Alert archive / Alabama / Tornado Warnings in 1999

Tornado Warning 49, NWS Birmingham, AL

May 6, 1999Barbour County, Alabama

NWS Birmingham, AL issued this tornado warning at May 6, 1999, 12:23 PM CDT for Barbour County, Alabama. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 6, 1999, 12:23 PM CDT (17:23 UTC)
Expired
May 6, 1999, 1:10 PM CDT
In force
47 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Barbour County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.4 hours before the alert went out and 187 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 1999-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 736 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, Peachtre/Fal Fld, GA at 12:00Z on 1999-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.19395878Sfc1 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
736 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KBHM 061725 RRA
TORBHM
ALC005-061810-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1223 PM CDT THU MAY 6 1999

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED...A

* TORNADO WARNING FOR...
  BARBOUR COUNTY... IN SOUTHEASTERN ALABAMA...

* UNTIL 110 PM CDT.

* AT 1222 PM CDT... WEATHER RADAR DETECTED A TORNADO OVER EXTREME
SOUTHERN BARBOUR COUNTY JUST SOUTH OF TEXASVILLE.  THE STORM WAS
MOVING NORTHEAST AT 35 MPH...AND WILL AFFECT THE TEXASVILLE AND
BAKERHILL AREAS BETWEEN 1225 PM AND 110 PM.

IF YOU ARE IN A CAR...GO IN A NEARBY STURDY BUILDING AS A LAST
RESORT LIE FLAT IN A DITCH...AND COVER YOUR HEAD.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 8:06 PM CDTSevere Thunderstorm WarningBMXColbert, Lauderdale49 min
May 5, 8:28 PM CDTSevere Thunderstorm WarningBMXFranklin47 min
May 5, 8:50 PM CDTSevere Thunderstorm WarningBMXMarion45 min
May 5, 8:53 PM CDTSevere Thunderstorm WarningBMXColbert, Lauderdale47 min
May 5, 9:14 PM CDTSevere Thunderstorm WarningBMXFranklin, Lawrence61 min
May 5, 9:24 PM CDTSevere Thunderstorm WarningBMXLimestone51 min
May 5, 9:30 PM CDTSevere Thunderstorm WarningBMXLamar, Marion50 min
May 5, 9:53 PM CDTSevere Thunderstorm WarningBMXMorgan62 min
May 5, 9:58 PM CDTSevere Thunderstorm WarningBMXMadison62 min
May 5, 10:02 PM CDTSevere Thunderstorm WarningBMXCullman, Winston63 min
May 5, 10:32 PM CDTSevere Thunderstorm WarningBMXJackson63 min
May 5, 11:03 PM CDTSevere Thunderstorm WarningBMXMadison32 min
May 5, 11:25 PM CDTSevere Thunderstorm WarningBMXLamar30 min
May 5, 11:54 PM CDTSevere Thunderstorm WarningBMXLamar31 min
May 6, 12:06 AM CDTSevere Thunderstorm WarningBMXFayette, Walker64 min
May 6, 12:06 AM CDTSevere Thunderstorm WarningBMXCullman, Winston64 min
May 6, 12:19 AM CDTFlash Flood WarningBMXMorgan3 hr
May 6, 12:27 AM CDTFlash Flood WarningBMXMadison3 hr
May 6, 12:37 AM CDTSevere Thunderstorm WarningBMXPickens48 min
May 6, 12:52 AM CDTSevere Thunderstorm WarningBMXJackson48 min
May 6, 12:57 AM CDTSevere Thunderstorm WarningBMXDeKalb63 min
May 6, 1:11 AM CDTSevere Thunderstorm WarningBMXTuscaloosa64 min
May 6, 1:36 AM CDTSevere Thunderstorm WarningBMXJefferson, Walker64 min
May 6, 1:47 AM CDTFlash Flood WarningBMXDeKalb3 hr
May 6, 1:51 AM CDTSevere Thunderstorm WarningBMXBlount64 min
May 6, 2:16 AM CDTSevere Thunderstorm WarningBMXTuscaloosa44 min
May 6, 3:10 AM CDTSevere Thunderstorm WarningBMXPerry65 min
May 6, 3:46 AM CDTSevere Thunderstorm WarningBMXSt. Clair49 min
May 6, 4:15 AM CDTSevere Thunderstorm WarningBMXCalhoun50 min
May 6, 4:38 AM CDTSevere Thunderstorm WarningBMXCherokee, Cleburne62 min
May 6, 5:31 AM CDTSevere Thunderstorm WarningBMXClay, Randolph49 min
May 6, 6:12 AM CDTSevere Thunderstorm WarningBMXChambers, Tallapoosa63 min
May 6, 6:21 AM CDTSevere Thunderstorm WarningBMXRandolph49 min
May 6, 6:23 AM CDTSevere Thunderstorm WarningBMXMarengo52 min
May 6, 6:32 AM CDTSevere Thunderstorm WarningBMXPerry48 min
May 6, 7:17 AM CDTSevere Thunderstorm WarningBMXElmore63 min
May 6, 7:52 AM CDTSevere Thunderstorm WarningBMXDallas, Lowndes63 min
May 6, 8:22 AM CDTSevere Thunderstorm WarningBMXChambers33 min
May 6, 8:45 AM CDTSevere Thunderstorm WarningBMXMontgomery45 min
May 6, 9:54 AM CDTSevere Thunderstorm WarningBMXLee46 min

Nearby

Tornado Warnings in Alabama, 1999Every tornado warning in 1999Tornadoes in 1999

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.