Alert archive / Virginia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 82, NWS Wakefield, VA

May 30, 201911 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 30, 2019, 11:41 PM EDT for 11 counties in Virginia. It was in force for 49 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: May 30, 2019, 11:41 PM EDT (03:41 UTC)
Expired: May 31, 2019, 12:30 AM EDT
In force: 49 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties City of Chesapeake, VA, City of Hampton, VA, City of Newport News, VA, City of Norfolk, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, Isle of Wight County, VA, Northampton County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 59 km from the middle of the area, began a volume at 03:45 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

Newport, NC (KMHX), launched 00:00Z, 3.7 hours before the alert went out and 247 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: 1381 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1359 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.7

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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 30, 10:01 PM EDT, 1 hour 40 minutes earlier.

Area forecast discussion, May 30, 10:01 PM EDT, 1 hour 40 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, May 30, 8:19 PM EDT, 3 hours 22 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, May 30, 9:43 PM EDT, 1 hour 58 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, May 30, 10:25 PM EDT, 1 hour 16 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, May 30, 10:45 PM EDT, 56 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, May 30, 11:12 PM EDT, 29 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, May 30, 11:17 PM EDT, 24 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, May 30, 11:29 PM EDT, 12 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 Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 30, 8:11 PM EDT	Special Weather Statement	AKQ	Westmoreland	34 min
May 30, 9:43 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Lunenburg, Nottoway	47 min
May 30, 10:25 PM EDT	Special Weather Statement	AKQ	Charles City, Dinwiddie, Prince George, Sussex, City of Colonial Heights, City of Hopewell and 1 more	50 min
May 30, 10:45 PM EDT	Special Weather Statement	AKQ	Gloucester, Isle of Wight, James City, Mathews, Surry, York and 4 more	45 min
May 30, 10:59 PM EDT	Special Marine Warning	AKQ		2 hr
May 30, 11:12 PM EDT	Special Weather Statement	AKQ	Accomack	33 min
May 30, 11:17 PM EDT	Special Weather Statement	AKQ	Dinwiddie, City of Petersburg	28 min
May 30, 11:29 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Northampton, York, City of Hampton, City of Newport News, City of Norfolk and 3 more	61 min
May 30, 11:47 PM EDT	Special Weather Statement	AKQ	Prince George, Surry, Sussex	43 min
May 30, 11:59 PM EDT	Special Marine Warning	AKQ		2 hr
May 31, 12:32 AM EDT	Special Weather Statement	AKQ	Isle of Wight, City of Chesapeake, City of Hampton, City of Norfolk, City of Poquoson, City of Portsmouth and 1 more	43 min
May 31, 1:14 PM EDT	Special Marine Warning	AKQ		61 min
May 31, 6:40 PM EDT	Special Weather Statement	AKQ	Fluvanna, Louisa	65 min
May 31, 6:59 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, Sussex, City of Franklin, City of Suffolk	46 min
May 31, 7:11 PM EDT	Special Weather Statement	AKQ	Prince Edward	49 min
May 31, 7:30 PM EDT	Special Weather Statement	AKQ	Cumberland, Goochland, Powhatan, Prince Edward	60 min
May 31, 7:39 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, Surry, Sussex	51 min
May 31, 7:51 PM EDT	Special Weather Statement	AKQ	Louisa	54 min
May 31, 7:55 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Fluvanna, Goochland, Powhatan	65 min
May 31, 12:59 PM EDT	Special Weather Statement	AKQ	Currituck	31 min
May 31, 1:09 PM EDT	Severe Thunderstorm Warning	AKQ	Camden, Currituck	36 min
May 31, 1:45 PM EDT	Special Weather Statement	AKQ	Currituck	30 min
May 31, 2:05 PM EDT	Special Weather Statement	AKQ	Bertie	55 min
May 31, 2:10 PM EDT	Special Weather Statement	AKQ	Currituck	35 min
May 31, 2:20 PM EDT	Severe Thunderstorm Warning	AKQ	Currituck	23 min
May 31, 3:04 PM EDT	Special Weather Statement	AKQ	Bertie	26 min
May 31, 3:30 PM EDT	Special Weather Statement	AKQ	Bertie	30 min
May 31, 4:02 PM EDT	Special Weather Statement	AKQ	Chowan	28 min
May 31, 5:40 PM EDT	Special Weather Statement	AKQ	Currituck	50 min
May 31, 5:47 PM EDT	Severe Thunderstorm Warning	AKQ	Bertie, Hertford, Northampton	43 min
May 31, 6:12 PM EDT	Severe Thunderstorm Warning	AKQ	Chowan, Perquimans	48 min
May 31, 6:28 PM EDT	Severe Thunderstorm Warning	AKQ	Bertie, Gates, Hertford, Northampton	47 min
May 31, 6:39 PM EDT	Severe Thunderstorm Warning	AKQ	Northampton	51 min
May 31, 7:19 PM EDT	Severe Thunderstorm Warning	AKQ	Hertford, Northampton	26 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2019 Every severe thunderstorm warning in 2019

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.