Alert archive / Alabama / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 54, NWS Birmingham, AL

January 23, 1999Tallapoosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 23, 1999, 3:09 AM CST for Tallapoosa County, Alabama. It was in force for 31 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: Jan 23, 1999, 3:09 AM CST (09:09 UTC)
Expired: Jan 23, 1999, 3:40 AM CST
In force: 31 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 36 km from the middle of the area, began a volume at 09:12 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 23, 1:00 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.2 hours before the alert went out and 98 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 508 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 767 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 456 m²/s²
0-3 km storm-relative helicity: 644 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 12.6

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

Special weather statement, Jan 22, 9:29 PM CST, 5 hours 40 minutes before

ALZ001>003-011-230405-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
929 PM CST FRI JAN 22 1999

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES...

IN ALABAMA

   ...LAUDERDALE... COLBERT... FRANKLIN...AND MARION.

THE WATCH CONTINUES IN EFFECT FOR THE REMAINING COUNTIES UNTIL 1 AM.

Local storm report, Jan 22, 10:35 PM CST, 4 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
1035 PM CST FRI JAN 22 1999

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

1030 PM    MOULTON                   AL   FLOODING
01/22/99   LAWRENCE                       FLOODING IN DOWNTOWN
                                          MOULTON.  EMA REPORTS
                                          EVACUATIONS IN PROGRESS.

Special weather statement, Jan 22, 11:17 PM CST, 3 hours 52 minutes before

ALZ004-012>014-022-030-031-230620-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1117 PM CST FRI JAN 22 1999

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES...

IN ALABAMA

   ...LAWRENCE... LAMAR... FAYETTE... WINSTON... PICKENS... SUMTER
   ...GREENE

THE WATCH REMAINS IN EFFECT FOR THE REMAINING COUNTIES UNTIL 1 AM.

Special weather statement, Jan 23, 12:09 AM CST, 3 hours before

ALZ005-007-015-023-230630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1209 AM CST SAT JAN 23 1999

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES...

IN ALABAMA

   ...LIMESTONE... MORGAN... WALKER... TUSCALOOSA

THE LINE OF STRONG THUNDERSTORMS HAS MOVED EAST OF THESE COUNTIES.

Special weather statement, Jan 23, 3:04 AM CST, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 6:10 PM CST	Tornado Warning	BMX	Greene, Sumter	50 min
Jan 22, 6:25 PM CST	Tornado Warning	BMX	Jefferson	35 min
Jan 22, 6:27 PM CST	Tornado Warning	BMX	Blount	63 min
Jan 22, 6:46 PM CST	Severe Thunderstorm Warning	BMX	Lamar, Pickens	64 min
Jan 22, 6:46 PM CST	Severe Thunderstorm Warning	BMX	Marion	64 min
Jan 22, 7:08 PM CST	Flash Flood Warning	BMX	Colbert, Lauderdale, Lawrence	6 hr
Jan 22, 7:08 PM CST	Flash Flood Warning	BMX	Fayette, Lamar, Marion, Pickens	6 hr
Jan 22, 7:08 PM CST	Flash Flood Warning	BMX	Franklin, Winston	6 hr
Jan 22, 7:30 PM CST	Severe Thunderstorm Warning	BMX	Marshall	65 min
Jan 22, 7:58 PM CST	Severe Thunderstorm Warning	BMX	Franklin, Marion	32 min
Jan 22, 8:01 PM CST	Severe Thunderstorm Warning	BMX	Colbert	34 min
Jan 22, 8:05 PM CST	Severe Thunderstorm Warning	BMX	Lauderdale	35 min
Jan 22, 8:09 PM CST	Severe Thunderstorm Warning	BMX	Lawrence, Limestone	46 min
Jan 22, 9:05 PM CST	Flash Flood Warning	BMX	Limestone	4 hr
Jan 22, 10:18 PM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	47 min
Jan 22, 10:31 PM CST	Severe Thunderstorm Warning	BMX	Hale	34 min
Jan 22, 10:40 PM CST	Severe Thunderstorm Warning	BMX	Walker	35 min
Jan 22, 11:06 PM CST	Flash Flood Warning	BMX	Madison, Morgan	4 hr
Jan 22, 11:45 PM CST	Flash Flood Warning	BMX	Tuscaloosa	4 hr
Jan 23, 1:38 AM CST	Flash Flood Warning	BMX	Lawrence, Limestone	117 min
Jan 23, 1:38 AM CST	Flash Flood Warning	BMX	Winston	117 min
Jan 23, 2:50 AM CST	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	35 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1999 Every 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; radar from the NEXRAD Level II archive.