Alert archive / North Carolina / Flash Flood Warnings in 2022

Flash Flood Warning 8, NWS Morristown, TN

July 5, 2022Cherokee County, North Carolina

NWS Morristown, TN issued this flash flood warning at Jul 5, 2022, 1:01 AM EDT for Cherokee County, North Carolina. It was in force for 3 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
Jul 5, 2022, 1:01 AM EDT (05:01 UTC)
Expired
Jul 5, 2022, 4:00 AM EDT
In force
3 hr
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Flood severity
None

County Cherokee County, NC

The radar

The Knoxville radar (KMRX), 130 km from the middle of the area, began a volume at 05:03 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.0 hours before the alert went out and 200 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, Peachtre/Fal Fld, GA at 00:00Z on 2022-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1376 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, Peachtre/Fal Fld, GA at 00:00Z on 2022-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1376 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1251 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
12 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 Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Jul 4, 10:03 PM EDT, 2 hours 58 minutes earlier.

Area forecast discussion, Jul 4, 10:03 PM EDT, 2 hours 58 minutes before
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Hazardous weather outlook, Jul 4, 3:42 PM EDT, 9 hours 19 minutes before
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<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.
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    </section>
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  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 3:59 PM EDTSpecial Weather StatementMRXJohnson46 min
Jul 5, 5:11 PM EDTSpecial Weather StatementMRXCarter, Sullivan49 min
Jul 5, 5:16 PM EDTSevere Thunderstorm WarningMRXCarter, Sullivan, Unicoi, Washington28 min
Jul 5, 5:21 PM EDTSpecial Weather StatementMRXHawkins39 min
Jul 5, 5:28 PM EDTSevere Thunderstorm WarningMRXGreene, Hawkins, Sullivan, Washington47 min
Jul 5, 6:08 PM EDTSpecial Weather StatementMRXUnicoi52 min
Jul 5, 6:09 PM EDTSpecial Weather StatementMRXSevier51 min
Jul 5, 6:15 PM EDTAreal Flood AdvisoryMRXCarter, Johnson, Sullivan3 hr
Jul 5, 6:34 PM EDTSevere Thunderstorm WarningMRXCampbell, Claiborne41 min
Jul 5, 6:52 PM EDTSpecial Weather StatementMRXScott38 min
Jul 5, 7:05 PM EDTSevere Thunderstorm WarningMRXScott25 min
Jul 5, 7:19 PM EDTSpecial Weather StatementMRXCampbell41 min
Jul 5, 7:33 PM EDTAreal Flood AdvisoryMRXScott3 hr
Jul 5, 7:48 PM EDTSpecial Weather StatementMRXAnderson, Knox42 min
Jul 5, 7:57 PM EDTSevere Thunderstorm WarningMRXAnderson, Blount, Knox48 min
Jul 5, 3:40 PM EDTSpecial Weather StatementMRXWise, City of Norton35 min
Jul 5, 4:03 PM EDTSpecial Weather StatementMRXWise, City of Norton42 min
Jul 5, 4:08 PM EDTSpecial Weather StatementMRXRussell, Washington52 min
Jul 5, 4:33 PM EDTAreal Flood AdvisoryMRXWise, City of Norton3 hr
Jul 5, 5:20 PM EDTAreal Flood AdvisoryMRXRussell, Scott, Washington, City of Bristol3 hr
Jul 5, 12:35 AM EDTAreal Flood AdvisoryMRXCherokee26 min

Nearby

Flash Flood Warnings in North Carolina, 2022Every flash flood warning in 2022

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.