Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 23, NWS Birmingham, AL

January 9, 2000Lowndes County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 9, 2000, 4:57 PM CST for Lowndes County, Alabama. It was in force for 48 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 9, 2000, 4:57 PM CST (22:57 UTC)
Expired
Jan 9, 2000, 5:45 PM CST
In force
48 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lowndes County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 115 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 12:00Z on 2000-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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 12:00Z on 2000-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
42 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
392 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 092258
SVRBHM
ALC085-092345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
457 PM CST SUN JAN 9 2000

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

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

* UNTIL 545 PM CST.

* AT 455 PM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM ABOUT 10
MILES WEST OF BRAGGS MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR THE MOUNT WILLING AND CALHOUN
AREAS BETWEEN 5 AND 530 PM.

THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND KEEP A WEATHER EYE ON THEH SKY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 1:18 PM CSTSevere Thunderstorm WarningBMXDallas, Perry42 min
Jan 9, 2:44 PM CSTSevere Thunderstorm WarningBMXElmore46 min
Jan 9, 2:52 PM CSTSevere Thunderstorm WarningBMXTallapoosa33 min
Jan 9, 3:02 PM CSTSevere Thunderstorm WarningBMXDallas, Lowndes48 min
Jan 9, 3:30 PM CSTSevere Thunderstorm WarningBMXMontgomery60 min
Jan 9, 3:45 PM CSTTornado WarningBMXMontgomery50 min
Jan 9, 4:14 PM CSTTornado WarningBMXBarbour, Bullock, Russell51 min
Jan 9, 4:32 PM CSTTornado WarningBMXMacon48 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.