Alert archive / Alabama / Tornado Warnings in 1990

Tornado Warning 5, NWS Mobile, AL

February 22, 1990Chambers County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 22, 1990, 8:07 AM CST for Chambers County, Alabama. It was in force for 68 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: Feb 22, 1990, 8:07 AM CST (14:07 UTC)
Expired: Feb 22, 1990, 9:15 AM CST
In force: 68 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Chambers County, AL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Feb 22, 8:30 AM CST	Thunderstorm Wind 0	Chambers, AL

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 2.1 hours before the alert went out and 169 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: 52 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 265 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMGM 221410
TORMGM
ALC017-221515-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
807 AM CST THU FEB 22 1990
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...CHAMBERS
 
WEATHER RADAR AT MONTGOMERY SHOWED A SEVERE THUNDERSTORM WITH A
POSSIBLE TORNADO JUST NORTH OF AUBURN MOVING TOWARD THE NORTHEAST AT
40 MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 2:37 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	53 min
Feb 22, 6:14 AM CST	Severe Thunderstorm Warning	MOB	Coffee, Dale	61 min
Feb 22, 6:14 AM CST	Severe Thunderstorm Warning	MOB	Houston	61 min
Feb 22, 7:07 AM CST	Severe Thunderstorm Warning	MOB	Henry, Houston	68 min
Feb 22, 7:07 AM CST	Severe Thunderstorm Warning	MOB	Barbour	68 min
Feb 22, 7:25 AM CST	Severe Thunderstorm Warning	MOB	Macon	65 min
Feb 22, 7:44 AM CST	Severe Thunderstorm Warning	MOB	Lee	61 min

Nearby

Tornado Warnings in Alabama, 1990 Every tornado warning in 1990 Tornadoes in 1990

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.