Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 49, NWS Jackson, MS

April 4, 1989Bolivar County, Sunflower County, Washington County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 4, 1989, 7:17 AM CDT for Bolivar County, Sunflower County, Washington County, Mississippi. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1989, 7:17 AM CDT (12:17 UTC)
Expired
Apr 4, 1989, 7:45 AM CDT
In force
28 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Bolivar County, MS, Sunflower County, MS, Washington 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 12:00Z, 0.3 hours before the alert went out and 154 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

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

000 
TTAA00 KJAN 041219
SVRJAN
MSC011-133-151-041245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
717 AM CDT TUE APR 4 1989
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST MISSISSIPPI
          ...SOUTHERN BOLIVAR...SUNFLOWER...NORTHERN WASHINGTON
 
JACKSON RADAR WAS DETECTING A SEVERE THUNDERSTORM BETWEEN GREENVILLE
AND CLEVELAND. THIS THUNDERSTORM HAS THE POTENTIAL TO PRODUCE VERY
LARGE HAIL AS IN MOVES EAST AT 40 MPH TO SUNFLOWER COUNTY.
 
 
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS.  DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
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What forecasters said that day

The local office's own words before this severe thunderstorm 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, 1:36 AM CDT, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
135 AM CDT TUE APR 4 1989

...TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN MISSISIPPI UNTIL 5 AM...
   ...STRONG THUNDERSTORMS MOVING THROUGH NORTHWEST MISSISSIPPI...

AT 130 AM CDT...THE LEADING EDGE OF A BAND OF STRONG THUNDERSTORMS
EXTENDED FROM HOLLY SPRINGS TO CHARLESTON TO GREENVILLE.  THE BAND WAS
MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR WHILE THE INDIVIDUAL STORMS
WERE MOVING EAST AT 40 MILES AN HOUR.

HEAVY RAINS...GUSTY WINDS AND HAIL ARE POSSIBLE ALONG THIS BAND OF
STORMS.  DURING THE PAST HOUR...THERE WAS A REPORT FROM BOLIVAR COUNTY
CIVIL DEFENSE OF A HOUSE DAMAGED AND POWER LINES DOWN WEST OF CLEVELAND.
MORE DETAILS WILL FOLLOW WHEN AVAILABLE.

PEOPLE IN NORTHWEST MISSISSIPPI SHOULD BE ALERT SHOULD THREATENING
WEATHER APPROACH OR A WARNING IS ISSUED.
Special weather statement, Apr 4, 2:27 AM CDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
235 AM CDT TUE APR 4 1989

...TORNADO WATCH IN EFFECT FOR MUCH OF NORTHERN MISSISIPPI UNTIL 5 AM...

AT 230 AM CDT...THE LEADING EDGE OF A BAND OF STRONG THUNDERSTORMS
EXTENDED FROM NEW ALBANY TO GRENADA TO ROLLING FORK.  THE BAND WAS
MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR WHILE THE INDIVIDUAL STORMS
WERE MOVING EAST AT 40 MILES AN HOUR.  HEAVY RAINS...GUSTY WINDS AND
HAIL ARE POSSIBLE ALONG THIS BAND OF STORMS.

DURING THE PAST HOUR...THERE WAS A REPORT OF MARBLE SIZE HAIL JUST SOUTH
OF GREENWOOD.

FOLLOW UP REPORT...ON THE HOUSE DAMAGE WEST OF CLEVELAND AROUND 1 AM...
IT TURNED OUT THE DAMAGE WAS JUST A BENT ANTENNA ON THE HOUSE.

THE WATCH HAS BEEN CANCELLED FOR PARTS OF EXTREME NORTHWEST MISSISSIPPI
WEST OF A HOLLY SPRINGS TO GREENVILLE LINE.
Special weather statement, Apr 4, 3:36 AM CDT, 3 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
335 AM CDT TUE APR 4 1989

...TORNADO WATCH CANCELLED FOR NORTHERN MISSISSIPPI BUT REMAINS IN
   EFFECT FOR PARTS OF CENTRAL MISSISSIPPI UNTIL 5 AM...

AT 330 AM CDT...A STRONG THUNDERSTORM WAS LOCATED JUST NORTH OF YAZOO
CITY MOVING EAST AT 40 MPH.  THIS STORM PROBABLY CONTAINS SMALL HAIL.

THIS STORM WAS WITHIN A BAND OF OTHERWISE WEAKENING THUNDERSTORMS WHICH
EXTENDED FROM COLUMBUS THROUGH YAZOO CITY TO LAKE PROVIDENCE LOUISIANA.
THE BAND WAS MOVING SOUTHEAST AT 20 MPH.

NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR.

THE WATCH HAS BEEN CANCELLED FOR NORTHERN MISSISSIPPI AS THE BAND OF
STORMS HA3S MOVED SOUTH OF THAT AREA.  HOWEVER...THE WATCH REMAINS IN
EFFECT FOR THAT PART OF THE WATCH AREA SOUTH OF A COLUMBUS TO LAKE
PROVIDENCE LINE.
Special weather statement, Apr 4, 4:03 AM CDT, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
400 AM CDT TUE APR 4 1989

   ...TORNADO WATCH CANCELLED FOR ALL OF MISSISSIPPI...

THE BAND OF STRONG THUNDERSTORMS WHICH HAD THE POTENTIAL FOR PRODUCING
SEVERE WEATHER OVERNIGHT HAS WEAKENED AND MOVED SOUTH OF THE WATCH AREA.
THEREFORE NO SEVERE WEATHER WATCHES REMAIN IN EFFECT FOR MISSISSIPPI.

AT 4 AM CDT...THE BAND OF THUNDERSTORMS WAS LOCATED SOUTH OF A LINE FROM
JCOLUMBUS TO LAKE PROVIDENCE LOUISIANA.  THIS BAND WAS MOVING SOUTHEAST
AT 20 MPH.  ALTHOUGH THE STORMS HAVE WEAKENED...THEY MAY STILL PRODUCE A
BRIEF HEAVY DOWNPOUR...SMALL HAIL...AND WIND GUSTS UP TO 40 MPH.
Special weather statement, Apr 4, 7:02 AM CDT, 15 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, 13 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.

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, 7:51 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, 10:21 AM CDTTornado WarningJANYazoo39 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

Nearby

Severe Thunderstorm Warnings in Mississippi, 1989Every severe thunderstorm warning 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.