Alert archive / Mississippi / Tornado Warnings in 1989

Tornado Warning 54, NWS Jackson, MS

April 4, 1989Yazoo County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 4, 1989, 10:21 AM CDT for Yazoo County, Mississippi. It was in force for 39 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
Apr 4, 1989, 10:21 AM CDT (15:21 UTC)
Expired
Apr 4, 1989, 11:00 AM CDT
In force
39 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.

What was reported inside it

TimeReportWhereRemark
Apr 4, 10:30 AM CDTThunderstorm Wind 0Yazoo, MS

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

Jackson, MS (KJAN), launched 12:00Z, 3.4 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 12:00Z on 1989-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2069 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1989-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
2069 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
2.2
Supercell composite
11.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Apr 4, 7:02 AM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
 655 AM CDT TUE APR 4 1989

 SEVERE THUNDERSTORM WATCH NUMBER 86 WHICH INCLUDES SUMTER COUNTY
IN EXTREME WEST CENTRAL ALABAMA IN EFFECT UNTIL 1100 AM CDT.

SEVERE THUNDERSTORM WATCH NUMBER 87 WHICH INCLUDES LAUDERDALE...
NEWTON...NESHOBA...KEMPER...WINSTON...NOXUBEE COUNTIES IN EFFECT
UNTIL NOON CDT.

SEVERE THUNDERSTORM WARNINGS FOR KEMPER AND WINSTON COUNTIES HAVE
EXPIRED AND ARE NO LONGER IN EFFECT.

AT 655 AM CDT MERIDIAN WEATHER RADAR INDICATED AN AREA OF RAIN WITH
A FEW VERY STRONG THUNDERSTORMS ALONG AND NORTH OF A LINE FROM
VICKSBURG TO 25 MILES SOUTH OF COLUMBUS MISSISSIPPI TO TUSCALOOSA
ALABAMA. THE VERY STRONG THUNDERSTORMS CONTAIN VERY HEAVY RAINS
AND ARE MOVING NORTHEAST AT 40 MPH. <<
Special weather statement, Apr 4, 7:04 AM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
700 AM CDT TUE APR 4 1989

...SEVERE THUNDERSTORM WATCH NUMBER 87 IS IN EFFECT FOR A LARGE PART OF
CENTRAL MISSISSIPPI UNTIL NOON...

AT 655 AM...JACKSON RADAR WAS CONTINUING TO SHOW NUMEROUS THUNDERSTORMS
ACROSS CENTRAL MISSISSIPPI.  THE STRONGEST THUNDERSTORMS WERE BETWEEN
GREENVILLE AND ITTA BENA AND BETWEEN PICKENS AND ACKERMAN.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...ALONG
WITH HAIL AND LOCALLY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH.
Special weather statement, Apr 4, 8:39 AM CDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
835 AM CDT TUE APR 4 1989

...SEVERE THUNDERSTORM WATCH NUMBER 87 IS IN EFFECT FOR A LARGE PART OF
CENTRAL MISSISSIPPI UNTIL NOON...

AT 830 AM...INTENSE THUNDERSTORMS EXTENDED FROM NEAR CARROLLOTON TO SOUTH
OF GREENVILLE. ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR ROLLING FORK.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...ALONG
WITH bHAIL AND LOCALLY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH.

NUMEROUS OTHER SHOWERS AND THUNDERSTORMS COVER MUCH OF THE CENTRAL
MISSISSIPPI NORTH OF A VICKSBURG TO COLUMBUS LINE. THE AREA IS MOVING
EAST AT 40 MPH.
Special weather statement, Apr 4, 9:08 AM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
 905 AM CDT TUE APR 4 1989

 SEVERE THUNDERSTORM WATCH NUMBER 86 REMAINS IN EFFECT UNTIL 1100 AM
CDT.

SEVERE THUNDERSTORM WATCH NUMBER 87 REMAINS IN EFFECT UNTIL NOON CDT.

AT 900 AM CDT MERIDIAN WEATHER RADAR SHOWED A LARGE AREA OF RAIN AND
THUNDERSTORMS ALONG AND NORTH OF A LINE FROM VICKSBURG TO ACKERMAN
MISSISSIPPI TO BIRMINGHAM ALABAMA. AN INTENSE THUNDERSTORM WAS LOCATED
5 MILES WEST OF ACKERMAN MISSISSIPPI. THIS THUNDERSTORM WAS MOVING EAST
AT 40 MPH. THE AREA OF RAIN WAS MOVING NORTHEAST AT 25 MPH.

IF YOU LIVE IN WINSTON COUNTY YOU SHOULD REMAIN WEATHER ALERT AND
BE PREPARED TO TAKE IMMEDIATE ACTION IF A WARNING IS ISSUED.
Special weather statement, Apr 4, 10:15 AM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1015 AM CDT TUE APR 4 1989

AT 1012 AM...A THUNDERSTORMS HAS INTENSFIED RAPIDLY IN SOUTHERN
HUMPHREYS COUNTY. THIS STORM IS MOVING EAST AT9 60 MPH AND WILL BE
MOVING ACROSS NORTHERN YAZOO COUNTY DURING THE NEXT 15 TO 30
MINUTES.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING STRONG GUSTY WINDS...ALONG
WITH HAIL AND LOCALLY HEAVY RAIN.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 5:15 AM CDTSevere Thunderstorm WarningJANKemper45 min
Apr 4, 5:47 AM CDTSevere Thunderstorm WarningJANWinston43 min
Apr 4, 7:17 AM CDTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington28 min
Apr 4, 7:51 AM CDTSevere Thunderstorm WarningJANCarroll, Leflore54 min
Apr 4, 8:20 AM CDTTornado WarningJANCarroll25 min
Apr 4, 8:31 AM CDTSevere Thunderstorm WarningJANSharkey29 min
Apr 4, 8:39 AM CDTSevere Thunderstorm WarningJANMontgomery36 min
Apr 4, 8:54 AM CDTTornado WarningJANMontgomery26 min
Apr 4, 8:54 AM CDTTornado WarningJANChoctaw36 min
Apr 4, 11:06 AM CDTSevere Thunderstorm WarningJANHolmes29 min
Apr 4, 11:32 AM CDTSevere Thunderstorm WarningJANAttala, Madison28 min
Apr 4, 12:03 PM CDTSevere Thunderstorm WarningJANMadison27 min
Apr 4, 12:42 PM CDTSevere Thunderstorm WarningJANLeake18 min
Apr 4, 1:19 PM CDTSevere Thunderstorm WarningJANNeshoba41 min
Apr 4, 1:49 PM CDTSevere Thunderstorm WarningJANNeshoba, Newton41 min
Apr 4, 2:03 PM CDTTornado WarningJANLauderdale, Newton42 min
Apr 4, 2:15 PM CDTSevere Thunderstorm WarningJANClarke45 min
Apr 4, 2:36 PM CDTSevere Thunderstorm WarningJANJones39 min
Apr 4, 2:47 PM CDTSevere Thunderstorm WarningJANClarke, Wayne43 min
Apr 4, 3:17 PM CDTSevere Thunderstorm WarningJANJones28 min
Apr 4, 3:45 PM CDTSevere Thunderstorm WarningJANJones30 min
Apr 4, 4:28 PM CDTSevere Thunderstorm WarningJANWayne32 min
Apr 4, 5:34 PM CDTSevere Thunderstorm WarningJANAmite26 min
Apr 4, 5:48 PM CDTSevere Thunderstorm WarningJANClarke, Wayne42 min
Apr 4, 1:37 PM CDTSevere Thunderstorm WarningJANSumter38 min
Apr 4, 2:28 PM CDTSevere Thunderstorm WarningJANChoctaw47 min
Apr 4, 3:14 PM CDTSevere Thunderstorm WarningJANChoctaw31 min
Apr 4, 3:50 PM CDTSevere Thunderstorm WarningJANChoctaw25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.