Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 83, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 4, 1989, 11:35 AM CDT for Madison County, Rankin County, Mississippi. It was in force for 40 min. 5 reports 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 4, 1989, 11:35 AM CDT (16:35 UTC)
- Expired
- May 4, 1989, 12:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Madison County, MS, Rankin 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 4, 11:50 AM CDT | Thunderstorm Wind 0 | Rankin, MS | |
| May 4, 11:57 AM CDT | Thunderstorm Wind 0 | Madison, MS | |
| May 4, 12:00 PM CDT | Tornado F1 | Rankin, MS | |
| May 4, 12:05 PM CDT | Tornado F1 | Rankin, MS | |
| May 4, 12:05 PM CDT | Thunderstorm Wind 0 | Rankin, 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 12:00Z, 4.6 hours before the alert went out and 17 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
- 174 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 563 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 330 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 4, 5:36 AM CDT, 5 hours 59 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 430 AM CDT THU MAY 4 1989 AT 425 AM CDT THUNDERSTORMS AND SHOWERS WERE SCATTERED OVER PORTIONS OF NORTH AND CENTRAL MISSISSIPPI. STRONG THUNDERSTORMS WERE IN A BAND EXTENDING ACROSS NORTH RANKIN... SOUTH MADISON AND YAZOO COUNTIES. SOME OF THESE STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS...BRIEF HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING AND HAIL AS THEY= MOVE TO THE NORTH AT 20 MPH.
Special weather statement, May 4, 6:08 AM CDT, 5 hours 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 600 AM CDT THU MAY 4 1989 AT 555 AM CDT THUNDERSTORMS AND SHOWERS WERE SCATTERED OVER PORTIONS OF NORTH AND CENTRAL MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE IN A BAND EXTENDING ACROSS SCOTT... NORTH RANKIN...MADISON AND EASTERN YAZOO COUNTIES. SOME OF THESE STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS...BRIEF HEAVY RAIN...FREQUENT CLOUD TO _GROUND LIGHTNING AND HAIL AS THEY MOVE TO THE NORTHEAST AT 20 MPH.
Special weather statement, May 4, 6:38 AM CDT, 4 hours 57 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 630 AM CDT THU MAY 4 1989 STRONG THUNDERSTORMS CONTINUE OVER PORTIONS OF CENTRAL MISSISSIPPI. AT 625 AM CDT THE STRONGER THUNDERSTORMS WERE OVER SCOTT...MADISON AND SOUTHERN LEAKE COUNTIES. SOME OF THESE STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS...BRIEF HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING AND HAIL AS THEY MOVE TO THE NORTHEAST AT j20 MPH. OTHER THUNDERSTOMS WERE OVER YAZOO AND COPIA COUNTIES. PATCHES OF RAIN AND SHOWERS COVERED MUCH OF THE NORTHERN TWO THIRDS OF THE STATE.
Special weather statement, May 4, 9:44 AM CDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 930 AM CDT THU MAY 4 1989 ...TORNADO WATCH 173 IN EFFECT UNTIL 400PM CDT... STRONG THUNDERSTORMS CONTINUE OVER PORTIONS OF CENTRAL MISSISSIPPI. AT 930 AM CDT A BAND OF RAIN WITH EMBEDDED STRONG THUNDERSTORMS CONTINUED OVER CENTRAL MISSISSIPPI IN A 50 MILE WIDE BAND FROM DEKALB WESTWARD ACROSS MADISON COUNTY INTO NORTHERN LOUISIANA. THE STRONGER THUNDERSTORMS WITH TORRENTIAL RAINFALL WERE INDICATED IN EASTERN RANKIN AND SCOTT COUNTIES AND WERE MOVING EAST AT 30 MPH. SOME OF THESE STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS...SOME HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING. OTHER KTHUNDERSTOMS WERE CONTINUING TO INCREASE OVER NORTH LOUISIANA AND WILL BE AFFECTING ISSAQUEENA...WARREN AND CLAIBORNE COUNTIES SHORTLY.
Special weather statement, May 4, 10:13 AM CDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1005 AM CDT THU MAY 4 1989 ...TORNADO WATCH 173 IN EFFECT FOR SOUTHWEST PORTIONS UNTIL 400PM CDT... AT 1005 AM CDT A BAND OF RAIN WITH EMBEDDED STRONG THUNDERSTORMS CONTINUED OVER CENTRAL MISSISSIPPI IN A 50 MILE WIDE BAND FROM MERIDIAN NORTHWESTWARD ACROSS SCOTT AND MADISON COUNTIES INTO SOUTHERN ARKANSAS NORTHERN LOUISIANA. THE STRONGER THUNDERSTORMS WITH TORRENTIAL RAINFALL WERE INDICATED NEAR CANTON AND 10 MILES NORTHWEST OF FOREST AND WERE MOVING EAST AT 30 MPH. SOME OF THESE STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS...SOME HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING. A LINE OF VERY INTENSE THUNDERSTORMS IN NORTHERN LOUISIANA EXTENDED FROM 30 MILES NORTHEAST OF MONROE...ACROSS MONROE AND ON TO THE SOUTHWEST. WINDS UP TO 52 MILES AN HOUR OCCURRED IN MONROE AT 1000AM. THIS LINE WAS TO THE SOUTHEAST AT 35 MILES AN HOUR AND SHOULD AFFECT ISSAQoUEENA... WARREN AND CLAIBORNE COUNTIES BEFORE 11AM.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 8:49 AM CDT | Flash Flood Warning | JAN | Rankin | 116 min |
| May 4, 10:42 AM CDT | Tornado Warning | JAN | Issaquena, Sharkey | 48 min |
| May 4, 10:47 AM CDT | Severe Thunderstorm Warning | JAN | Warren | 43 min |
| May 4, 11:16 AM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Hinds | 59 min |
| May 4, 12:11 PM CDT | Severe Thunderstorm Warning | JAN | Simpson | 49 min |
| May 4, 12:28 PM CDT | Severe Thunderstorm Warning | JAN | Scott | 32 min |
| May 4, 12:40 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 35 min |
| May 4, 12:42 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Newton | 48 min |
| May 4, 1:08 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 52 min |
| May 4, 1:46 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 44 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.