Alert archive / Alabama / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 112

March 31, 200552 counties in Alabama; 12 counties in Georgia; 20 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Mar 31, 2005, 1:15 AM CST for 52 counties in Alabama; 12 counties in Georgia; 20 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 31, 2005, 1:15 AM CST (07:15 UTC)
Expired
Mar 31, 2005, 8:00 AM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 84 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Etowah County, AL, Fayette County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike 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, Washington County, AL, Wilcox County, AL, Carroll County, GA, Clay County, GA, Early County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Muscogee County, GA, Paulding County, GA, Polk County, GA, Quitman County, GA, Stewart County, GA, Troup County, GA, Chickasaw County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Forrest County, MS, Greene County, MS, Jasper County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Lowndes County, MS, Monroe County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Perry County, MS, Wayne County, MS, Webster County, MS, Winston County, MS

The radar

The Birmingham radar (KBMX), 76 km from the middle of the area, began a volume at 07:15 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.

Warnings issued inside it

28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 31, 1:19 AM CSTSevere Thunderstorm WarningJANKemper, Lauderdale56 min
Mar 31, 1:21 AM CSTSevere Thunderstorm WarningBMXMacon24 min
Mar 31, 1:35 AM CSTSevere Thunderstorm WarningBMXSumter41 min
Mar 31, 1:40 AM CSTSevere Thunderstorm WarningJANClarke35 min
Mar 31, 1:45 AM CSTSevere Thunderstorm WarningJANForrest, Jones75 min
Mar 31, 2:11 AM CSTFlash Flood WarningBMXLee2 hr
Mar 31, 2:22 AM CSTSevere Thunderstorm WarningMOBChoctaw23 min
Mar 31, 2:26 AM CSTSevere Thunderstorm WarningJANLeake, Neshoba64 min
Mar 31, 2:29 AM CSTSevere Thunderstorm WarningBMXGreene, Sumter46 min
Mar 31, 2:32 AM CSTSevere Thunderstorm WarningJANClarke43 min
Mar 31, 2:37 AM CSTSevere Thunderstorm WarningJANJones23 min
Mar 31, 2:58 AM CSTSevere Thunderstorm WarningMOBChoctaw47 min
Mar 31, 3:01 AM CSTFlash Flood WarningBMXElmore119 min
Mar 31, 3:08 AM CSTSevere Thunderstorm WarningBMXBibb, Tuscaloosa52 min
Mar 31, 3:11 AM CSTSevere Thunderstorm WarningBMXMarengo64 min
Mar 31, 3:18 AM CSTFlash Flood WarningJANLauderdale, Newton3 hr
Mar 31, 3:41 AM CSTSevere Thunderstorm WarningJANCovington, Jones64 min
Mar 31, 4:05 AM CSTSevere Thunderstorm WarningJANJasper, Smith55 min
Mar 31, 4:41 AM CSTFlash Flood WarningJANClarke, Jasper, Jones3 hr
Mar 31, 4:45 AM CSTSevere Thunderstorm WarningBMXDallas, Perry45 min
Mar 31, 4:46 AM CSTSevere Thunderstorm WarningJANNewton44 min
Mar 31, 6:00 AM CSTSevere Thunderstorm WarningBMXAutauga, Chilton45 min
Mar 31, 6:33 AM CSTSevere Thunderstorm WarningFFCCoweta, Heard, Meriwether, Troup27 min
Mar 31, 7:04 AM CSTFlash Flood WarningJANForrest3 hr
Mar 31, 7:17 AM CSTFlash Flood WarningFFCHarris, Heard, Meriwether, Troup3 hr
Mar 31, 7:26 AM CSTFlash Flood WarningMOBChoctaw94 min
Mar 31, 7:42 AM CSTFlash Flood WarningJANJones2 hr
Mar 31, 7:48 AM CSTFlash Flood WarningMOBClarke, Washington, Wilcox117 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.3 hours before the alert went out and 76 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, Birmingham, AL at 00:00Z on 2005-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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, Birmingham, AL at 00:00Z on 2005-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939587897117Sfc1 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
135 J/kg
Mixed-layer CIN
-297 J/kg
Mixed-layer LCL
1597 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 7:56 PM CSTMesoscale DiscussionSPCColbert, Franklin, Lamar, Lauderdale, Lawrence, Limestone and 2 more94 min
Mar 30, 8:55 PM CSTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Butler, Chilton, Conecuh and 11 more95 min
Mar 30, 9:15 PM CSTSevere Thunderstorm WatchSPCAutauga, Bibb, Butler, Calhoun, Chilton, Clarke and 22 more7 hr
Mar 30, 9:50 PM CSTSevere Thunderstorm WatchSPCBlount, Colbert, Cullman, Fayette, Franklin, Jackson and 10 more6 hr
Mar 30, 10:11 PM CSTMesoscale DiscussionSPCChoctaw, Greene, Pickens, Sumter94 min
Mar 31, 12:53 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Bullock, Butler, Chambers, Chilton and 21 more97 min
Mar 31, 2:08 AM CSTMesoscale DiscussionSPCColbert, DeKalb, Franklin, Jackson, Lauderdale, Lawrence and 4 more97 min
Mar 31, 5:34 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Bullock, Butler, Calhoun, Chambers and 34 more116 min
Mar 31, 6:53 AM CSTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Calhoun and 35 more67 min
Mar 31, 7:30 AM CSTSevere Thunderstorm WatchSPCBarbour, Bullock, Butler, Coffee, Conecuh, Covington and 12 more8 hr
Mar 31, 10:32 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Butler, Coffee, Conecuh, Covington and 7 more88 min
Mar 31, 2:15 PM CSTMesoscale DiscussionSPCBaldwin, Geneva, Houston2 hr
Mar 30, 11:44 PM CSTMesoscale DiscussionSPCBartow, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee and 36 more91 min
Mar 31, 11:40 AM CSTMesoscale DiscussionSPCAmite, Hancock, Harrison, Pearl River, Pike, Stone and 2 more2 hr
Mar 31, 12:15 PM CSTSevere Thunderstorm WatchSPCAmite, George, Hancock, Harrison, Jackson, Pearl River and 4 more6 hr
Mar 31, 3:27 PM CSTMesoscale DiscussionSPCAmite, George, Hancock, Harrison, Jackson, Pearl River and 4 more93 min
Mar 31, 5:28 PM CSTMesoscale DiscussionSPCAdams, Amite, Forrest, Franklin, George, Greene and 13 more62 min
Mar 31, 5:50 PM CSTSevere Thunderstorm WatchSPCAdams, Amite, Covington, Forrest, Franklin, George and 18 more6 hr

Nearby

Severe Thunderstorm Watches in Alabama, 2005Severe Thunderstorm Watches in Mississippi, 2005Severe Thunderstorm Watches in Georgia, 2005Every severe thunderstorm watch 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.