Alert archive / Mississippi / Mesoscale Discussions in 2026

Mesoscale Discussion 82

February 15, 2026Mobile County, Washington County, Alabama; 7 parishes in Louisiana; 18 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Feb 15, 2026, 1:15 AM CST for Mobile County, Washington County, Alabama; 7 parishes in Louisiana; 18 counties in Mississippi. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Feb 15, 2026, 1:15 AM CST (07:15 UTC)
Expired
Feb 15, 2026, 3:15 AM CST
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Tornado watch 7
All 27 counties

Mobile County, AL, Washington County, AL, Jefferson Parish, LA, Lafourche Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint Tammany Parish, LA, Terrebonne Parish, LA, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jasper County, MS, Jones County, MS, Lamar County, MS, Newton County, MS, Pearl River County, MS, Perry County, MS, Scott County, MS, Smith County, MS, Stone County, MS, Wayne County, MS

The radar

The Hammond radar (KHDC), 92 km from the middle of the area, began a volume at 07:18 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.3 hours before the alert went out and 54 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, Slidell Radar S, LA at 00:00Z on 2026-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2026-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897Sfc1 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
52 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 14, 10:43 PM CSTMesoscale DiscussionSPCMobile, Washington2 hr
Feb 14, 11:17 PM CSTTornado WatchSPCBaldwin, Choctaw, Clarke, Escambia, Mobile, Washington6 hr
Feb 15, 3:04 AM CSTMesoscale DiscussionSPCBaldwin, Covington, Escambia, Mobile116 min
Feb 15, 6:45 AM CSTMesoscale DiscussionSPCCoffee, Dale, Geneva, Henry, Houston2 hr
Feb 15, 7:35 AM CSTTornado WatchSPCDale, Geneva, Henry, Houston8 hr
Feb 14, 6:02 PM CSTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 40 more118 min
Feb 14, 6:54 PM CSTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 37 more6 hr
Feb 14, 9:02 PM CSTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Cameron, Evangeline, Jefferson Davis and 4 more58 min

Nearby

Mesoscale Discussions in Mississippi, 2026Mesoscale Discussions in Louisiana, 2026Mesoscale Discussions in Alabama, 2026Every mesoscale discussion 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.