Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 23, NWS Shreveport, LA

February 19, 1996Ouachita Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Feb 19, 1996, 1:00 PM CST for Ouachita Parish, Louisiana. It was in force for 30 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: Feb 19, 1996, 1:00 PM CST (19:00 UTC)
Expired: Feb 19, 1996, 1:30 PM CST
In force: 30 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Ouachita Parish, LA

The radar

The Shreveport radar (KSHV), 158 km from the middle of the area, began a volume at 19:04 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

Shreveport, LA (KSHV), launched 12:00Z, 7.0 hours before the alert went out and 150 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: 957 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 308 m²/s²
0-3 km storm-relative helicity: 395 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 8.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Feb 19, 9:07 AM CST, 3 hours 53 minutes earlier.

Area forecast discussion, Feb 19, 9:07 AM CST, 3 hours 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
907 AM CST MON FEB 19 1996

JUST GETTING A LOOK AT NEWEST ETA OUTPUT. NEW MODEL SEEMS TO BE ON TRACK
WITH LAST NITES RUN. AM A BIT CONCRNED HWVR WITH SPEED OF MVMNT OF S/WV
TO THE SE. NEW ETA TAKES VORT MAX FRM RED RVR VLY ALG TX/OK BDR INTO SRN
MS IN 12 HRS. THAT SEEMS A BIT QUICK. GENERALLY AGREE WITH IDEA OF MOVG
TO THE SE BUT AS STATED ABV FEEL TO FAST. W/V IMGRY SHWG PLENTY OF DRYING
ACRS E TX AND INTO NW LA WHILE HEAD DARKENING OCCURING ALG INTERFACE WITH
TSTMS ACRS SW AR. THESE STORMS ARE STARTING TO PROPAGATE SE INTO BTR LOW
LVL MSTR ACRS N CTRL LA AND S CNTRL AR AND SHUD CONT THRU LATE MRNG
IN FA BFR SHFTG EWD OUT OF FA BY ERLY AFTN. NO SIG CAA NOTED BHD S/WV
SO WILL LOOK FOR MUCH WARMER TEMPS BY TUE WITH PLENTY OF CLR SKIES ACRS
THE FA.

CLDS ERLY TDY SHUD CUT HIGH TEMPS SOME FROM FAN GUIDANCE SO WILL STICK
CLOSE TO MOS TEMPS. POPS LIKELY FOR ERN 1/2 OF FA THRU THE MRNG.

SHV 74/47/83 200

18

In the hours before

Local storm report, Feb 19, 12:23 PM CST, 37 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, Feb 19, 12:24 PM CST, 36 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
Feb 19, 11:18 AM CST	Severe Thunderstorm Warning	SHV	Claiborne, Union	42 min
Feb 19, 11:52 AM CST	Severe Thunderstorm Warning	SHV	Lincoln	38 min
Feb 19, 12:16 PM CST	Severe Thunderstorm Warning	SHV	Ouachita	44 min
Feb 19, 8:22 AM CST	Severe Thunderstorm Warning	SHV	Hempstead	53 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996 Every severe thunderstorm warning in 1996

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.