Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 371, NWS Birmingham, AL

July 26, 2000St. Clair County, Shelby County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 26, 2000, 4:45 PM CDT for St. Clair County, Shelby County, Alabama. It was in force for 45 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
Jul 26, 2000, 4:45 PM CDT (21:45 UTC)
Expired
Jul 26, 2000, 5:30 PM CDT
In force
45 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Shelby County, AL, St. Clair County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.8 hours before the alert went out and 44 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 2000-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 639 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 2000-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
639 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
76 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.

000 
WUUS54 KBMX 262146
SVRBHM
ALC115-117-262230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
445 PM CDT WED JUL 26 2000

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

* SEVERE THUNDERSTORM WARNING FOR...
  SHELBY COUNTY IN ALABAMA...
  ST. CLAIR COUNTY IN ALABAMA...

* UNTIL 530 PM CDT.

* AT 445 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES NORTHWEST
  OF HELENA TO 6 MILES SOUTHWEST OF MOODY TO 10 MILES NORTH OF PELL
  CITY...MOVING SOUTHEAST AT 5 MPH.

* THESE STORMS WILL AFFECT MOST LOCATIONS IN ST. CLAIR AND NORTHERN 
SHELBY COUNTIES.

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
Jul 26, 4:07 PM CDTSevere Thunderstorm WarningBMXFayette23 min
Jul 26, 4:30 PM CDTSevere Thunderstorm WarningBMXJefferson45 min
Jul 26, 4:53 PM CDTSevere Thunderstorm WarningBMXCullman37 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.