Alert archive / Georgia / Mesoscale Discussions in 2022

Mesoscale Discussion 415

April 5, 202230 counties in Georgia; 8 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Apr 5, 2022, 4:22 PM EDT for 30 counties in Georgia; 8 counties in South Carolina. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Apr 5, 2022, 4:22 PM EDT (20:22 UTC)
Expired
Apr 5, 2022, 5:45 PM EDT
In force
83 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 96...98
All 38 counties

Appling County, GA, Bacon County, GA, Ben Hill County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Coffee County, GA, Dodge County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Long County, GA, Montgomery County, GA, Pierce County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC, Orangeburg County, SC

The radar

The Charleston,SC radar (KCLX), 92 km from the middle of the area, began a volume at 20:21 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.4 hours before the alert went out and 237 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, Jacksonville, FL at 12:00Z on 2022-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 529 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, Jacksonville, FL at 12:00Z on 2022-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.1939587897Sfc1 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
529 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 5, 11:15 AM EDTMesoscale DiscussionSPCAtkinson, Bacon, Baker, Baldwin, Ben Hill, Berrien and 64 more2 hr
Apr 5, 12:03 PM EDTTornado WatchSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 69 more7 hr
Apr 5, 1:22 PM EDTMesoscale DiscussionSPCBaker, Baldwin, Bibb, Bleckley, Calhoun, Chattahoochee and 36 more83 min
Apr 5, 2:50 PM EDTMesoscale DiscussionSPCBrantley, Bryan, Bulloch, Burke, Candler, Charlton and 16 more115 min
Apr 5, 3:15 PM EDTTornado WatchSPCBrantley, Bryan, Bulloch, Burke, Camden, Candler and 20 more6 hr
Apr 5, 3:30 PM EDTMesoscale DiscussionSPCAtkinson, Baker, Baldwin, Ben Hill, Berrien, Bibb and 40 more90 min
Apr 5, 6:45 PM EDTMesoscale DiscussionSPCBrantley, Camden, Charlton, Clinch, Echols, Glynn and 1 more90 min
Apr 5, 5:26 PM EDTMesoscale DiscussionSPCDillon, Florence, Georgetown, Horry, Marion, Williamsburg64 min
Apr 5, 5:47 PM EDTTornado WatchSPCFlorence, Georgetown, Horry, Marion, Williamsburg5 hr
Apr 5, 6:30 PM EDTMesoscale DiscussionSPCBamberg, Beaufort, Berkeley, Charleston, Clarendon, Colleton and 5 more90 min

Nearby

Mesoscale Discussions in Georgia, 2022Mesoscale Discussions in South Carolina, 2022Every mesoscale discussion 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.