Alert archive / Alabama / Tornado Warnings in 1999

Tornado Warning 13, NWS Birmingham, AL

January 22, 1999Limestone County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 22, 1999, 4:28 PM CST for Limestone County, Alabama. It was in force for 47 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 22, 1999, 4:28 PM CST (22:28 UTC)
Expired: Jan 22, 1999, 5:15 PM CST
In force: 47 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Limestone County, AL

The radar

The Northeast Alabama radar (KHTX), 83 km from the middle of the area, began a volume at 22:27 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 22, 12:45 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.5 hours before the alert went out and 151 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: 50 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 331 m²/s²
0-3 km storm-relative helicity: 466 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.

999 
WFUS1 KBHM 222229 RRA
TORBHM
ALC083-222315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
428 PM CST FRI JAN 22 1999

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  LIMESTONE COUNTY... IN NORTHERN ALABAMA

* UNTIL 515 PM CST

* AT 425 PM CST... A TORNADO WAS DETECTED...BY NATIONAL WEATHER
  SERVICE DOPPLER RADAR...OVER WESTERN MORGAN COUNTY JUST WEST OF
DECATUR.

* TORNADO WAS MOVING NORTHEAST AT 50 MPH...AND WILL MOVE INTO
LIMESTONE COUNTY BETWEEN 435 AND 445 PM.  THE STORM WILL MOVE NEAR
THE OAKLAND AND BELLE MINA AREAS BETWEEN 435 AND 500 PM.

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 1:12 PM CST	Tornado Warning	BMX	Colbert, Lauderdale	48 min
Jan 22, 2:04 PM CST	Severe Thunderstorm Warning	BMX	Lamar, Pickens	61 min
Jan 22, 2:37 PM CST	Severe Thunderstorm Warning	BMX	Marion	63 min
Jan 22, 2:45 PM CST	Severe Thunderstorm Warning	BMX	Fayette	60 min
Jan 22, 2:51 PM CST	Tornado Warning	BMX	Fayette, Lamar	49 min
Jan 22, 2:55 PM CST	Tornado Warning	BMX	Franklin, Marion	65 min
Jan 22, 3:11 PM CST	Severe Thunderstorm Warning	BMX	Sumter	49 min
Jan 22, 3:15 PM CST	Tornado Warning	BMX	Walker	50 min
Jan 22, 3:21 PM CST	Tornado Warning	BMX	Colbert	49 min
Jan 22, 3:26 PM CST	Tornado Warning	BMX	Lauderdale	49 min
Jan 22, 3:29 PM CST	Severe Thunderstorm Warning	BMX	Pickens	61 min
Jan 22, 3:32 PM CST	Tornado Warning	BMX	Winston	48 min
Jan 22, 4:06 PM CST	Tornado Warning	BMX	Pickens	49 min
Jan 22, 4:06 PM CST	Tornado Warning	BMX	Lawrence	64 min
Jan 22, 4:14 PM CST	Flash Flood Warning	BMX	Winston	3 hr
Jan 22, 4:15 PM CST	Tornado Warning	BMX	Winston	45 min
Jan 22, 4:17 PM CST	Tornado Warning	BMX	Morgan	48 min
Jan 22, 4:24 PM CST	Tornado Warning	BMX	Fayette	66 min
Jan 22, 4:49 PM CST	Tornado Warning	BMX	Marion, Walker	36 min
Jan 22, 4:51 PM CST	Tornado Warning	BMX	Winston	49 min
Jan 22, 4:58 PM CST	Tornado Warning	BMX	Morgan	47 min
Jan 22, 5:03 PM CST	Tornado Warning	BMX	Limestone	32 min
Jan 22, 5:03 PM CST	Tornado Warning	BMX	Madison	62 min
Jan 22, 5:05 PM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	65 min
Jan 22, 5:20 PM CST	Tornado Warning	BMX	Tuscaloosa	35 min
Jan 22, 5:23 PM CST	Tornado Warning	BMX	Lawrence	47 min
Jan 22, 5:23 PM CST	Tornado Warning	BMX	Jefferson	62 min
Jan 22, 5:27 PM CST	Tornado Warning	BMX	Colbert, Lauderdale	48 min
Jan 22, 5:55 PM CST	Tornado Warning	BMX	Limestone, Morgan	65 min

Nearby

Tornado Warnings in Alabama, 1999 Every tornado warning in 1999 Tornadoes 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.