Alert archive / Georgia / Mesoscale Discussions in 2019

Mesoscale Discussion 149

March 3, 201947 counties in Georgia; 25 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Mar 3, 2019, 3:19 PM EST for 47 counties in Georgia; 25 counties in South Carolina. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Mar 3, 2019, 3:19 PM EST (20:19 UTC)
Expired
Mar 3, 2019, 5:15 PM EST
In force
116 min
Issued by
the Storm Prediction Center
Chance of a watch
95%
All 72 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Coffee County, GA, Columbia County, GA, Dodge County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, McDuffie County, GA, Montgomery County, GA, Pierce County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilkes County, GA, Wilkinson County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Charleston,SC radar (KCLX), 41 km from the middle of the area, began a volume at 20:19 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.3 hours before the alert went out and 141 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, Charleston AFB, SC at 12:00Z on 2019-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 86 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, Charleston AFB, SC at 12:00Z on 2019-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
86 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Mar 3, 10:59 AM ESTMesoscale DiscussionSPCBaker, Calhoun, Chattahoochee, Clay, Early, Harris and 19 more2 hr
Mar 3, 12:24 PM ESTTornado WatchSPCBaker, Baldwin, Ben Hill, Berrien, Bibb, Bleckley and 83 more10 hr
Mar 3, 1:02 PM ESTMesoscale DiscussionSPCClay58 min
Mar 3, 1:28 PM ESTMesoscale DiscussionSPCHarris, Muscogee32 min
Mar 3, 3:06 PM ESTMesoscale DiscussionSPCChattahoochee, Houston, Macon, Marion, Muscogee, Peach and 1 more54 min
Mar 3, 3:19 PM ESTMesoscale DiscussionSPCMuscogee26 min
Mar 3, 3:35 PM ESTTornado WatchSPCAppling, Atkinson, Bacon, Bryan, Bulloch, Burke and 18 more7 hr
Mar 3, 3:51 PM ESTMesoscale DiscussionSPCTwiggs, Wilkinson24 min
Mar 3, 4:22 PM ESTMesoscale DiscussionSPCDecatur, Early, Miller, Seminole113 min
Mar 3, 4:28 PM ESTMesoscale DiscussionSPCBaldwin, Bibb, Bleckley, Burke, Crawford, Emanuel and 15 more62 min
Mar 3, 6:15 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 56 more2 hr

Nearby

Mesoscale Discussions in Georgia, 2019Mesoscale Discussions in South Carolina, 2019Every mesoscale discussion in 2019

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.