Alert archive / Alabama / Mesoscale Discussions in 2005

Mesoscale Discussion 337

March 22, 200536 counties in Alabama; 8 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 22, 2005, 8:49 AM CST for 36 counties in Alabama; 8 counties in Georgia. It was in force for 26 min.

The area

The outline as issued.

The facts

Issued: Mar 22, 2005, 8:49 AM CST (14:49 UTC)
Expired: Mar 22, 2005, 9:15 AM CST
In force: 26 min
Issued by: the Storm Prediction Center

All 44 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Cullman County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Macon County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Carroll County, GA, Chattahoochee County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Muscogee County, GA, Polk County, GA, Troup County, GA

The radar

The Birmingham radar (KBMX), 37 km from the middle of the area, began a volume at 14:52 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.

Severe Thunderstorm Watch 65Mar 22, 9:15 AM CST

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 2.8 hours before the alert went out and 36 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 235 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.

Issued	Product	Office	Counties	Lasted
Mar 22, 6:55 AM CST	Tornado Watch	SPC	Baldwin, Butler, Choctaw, Clarke, Conecuh, Dallas and 7 more	6 hr
Mar 22, 7:38 AM CST	Mesoscale Discussion	SPC	Barbour, Bullock, Coffee, Covington, Crenshaw, Dale and 5 more	67 min
Mar 22, 7:40 AM CST	Tornado Watch	SPC	Barbour, Bullock, Coffee, Crenshaw, Dale, Geneva and 4 more	6 hr
Mar 22, 9:15 AM CST	Severe Thunderstorm Watch	SPC	Autauga, Bibb, Calhoun, Chambers, Chilton, Clay and 23 more	6 hr
Mar 22, 9:44 AM CST	Mesoscale Discussion	SPC	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 8 more	61 min
Mar 22, 12:51 PM CST	Mesoscale Discussion	SPC	Barbour, Bullock, Butler, Coffee, Covington, Crenshaw and 8 more	54 min
Mar 22, 1:20 PM CST	Tornado Watch	SPC	Henry, Houston	7 hr
Mar 22, 3:43 PM CST	Mesoscale Discussion	SPC	Choctaw, Greene, Sumter, Washington	2 hr
Mar 22, 4:50 PM CST	Severe Thunderstorm Watch	SPC	Colbert, Cullman, Franklin, Lauderdale, Lawrence, Marion and 1 more	5 hr
Mar 22, 9:38 AM CST	Mesoscale Discussion	SPC	Atkinson, Brantley, Camden, Charlton, Clinch, Glynn and 2 more	2 hr
Mar 22, 10:05 AM CST	Tornado Watch	SPC	Atkinson, Bacon, Brantley, Camden, Charlton, Clinch and 6 more	7 hr
Mar 22, 10:54 AM CST	Mesoscale Discussion	SPC	Appling, Baldwin, Bleckley, Bryan, Bulloch, Burke and 34 more	36 min
Mar 22, 12:20 PM CST	Severe Thunderstorm Watch	SPC	Appling, Baldwin, Bleckley, Bryan, Bulloch, Burke and 36 more	7 hr
Mar 22, 1:37 PM CST	Mesoscale Discussion	SPC	Appling, Atkinson, Bacon, Berrien, Brantley, Camden and 13 more	83 min
Mar 22, 2:05 PM CST	Mesoscale Discussion	SPC	Bibb, Butts, Carroll, Chattahoochee, Clayton, Coweta and 32 more	25 min
Mar 22, 3:41 PM CST	Mesoscale Discussion	SPC	Appling, Atkinson, Bacon, Brantley, Camden, Charlton and 8 more	34 min
Mar 22, 4:00 PM CST	Tornado Watch	SPC	Appling, Atkinson, Bacon, Ben Hill, Brantley, Bryan and 14 more	6 hr
Mar 22, 5:10 PM CST	Mesoscale Discussion	SPC	Brantley, Bryan, Camden, Charlton, Clinch, Echols and 7 more	95 min

Nearby

Mesoscale Discussions in Alabama, 2005 Mesoscale Discussions in Georgia, 2005 Every mesoscale discussion in 2005

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.