Alert archive / Mississippi / Tornado Warnings in 1987

Tornado Warning 4, NWS Mobile, AL

April 14, 1987Lamar County, Mississippi

NWS Mobile, AL issued this tornado warning at Apr 14, 1987, 2:17 AM CDT for Lamar County, Mississippi. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Apr 14, 1987, 2:17 AM CDT (07:17 UTC)
Expired
Apr 14, 1987, 2:45 AM CDT
In force
28 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Lamar County, MS

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

Jackson, MS (KJAN), launched 00:00Z, 7.3 hours before the alert went out and 135 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, Jackson, MS at 00:00Z on 1987-04-14Temperature 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, Jackson, MS at 00:00Z on 1987-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.193958Sfc1 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
799 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
544 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 140717 RRA
TORMOB
MSC073-140745-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
217 AM CDT TUE APR 14 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  245 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST MISSISSIPPI
          ...LAMAR
 
AT 215 AM A POSSIBLE TORNADO WAS INDICATED BY RADAR 8 MILES SOUTHWEST
OF SUMRALL MISSISSIPPI MOVING TOWARD THE NORTHEAST AT 40 MPH.  THE
STORM IS EXPECTED TO PASS VERY NEAR SUMRALL.
 
 
 
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
SHUCH 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.

IssuedProductOfficeCountiesLasted
Apr 14, 2:30 AM CDTSevere Thunderstorm WarningMOBPearl River45 min

Nearby

Tornado Warnings in Mississippi, 1987Every tornado warning in 1987Tornadoes in 1987

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.