Alert archive / Virginia / Flash Flood Warnings in 2024

Flash Flood Warning 142, NWS Wakefield, VA

October 1, 2024Chesterfield County, Virginia

NWS Wakefield, VA issued this flash flood warning at Oct 1, 2024, 7:33 AM EDT for Chesterfield County, Virginia. It was in force for 5 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
Oct 1, 2024, 7:33 AM EDT (11:33 UTC)
Expired
Oct 1, 2024, 12:35 PM EDT
In force
5 hr
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Flood severity
None

County Chesterfield County, VA

The radar

The Norfolk radar (KAKQ), 68 km from the middle of the area, began a volume at 11:32 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

Roanoke, VA (KRNK), launched 00:00Z, 11.6 hours before the alert went out and 170 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, Roanoke, VA at 00:00Z on 2024-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 108 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, Roanoke, VA at 00:00Z on 2024-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 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
108 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
64 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 Sep 30, 7:54 PM EDT, 11 hours 39 minutes earlier.

Area forecast discussion, Sep 30, 7:54 PM EDT, 11 hours 39 minutes before
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Hazardous weather outlook, Sep 30, 3:56 PM EDT, 15 hours 37 minutes before
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  <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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 8:55 PM EDTFlash Flood WarningAKQCumberland3 hr
Sep 30, 9:08 PM EDTCoastal Flood WatchAKQEssex, James City, Lancaster, Mathews, Middlesex, Northumberland and 6 more29 hr
Sep 30, 9:08 PM EDTCoastal Flood WarningAKQEssex, James City, Lancaster, Mathews, Middlesex, Northumberland and 5 more33 hr
Sep 30, 11:46 PM EDTAreal Flood WarningAKQCumberland6 hr
Oct 1, 5:39 AM EDTAreal Flood AdvisoryAKQChesterfield, Dinwiddie, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg2 hr
Oct 1, 6:10 AM EDTFlash Flood WarningAKQPrince George, City of Colonial Heights, City of Hopewell, City of Petersburg110 min
Oct 1, 6:30 AM EDTRiver Flood WarningAKQBrunswick, Greensville24 hr
Oct 1, 6:49 AM EDTAreal Flood AdvisoryAKQChesterfield2 hr
Oct 1, 7:26 AM EDTRiver Flood WarningAKQAmelia, Cumberland, Prince Edward35 hr
Oct 1, 7:59 AM EDTFlash Flood WarningAKQChesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg5 hr
Oct 1, 9:05 AM EDTFlash Flood WarningAKQIsle of Wight, Southampton, Surry, Sussex5 hr
Oct 1, 9:49 AM EDTRiver Flood WarningAKQCumberland, Goochland, Powhatan24 hr
Oct 1, 12:44 PM EDTAreal Flood AdvisoryAKQBrunswick, Greensville, City of Emporia3 hr
Sep 30, 9:08 PM EDTCoastal Flood StatementAKQChowan, Perquimans6 hr
Sep 30, 10:56 PM EDTAreal Flood WarningAKQBertie5 hr
Oct 1, 5:57 AM EDTCoastal Flood StatementAKQChowan, Perquimans20 hr

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.