Alert archive / North Carolina / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 45, NWS Raleigh, NC

May 11, 1996Davidson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 11, 1996, 3:20 PM EDT for Davidson County, North Carolina. It was in force for 25 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 11, 1996, 3:20 PM EDT (19:20 UTC)
Expired: May 11, 1996, 3:45 PM EDT
In force: 25 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Davidson County, NC

The radar

The Roanoke radar (KFCX), 137 km from the middle of the area, began a volume at 19:19 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.

What was reported inside it

Time	Report	Where	Remark
May 11, 3:27 PM EDT	Hail 1.25	Lexington, NC
May 11, 3:30 PM EDT	Thunderstorm Wind	Thomasville, NC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.3 hours before the alert went out and 43 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: 232 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1182 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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.

In the hours before

Special weather statement, May 11, 9:35 AM EDT, 5 hours 45 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 Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 11, 3:27 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Nash	33 min
May 11, 3:43 PM EDT	Flash Flood Warning	RAH	Johnston	62 min
May 11, 3:46 PM EDT	Severe Thunderstorm Warning	RAH	Randolph	29 min
May 11, 4:09 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	51 min
May 11, 4:29 PM EDT	Severe Thunderstorm Warning	RAH	Orange	31 min
May 11, 4:47 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Granville, Wake	43 min
May 11, 5:08 PM EDT	Severe Thunderstorm Warning	RAH	Harnett	37 min
May 11, 5:14 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Vance	31 min
May 11, 5:29 PM EDT	Severe Thunderstorm Warning	RAH	Warren	31 min
May 11, 5:32 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wake	43 min
May 11, 5:53 PM EDT	Severe Thunderstorm Warning	RAH	Nash	37 min
May 11, 6:38 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe	37 min
May 11, 7:29 PM EDT	Severe Thunderstorm Warning	RAH	Wayne	31 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.