Alert archive / Tennessee / Flash Flood Warnings in 2023

Flash Flood Warning 51, NWS Memphis, TN

August 4, 2023Obion County, Weakley County, Tennessee

NWS Memphis, TN issued this flash flood warning at Aug 4, 2023, 5:50 AM CDT for Obion County, Weakley County, Tennessee. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 4, 2023, 5:50 AM CDT (10:50 UTC)
Expired: Aug 4, 2023, 9:00 AM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 84 km from the middle of the area, began a volume at 10:53 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

Little Rock, AR (KLZK), launched 00:00Z, 10.8 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3280 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1797 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.3

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Memphis, TN wrote its last area forecast discussion before this flash flood warning went out at Aug 4, 5:21 AM CDT, 29 minutes earlier.

Area forecast discussion, Aug 4, 5:21 AM CDT, 29 minutes before

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In the hours before

Special weather statement, Aug 4, 1:58 AM CDT, 3 hours 52 minutes before

Special Weather Statement
National Weather Service Memphis TN
158 AM CDT Fri Aug 4 2023

TNZ020-021-052-054-040730-
Carroll TN-Henderson TN-Madison TN-Gibson TN-
158 AM CDT Fri Aug 4 2023

...A strong thunderstorm will impact portions of northwestern
Henderson, southeastern Gibson, southwestern Carroll and northeastern
Madison Counties through 230 AM CDT...

At 158 AM CDT, Doppler radar was tracking a strong thunderstorm over
Trenton, moving southeast at 35 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Jackson, Humboldt, Milan, Trenton, Fairview, Three Way, Carroll,
Medina, Gibson, Hickory Flat, Gibson Wells, Cedar Grove, New
Enterprise, Gilmore, Sitka, Brazil, Vaughns Grove, Georgetown,
Laneview and Claybrook.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3559 8874 3576 8892 3578 8890 3583 8897
      3583 8899 3592 8908 3605 8892 3578 8850
TIME...MOT...LOC 0658Z 314DEG 31KT 3594 8894

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

ARS

Special weather statement, Aug 4, 2:51 AM CDT, 2 hours 59 minutes before

Special Weather Statement
National Weather Service Memphis TN
251 AM CDT Fri Aug 4 2023

TNZ055-092-040815-
Decatur TN-Hardin TN-
251 AM CDT Fri Aug 4 2023

...A strong thunderstorm will impact portions of central Hardin and
southwestern Decatur Counties through 315 AM CDT...

At 251 AM CDT, Doppler radar was tracking a strong thunderstorm near
Sardis, or 9 miles north of Savannah, moving southeast at 35 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Savannah, Walnut Grove, Olive Hill, Saltillo, Thurman, Lowryville,
Sibley, Phillips, Center Star, Five Forks, Pleasant Grove, Swift,
Olivehill, Bucktown, Cerro Gordo and Coffee Landing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3501 8803 3535 8836 3542 8828 3542 8824
      3544 8825 3547 8821 3534 8801 3530 8802
      3529 8798 3505 8799
TIME...MOT...LOC 0751Z 314DEG 31KT 3536 8823

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

ARS

Special weather statement, Aug 4, 2:56 AM CDT, 2 hours 54 minutes before

Special Weather Statement
National Weather Service Memphis TN
256 AM CDT Fri Aug 4 2023

TNZ002-019-020-040830-
Obion TN-Dyer TN-Gibson TN-
256 AM CDT Fri Aug 4 2023

...A strong thunderstorm will impact portions of northeastern Dyer,
northwestern Gibson and southwestern Obion Counties through 330 AM
CDT...

At 256 AM CDT, Doppler radar was tracking a strong thunderstorm near
Cloverdale, or 7 miles southeast of Reelfoot Lake State Park, moving
southeast at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Newbern, Dyer, Kenton, Rutherford, Obion, Eaton, Cloverdale, Trimble,
Hornbeak, Yorkville, Mason Hall, Glass, Lapata, Central, Locust
Grove, Roneys Store, Elbridge, Templeton, Currie and Tyson Store.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3614 8888 3594 8911 3626 8943 3632 8940
      3641 8929
TIME...MOT...LOC 0756Z 314DEG 31KT 3630 8931

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

ARS

Special weather statement, Aug 4, 3:03 AM CDT, 2 hours 47 minutes before

Special Weather Statement
National Weather Service Memphis TN
303 AM CDT Fri Aug 4 2023

TNZ020-021-052-040830-
Carroll TN-Madison TN-Gibson TN-
303 AM CDT Fri Aug 4 2023

...A strong thunderstorm will impact portions of southeastern Gibson,
southwestern Carroll and northeastern Madison Counties through 330 AM
CDT...

At 303 AM CDT, Doppler radar was tracking a strong thunderstorm over
Trenton, moving southeast at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Humboldt, Milan, Trenton, Fairview, Dyer, Three Way, Medina, Gibson,
Hickory Flat, Tuckers Corner, Grizzard, Cades, New Enterprise,
Ledbetter, Sitka, Vaughns Grove, Barrons Corner, Georgetown, Laneview
and West.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3582 8851 3582 8857 3581 8859 3579 8860
      3579 8861 3574 8861 3564 8873 3598 8907
      3611 8892 3583 8850
TIME...MOT...LOC 0803Z 314DEG 31KT 3598 8893

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

ARS

Local storm report, Aug 4, 3:45 AM CDT, 2 hours 5 minutes before

Preliminary Local Storm Report
National Weather Service Memphis TN
345 AM CDT Fri Aug 4 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0333 AM     Flash Flood      Dyer                    36.07N 88.99W
08/04/2023                   Gibson             TN   Fire Dept/Rescue

            Several roads are flooded in the city of
            Dyer.

&&

Special weather statement, Aug 4, 5:20 AM CDT, 30 minutes before

Special Weather Statement
National Weather Service Memphis TN
520 AM CDT Fri Aug 4 2023

TNZ002>004-021-041045-
Carroll TN-Weakley TN-Obion TN-Henry TN-
520 AM CDT Fri Aug 4 2023

...A strong thunderstorm will impact portions of Weakley,
southeastern Obion, northern Carroll and southwestern Henry Counties
through 545 AM CDT...

At 519 AM CDT, Doppler radar was tracking a strong thunderstorm over
Troy, or 7 miles southwest of Union City, moving east at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Martin, Union City, McKenzie, Huntingdon, Dresden, Greenfield,
Gleason, Troy, Kenton, Obion, Sharon, Routon, Henry, Rives, Sandhill,
Mason Hall, Mansfield, Mount Pelia, Como and Ralston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3625 8822 3599 8832 3616 8888 3622 8896
      3620 8896 3620 8903 3626 8923 3643 8916
TIME...MOT...LOC 1019Z 283DEG 30KT 3633 8912

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

ARS

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 4, 8:31 AM CDT	Special Weather Statement	MEG	Alcorn, Benton, Prentiss, Tippah	59 min
Aug 4, 9:39 AM CDT	Special Weather Statement	MEG	Itawamba, Lee	51 min
Aug 3, 7:30 PM CDT	Flood Watch	MEG	Benton, Carroll, Chester, Crockett, Decatur, Dyer and 8 more	18 hr
Aug 4, 1:02 AM CDT	Areal Flood Advisory	MEG	Carroll, Obion, Weakley	3 hr
Aug 4, 1:13 AM CDT	Special Weather Statement	MEG	Carroll	32 min
Aug 4, 1:43 AM CDT	Areal Flood Advisory	MEG	Carroll, Decatur, Henderson	3 hr
Aug 4, 1:58 AM CDT	Special Weather Statement	MEG	Gibson	32 min
Aug 4, 2:04 AM CDT	Flash Flood Warning	MEG	Carroll, Weakley	3 hr
Aug 4, 2:37 AM CDT	Flash Flood Warning	MEG	Obion, Weakley	3 hr
Aug 4, 2:48 AM CDT	Areal Flood Advisory	MEG	Gibson, Weakley	3 hr
Aug 4, 2:51 AM CDT	Special Weather Statement	MEG	Hardin	24 min
Aug 4, 2:56 AM CDT	Special Weather Statement	MEG	Obion	34 min
Aug 4, 3:03 AM CDT	Special Weather Statement	MEG	Gibson	27 min
Aug 4, 3:12 AM CDT	Flash Flood Warning	MEG	Gibson, Weakley	6 hr
Aug 4, 3:21 AM CDT	Flash Flood Warning	MEG	Lake, Obion	7 hr
Aug 4, 5:20 AM CDT	Special Weather Statement	MEG	Obion, Weakley	25 min
Aug 4, 6:01 AM CDT	River Flood Warning	MEG	Dyer, Gibson, Obion	14 hr
Aug 4, 7:04 AM CDT	Areal Flood Advisory	MEG	Carroll, Gibson, Madison	27 min
Aug 4, 7:31 AM CDT	Flash Flood Warning	MEG	Carroll, Gibson, Madison	3 hr
Aug 4, 8:53 AM CDT	Areal Flood Warning	MEG	Carroll, Gibson, Obion, Weakley	6 hr
Aug 4, 9:27 AM CDT	Areal Flood Warning	MEG	Dyer, Gibson, Lake, Obion	6 hr
Aug 4, 9:32 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
Aug 4, 10:13 AM CDT	Areal Flood Warning	MEG	Carroll, Crockett, Gibson, Henderson, Madison	6 hr

Nearby

Flash Flood Warnings in Tennessee, 2023 Every flash flood warning in 2023

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.