Alert archive / Georgia / Areal Flood Warnings in 2022

Areal Flood Warning 2, NWS Atlanta, GA

September 5, 20224 counties in Georgia

NWS Atlanta, GA issued this areal flood warning at Sep 5, 2022, 9:44 AM EDT for 4 counties in Georgia. 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: Sep 5, 2022, 9:44 AM EDT (13:44 UTC)
Expired: Sep 5, 2022, 2:37 PM EDT
In force: 5 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Chattooga County, GA, Floyd County, GA, Gordon County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 95 km from the middle of the area, began a volume at 13:43 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

Nashville Metro, TN (KBNA), launched 12:00Z, 1.7 hours before the alert went out and 223 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: 414 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 24 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this areal flood warning went out at Sep 5, 7:46 AM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, Sep 5, 7:46 AM EDT, 1 hour 58 minutes before

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Hazardous weather outlook, Sep 5, 5:06 AM EDT, 4 hours 38 minutes before

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</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 Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 4, 9:09 PM EDT	River Flood Warning	FFC	Floyd	17 hr
Sep 4, 9:30 PM EDT	Areal Flood Warning	FFC	Chattooga, Floyd, Walker	12 hr
Sep 4, 9:42 PM EDT	Flash Flood Warning	FFC	Bibb, Jones, Monroe	5 hr
Sep 4, 10:35 PM EDT	Flash Flood Warning	FFC	Henry	5 hr
Sep 5, 4:59 PM EDT	Special Weather Statement	FFC	Oglethorpe	46 min

Nearby

Areal Flood Warnings in Georgia, 2022 Every areal 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.