Alert archive / Virginia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 73, NWS Baltimore/Washington

June 4, 2008Albemarle County, Augusta County, Nelson County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 4, 2008, 4:00 AM EDT for Albemarle County, Augusta County, Nelson County, Virginia. It was in force for 60 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: Jun 4, 2008, 4:00 AM EDT (08:00 UTC)
Expired: Jun 4, 2008, 5:00 AM EDT
In force: 60 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon

Counties Albemarle County, VA, Augusta County, VA, Nelson County, VA

The radar

The Sterling radar (KLWX), 162 km from the middle of the area, began a volume at 08:03 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
Jun 4, 2:26 AM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 8.0 hours before the alert went out and 105 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: 1143 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 535 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 310 m²/s²
0-3 km storm-relative helicity: 601 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 15.7

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 Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 2:47 AM EDT, 1 hour 13 minutes earlier.

Area forecast discussion, Jun 4, 2:47 AM EDT, 1 hour 13 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>

Hazardous weather outlook, Jun 4, 3:26 AM EDT, 34 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>

In the hours before

Special weather statement, Jun 3, 11:47 PM EDT, 4 hours 13 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 4, 12:10 AM EDT, 3 hours 50 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 4, 1:28 AM EDT, 2 hours 32 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 4, 2:45 AM EDT, 1 hour 15 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 4, 2:50 AM EDT, 1 hour 10 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, Jun 4, 3:45 AM EDT, 15 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 Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 12:38 AM EDT	Severe Thunderstorm Warning	LWX	Rockingham, Shenandoah	32 min
Jun 4, 1:14 AM EDT	Flash Flood Watch	LWX	Arlington, Clarke, Culpeper, Fairfax, Frederick, Greene and 20 more	8 hr
Jun 4, 1:34 AM EDT	Severe Thunderstorm Warning	LWX	Page, Rockingham, City of Harrisonburg	41 min
Jun 4, 2:00 AM EDT	Severe Thunderstorm Warning	LWX	Greene, Madison	29 min
Jun 4, 2:17 AM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Madison, Orange	35 min
Jun 4, 2:58 AM EDT	Severe Thunderstorm Warning	LWX	Spotsylvania, City of Fredericksburg	22 min
Jun 4, 3:06 AM EDT	Special Marine Warning	LWX		84 min
Jun 4, 3:13 AM EDT	Special Marine Warning	LWX		81 min
Jun 4, 4:31 AM EDT	Special Marine Warning	LWX		89 min
Jun 4, 1:26 PM EDT	Severe Thunderstorm Warning	LWX	Rockingham, Shenandoah, City of Harrisonburg	64 min
Jun 4, 1:59 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Fauquier, Frederick, Madison, Page, Rappahannock and 3 more	61 min
Jun 4, 2:15 PM EDT	Tornado Warning	LWX	Clarke, Frederick	29 min
Jun 4, 2:23 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Culpeper, Fauquier, Loudoun, Madison, Prince William and 1 more	58 min
Jun 4, 2:27 PM EDT	Tornado Warning	LWX	Clarke, Loudoun	29 min
Jun 4, 2:31 PM EDT	Special Marine Warning	LWX		81 min
Jun 4, 2:34 PM EDT	Special Marine Warning	LWX		116 min
Jun 4, 2:42 PM EDT	Tornado Warning	LWX	Fairfax, Fauquier, Loudoun, Prince William	18 min
Jun 4, 2:44 PM EDT	Severe Thunderstorm Warning	LWX	Loudoun	61 min
Jun 4, 2:45 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, Fauquier, Loudoun, Prince William, Stafford, City of Fairfax and 2 more	60 min
Jun 4, 2:55 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, Fairfax, Prince William, City of Alexandria, City of Falls Church	80 min
Jun 4, 3:01 PM EDT	Special Marine Warning	LWX		119 min
Jun 4, 3:41 PM EDT	Special Marine Warning	LWX		2 hr
Jun 4, 3:41 PM EDT	Special Marine Warning	LWX		2 hr
Jun 4, 3:43 PM EDT	Special Marine Warning	LWX		2 hr
Jun 4, 4:19 PM EDT	Special Marine Warning	LWX		56 min
Jun 4, 5:17 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Madison, Orange	58 min
Jun 4, 5:33 PM EDT	Tornado Warning	LWX	Culpeper, Madison, Orange	27 min
Jun 4, 5:36 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Stafford	27 min
Jun 4, 5:54 PM EDT	Tornado Warning	LWX	Culpeper, Fauquier, Orange, Spotsylvania, Stafford	51 min
Jun 4, 6:00 PM EDT	Special Marine Warning	LWX		90 min
Jun 4, 6:07 PM EDT	Severe Thunderstorm Warning	LWX	Arlington	53 min
Jun 4, 6:13 PM EDT	Special Marine Warning	LWX		92 min
Jun 4, 6:17 PM EDT	Special Marine Warning	LWX		118 min
Jun 4, 6:20 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Augusta, Culpeper, Fauquier, Greene, Madison and 9 more	40 min
Jun 4, 6:23 PM EDT	Tornado Warning	LWX	King George, Spotsylvania, Stafford, City of Fredericksburg	20 min
Jun 4, 6:29 PM EDT	Tornado Warning	LWX	Culpeper, Madison, Orange	46 min
Jun 4, 6:43 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, Fairfax	38 min
Jun 4, 6:46 PM EDT	Special Marine Warning	LWX		119 min
Jun 4, 6:46 PM EDT	Special Marine Warning	LWX		89 min
Jun 4, 6:47 PM EDT	Tornado Warning	LWX	Culpeper, Madison, Page, Rappahannock	28 min
Jun 4, 6:49 PM EDT	Severe Thunderstorm Warning	LWX	Fauquier, Prince William, Stafford	56 min
Jun 4, 6:59 PM EDT	Severe Thunderstorm Warning	LWX	King George	19 min
Jun 4, 7:00 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Culpeper, Fairfax, Fauquier, Madison, Nelson and 7 more	45 min
Jun 4, 7:03 PM EDT	Special Marine Warning	LWX		87 min
Jun 4, 7:08 PM EDT	Tornado Warning	LWX	Fauquier, Stafford	37 min
Jun 4, 7:09 PM EDT	Special Marine Warning	LWX		2 hr
Jun 4, 7:10 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Augusta, Greene, Madison, Nelson, Orange	20 min
Jun 4, 7:16 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, Fauquier, Loudoun, Prince William, City of Fairfax, City of Manassas and 1 more	50 min
Jun 4, 7:23 PM EDT	Tornado Warning	LWX	Culpeper, Fauquier, Prince William, Stafford	37 min
Jun 4, 7:33 PM EDT	Special Marine Warning	LWX		117 min
Jun 4, 7:36 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, Loudoun	39 min
Jun 4, 7:40 PM EDT	Tornado Warning	LWX	Fairfax, King George, Prince William, Stafford	35 min
Jun 4, 7:46 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	42 min
Jun 4, 7:48 PM EDT	Special Marine Warning	LWX		106 min
Jun 4, 7:49 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Culpeper, King George, Orange, Spotsylvania, Stafford and 1 more	41 min
Jun 4, 7:55 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle	33 min
Jun 4, 3:39 AM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	36 min
Jun 4, 2:16 PM EDT	Severe Thunderstorm Warning	LWX	Washington	59 min
Jun 4, 3:20 PM EDT	Tornado Warning	LWX	Anne Arundel, Howard, Montgomery, Prince George's	25 min
Jun 4, 3:29 PM EDT	Tornado Warning	LWX	Anne Arundel, Calvert, Prince George's	21 min
Jun 4, 3:46 PM EDT	Tornado Warning	LWX	Anne Arundel	29 min
Jun 4, 3:59 PM EDT	Severe Thunderstorm Warning	LWX	Harford	50 min
Jun 4, 6:33 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	42 min
Jun 4, 6:41 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Prince George's	64 min
Jun 4, 7:21 PM EDT	Tornado Warning	LWX	Saint Mary's	54 min
Jun 4, 7:23 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	67 min
Jun 4, 1:07 PM EDT	Severe Thunderstorm Warning	LWX	Grant, Pendleton	38 min
Jun 4, 1:53 PM EDT	Tornado Warning	LWX	Morgan	23 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2008 Every severe thunderstorm warning in 2008

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.