Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 337, NWS Birmingham, AL

June 4, 1999Cleburne County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 4, 1999, 3:10 PM CDT for Cleburne County, Alabama. It was in force for 20 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 4, 1999, 3:10 PM CDT (20:10 UTC)
Expired
Jun 4, 1999, 3:30 PM CDT
In force
20 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Cleburne County, AL

The radar

The Atlanta radar (KFFC), 95 km from the middle of the area, began a volume at 20:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 4, 3:10 PM CDTHail 1Union Hill, ALQuarter size hail fell near Union Hill about one mile north northeast of Hightower.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 4, 12:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.2 hours before the alert went out and 100 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, Peachtre/Fal Fld, GA at 12:00Z on 1999-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 495 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, Peachtre/Fal Fld, GA at 12:00Z on 1999-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 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
495 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1103 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 4, 1:53 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
153 PM CDT FRI JUN 04 1999

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0141 PM  0  CLEVELAND                 AL   1 INCH HAIL
06/04/99   BLOUNT                         REPORT FROM THE EMA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 1:03 PM CDTSevere Thunderstorm WarningBMXJackson, Madison47 min
Jun 4, 1:23 PM CDTSevere Thunderstorm WarningBMXBlount32 min
Jun 4, 2:08 PM CDTSevere Thunderstorm WarningBMXDeKalb32 min
Jun 4, 2:09 PM CDTSevere Thunderstorm WarningBMXSt. Clair31 min
Jun 4, 2:21 PM CDTSevere Thunderstorm WarningBMXBlount34 min
Jun 4, 2:26 PM CDTSevere Thunderstorm WarningBMXCullman, Winston34 min
Jun 4, 2:37 PM CDTSevere Thunderstorm WarningBMXCleburne33 min
Jun 4, 2:49 PM CDTSevere Thunderstorm WarningBMXChilton36 min
Jun 4, 2:54 PM CDTSevere Thunderstorm WarningBMXDeKalb46 min
Jun 4, 2:55 PM CDTSevere Thunderstorm WarningBMXRandolph50 min
Jun 4, 3:06 PM CDTSevere Thunderstorm WarningBMXJackson34 min
Jun 4, 3:17 PM CDTSevere Thunderstorm WarningBMXCalhoun, St. Clair48 min
Jun 4, 3:24 PM CDTSevere Thunderstorm WarningBMXChilton51 min
Jun 4, 3:26 PM CDTSevere Thunderstorm WarningBMXClay, Talladega49 min
Jun 4, 3:39 PM CDTSevere Thunderstorm WarningBMXCleburne46 min
Jun 4, 3:43 PM CDTSevere Thunderstorm WarningBMXRandolph47 min
Jun 4, 3:45 PM CDTSevere Thunderstorm WarningBMXLowndes50 min
Jun 4, 4:02 PM CDTSevere Thunderstorm WarningBMXCalhoun48 min
Jun 4, 4:12 PM CDTSevere Thunderstorm WarningBMXClay48 min
Jun 4, 4:13 PM CDTSevere Thunderstorm WarningBMXChambers47 min
Jun 4, 4:18 PM CDTFlash Flood WarningBMXCalhoun, Cleburne2 hr
Jun 4, 4:19 PM CDTSevere Thunderstorm WarningBMXChilton36 min
Jun 4, 4:24 PM CDTSevere Thunderstorm WarningBMXLee51 min
Jun 4, 5:00 PM CDTSevere Thunderstorm WarningBMXMacon, Russell50 min
Jun 4, 5:09 PM CDTSevere Thunderstorm WarningBMXChilton, Coosa51 min
Jun 4, 5:14 PM CDTSevere Thunderstorm WarningBMXLowndes51 min
Jun 4, 5:30 PM CDTSevere Thunderstorm WarningBMXBullock50 min
Jun 4, 6:01 PM CDTSevere Thunderstorm WarningBMXCoosa, Elmore49 min
Jun 4, 6:05 PM CDTSevere Thunderstorm WarningBMXLowndes65 min
Jun 4, 6:26 PM CDTSevere Thunderstorm WarningBMXDallas64 min
Jun 4, 6:09 PM CDTSevere Thunderstorm WarningBMXChattahoochee, Muscogee51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.