Alert archive / Virginia / Flash Flood Warnings in 2024

Flash Flood Warning 93, NWS Wakefield, VA

August 10, 2024City of Chesapeake, City of Virginia Beach, Virginia

NWS Wakefield, VA issued this flash flood warning at Aug 10, 2024, 3:01 PM EDT for City of Chesapeake, City of Virginia Beach, Virginia. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 10, 2024, 3:01 PM EDT (19:01 UTC)
Expired
Aug 10, 2024, 5:30 PM EDT
In force
2 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

Counties City of Chesapeake, VA, City of Virginia Beach, VA

The radar

The Norfolk radar (KAKQ), 81 km from the middle of the area, began a volume at 19:01 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 12:00Z, 7.0 hours before the alert went out and 225 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-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2024-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2053 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2024-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2053 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
-33 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 flash flood 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 flash flood warning went out at Aug 10, 1:56 PM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Aug 10, 1:56 PM EDT, 1 hour 5 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, Aug 10, 9:20 AM EDT, 5 hours 41 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, Aug 10, 2:32 PM EDT, 29 minutes before
Special Weather Statement
National Weather Service Wakefield VA
232 PM EDT Sat Aug 10 2024

VAZ097-101900-
Chesapeake VA-
232 PM EDT Sat Aug 10 2024

...A STRONG THUNDERSTORM WILL IMPACT THE CENTRAL CITY OF CHESAPEAKE
THROUGH 300 PM EDT...

At 232 PM EDT, Doppler radar was tracking a strong thunderstorm over
Deep Creek, moving east southeast at 10 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This strong thunderstorm will be near...
  Chesapeake around 235 PM EDT.

Other locations impacted by this storm include Herberts Corner,
Hickory, and Chesapeake Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3665 7644 3677 7639 3677 7621 3676 7618
      3656 7622
TIME...MOT...LOC 1832Z 277DEG 9KT 3670 7634

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

EI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:05 PM EDTSpecial Weather StatementAKQKing William40 min
Aug 9, 8:48 PM EDTSpecial Weather StatementAKQKing William42 min
Aug 9, 10:40 PM EDTSpecial Weather StatementAKQKing and Queen50 min
Aug 10, 4:07 AM EDTFlood WatchAKQCity of Chesapeake, City of Virginia Beach16 hr
Aug 10, 9:18 AM EDTCoastal Flood AdvisoryAKQCity of Virginia Beach15 hr
Aug 10, 1:54 PM EDTAreal Flood AdvisoryAKQSurry, Sussex3 hr
Aug 10, 2:17 PM EDTFlash Flood WarningAKQCity of Norfolk, City of Portsmouth2 hr
Aug 10, 2:32 PM EDTSpecial Weather StatementAKQCity of Chesapeake28 min
Aug 10, 3:39 PM EDTSpecial Marine WarningAKQ66 min
Aug 10, 4:36 PM EDTSpecial Marine WarningAKQ69 min
Aug 10, 3:14 PM EDTSpecial Weather StatementAKQCamden46 min
Aug 10, 3:55 PM EDTSpecial Weather StatementAKQCamden, Currituck50 min
Aug 10, 4:12 PM EDTSpecial Weather StatementAKQChowan48 min
Aug 10, 4:44 PM EDTFlash Flood WarningAKQChowan, Perquimans3 hr
Aug 10, 4:47 PM EDTSpecial Weather StatementAKQCamden, Currituck43 min
Aug 10, 4:51 PM EDTSevere Thunderstorm WarningAKQCamden, Currituck39 min
Aug 10, 5:08 PM EDTFlash Flood WarningAKQCamden, Currituck, Pasquotank3 hr
Aug 10, 5:33 PM EDTSpecial Weather StatementAKQHertford42 min
Aug 10, 6:12 PM EDTSpecial Weather StatementAKQHertford48 min

Nearby

Flash Flood Warnings in Virginia, 2024Every flash flood warning in 2024

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.