Alert archive / West Virginia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 89, NWS Blacksburg, VA

July 28, 1999Monroe County, Summers County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 28, 1999, 4:48 PM EDT for Monroe County, Summers County, West Virginia. It was in force for 47 min. 4 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
Jul 28, 1999, 4:48 PM EDT (20:48 UTC)
Expired
Jul 28, 1999, 5:35 PM EDT
In force
47 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Monroe County, WV, Summers County, WV

What was reported inside it

TimeReportWhereRemark
Jul 28, 5:00 PM EDTThunderstorm WindHilldale, WV
Jul 28, 5:23 PM EDTThunderstorm WindWolf Creek, WV
Jul 28, 5:30 PM EDTThunderstorm WindUnion, WV
Jul 28, 5:30 PM EDTThunderstorm WindSinks Grove, WV

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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 28, 2:40 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 316 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, Pittsburgh, PA at 12:00Z on 1999-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1152 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, Pittsburgh, PA at 12:00Z on 1999-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1152 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 2:43 PM EDT, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 28, 2:43 PM EDT, 2 hours 5 minutes before
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In the hours before

Special weather statement, Jul 28, 12:34 PM EDT, 4 hours 14 minutes before
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Special weather statement, Jul 28, 12:34 PM EDT, 4 hours 14 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 Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 5:25 PM EDTSevere Thunderstorm WarningRNKRoanoke, City of Salem50 min
Jul 28, 5:25 PM EDTSevere Thunderstorm WarningRNKMontgomery50 min
Jul 28, 5:25 PM EDTSevere Thunderstorm WarningRNKCity of Roanoke50 min
Jul 28, 6:14 PM EDTSevere Thunderstorm WarningRNKBedford, Campbell, City of Lynchburg61 min
Jul 28, 6:14 PM EDTSevere Thunderstorm WarningRNK61 min
Jul 28, 6:16 PM EDTSevere Thunderstorm WarningRNKAmherst34 min
Jul 28, 6:47 PM EDTSevere Thunderstorm WarningRNKHenry, Pittsylvania, City of Danville63 min
Jul 28, 6:47 PM EDTSevere Thunderstorm WarningRNKCity of Martinsville63 min
Jul 28, 7:00 PM EDTSevere Thunderstorm WarningRNKCarroll, Wythe50 min
Jul 28, 7:45 PM EDTSevere Thunderstorm WarningRNKTazewell50 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1999Every severe thunderstorm warning in 1999

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.