg, 
Edison, Clarks Mill, Dawson, Dawson Municipal A/P, Doverel, 
Graves, Herod, Yeomans, Albany, East Albany, Lockett Crossing, 
Pretoria, Southwest Ga Regional A/P, Turner City, Walker, 
Forrester, Leesburg, Palmyra, Alfords, Gammage, Gordy, Isabella, 
Red Rock, Sylvester, Sylvester Airport, Douglasville, Blakely, 
Centerville, Cuba, Early Co A/P, Enterprise, Mayhaw, Babcock, 
Bellview, Boykin, Colquitt, Cooktown, Elmodel Wma, Hawkinstown, 
Hoggard Mill, Newton, Red Store Crossroads, Iveys Mill, Milford, 
Branchville, Camilla, Mitchell Co A/P, Cotton, Pelham, Moultrie, 
Moultrie Municipal A/P, Spence Airport, Beachton, Cairo, Capel, 
Elpino, Grady Co A/P, Moncrief, Pine Park, Dillon, Metcalf, 
Pasco, Thomasville, Brooks Co A/P, Dixie, Empress, Nankin, 
Quitman, and Grooverville
314 AM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of Big Bend Florida and
Southwest Georgia has been cancelled. The larger scale threat of
flash flooding has ended. However, short-lived showers and
thunderstorms with torrential rainfall rates this afternoon could
lead to local runoff issues.

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 19, 2:50 AM CDTRip Current StatementTAEBay, Gulf, Walton22 hr
Sep 19, 5:13 AM CDTSpecial Marine WarningTAE92 min
Sep 19, 6:27 AM CDTSpecial Marine WarningTAE48 min
Sep 19, 11:21 AM CDTSpecial Marine WarningTAE24 min
Sep 19, 2:52 PM CDTAreal Flood AdvisoryTAEFranklin, Gulf, Liberty3 hr
Sep 19, 3:48 PM CDTAreal Flood AdvisoryTAEBay57 min
Sep 19, 5:06 PM CDTAreal Flood AdvisoryTAELafayette114 min
Sep 19, 6:35 PM CDTFlash Flood WarningTAEJefferson3 hr
Sep 18, 8:31 PM CDTAreal Flood AdvisoryTAEDougherty, Lee, Terrell3 hr
Sep 18, 9:43 PM CDTAreal Flood AdvisoryTAETurner, Worth3 hr
Sep 19, 1:51 PM CDTSpecial Weather StatementTAEBaker, Calhoun, Terrell39 min
Sep 19, 5:30 PM CDTAreal Flood AdvisoryTAEBrooks2 hr
Sep 19, 6:29 PM CDTAreal Flood AdvisoryTAEDale, Geneva, Houston2 hr

Nearby

Flash Flood Watches in Georgia, 2021Flash Flood Watches in Florida, 2021Flash Flood Watches in Alabama, 2021Every flash flood watch in 2021

Sources

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