Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 349

March 4, 20084 states

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2008, 2:30 PM EST for 4 states. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued
Mar 4, 2008, 2:30 PM EST (19:30 UTC)
Expired
Mar 4, 2008, 4:00 PM EST
In force
90 min
Issued by
the Storm Prediction Center
All 62 counties

Baldwin County, GA, Banks County, GA, Barrow County, GA, Bibb County, GA, Butts County, GA, Clarke County, GA, Clayton County, GA, Crawford County, GA, Dawson County, GA, DeKalb County, GA, Elbert County, GA, Forsyth County, GA, Franklin County, GA, Greene County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Hancock County, GA, Hart County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Pike County, GA, Putnam County, GA, Rabun County, GA, Rockdale County, GA, Spalding County, GA, Stephens County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Towns County, GA, Union County, GA, Upson County, GA, Walton County, GA, White County, GA, Wilkes County, GA, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC, Transylvania County, NC, Anderson County, SC, Oconee County, SC, Pickens County, SC, Blount County, TN, Cocke County, TN, Jefferson County, TN, Knox County, TN, Sevier County, TN

The radar

The Atlanta radar (KFFC), 119 km from the middle of the area, began a volume at 19:30 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 12:00Z, 7.5 hours before the alert went out and 116 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 12:00Z on 2008-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2008-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 369 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
369 m²/s²
0-3 km storm-relative helicity
451 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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 4, 2:09 AM ESTMesoscale DiscussionSPCChattooga, Dade, Walker66 min
Mar 4, 2:25 AM ESTTornado WatchSPCCarroll, Catoosa, Chattooga, Dade, Floyd, Gordon and 7 more8 hr
Mar 4, 3:30 AM ESTMesoscale DiscussionSPCBaker, Calhoun, Chattahoochee, Clay, Decatur, Dougherty and 19 more90 min
Mar 4, 4:21 AM ESTTornado WatchSPCBaker, Calhoun, Clay, Decatur, Dougherty, Early and 8 more9 hr
Mar 4, 5:55 AM ESTMesoscale DiscussionSPCBaldwin, Bibb, Bleckley, Butts, Carroll, Chattahoochee and 51 more95 min
Mar 4, 11:17 AM ESTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 48 more118 min
Mar 4, 11:56 AM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 79 more2 hr
Mar 4, 12:04 PM ESTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 96 more8 hr
Mar 4, 4:31 PM ESTTornado WatchSPCLincoln8 hr
Mar 4, 5:48 PM ESTMesoscale DiscussionSPCBryan, Bulloch, Burke, Chatham, Effingham, Liberty and 2 more57 min
Mar 4, 6:27 PM ESTTornado WatchSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 11 more7 hr
Mar 4, 6:33 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Chowan and 34 more87 min
Mar 4, 2:03 PM ESTMesoscale DiscussionSPCAnson, Cabarrus, Cleveland, Gaston, Lincoln, Mecklenburg and 2 more117 min
Mar 4, 5:53 PM ESTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 18 more9 hr
Mar 4, 10:38 AM ESTMesoscale DiscussionSPCBledsoe, Campbell, Cannon, Clay, Cumberland, DeKalb and 14 more2 hr

Nearby

Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in North Carolina, 2008Mesoscale Discussions in Tennessee, 2008Every mesoscale discussion in 2008

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.