Alert archive / Mississippi / Flash Flood Warnings in 2026

Flash Flood Warning 27, NWS Memphis, TN

August 20, 2026Lee County, Pontotoc County, Mississippi

NWS Memphis, TN issued this flash flood warning at Aug 20, 2026, 3:44 PM CDT for Lee County, Pontotoc County, Mississippi. 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 20, 2026, 3:44 PM CDT (20:44 UTC)
Expired: Aug 20, 2026, 6:45 PM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Lee County, MS, Pontotoc County, MS

The radar

The Columbus AFB radar (KGWX), 63 km from the middle of the area, began a volume at 20:47 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

Birmingham, AL (KBMX), launched 12:00Z, 8.7 hours before the alert went out and 227 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: 2061 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 801 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -40 m²/s²
0-3 km storm-relative helicity: 9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 20, 12:08 PM CDT, 3 hours 36 minutes earlier.

Area forecast discussion, Aug 20, 12:08 PM CDT, 3 hours 36 minutes before

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In the hours before

Local storm report, Aug 20, 11:24 AM CDT, 4 hours 20 minutes before

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Local storm report, Aug 20, 11:36 AM CDT, 4 hours 8 minutes before

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Local storm report, Aug 20, 11:38 AM CDT, 4 hours 6 minutes before

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Local storm report, Aug 20, 11:45 AM CDT, 3 hours 59 minutes before

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Special weather statement, Aug 20, 2:22 PM CDT, 1 hour 22 minutes before

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Special weather statement, Aug 20, 2:43 PM CDT, 1 hour 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 12:06 AM CDT	Special Weather Statement	MEG	Henry, Weakley	39 min
Aug 20, 12:11 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Benton, Henry, Weakley	49 min
Aug 20, 12:27 AM CDT	Special Weather Statement	MEG	Lake	48 min
Aug 20, 12:57 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Benton, Henry	48 min
Aug 20, 1:01 AM CDT	Special Weather Statement	MEG	Obion, Weakley	29 min
Aug 20, 1:07 AM CDT	Severe Thunderstorm Warning	MEG	Gibson, Henry, Obion, Weakley	38 min
Aug 20, 1:41 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Benton, Carroll, Henry, Weakley	49 min
Aug 20, 1:58 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Dyer, Lake, Lauderdale, Obion	47 min
Aug 20, 2:11 AM CDT	Areal Flood Advisory	MEG	Benton, Carroll, Dyer, Gibson, Henry, Obion and 1 more	2 hr
Aug 20, 2:29 AM CDT	Special Weather Statement	MEG	Benton, Carroll, Henry	61 min
Aug 20, 2:34 AM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Lake, Lauderdale, Madison and 2 more	41 min
Aug 20, 3:11 AM CDT	Special Weather Statement	MEG	Carroll, Crockett, Gibson	34 min
Aug 20, 3:40 AM CDT	Special Weather Statement	MEG	Carroll, Henderson	50 min
Aug 20, 4:26 AM CDT	Special Weather Statement	MEG	Decatur	49 min
Aug 20, 4:44 AM CDT	Special Weather Statement	MEG	Carroll, Gibson, Henderson	31 min
Aug 20, 5:21 AM CDT	Special Weather Statement	MEG	Carroll	39 min
Aug 20, 5:28 PM CDT	Special Weather Statement	MEG	Madison	32 min
Aug 20, 11:34 AM CDT	Heat Advisory	MEG	Calhoun, Chickasaw, Coahoma, Monroe, Quitman, Tallahatchie and 2 more	32 hr
Aug 20, 2:22 PM CDT	Special Weather Statement	MEG	Pontotoc	23 min
Aug 20, 2:43 PM CDT	Special Weather Statement	MEG	Pontotoc	32 min
Aug 20, 2:51 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc	39 min
Aug 20, 3:22 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Pontotoc	38 min
Aug 20, 3:31 PM CDT	Areal Flood Advisory	MEG	Pontotoc	14 min
Aug 20, 3:48 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc, Union	42 min
Aug 20, 4:02 PM CDT	Special Weather Statement	MEG	Chickasaw	28 min
Aug 20, 4:18 PM CDT	Special Weather Statement	MEG	Chickasaw	27 min
Aug 20, 4:27 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc, Union	48 min
Aug 20, 4:29 PM CDT	Special Weather Statement	MEG	Chickasaw	31 min
Aug 20, 4:51 PM CDT	Special Weather Statement	MEG	Clay	24 min
Aug 20, 4:55 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Monroe	50 min
Aug 20, 4:59 PM CDT	Special Weather Statement	MEG	Pontotoc	46 min
Aug 20, 5:38 PM CDT	Special Weather Statement	MEG	Calhoun, Chickasaw	52 min
Aug 20, 6:44 PM CDT	Areal Flood Warning	MEG	Lee, Pontotoc	4 hr
Aug 20, 6:51 PM CDT	Special Weather Statement	MEG	Tishomingo	24 min
Aug 20, 1:11 AM CDT	Special Weather Statement	MEG	Clay, Greene	34 min
Aug 20, 1:23 AM CDT	Severe Thunderstorm Warning	MEG	Clay, Craighead, Greene, Mississippi	52 min

Nearby

Flash Flood Warnings in Mississippi, 2026 Every flash flood warning in 2026

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.