Alert archive / West Virginia / Flood Watches in 2008

Flood Watch 7, NWS Charleston, WV

May 11, 200810 counties in West Virginia

NWS Charleston, WV issued this flood watch at May 11, 2008, 4:38 AM EDT for 10 counties in West Virginia. It took effect at May 11, 2008, 12:00 PM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: May 11, 2008, 4:38 AM EDT (08:38 UTC)
In effect from: May 11, 2008, 12:00 PM EDT
Expired: May 11, 2008, 10:43 PM EDT
In force: 11 hr
Issued by: NWS Charleston, WV
Flood severity: None

Counties Barbour County, WV, Braxton County, WV, Calhoun County, WV, Clay County, WV, Gilmer County, WV, Harrison County, WV, Lewis County, WV, Roane County, WV, Taylor County, WV, Upshur County, WV

The radar

The Charleston,WV radar (KRLX), 117 km from the middle of the area, began a volume at 08:37 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.6 hours before the alert went out and 279 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this flood watch went out at May 10, 7:42 PM EDT, 8 hours 56 minutes earlier.

Area forecast discussion, May 10, 7:42 PM EDT, 8 hours 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, May 10, 8:44 PM EDT, 7 hours 54 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 Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 11, 10:23 AM EDT	Wind Advisory	RLX	Barbour, Upshur	11 hr
May 11, 10:36 AM EDT	Severe Thunderstorm Warning	RLX	Wayne	54 min
May 11, 11:04 AM EDT	Severe Thunderstorm Warning	RLX	Lincoln, Logan, Mingo, Wayne	56 min
May 11, 11:15 AM EDT	Severe Thunderstorm Warning	RLX	Cabell, Lincoln, Putnam, Wayne	60 min
May 11, 11:26 AM EDT	Tornado Warning	RLX	Mingo	24 min
May 11, 11:35 AM EDT	Severe Thunderstorm Warning	RLX	Boone, Cabell, Kanawha, Lincoln, Logan, Mason and 4 more	55 min
May 11, 11:55 AM EDT	Severe Thunderstorm Warning	RLX	Boone, Braxton, Calhoun, Clay, Jackson, Kanawha and 2 more	65 min
May 11, 1:16 PM EDT	Severe Thunderstorm Warning	RLX	Mingo, Wayne	29 min
May 11, 1:23 PM EDT	Severe Thunderstorm Warning	RLX	Wayne	39 min
May 11, 1:40 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Lincoln, Logan, Mingo	35 min
May 11, 2:09 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Logan	36 min
May 11, 2:43 PM EDT	Severe Thunderstorm Warning	RLX	McDowell, Wyoming	32 min
May 11, 3:33 PM EDT	Severe Thunderstorm Warning	RLX	McDowell, Wyoming	27 min
May 11, 10:13 AM EDT	Severe Thunderstorm Warning	RLX	Lawrence	62 min
May 11, 9:39 AM EDT	Severe Thunderstorm Warning	RLX	Carter	51 min
May 11, 10:02 AM EDT	Severe Thunderstorm Warning	RLX	Lawrence	43 min

Nearby

Flood Watches in West Virginia, 2008 Every flood watch 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.