Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 13, NWS Birmingham, AL

January 4, 2000Jefferson County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 4, 2000, 12:14 AM CST for Jefferson County, Alabama. It was in force for 46 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
Jan 4, 2000, 12:14 AM CST (06:14 UTC)
Expired
Jan 4, 2000, 1:00 AM CST
In force
46 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Jefferson County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.2 hours before the alert went out and 43 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 2000-01-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2000-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 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
4 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 040614
SVRBHM
ALC073-040700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1214 AM CST TUE JAN 4 2000

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

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY...IN CENTRAL ALABAMA...

* UNTIL 100 AM CST.

* AT 1212 AM CST... WEATHER RADAR SHOWED A LINE OF SEVERE
  THUNDERSTORMS...IN THE OAK GROVE AREA.  THE STORM WAS NORTHEAST AT 50
  MPH.  THE LINE OF STORMS WILL AFFECT THE HUEYTOWN...BIRMINGHAM...
  GARDENDALE...AND TRUSTVILLE AREAS.

GO INSIDE A STURDY BUILDING...AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN...AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE...OR NO ADVANCE WARNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 6:02 PM CSTSevere Thunderstorm WarningBMXFranklin, Marion28 min
Jan 3, 6:37 PM CSTSevere Thunderstorm WarningBMXColbert, Franklin23 min
Jan 3, 6:44 PM CSTSevere Thunderstorm WarningBMXHale, Tuscaloosa31 min
Jan 3, 6:53 PM CSTSevere Thunderstorm WarningBMXJackson, Madison37 min
Jan 3, 9:38 PM CSTSevere Thunderstorm WarningBMXLimestone32 min
Jan 3, 9:54 PM CSTSevere Thunderstorm WarningBMXMadison46 min
Jan 3, 10:52 PM CSTSevere Thunderstorm WarningBMXTuscaloosa48 min
Jan 3, 11:00 PM CSTSevere Thunderstorm WarningBMXWalker50 min
Jan 3, 11:56 PM CSTSevere Thunderstorm WarningBMXJackson34 min
Jan 4, 12:23 AM CSTSevere Thunderstorm WarningBMXBibb32 min
Jan 4, 12:41 AM CSTSevere Thunderstorm WarningBMXPerry49 min
Jan 4, 1:10 AM CSTSevere Thunderstorm WarningBMXBibb35 min
Jan 4, 1:54 AM CSTSevere Thunderstorm WarningBMXTalladega31 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000Every severe thunderstorm warning in 2000

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.