Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 40, NWS Birmingham, AL

January 22, 1999Sumter County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 22, 1999, 3:11 PM CST for Sumter County, Alabama. It was in force for 49 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
Jan 22, 1999, 3:11 PM CST (21:11 UTC)
Expired
Jan 22, 1999, 4:00 PM CST
In force
49 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Sumter County, AL

What was reported inside it

TimeReportWhereRemark
Jan 22, 3:25 PM CSTThunderstorm Wind 55Warsaw, ALThree large trees were blown down and blocked CR 34 near Warsaw.

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
Jan 22, 12:45 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.2 hours before the alert went out and 148 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 1999-01-22Temperature 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 12:00Z on 1999-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.1939587897Sfc1 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
605 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jan 22, 2:39 PM CST, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
339 PM CDT FRI JAN 22 1999

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

0330 PM                              AL   .88 INCH HAIL
01/22/99   PICKENS                        NICKEL SIZED HAIL IN
                                          MCSHAN COMMUNITY...5 MILES
                                          SE OF ETHELSVILLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 1:12 PM CSTTornado WarningBMXColbert, Lauderdale48 min
Jan 22, 2:04 PM CSTSevere Thunderstorm WarningBMXLamar, Pickens61 min
Jan 22, 2:37 PM CSTSevere Thunderstorm WarningBMXMarion63 min
Jan 22, 2:45 PM CSTSevere Thunderstorm WarningBMXFayette60 min
Jan 22, 2:51 PM CSTTornado WarningBMXFayette, Lamar49 min
Jan 22, 2:55 PM CSTTornado WarningBMXFranklin, Marion65 min
Jan 22, 3:15 PM CSTTornado WarningBMXWalker50 min
Jan 22, 3:21 PM CSTTornado WarningBMXColbert49 min
Jan 22, 3:26 PM CSTTornado WarningBMXLauderdale49 min
Jan 22, 3:29 PM CSTSevere Thunderstorm WarningBMXPickens61 min
Jan 22, 3:32 PM CSTTornado WarningBMXWinston48 min
Jan 22, 4:06 PM CSTTornado WarningBMXPickens49 min
Jan 22, 4:06 PM CSTTornado WarningBMXLawrence64 min
Jan 22, 4:14 PM CSTFlash Flood WarningBMXWinston3 hr
Jan 22, 4:15 PM CSTTornado WarningBMXWinston45 min
Jan 22, 4:17 PM CSTTornado WarningBMXMorgan48 min
Jan 22, 4:24 PM CSTTornado WarningBMXFayette66 min
Jan 22, 4:28 PM CSTTornado WarningBMXLimestone47 min
Jan 22, 4:49 PM CSTTornado WarningBMXMarion, Walker36 min
Jan 22, 4:51 PM CSTTornado WarningBMXWinston49 min
Jan 22, 4:58 PM CSTTornado WarningBMXMorgan47 min
Jan 22, 5:03 PM CSTTornado WarningBMXLimestone32 min
Jan 22, 5:03 PM CSTTornado WarningBMXMadison62 min
Jan 22, 5:05 PM CSTSevere Thunderstorm WarningBMXTuscaloosa65 min
Jan 22, 5:20 PM CSTTornado WarningBMXTuscaloosa35 min
Jan 22, 5:23 PM CSTTornado WarningBMXLawrence47 min
Jan 22, 5:23 PM CSTTornado WarningBMXJefferson62 min
Jan 22, 5:27 PM CSTTornado WarningBMXColbert, Lauderdale48 min
Jan 22, 5:55 PM CSTTornado WarningBMXLimestone, Morgan65 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.