Alert archive / Mississippi / Tornado Warnings in 1989

Tornado Warning 57, NWS Jackson, MS

May 5, 1989Yazoo County, Mississippi

NWS Jackson, MS issued this tornado warning at May 5, 1989, 4:45 AM CDT for Yazoo County, Mississippi. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
May 5, 1989, 4:45 AM CDT (09:45 UTC)
Expired
May 5, 1989, 5:15 AM CDT
In force
30 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Yazoo 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, 9.8 hours before the alert went out and 59 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 1989-05-05Temperature 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 1989-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
901 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 050948
TORJAN
MSC163-051015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
445 AM CDT FRI MAY 5 1989
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  515 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL MISSISSIPPI
          ...YAZOO
 
A POSSIBLE TORNADO WAS INDICATED BY RADAR 10 MILES SOUTH OF YAZOO CITY
AT 440 AM CDT. THE STORM WAS MOVING TO THE NORTHEAST AT [20 MPH.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN
INTERIOR ROOM ON THE LOWEST FLOOR.  GET UNDER STURDY FURNITURE.
USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD.
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What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 5, 4:36 AM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
426 AM CDT FRI MAY 5 1989

...TORNADO WATCH 181 IS IN EFFECT UNTIL 10 AM CDT...

NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED TO SPREAD
OVER MOST OF MISSISSIPPI EXCEPT FOR THE SOUTHEAST PORTION OF THE STATE.

THE HEAVIER RAINFALL WAS INDICATED BETWEEN VICKSBURG AND HOLLY BLUFF
IN MISSISSIPPI AND BETWEEN DELHI AND DARNELL IN NORTHEAST LOUISIUANA.

MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 5:07 AM CDTTornado WarningJANHinds, Madison28 min
May 5, 5:13 AM CDTSevere Thunderstorm WarningJANAmite, Pike32 min

Nearby

Tornado Warnings in Mississippi, 1989Every tornado warning in 1989Tornadoes in 1989

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.