Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 113, NWS Jackson, MS

May 22, 1989Montgomery County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 22, 1989, 8:58 PM CDT for Montgomery County, Mississippi. It was in force for 32 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
May 22, 1989, 8:58 PM CDT (01:58 UTC)
Expired
May 22, 1989, 9:30 PM CDT
In force
32 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Montgomery 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
May 22, 9:15 PM CDTThunderstorm Wind 0Montgomery, 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 00:00Z, 2.0 hours before the alert went out and 138 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 1989-05-23Temperature 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 1989-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
0 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 230200
SVRJAN
MSC097-230230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
858 PM CDT MON MAY 22 1989
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL MISSISSIPPI
          ...MONTGOMERY
 
AT 855 PM CDT...RADAR INDICATED A VERY STRONG THUNDERSTORM JUST
SOUTHEAST OF GREENWOOD MOVING EAST AT 25 MPH. THIS STORM PROBABLY
CONTAINS LARGE HAIL AND MAY PRODUCE HEAVY RAIN AND DAMAGING WINDS.
 
AT 840 PM...MARBLE TO DIME SIZE HAIL WAS REPORTED AT SIDON WHICH IS
JUST SOUTH OF GREENWOOD.
 
THIS STORM WILL BE APPROACHING THE WINONA AREA BEFORE 915 PM.
 
PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY
FROM WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL
THE STORM HAS PASSED.  MOTORISTS DON'T DRIVE INTO WATER CROSSINGS.
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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, May 22, 3:27 PM CDT, 5 hours 31 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
325 PM CDT MON MAY 22 1989

AT 325 PM...SCATTERED STRONG THUNDERSTORMS CONTINUED OVER PORTIONS
OF SOUTH MISSISSIPPI...BUT DURING THE PAST HOUR HAD SHIFTED OVER
INTO THE SOUTHEASTERN PART OF THE STATE.  MOST OF THE ACTIVITY
WAS LOCATED BETWEEN COLUMBIA...BAY SPRINGS...AND WAYNESBORO.
THE STRONGEST THUNDERSTORM WAS LOCATED BETWEEN SHUBUTA AND
WAYNESBORO.

ALTHOUGH THE GENERAL AREA OF THUNDERSTORMS HAD SHIFTED EASTWARD...
THE MOVEMENT OF INDIVIDUAL CELLS IS TOWARD THE NORTHEAST AT 25 MPH.
Special weather statement, May 22, 4:32 PM CDT, 4 hours 26 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
426 PM CDT MON MAY 22 1989

AT 426 PM...AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAINFALL
WAS INDICATED 10 MILES EAST OF BUTLER, ALABAMA.

LARGE PATCHES OF LIGHT RAIN WITH ISOLATED THUNDERSTORMS CONTINUED
OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA MAINLY SOUTHEAST OF
A MERIDIAN TO HATTIESBURG, MISSISSSIPPI AND BOGALUSA, LOUISIANA
LINE.

INTENSITIES WERE DECREASING WITH MOVEMENT NORTHEAST AT 25 MILES AN
HOUR.
Local storm report, May 22, 4:41 PM CDT, 4 hours 17 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
440 PM CDT MON MAY 22 1989

255 PM CDT...JONES COUNTY CD REPORTED METAL ROOF BLOWN OFF
             ELEMENTRY SCHOOL GYM IN NORTHEAST LAUREL MISSISSIPPI.
             EYE WITNESS ACROSS STREET FROM GYM REPORTED LITTLE
             WIND AT HIS LOCATION. GYM ROOF APPROXIMATELY 50
             FEET ABOVE GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 8:23 PM CDTSevere Thunderstorm WarningJANCarroll, Leflore52 min
May 23, 12:15 PM CDTSevere Thunderstorm WarningJANMadison25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.