Alert archive / Louisiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 61, NWS Shreveport, LA

March 15, 20265 parishes in Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 15, 2026, 8:51 PM CDT for 5 parishes in Louisiana. It was in force for 54 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: Mar 15, 2026, 8:51 PM CDT (01:51 UTC)
Expired: Mar 15, 2026, 9:45 PM CDT
In force: 54 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Caldwell Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Winn Parish, LA

The radar

The Ft Polk radar (KPOE), 85 km from the middle of the area, began a volume at 01:51 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 15, 6:37 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.9 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: 999 J/kg
Mixed-layer CIN: -182 J/kg
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 5.9

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 15, 6:50 PM CDT, 2 hours 1 minute earlier.

Area forecast discussion, Mar 15, 6:50 PM CDT, 2 hours 1 minute before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Mar 15, 5:24 PM CDT, 3 hours 27 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
524 PM CDT Sun Mar 15 2026

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

0508 PM     Hail             Longview                32.52N 94.76W
03/15/2026  E1.00 Inch       Gregg              TX   Amateur Radio

            Quarter-size hail reported at the
            intersection of H. G. Mosley Parkway and
            Bill Owens Parkway in Longview, TX.

&&

16

Local storm report, Mar 15, 5:25 PM CDT, 3 hours 26 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
525 PM CDT Sun Mar 15 2026

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

0447 PM     Hail             Bullard                 32.14N 95.32W
03/15/2026  M1.00 Inch       Smith              TX   Broadcast Media

            Quarter size hail fell in Bullard.

&&

15

Local storm report, Mar 15, 5:26 PM CDT, 3 hours 25 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
526 PM CDT Sun Mar 15 2026

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

0510 PM     Hail             2 W Longview            32.52N 94.80W
03/15/2026  E1.00 Inch       Gregg              TX   Public

            Quarter-size hail reported by mPING in west
            Longview.

&&

16

Special weather statement, Mar 15, 6:34 PM CDT, 2 hours 17 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 15, 6:54 PM CDT, 1 hour 57 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 15, 6:55 PM CDT, 1 hour 56 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 15, 7:15 PM CDT	Severe Thunderstorm Warning	SHV	Sabine, Shelby	60 min
Mar 15, 7:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Angelina, Sabine, San Augustine	57 min
Mar 15, 11:37 PM CDT	Freeze Warning	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	33 hr
Mar 15, 7:07 PM CDT	Severe Thunderstorm Warning	SHV	Union	53 min
Mar 15, 7:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bienville, Jackson, Lincoln, Ouachita, Union	60 min
Mar 15, 8:01 PM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Jackson, Lincoln, Ouachita, Union	44 min
Mar 15, 8:06 PM CDT	Severe Thunderstorm Warning	SHV	Grant, Natchitoches, Red River, Sabine, Winn	54 min
Mar 15, 8:44 PM CDT	Special Weather Statement	SHV	Caldwell	46 min
Mar 15, 9:42 PM CDT	Severe Thunderstorm Warning	SHV	LaSalle	26 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.