Alert archive / Mississippi / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 196, NWS Memphis, TN

August 19, 2026Calhoun County, Chickasaw County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Aug 19, 2026, 4:15 PM CDT for Calhoun County, Chickasaw County, Mississippi. It was in force for 45 min. 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 19, 2026, 4:15 PM CDT (21:15 UTC)
Expired: Aug 19, 2026, 5:00 PM CDT
In force: 45 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Calhoun County, MS, Chickasaw County, MS

The radar

The Columbus AFB radar (KGWX), 75 km from the middle of the area, began a volume at 21:18 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

Jackson, MS (KJAN), launched 12:00Z, 9.3 hours before the alert went out and 199 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: 1386 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 1161 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: 40 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 severe thunderstorm 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 severe thunderstorm warning went out at Aug 19, 12:13 PM CDT, 4 hours 2 minutes earlier.

Area forecast discussion, Aug 19, 12:13 PM CDT, 4 hours 2 minutes before

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In the hours before

Local storm report, Aug 19, 1:22 PM CDT, 2 hours 53 minutes before

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Special weather statement, Aug 19, 4:12 PM CDT, 3 minutes 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 18, 11:31 PM CDT	Heat Advisory	MEG	Chester, Crockett, Dyer, Fayette, Hardeman, Haywood and 3 more	20 hr
Aug 19, 11:25 AM CDT	Heat Advisory	MEG	Calhoun, Chickasaw, Coahoma, Itawamba, Lafayette, Lee and 9 more	33 hr
Aug 19, 4:12 PM CDT	Special Weather Statement	MEG	Calhoun	33 min
Aug 19, 5:01 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw	23 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2026 Every severe thunderstorm 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.