Alert archive / Virginia / Flash Flood Watches in 2018

Flash Flood Watch 2, NWS Wakefield, VA

June 2, 201847 counties in Virginia; 4 counties in Maryland

NWS Wakefield, VA issued this flash flood watch at Jun 2, 2018, 3:20 AM EDT for 47 counties in Virginia; 4 counties in Maryland. It took effect at Jun 2, 2018, 11:00 AM EDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued: Jun 2, 2018, 3:20 AM EDT (07:20 UTC)
In effect from: Jun 2, 2018, 11:00 AM EDT
Expired: Jun 3, 2018, 6:00 PM EDT
In force: 31 hr
Issued by: NWS Wakefield, VA
Flood severity: None

All 51 counties

Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Amelia County, VA, Brunswick County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Hopewell, VA, City of Newport News, VA, City of Petersburg, VA, City of Poquoson, VA, City of Richmond, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fluvanna County, VA, Gloucester County, VA, Goochland County, VA, Greensville County, VA, Hanover County, VA, Henrico County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Louisa County, VA, Lunenburg County, VA, Mathews County, VA, Mecklenburg County, VA, Middlesex County, VA, New Kent County, VA, Northumberland County, VA, Nottoway County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 47 km from the middle of the area, began a volume at 07:22 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 00:00Z, 7.3 hours before the alert went out and 174 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: 678 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1436 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 2, 1:24 AM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jun 2, 1:24 AM EDT, 1 hour 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>

Hazardous weather outlook, Jun 1, 4:05 PM EDT, 11 hours 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>

In the hours before

Special weather statement, Jun 1, 10:18 PM EDT, 5 hours 2 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 1, 10:34 PM EDT, 4 hours 46 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 1, 11:10 PM EDT, 4 hours 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>

Special weather statement, Jun 1, 11:14 PM EDT, 4 hours 6 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 2, 12:03 AM EDT, 3 hours 17 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 2, 2:29 AM EDT, 51 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
Jun 1, 8:04 PM EDT	Special Weather Statement	AKQ	Louisa	41 min
Jun 1, 8:06 PM EDT	Special Weather Statement	AKQ	Cumberland	39 min
Jun 1, 8:12 PM EDT	Special Weather Statement	AKQ	Mecklenburg	48 min
Jun 1, 8:50 PM EDT	Special Weather Statement	AKQ	Louisa	40 min
Jun 1, 9:00 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	30 min
Jun 1, 9:27 PM EDT	Special Weather Statement	AKQ	Brunswick	33 min
Jun 1, 9:57 PM EDT	Special Weather Statement	AKQ	Brunswick	33 min
Jun 1, 9:59 PM EDT	Special Weather Statement	AKQ	Greensville, City of Emporia	31 min
Jun 1, 10:18 PM EDT	Special Weather Statement	AKQ	Amelia, Chesterfield	42 min
Jun 1, 10:34 PM EDT	Special Weather Statement	AKQ	Greensville, Southampton, Sussex, City of Emporia	41 min
Jun 1, 11:10 PM EDT	Special Weather Statement	AKQ	Henrico, City of Richmond	35 min
Jun 1, 11:14 PM EDT	Special Weather Statement	AKQ	Essex	46 min
Jun 2, 12:03 AM EDT	Special Weather Statement	AKQ	Essex, Richmond	57 min
Jun 2, 2:29 AM EDT	Special Weather Statement	AKQ	Accomack	61 min
Jun 2, 3:47 AM EDT	Gale Watch	AKQ		12 hr
Jun 2, 3:47 AM EDT	Small Craft Advisory	AKQ		60 hr
Jun 2, 10:40 AM EDT	Special Weather Statement	AKQ	Prince Edward	65 min
Jun 2, 11:30 AM EDT	Areal Flood Advisory	AKQ	Cumberland, Goochland, Louisa, Powhatan	3 hr
Jun 2, 12:22 PM EDT	Areal Flood Advisory	AKQ	Prince Edward	3 hr
Jun 2, 2:33 PM EDT	Special Weather Statement	AKQ	Mecklenburg	57 min
Jun 2, 3:00 PM EDT	Special Weather Statement	AKQ	Chesterfield, City of Colonial Heights, City of Richmond	60 min
Jun 2, 3:23 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Henrico, City of Richmond	3 hr
Jun 2, 3:32 PM EDT	Areal Flood Advisory	AKQ	Fluvanna, Goochland, Louisa	3 hr
Jun 2, 4:15 PM EDT	Special Weather Statement	AKQ	City of Richmond	45 min
Jun 2, 4:16 PM EDT	Beach Hazards Statement	AKQ	Accomack, Northampton	52 hr
Jun 2, 4:16 PM EDT	Rip Current Statement	AKQ	Accomack, Northampton	52 hr
Jun 2, 4:17 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Goochland, Henrico, Powhatan, City of Richmond	3 hr
Jun 2, 4:30 PM EDT	Flash Flood Warning	AKQ	Chesterfield, Goochland, Henrico, Powhatan, City of Richmond	3 hr
Jun 2, 4:31 PM EDT	Areal Flood Advisory	AKQ	Charles City, Hanover, Henrico, King and Queen, King William, New Kent and 4 more	3 hr
Jun 2, 4:45 PM EDT	Areal Flood Advisory	AKQ	Goochland, Hanover, Henrico, King William	3 hr
Jun 2, 4:49 PM EDT	Flash Flood Warning	AKQ	Charles City, James City, King William, New Kent	86 min
Jun 2, 5:05 PM EDT	Flash Flood Warning	AKQ	Hanover, Henrico	3 hr
Jun 2, 5:40 PM EDT	Areal Flood Advisory	AKQ	Gloucester, Mathews, York, City of Newport News	3 hr
Jun 2, 5:57 PM EDT	Areal Flood Advisory	AKQ	York, City of Chesapeake, City of Hampton, City of Newport News, City of Norfolk, City of Poquoson and 2 more	3 hr
Jun 2, 6:18 PM EDT	Areal Flood Advisory	AKQ	Essex, Hanover, King and Queen, King William, Richmond	3 hr
Jun 2, 6:58 PM EDT	Special Weather Statement	AKQ	Northampton	62 min
Jun 2, 7:53 PM EDT	Special Weather Statement	AKQ	Lancaster	52 min
Jun 2, 11:06 AM EDT	Special Weather Statement	AKQ	Worcester	39 min
Jun 2, 11:44 AM EDT	Special Weather Statement	AKQ	Worcester	46 min
Jun 2, 12:35 PM EDT	Special Weather Statement	AKQ	Wicomico	55 min
Jun 2, 12:45 PM EDT	Areal Flood Advisory	AKQ	Wicomico	3 hr
Jun 2, 2:27 PM EDT	Special Weather Statement	AKQ	Somerset	48 min
Jun 2, 2:42 PM EDT	Flash Flood Warning	AKQ	Somerset	4 hr
Jun 2, 7:32 PM EDT	Special Weather Statement	AKQ	Currituck	43 min

Nearby

Flash Flood Watches in Virginia, 2018 Flash Flood Watches in Maryland, 2018 Every flash flood watch in 2018

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.