Alert archive / Virginia / Special Weather Statements in 2019

Special Weather Statement, NWS Wakefield, VA

July 5, 2019City of Chesapeake, City of Portsmouth, Virginia

NWS Wakefield, VA issued this special weather statement at Jul 5, 2019, 4:21 PM EDT for City of Chesapeake, City of Portsmouth, Virginia. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 5, 2019, 4:21 PM EDT (20:21 UTC)
Expired: Jul 5, 2019, 5:00 PM EDT
In force: 39 min
Issued by: NWS Wakefield, VA

Counties City of Chesapeake, VA, City of Portsmouth, VA

The radar

The Norfolk radar (KAKQ), 74 km from the middle of the area, began a volume at 20:23 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.4 hours before the alert went out and 265 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: 487 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 4, 7:49 PM EDT, 20 hours 32 minutes earlier.

Area forecast discussion, Jul 4, 7:49 PM EDT, 20 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>

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 8:25 PM EDT	Areal Flood Advisory	AKQ	Dinwiddie, Prince George, Sussex	3 hr
Jul 4, 8:43 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, New Kent, Surry, City of Williamsburg	62 min
Jul 5, 3:10 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Norfolk, City of Virginia Beach	50 min
Jul 5, 4:32 PM EDT	Areal Flood Advisory	AKQ	City of Chesapeake, City of Virginia Beach	2 hr

Nearby

Special Weather Statements in Virginia, 2019 Every special weather statement 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.