Alert archive / Mississippi / Red Flag Warnings in 2026

Red Flag Warning 1, NWS Jackson, MS

February 21, 202611 counties in Mississippi; Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this red flag warning at Feb 21, 2026, 11:06 AM CST for 11 counties in Mississippi; Catahoula Parish, Concordia Parish, Louisiana. It took effect at Feb 22, 2026, 9:00 AM CST. It was in force for 9 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: Feb 21, 2026, 11:06 AM CST (17:06 UTC)
In effect from: Feb 22, 2026, 9:00 AM CST
Expired: Feb 22, 2026, 6:00 PM CST
In force: 9 hr
Issued by: NWS Jackson, MS

Counties Catahoula Parish, LA, Concordia Parish, LA, Adams County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 94 km from the middle of the area, began a volume at 17:08 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.1 hours before the alert went out and 151 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: 671 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Jackson, MS wrote its last area forecast discussion before this red flag warning went out at Feb 21, 5:59 AM CST, 5 hours 7 minutes earlier.

Area forecast discussion, Feb 21, 5:59 AM CST, 5 hours 7 minutes before

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Nearby

Red Flag Warnings in Mississippi, 2026 Red Flag Warnings in Louisiana, 2026 Every red flag 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.