Alert archive / Alabama / Tornado Warnings in 1990

Tornado Warning 13, NWS Mobile, AL

June 1, 1990Monroe County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 1, 1990, 4:00 PM CDT for Monroe County, Alabama. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1990, 4:00 PM CDT (21:00 UTC)
Expired
Jun 1, 1990, 4:30 PM CDT
In force
30 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Monroe County, AL

The radar

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

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.0 hours before the alert went out and 149 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 12:00Z on 1990-06-01Temperature 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, Centreville/Bibb, AL at 12:00Z on 1990-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939Sfc1 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
NaN m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
150 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.

000 
TTAA00 KMOB 012101
TORMOB
ALC099-012130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
400 PM CDT FRI JUN 1 1990
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ALABAMA
 
   ...MONROE COUNTY
 
AT 350 PM PERSONS IN EXCEL AND MEXI REPORTED SEEING FUNNEL CLOUDS IN
MONROE COUNTY ALABAMA...JUST SOUTHWEST OF MONROEVILLE. THE ALABAMA
HIGHWAY PATROL AT EVERGREEN ALABAMA RELAYED A REPORT OF A BUNCH OF
TREES DOWN IN MONROE COUNTY.
 
MOBILE RADAR INDICATED A STRONG THUNDERSTORM MOVING NORTHEAST ACROSS
MONROEVILLE AT 355 PM.
 
PERSONS IN MONROEVILLE SHOULD SEEK SAFE SHELTER UNTIL THIS DANGEROUS
STORM PASSES.
 
 
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.

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; the sounding from the Mesonet's radiosonde archive.