Alert archive / Georgia / Mesoscale Discussions in 2005

Mesoscale Discussion 342

March 22, 200514 counties in Alabama; 17 counties in Florida; 28 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 22, 2005, 12:51 PM CST for 14 counties in Alabama; 17 counties in Florida; 28 counties in Georgia. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued
Mar 22, 2005, 12:51 PM CST (18:51 UTC)
Expired
Mar 22, 2005, 1:45 PM CST
In force
54 min
Issued by
the Storm Prediction Center
All 59 counties

Barbour County, AL, Bullock County, AL, Butler County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lowndes County, AL, Montgomery County, AL, Pike County, AL, Bay County, FL, Calhoun County, FL, Dixie County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Okaloosa County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Stewart County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Webster County, GA, Worth County, GA

The watches that followed

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.9 hours before the alert went out and 167 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, Tallahassee Rgnl, FL at 12:00Z on 2005-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 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, Tallahassee Rgnl, FL at 12:00Z on 2005-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 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
714 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.3

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 22, 6:55 AM CSTTornado WatchSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Dallas and 7 more6 hr
Mar 22, 7:38 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 5 more67 min
Mar 22, 7:40 AM CSTTornado WatchSPCBarbour, Bullock, Coffee, Crenshaw, Dale, Geneva and 4 more6 hr
Mar 22, 8:49 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 30 more26 min
Mar 22, 9:15 AM CSTSevere Thunderstorm WatchSPCAutauga, Bibb, Calhoun, Chambers, Chilton, Clay and 23 more6 hr
Mar 22, 9:44 AM CSTMesoscale DiscussionSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 8 more61 min
Mar 22, 1:20 PM CSTTornado WatchSPCHenry, Houston7 hr
Mar 22, 3:43 PM CSTMesoscale DiscussionSPCChoctaw, Greene, Sumter, Washington2 hr
Mar 22, 4:50 PM CSTSevere Thunderstorm WatchSPCColbert, Cullman, Franklin, Lauderdale, Lawrence, Marion and 1 more5 hr
Mar 22, 9:38 AM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 6 more2 hr
Mar 22, 10:05 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 9 more7 hr
Mar 22, 1:37 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 15 more83 min
Mar 22, 3:41 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 9 more34 min
Mar 22, 4:00 PM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 8 more6 hr
Mar 22, 5:10 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 6 more95 min
Mar 22, 10:54 AM CSTMesoscale DiscussionSPCAppling, Baldwin, Bleckley, Bryan, Bulloch, Burke and 34 more36 min
Mar 22, 12:20 PM CSTSevere Thunderstorm WatchSPCAppling, Baldwin, Bleckley, Bryan, Bulloch, Burke and 36 more7 hr
Mar 22, 2:05 PM CSTMesoscale DiscussionSPCBibb, Butts, Carroll, Chattahoochee, Clayton, Coweta and 32 more25 min

Nearby

Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Florida, 2005Mesoscale Discussions in Alabama, 2005Every 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.