Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 310, NWS Birmingham, AL

June 2, 1999Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 2, 1999, 5:21 PM CDT for Pickens County, Alabama. It was in force for 34 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
Jun 2, 1999, 5:21 PM CDT (22:21 UTC)
Expired
Jun 2, 1999, 5:55 PM CDT
In force
34 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Pickens County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.4 hours before the alert went out and 122 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 1999-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 560 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 1999-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
560 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
15 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 
TTAA00 KBHM 022222 RRA
SVRBHM
ALC107-022255-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
521 PM CDT WED JUN 2 1999

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

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN PICKENS COUNTY...IN WEST CENTRAL ALABAMA...

* UNTIL 555 PM CDT.

* AT 520 PM CDT... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM NEAR
ALICEVILLE MOVING SOUTHEAST AT 20 MPH.

DAMAGING WINDS...AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING ...AND STAY AWAY FROM WINDOWS!

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESjS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 12:52 PM CDTTornado WarningBMXMarshall33 min
Jun 2, 1:12 PM CDTSevere Thunderstorm WarningBMXTuscaloosa48 min
Jun 2, 1:22 PM CDTTornado WarningBMXMarshall18 min
Jun 2, 1:26 PM CDTSevere Thunderstorm WarningBMXJefferson64 min
Jun 2, 1:32 PM CDTSevere Thunderstorm WarningBMXDeKalb63 min
Jun 2, 1:49 PM CDTSevere Thunderstorm WarningBMXShelby61 min
Jun 2, 1:53 PM CDTTornado WarningBMXDeKalb32 min
Jun 2, 1:56 PM CDTSevere Thunderstorm WarningBMXCherokee49 min
Jun 2, 1:57 PM CDTSevere Thunderstorm WarningBMXTuscaloosa48 min
Jun 2, 2:02 PM CDTSevere Thunderstorm WarningBMXSt. Clair63 min
Jun 2, 2:13 PM CDTTornado WarningBMXCherokee32 min
Jun 2, 2:32 PM CDTSevere Thunderstorm WarningBMXJefferson33 min
Jun 2, 2:44 PM CDTSevere Thunderstorm WarningBMXTuscaloosa61 min
Jun 2, 3:04 PM CDTSevere Thunderstorm WarningBMXJefferson61 min
Jun 2, 3:18 PM CDTFlash Flood WarningBMXTuscaloosa3 hr
Jun 2, 3:21 PM CDTSevere Thunderstorm WarningBMXPickens64 min
Jun 2, 3:45 PM CDTSevere Thunderstorm WarningBMXTuscaloosa50 min
Jun 2, 4:33 PM CDTSevere Thunderstorm WarningBMXPickens47 min
Jun 2, 4:37 PM CDTSevere Thunderstorm WarningBMXHale48 min
Jun 2, 5:11 PM CDTSevere Thunderstorm WarningBMXPerry64 min
Jun 2, 5:36 PM CDTSevere Thunderstorm WarningBMXGreene64 min
Jun 2, 5:41 PM CDTSevere Thunderstorm WarningBMXCullman49 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1999Every severe thunderstorm warning 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.