Alert archive / Mississippi / Tornado Warnings in 1989
Tornado Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Feb 20, 1989, 5:58 PM CST for Yazoo 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
- Feb 20, 1989, 5:58 PM CST (23:58 UTC)
- Expired
- Feb 20, 1989, 6:30 PM CST
- In force
- 32 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Yazoo 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 |
|---|---|---|---|
| Feb 20, 6:15 PM CST | Hail 0.75 | Yazoo, 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, 12.0 hours before the alert went out and 59 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
- 600 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 311 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 210001
TORJAN
MSC163-210030-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
558 PM CST MON FEB 20 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 630 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL MISSISSIPPI
...NORTHEASTERN YAZOO
AT 555 PM CST...A TORNADO WAS STILL POSSIBLY ON THE GROUND OVER
NORTHWEST MADISON COUNTY JUST NORTH OF FLORA. THIS STORM WAS MOVING TO
THE NORTHEAST AT 40 MILES AN HOUR AND MAY MOVE UP INTO NORTHEASTERN
YAZOO COUNTY WITHIN THE NEXT 10 MINUTES. THE STORM APPEARS TO BE
MOVING BETWEEN YAZOO CITY AND CANTON.
THIS IS A DANGEROUS STORM. MOVE QUICKLY TO UNDERGROUND SHELTER IF
AVAILABLE. OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR.
AVOID WINDOWS. LEAVE CARS AND MOBILE HOMES FOR A STURDY BUILDING.
<What forecasters said that day
The local office's own words before this tornado 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, Feb 20, 2:05 PM CST, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 205 PM CST MON FEB 20 1989 ...TORNADO WATCH NUMBER 5 IN EFFECT UNTIL 8 PM FOR A SMALL PART OF WEST CENTRAL AND SOUTHWEST MISSISSIPPI... AT 200 PM CST...JACKSON RADAR INDICATED A VERY INTENSE THUNDERSTORM OVER EAST CENTRAL LOUISIANA...NEAR JONESVILLE IN CATAHOULA PARISH. THIS STORM HAS A HISTORY OF BEING TORNADIC AND THE WEATHER SERVICE OFFICE IN BATON ROUGE HAS ISSUED A TORNADO WARNING UNTIL 250 PM FOR CATAHOULA AND NORTHERN CONCORDIA PARISHES. THE STORM WAS STILL ABOUT 25 MILES WEST OF THE MISSISSIPPI RIVER AS IT MOVED TO THE NORTHEAST AT 40 MILES AN HOUR. THE PRESENT TRACK WOULD TAKE THE STORM TO NEAR THE MISSISSIPPI RIVER JUST WEST OF PORT GIBSON AROUND 3 PM. IF THE STORM CONTINUES TO BE INTENSE... A WARNING WILL BE NECESSARY AS IT APPROACHES SOUTHWEST MISSISSIPPI.
Special weather statement, Feb 20, 4:47 PM CST, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 445 PM CST MON FEB 20 1989 ...TORNADO WATCH NUMBER 6 REMAINS IN EFFECT FOR MOST OF MISSISSIPPI ALONG AND SOUTH OF A CLARKSDALE TO FULTON LINE... AT 440 PM CST...JACKSON RADAR INDICATED NUMEROUS THUNDERSTORMS WEST OF INTERSTATE 55. TO THE EAST...SCATTERED THUNDERSTORMS ARE SLDO BEING REPORTED MAINLY OVER THE SOUTHEAST CORNER OF THE STATE. THE INDIVIDUAL THUNDERSTORMS ARE MOVING NORTHEAST AT 40 MPH.
Special weather statement, Feb 20, 5:23 PM CST, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 525 PM CST MON FEB 20 1989 TORNADO WATCH NUMBER 6 IN EFFECT UNTIL 1000 PM CST FOR A LARGE PART OF MISSISSIPPI INCLUDING ALL COUNTIES IN EAST CENTRAL MISSISSIPPI EXCEPT WAYNE. AT 520 PM RADAR INDICATED A STRONG THUNDERSTORMS IN WEST CENTRAL AND SOUTHEAST MISSISSIPPI MOVING TOWARD THE NORTHEAST AT 35 MPH. TORNADOES WARNINGS HAVE ALREADY BEEN ISSUED FOR PARTS OF SOUTHWEST AND WEST CENTRAL MISSISSIPPI. THIS STORM SYSTEM IS EXPECTED TO MOVE EASTWARD TONIGHT... SO PERSONS IN THE WATCH AREA SHOULD REMAIN WEATHER ALERT AND BE PREPARED TO TAKE QUICK ACTION IF THREATENING WEATHER APPROACHES. <<
Special weather statement, Feb 20, 5:35 PM CST, 23 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 535 PM CST MON FEB 20 1989 ...TORNADO WATCH NUMBER 6 REMAINS IN EFFECT FOR MOST OF MISSISSIPPI ALONG AND SOUTH OF A CLARKSDALE TO FULTON LINE... AT 535 PM CST...JACKSON RADAR INDICATED NUMEROUS THUNDERSTORMS WEST OF A NEW ALBANY...JACKSON...NATCHEZ LINTE. TO THE SOUTHEAST...THUNDER- STORMS CONTINUED SCATTERED SOUTHEAST OF HATTIESBURG. THE INDIVIDUAL THUNDERSTORMS ARE MOVING NORTHEAST AT 40 MPH.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 2:25 PM CST | Tornado Warning | JAN | Adams, Jefferson | 50 min |
| Feb 20, 3:06 PM CST | Tornado Warning | JAN | Claiborne, Jefferson | 54 min |
| Feb 20, 3:47 PM CST | Tornado Warning | JAN | Warren | 43 min |
| Feb 20, 4:19 PM CST | Tornado Warning | JAN | Issaquena | 41 min |
| Feb 20, 4:29 PM CST | Tornado Warning | JAN | Warren | 46 min |
| Feb 20, 5:15 PM CST | Tornado Warning | JAN | Hinds, Warren, Yazoo | 45 min |
| Feb 20, 5:45 PM CST | Tornado Warning | JAN | Madison | 30 min |
Nearby
Tornado Warnings in Mississippi, 1989Every tornado warning in 1989Tornadoes 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.