Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 39, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 21, 1989, 3:08 PM CST for Rankin County, Mississippi. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Mar 21, 1989, 3:08 PM CST (21:08 UTC)
- Expired
- Mar 21, 1989, 3:35 PM CST
- In force
- 27 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Rankin 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 12:00Z, 9.1 hours before the alert went out and 225 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
- 1473 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 212109 RRA
SVRJAN
MSC121-212135-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
308 PM CST TUE MAR 21 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 335 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL MISSISSIPPI
...RANKIN
AT 306 PM...A THUNDERSTORM LIKELY PRODUCING LARGE HAIL WAS LOCATED 5
MILES SOUTH OF FLORENCE MOVING NORTHEAST AT 60 MPH. THIS STORM IS
MOVING TOWARD PELAHATCHIE.
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, Mar 21, 10:38 AM CST, 4 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CST TUE MAR 21 1989 ...STRONG THUNDERSTORMS HEADING BACK INTO MISSISSIPPI FROM THE WEST... AT 1030AM...STRONG THUNDERSTORMS HAD SPREAD INTO EAST TEXAS AND MUCH OF CENTRAL AND NORTHERN LOUISIANA. LIGHT RAIN AND SHOWERS WERE RAPIDLY REDEVELOPING OVER ABOUT THE SOUTHERN TWO THIRDS OF MISSISSIPPI AS WELL AND WILL CONTINUE TO INCREASE FOR THE REMAINDER OF THE DAY. AS THE STRONGER THUNDERSTORMS MOVE ACROSS THE MISSISSIPPI RIVER THIS AFTERNOON MANY WILL LIKELY CONTAIN SOME HAIL...GUSTY WINDS AND VERY HEAVY RAINFALL ALONG WITH DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES. THE FIRST ROUND OF INCOMING THUNDERSTORMS SHOULD MAINLY AFFECT THE GREENVILLE TO GREENWOOD TO YAZOO CITY AREAS DURING THE NEXT 2 HOURS. STAY TUNED TO YOUR NATIONAL WEATHER SERVICE RADIO AND LOCAL MEDIA FOR LATER STATEMENTS AS THE DAY PROGRESSES.
Special weather statement, Mar 21, 1:15 PM CST, 1 hour 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 115 PM CST TUE MAR 21 1989 ...EMBEDDED THUNDERSTORMS INCREASING OVER WEST MISSISSIPPI... AT 115PM...A GROWING AREA OF RAIN AND EMBEDDED THUNDERSTORMS WAS SPREADING ACROSS THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE BUILDING NEAR THE COAST AND ALONG THE MISSISSIPPI RIVER FROM GREENVILLE SOUTH TO NATCHEZ. ANY OF THESE STRONGER STORMS WILL HAVE THE CAPABILITY TO PRODUCE SOME HAIL...GUSTY WINDS AND VERY HEAVY RAINFALL ALONG WITH CLOUD TO GROUND LIGHTNING STRIKES. THE MOST INTENSE THUNDERSTORM IN WEST MISSISSIPPI WAS IN WARREN COUNTY ABOUT 15 MILES NORTHEAST OF VICKSBURG MOVING EAST AT 35 MILES AN HOUR. RAIN AND THUNDERSTORMS WILL CONTINUE TO INCREASE ACROSS THE SOUTHERN TWO THIRDS OF THE STATE INTO THE NIGHTTIME HOURS. RESIDENTS IN THESE AREAS SHOULD STAY TUNED TO YOUR NATIONAL WEATHER SERVICE RADIO AND LOCAL MEDIA FOR LATER STATEMENTS AS THE DAY PROGRESSES.
Local storm report, Mar 21, 3:02 PM CST, 6 minutes before
STORM REPORT NATIONAL WEATHER SERVICE JACKSON MS 255 PM CST TUE MAR 21 1989 240 PM CST...BROOKHAVEN/LINCOLN CIVIL DEFENSE REPORTED PEA TO MARBLE SIZE HAIL NEAR BROOKHAVEN.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 10:15 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 29 min |
| Mar 20, 10:40 PM CST | Severe Thunderstorm Warning | JAN | Sunflower | 20 min |
| Mar 20, 10:50 PM CST | Severe Thunderstorm Warning | JAN | Washington | 40 min |
| Mar 21, 2:18 AM CST | Severe Thunderstorm Warning | JAN | Rankin | 27 min |
| Mar 21, 2:14 PM CST | Severe Thunderstorm Warning | JAN | Wilkinson | 31 min |
| Mar 21, 2:49 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Simpson | 26 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.