Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 113, NWS Jackson, MS
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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 9:15 PM CDT | Thunderstorm Wind 0 | Montgomery, 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.
- 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
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.
<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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 8:23 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Leflore | 52 min |
| May 23, 12:15 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 25 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.