Alert archive / Maryland / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 54, NWS Charleston, WV

June 8, 1993Allegany County, Maryland

NWS Charleston, WV issued this severe thunderstorm warning at Jun 8, 1993, 8:20 PM EDT for Allegany County, Maryland. It was in force for 55 min.

The area

The counties it named.

The facts

Issued: Jun 8, 1993, 8:20 PM EDT (00:20 UTC)
Expired: Jun 8, 1993, 9:15 PM EDT
In force: 55 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Allegany County, MD

The radar

The Sterling radar (KLWX), 127 km from the middle of the area, began a volume at 00:19 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.3 hours before the alert went out and 148 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: 1633 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1021 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 4.4

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, Jun 8, 7:44 PM EDT, 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>

Special weather statement, Jun 8, 7:44 PM EDT, 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 Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 2:02 PM EDT	Severe Thunderstorm Warning	RLX	Pleasants, Tyler	43 min
Jun 9, 2:37 PM EDT	Severe Thunderstorm Warning	RLX	Jackson, Roane	53 min
Jun 9, 2:46 PM EDT	Severe Thunderstorm Warning	RLX	Logan, Mingo	59 min
Jun 9, 2:55 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha, Putnam	50 min
Jun 9, 3:06 PM EDT	Severe Thunderstorm Warning	RLX	Marion, Monongalia	69 min
Jun 9, 3:10 PM EDT	Severe Thunderstorm Warning	RLX	Lincoln	50 min
Jun 9, 3:15 PM EDT	Severe Thunderstorm Warning	RLX	Calhoun	45 min
Jun 9, 3:42 PM EDT	Severe Thunderstorm Warning	RLX	Logan	33 min
Jun 9, 3:45 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Gilmer	60 min
Jun 9, 3:58 PM EDT	Severe Thunderstorm Warning	RLX	Preston	62 min
Jun 9, 4:07 PM EDT	Severe Thunderstorm Warning	RLX	Nicholas	53 min
Jun 9, 4:14 PM EDT	Severe Thunderstorm Warning	RLX	Lewis, Upshur	61 min
Jun 9, 4:17 PM EDT	Severe Thunderstorm Warning	RLX	Fayette, Raleigh	58 min
Jun 9, 4:38 PM EDT	Severe Thunderstorm Warning	RLX	Randolph	67 min
Jun 9, 4:47 PM EDT	Severe Thunderstorm Warning	RLX	Webster	43 min
Jun 9, 5:03 PM EDT	Tornado Warning	RLX	Pocahontas	42 min
Jun 9, 7:17 AM EDT	Severe Thunderstorm Warning	RLX	Madison, Union	58 min
Jun 9, 7:43 AM EDT	Severe Thunderstorm Warning	RLX	Delaware, Franklin	62 min
Jun 9, 8:15 AM EDT	Severe Thunderstorm Warning	RLX	Licking	60 min
Jun 9, 4:12 PM EDT	Severe Thunderstorm Warning	RLX	Garrett	63 min

Nearby

Severe Thunderstorm Warnings in Maryland, 1993 Every severe thunderstorm warning in 1993

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.