Alert archive / Alabama / Tornado Watches in 2005

Tornado Watch 72

March 22, 200532 counties in Alabama; 13 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Mar 22, 2005, 6:50 PM CST for 32 counties in Alabama; 13 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 22, 2005, 6:50 PM CST (00:50 UTC)
Expired
Mar 23, 2005, 2:00 AM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 45 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Butler County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Cullman County, AL, Dallas County, AL, Escambia County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Marengo County, AL, Marion County, AL, Monroe County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Winston County, AL, Clarke County, MS, Forrest County, MS, George County, MS, Greene County, MS, Itawamba County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Lowndes County, MS, Monroe County, MS, Noxubee County, MS, Perry County, MS, Wayne County, MS

The radar

The Birmingham radar (KBMX), 157 km from the middle of the area, began a volume at 00:52 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 22, 6:58 PM CSTTornado WarningJANNoxubee32 min
Mar 22, 7:07 PM CSTTornado WarningJANLowndes, Noxubee8 min
Mar 22, 7:22 PM CSTSevere Thunderstorm WarningJANLowndes38 min
Mar 22, 7:28 PM CSTSevere Thunderstorm WarningBMXLamar62 min
Mar 22, 7:43 PM CSTSevere Thunderstorm WarningBMXPickens32 min
Mar 22, 7:48 PM CSTTornado WarningBMXPickens42 min
Mar 22, 7:57 PM CSTSevere Thunderstorm WarningBMXFayette48 min
Mar 22, 7:58 PM CSTTornado WarningBMXGreene32 min
Mar 22, 8:07 PM CSTSevere Thunderstorm WarningJANJasper, Jones38 min
Mar 22, 8:11 PM CSTTornado WarningBMXTuscaloosa49 min
Mar 22, 8:33 PM CSTSevere Thunderstorm WarningBMXPickens27 min
Mar 22, 8:37 PM CSTSevere Thunderstorm WarningBMXWinston23 min
Mar 22, 9:29 PM CSTSevere Thunderstorm WarningMOBChoctaw46 min
Mar 22, 9:43 PM CSTTornado WarningBMXPerry47 min
Mar 22, 9:55 PM CSTTornado WarningBMXDallas35 min
Mar 22, 10:05 PM CSTTornado WarningBMXChilton55 min
Mar 22, 10:06 PM CSTSevere Thunderstorm WarningMOBClarke, Washington26 min
Mar 22, 10:28 PM CSTSevere Thunderstorm WarningBMXMarengo32 min
Mar 22, 10:54 PM CSTSevere Thunderstorm WarningBMXShelby36 min
Mar 22, 11:04 PM CSTSevere Thunderstorm WarningBMXAutauga, Chilton41 min
Mar 22, 11:35 PM CSTTornado WarningBMXChilton10 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, 0.8 hours before the alert went out and 156 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 2005-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 341 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 2005-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
341 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 230050
SEL2  
SPC WW 230050
ALZ000-MSZ000-230800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 72
NWS STORM PREDICTION CENTER NORMAN OK
650 PM CST TUE MAR 22 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       CENTRAL AND WESTERN ALABAMA
       EASTERN MISSISSIPPI

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 650 PM
UNTIL 200 AM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHWEST OF
BIRMINGHAM ALABAMA TO 80 MILES SOUTHEAST OF LAUREL MISSISSIPPI. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 67...WW 68...WW 69...WW
70...WW 71...

DISCUSSION...ISOLATED STRONG/SEVERE THUNDERSTORMS ARE INCREASING
OVER EASTERN MS.  THESE STORMS ARE EXPECTED TO BECOME MORE NUMEROUS
AND SPREAD EASTWARD INTO AL DURING THE NEXT SEVERAL HOURS.  THIS
REGION IS BENEATH 80KT MID LEVEL SPEED MAX...WITH AT LEAST MARGINAL
INSTABILITY PRESENT.  LARGE HAIL APPEARS TO BE THE MAIN THREAT. 
HOWEVER...ISOLATED TORNADOES CANNOT BE RULED OUT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.


...HART

341,0854 305,0865 305,0892 341,0882

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 22, 6:09 PM CSTMesoscale DiscussionSPCAutauga, Bibb, Butler, Chilton, Choctaw, Clarke and 22 more2 hr
Mar 22, 7:47 PM CSTMesoscale DiscussionSPCColbert, Cullman, Franklin, Lauderdale, Lawrence, Marion and 1 more88 min
Mar 22, 9:36 PM CSTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Blount, Bullock, Butler and 49 more84 min
Mar 22, 10:11 PM CSTMesoscale DiscussionSPCDeKalb, Jackson, Lawrence, Limestone, Madison, Morgan2 hr
Mar 22, 11:30 PM CSTTornado WatchSPCBarbour, Bullock, Butler, Chambers, Coffee, Coosa and 13 more7 hr
Mar 22, 11:37 PM CSTMesoscale DiscussionSPCAutauga, Barbour, Bullock, Butler, Chambers, Coffee and 19 more83 min
Mar 23, 12:35 AM CSTTornado WatchSPCChambers, Lee, Randolph7 hr
Mar 23, 1:27 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Butler, Chilton, Choctaw and 27 more63 min
Mar 23, 2:11 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Coosa, Covington and 13 more2 hr

Nearby

Tornado Watches in Alabama, 2005Tornado Watches in Mississippi, 2005Every tornado 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.