Alert archive / Alabama / Tornado Warnings in 1990

Tornado Warning 2, NWS Mobile, AL

February 10, 1990Montgomery County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 10, 1990, 3:20 AM CST for Montgomery County, Alabama. It was in force for 25 min. 2 reports 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 10, 1990, 3:20 AM CST (09:20 UTC)
Expired
Feb 10, 1990, 3:45 AM CST
In force
25 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Montgomery 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

TimeReportWhereRemark
Feb 10, 3:22 AM CSTThunderstorm Wind 66Montgomery, AL
Feb 10, 3:50 AM CSTThunderstorm Wind 0Montgomery, 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 00:00Z, 9.3 hours before the alert went out and 120 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, Centreville/Bibb, AL at 00:00Z on 1990-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 897 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 00:00Z on 1990-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.19395878Sfc1 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
897 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
340 m²/s²
Significant tornado parameter
1.5
Supercell composite
7.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 100923
TORMGM
ALC101-100945-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
320 AM CST SAT FEB 10 1990
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  345 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...MONTGOMERY
 
A POSSIBLE TORNADO WAS JUST WEST OF DANNELLY FIELD MOVING TOWARD THE
EAST AT 50 MPH. TAKE COVER IMMEDIATELY.
 
 
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 CU
SHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 1:27 AM CSTSevere Thunderstorm WarningMOBCoffee, Dale48 min
Feb 10, 1:47 AM CSTSevere Thunderstorm WarningMOBWashington58 min
Feb 10, 2:07 AM CSTSevere Thunderstorm WarningMOBClarke68 min
Feb 10, 2:15 AM CSTSevere Thunderstorm WarningMOBDallas, Wilcox60 min
Feb 10, 2:44 AM CSTSevere Thunderstorm WarningMOBMobile, Washington46 min
Feb 10, 2:53 AM CSTSevere Thunderstorm WarningMOBAutauga, Lowndes67 min
Feb 10, 3:05 AM CSTSevere Thunderstorm WarningMOBCoosa, Elmore55 min
Feb 10, 3:05 AM CSTSevere Thunderstorm WarningMOBMontgomery55 min
Feb 10, 3:05 AM CSTSevere Thunderstorm WarningMOBButler55 min
Feb 10, 3:27 AM CSTSevere Thunderstorm WarningMOBMobile63 min
Feb 10, 3:27 AM CSTSevere Thunderstorm WarningMOBBaldwin63 min
Feb 10, 3:31 AM CSTSevere Thunderstorm WarningMOBMacon, Tallapoosa59 min
Feb 10, 3:49 AM CSTSevere Thunderstorm WarningMOBChambers, Lee56 min
Feb 10, 3:49 AM CSTSevere Thunderstorm WarningMOBCrenshaw56 min
Feb 10, 3:49 AM CSTSevere Thunderstorm WarningMOBBullock56 min
Feb 10, 3:55 AM CSTSevere Thunderstorm WarningMOBConecuh, Escambia50 min
Feb 10, 4:11 AM CSTSevere Thunderstorm WarningMOBButler, Covington64 min
Feb 10, 4:53 AM CSTSevere Thunderstorm WarningMOBBarbour67 min
Feb 10, 5:08 AM CSTSevere Thunderstorm WarningMOBCoffee, Dale, Geneva67 min
Feb 10, 6:46 AM CSTSevere Thunderstorm WarningMOBMobile44 min
Feb 10, 8:07 AM CSTSevere Thunderstorm WarningMOBBaldwin38 min

Nearby

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