Alert archive / Mississippi / Tornado Warnings in 1989

Tornado Warning 50, NWS Jackson, MS

March 29, 1989Jefferson County, Mississippi

NWS Jackson, MS issued this tornado warning at Mar 29, 1989, 7:39 PM CST for Jefferson County, Mississippi. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Mar 29, 1989, 7:39 PM CST (01:39 UTC)
Expired
Mar 29, 1989, 8:15 PM CST
In force
36 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Jefferson 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.7 hours before the alert went out and 208 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, Slidell Radar S, LA at 00:00Z on 1989-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Slidell Radar S, LA at 00:00Z on 1989-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
1040 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 300140
TORJAN
MSC063-300215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
739 PM CST WED MAR 29 1989
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  815 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST MISSISSIPPI
          ...JEFFERSON
 
AT 737 PM...JACKSON RADAR INDICATED AN INTENSE THUNDERSTORM THAT MAY
CONTAIN A TORNADO ABOUT 10 MILES WEST-SOUTHWEST OF FAYETTE. THE STORM
IS MOVING EAST AT 35 MPH AND IS EXPECTED TO PASS NEAR OR A LITTLE
SOUTH OF FAYETTE.
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  IF YOU ARE IN THE
PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF
NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
<

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

Local storm report, Mar 29, 5:24 PM CST, 2 hours 15 minutes before
LOCAL STORM REPORT...ATTN SELS
NATIONAL WEATHER SERVICE JACKSON MS
520 PM CST WED MAR 29 1989

SEVERE WEATHER REPORTS FROM THIS MORNING...

AT AROUND 730 AM...AN INTENSE THUNDERSTORM MOVED THROUGH VICKSBURG
(WARREN COUNTY). WIND DAMAMGE OCCURRED WITH THIS STORM FROM NEAR THE
MISSISSIPPI RIVER JUST SOUTH OF DOWNTOWN VICKSBURG AND TRAVELED EAST-
NORTHEAST THROUGH TOWN. A SURVEY BY THE NATIONAL WEATHER SERVICE AND THE
WARREN COUNTY CIVIL DEFENSE OFFICE REVEALED THAT THE DAMAGE WAS CAUSED BY
A SERIES OF MICROBURSTS FROM THE THUNDERSTORM. A MICROBURST IS A STRONG
WIND THAT DESCENDS FROM THE STORM...AND THEN SPREAD OUT AND WEAKENS.

ABOUT 20 HOMES IN VICKSBURG SUFFERED WIND DAMAGE...MOSTLY FROM FALLEN
TREES. AT A HOSPITAL...14 CARS RECEIVED WINDOW DAMAGE...WHILE ANOTHER 3
CARS WERE BLOWN OVER AND TOTALLED. NUMEROUS SIGNS WERE BLOWN DOWN ACROSS
TOWN. WINDOW PANES AND ROOF DAMAGED OCCURRED AT SEVERAL BUSINESSES. AN
AWNING OVER A SIDEWALK AT A SCHOOL WAS HEAVILY DAMAGED. ESTIMATES OF
WINDSPEEDS RANGED FROM 70 TO 100 MPH.         <
<
AT 900 AM...ANOTHER MICROBURST PRODUCED WIND DAMAGE IN A SMALL AREA
ABOUT 3 MILES SOUTHEAST OF FLORA IN MADISON COUNTY. ONE MOBILE HOME WAS
DESTROYED...2 HOMES SUFFERED MINOR DAMAGE...AND 2 BUSINESS RECEIVED MAJOR
DAMAGE. REPORT FROM THE MADISON COUNTY CIVIL DEFENSE.
Special weather statement, Mar 29, 5:40 PM CST, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
530 PM CST TUE MAR 21 1989

         ...SEVERE WEATHER STILL POSSIBLE TONIGHT...

AN AREA OF RAIN AND THUNDERSTORMS SPREAD ACROSS MISSISSIPPI TODAY AND
IS NOW CONFINED TO THE EASTERN PORTIONS OF MISSISSIPPI. THIS RAIN HAS
SIGNIFICANTLY COOLED AND ALSO STABILIZED THE AIRMASS ACROSS MOST OF
MISSISSIPPI. STRONG THUNDERSTORMS STILL CONTINUE ACROSS SOUTHEAST
MISSISSIPPI AND SOME OF THESE COULD BE SEVERE THIS EVENING.

A STRONG UPPER LEVEL LOW OVER NORTHEAST TEXAS IS MOVING EASTWARD
TOWARD MISSISSIPPI. THIS SYSTEM HAS CAUSED STRONG THUNDERSTORMS TO
REDEVELOP IN EASTERN LOUISIANA.

THE THUNDERSTORMS WILL CONTINUE TO MOVE EASTWARD...BUT MUCH OF THE
MOISTURE HAS SHIFTED EASTWARD WITH THE FIRST RAIN AREA. THUS...THIS
BIG STORM SYSTEM WILL HAVE LESS MOISTURE TO WORK WITH AND THE
ATMOSPHERE IS NOT AS WELL SUITED FOR SEVERE WEATHER AS IT WAS THIS
MORNING.

ALTHOUGH SEVERE WEATHER IS STILL POSSIBLE TONIGHT...IT APPEARS THE
THREAT HAS LESSENED SOMEWHAT. THE GREATEST THREAT OF SEVERE WEATHER
WILL BE ACROSS THE WEST CENTRAL AND SOUTHWEST SECTIONS THIS EVENING
WHERE HEATING WAS ABLE TO TAKE PLACE.

THIS IS A STRONG STORM #SYSTEM AND THUNDERSTORMS WILL BE MONITORED
CLOSELY TONIGHT AS THEY DEVELOP AND MOVE EASTWARD INTO THE STATE.
Special weather statement, Mar 29, 6:11 PM CST, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
610 PM CST WED MAR 29 1989

      ...STRONG THUNDERSTORMS HEADED FOR SOUTHWEST MISSISSIPPI...

AT 605 PM...A SCATTERED LINE OF STRONG THUNDERSTORMS WAS LOCATED IN
EASTERN LOUISIANA FROM ABOUT 25 MILES WEST OF PORT GIBSON TO NORTHEAST
OF ALEXANDRIA LOUISIANA. THESE STORMS ARE MOVING AND DEVELOPING EAST-
SOUTHEAST AT 25 MPH. THE ATMOSPHERIC CONDITIONS ARE MOST SUITED AT THIS
TIME FBOR STRONG TO POSSIBLY SEVERE THUNDERSTORMS GENERALLY ALONG AND
WEST OF A PORT GIBSON TO MCCOMB LINE.

A STRONG THUNDERSTORM LOCATED WEST OF PORT GIBSON IS EXPECTED TO MOVE
INTO SOUTHWEST MISSISSIPPI IN JEFFERSON OR ADAMS COUNTY AROUND 700 PM.
Special weather statement, Mar 29, 6:36 PM CST, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
635 PM CST WED MAR 29 1989

AT 630 PM...A SCATTERED LINE OF STRONG THUNDERSTORMS EXTENDED FROM 15
MILES WEST OF PORT GIBSON TO 30 MILES WEST OF NATCHEZ. THE STORMS ARE
MOVING EAST-SOUTHEAST AT 30 MPH AND WILL BE MOVING INTO THE JEFFERSON
COUNTY AROUND 700 PM AND ADAMS COUNTY AROUND 730 PM.

RAIN AND SCATTERED THUNDERSTORNS...SOME HEAVY CONTINUED OVER EXTREME
REASTERN MISSISSIPPI ALONG AND EAST OF INTERSTATE 59. THE RAIN EXTENDS
INTO ALABAMA. THIS AREA IS MOVING EAST AT 20 MPH.
Special weather statement, Mar 29, 7:30 PM CST, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
 729 PM CST WED MAR 29 1989

 TORNADO WATCH NUMBER 68 REMAINS IN EFFECT UNTIL MIDNIGHT CST
FOR JONES AND WAYNE COUNTIES IN MISSISSIPPI AND CHOCTAW COUNTY
IN WEST CENTRAL ALABAMA.

AT 720 PM CST MERIDIAN WEATHER RADAR WAS INDICATING A LARGE AREA OF
RAIN AND EMBEDDED THUNDERSTORMS EXTENDING ALONG AND EAST OF A LINE
FROM FAYETTE ALABAMA TO 10 MILES WEST OF MERIDIAN TO POPLARVILLE
MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE LOCATED 5 MILES
NORTHEAST OF MERIDIAN MISSISSIPPI. THE PRECIPITATION WAS MOVING
EAST AT 35 MPH.

REMEMBER THAT A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE
FOR TORNADOES AND SEVERE THUNDERSTORMS. IF A WARNING IS ISSUED
FOR YOUR AREA TAKE ACTION IMMEDIATELY.

OVER 2.9 INCHES OF RAIN HAS FALLEN IN THE MERIDIAN AREA TODAY.
AT 720 PM CST THE STAGE OF THE SOWASHEE CREEK WAS 11.8 FEET. THE CREEK
SHOULD CREST BETWEEN 15 AND 16 FEET DURING THE NEXT FEW HOURS.
AT 17 FEET THE SOWASHEE BEGINS TO FLOOD PORTIONS OF THE MOUNT BARTON
SCHOOL AREA AND THE VILLAGE FAIR MALL PARKING LOT.

IF YOU ARE DRIVING TONIGHT...DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS.

STRONG THUNDERSTORMS ARE BEGINNING TO ENTER SOUTHWEST MISSISSIPPI AND THESE
THUNDERSTORMS SHOULD CONTINUE TO MOVE EAST TONIGHT. IF YOU LIVE
IN EAST CENTRAL MISSISSIPPI AND WEST CENTRAL ALABAMA YOU SHOULD REMAIN
WEATHER ALERT AND CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR LATER STATE	MENTS
AND POSSIBLE WARNINGS.
Special weather statement, Mar 29, 7:36 PM CST, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
735 PM CST WED MAR 29 1989

AT 730 PM...RADAR SHOWED A SHORT LINE OF STRONG THUNDERSTORMS FROM
JUST NORTH OF PORT GIBSON MISSISSIPPI TO 10 MILES SOUTHWEST OF NATCHEZ.
THE STRONGEST THUNDERSTORM IN THIS LINE WAS LOCATED JUST NORTHWEST OF
NATCHEZ AND COULD PRODUCE DAMAGING WINDS...HAIL...AND FREQUENT DANGEROUS
LIGHTNING.  THE LINE WAS MOVING TO THE SOUTHEAST AT 15 MPH.

RAIN AND SCATTERED THUNDERSTORNS...SOME HEAVY CONTINUED OVER EXTREME
EASTERN MISSISSIPPI ALONG AND EAST OF INTERSTATE 59. THE RAIN EXTENDS
INTO ALABAMA. THIS AREA IS MOVING EAST AT 20 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 6:55 PM CSTSevere Thunderstorm WarningJANClaiborne35 min
Mar 29, 7:11 PM CSTSevere Thunderstorm WarningJANAdams34 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.