Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 191, NWS Birmingham, AL

March 30, 2000Shelby County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 30, 2000, 3:21 AM CST for Shelby County, Alabama. It was in force for 24 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
Mar 30, 2000, 3:21 AM CST (09:21 UTC)
Expired
Mar 30, 2000, 3:45 AM CST
In force
24 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Shelby County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.4 hours before the alert went out and 14 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 2000-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1528 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
342 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

632 
WUUS54 KBMX 300921
SVRBHM
ALC117-300945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
321 AM CST THU MAR 30 2000

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

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

* UNTIL 345 AM CST.

* AT 321 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 2 MILES NORTH OF
  LAKE PURDY TO CHELSEA...MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  VINCENT...MEADOWBROOK...LAKE PURDY...INVERNESS...HARPERSVILLE AND
  CHELSEA.

STRONG DAMAGING WIND...LARGE HAIL...AND VERY HEAVY RAIN ARE LIKELY
WITH THIS STORM. TAKE COVER IN A STURDY SHELTER UNTIL THE STORM
PASSES.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 9:21 PM CSTSevere Thunderstorm WarningBMXPerry24 min
Mar 29, 11:20 PM CSTSevere Thunderstorm WarningBMXPike40 min
Mar 30, 12:17 AM CSTSevere Thunderstorm WarningBMXBarbour, Pike58 min
Mar 30, 12:36 AM CSTSevere Thunderstorm WarningBMXRussell24 min
Mar 30, 1:27 AM CSTSevere Thunderstorm WarningBMXElmore33 min
Mar 30, 1:38 AM CSTSevere Thunderstorm WarningBMXTallapoosa37 min
Mar 30, 2:02 AM CSTSevere Thunderstorm WarningBMXLee28 min
Mar 30, 2:44 AM CSTSevere Thunderstorm WarningBMXJefferson46 min
Mar 30, 5:12 AM CSTSevere Thunderstorm WarningBMXMontgomery33 min
Mar 30, 5:34 AM CSTTornado WarningBMXMontgomery26 min
Mar 30, 5:49 AM CSTTornado WarningBMXBullock26 min
Mar 30, 6:18 AM CSTSevere Thunderstorm WarningBMXBullock, Macon27 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.