Alert archive / Mississippi / Tornado Warnings in 1989
Tornado Warning 54, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Apr 4, 1989, 10:21 AM CDT for Yazoo County, Mississippi. It was in force for 39 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
- Apr 4, 1989, 10:21 AM CDT (15:21 UTC)
- Expired
- Apr 4, 1989, 11:00 AM CDT
- In force
- 39 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 |
|---|---|---|---|
| Apr 4, 10:30 AM CDT | Thunderstorm Wind 0 | 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, 3.4 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
- 2069 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 11.1
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 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, Apr 4, 7:02 AM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 655 AM CDT TUE APR 4 1989 SEVERE THUNDERSTORM WATCH NUMBER 86 WHICH INCLUDES SUMTER COUNTY IN EXTREME WEST CENTRAL ALABAMA IN EFFECT UNTIL 1100 AM CDT. SEVERE THUNDERSTORM WATCH NUMBER 87 WHICH INCLUDES LAUDERDALE... NEWTON...NESHOBA...KEMPER...WINSTON...NOXUBEE COUNTIES IN EFFECT UNTIL NOON CDT. SEVERE THUNDERSTORM WARNINGS FOR KEMPER AND WINSTON COUNTIES HAVE EXPIRED AND ARE NO LONGER IN EFFECT. AT 655 AM CDT MERIDIAN WEATHER RADAR INDICATED AN AREA OF RAIN WITH A FEW VERY STRONG THUNDERSTORMS ALONG AND NORTH OF A LINE FROM VICKSBURG TO 25 MILES SOUTH OF COLUMBUS MISSISSIPPI TO TUSCALOOSA ALABAMA. THE VERY STRONG THUNDERSTORMS CONTAIN VERY HEAVY RAINS AND ARE MOVING NORTHEAST AT 40 MPH. <<
Special weather statement, Apr 4, 7:04 AM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 700 AM CDT TUE APR 4 1989 ...SEVERE THUNDERSTORM WATCH NUMBER 87 IS IN EFFECT FOR A LARGE PART OF CENTRAL MISSISSIPPI UNTIL NOON... AT 655 AM...JACKSON RADAR WAS CONTINUING TO SHOW NUMEROUS THUNDERSTORMS ACROSS CENTRAL MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE BETWEEN GREENVILLE AND ITTA BENA AND BETWEEN PICKENS AND ACKERMAN. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...ALONG WITH HAIL AND LOCALLY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH.
Special weather statement, Apr 4, 8:39 AM CDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 835 AM CDT TUE APR 4 1989 ...SEVERE THUNDERSTORM WATCH NUMBER 87 IS IN EFFECT FOR A LARGE PART OF CENTRAL MISSISSIPPI UNTIL NOON... AT 830 AM...INTENSE THUNDERSTORMS EXTENDED FROM NEAR CARROLLOTON TO SOUTH OF GREENVILLE. ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR ROLLING FORK. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...ALONG WITH bHAIL AND LOCALLY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH. NUMEROUS OTHER SHOWERS AND THUNDERSTORMS COVER MUCH OF THE CENTRAL MISSISSIPPI NORTH OF A VICKSBURG TO COLUMBUS LINE. THE AREA IS MOVING EAST AT 40 MPH.
Special weather statement, Apr 4, 9:08 AM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 905 AM CDT TUE APR 4 1989 SEVERE THUNDERSTORM WATCH NUMBER 86 REMAINS IN EFFECT UNTIL 1100 AM CDT. SEVERE THUNDERSTORM WATCH NUMBER 87 REMAINS IN EFFECT UNTIL NOON CDT. AT 900 AM CDT MERIDIAN WEATHER RADAR SHOWED A LARGE AREA OF RAIN AND THUNDERSTORMS ALONG AND NORTH OF A LINE FROM VICKSBURG TO ACKERMAN MISSISSIPPI TO BIRMINGHAM ALABAMA. AN INTENSE THUNDERSTORM WAS LOCATED 5 MILES WEST OF ACKERMAN MISSISSIPPI. THIS THUNDERSTORM WAS MOVING EAST AT 40 MPH. THE AREA OF RAIN WAS MOVING NORTHEAST AT 25 MPH. IF YOU LIVE IN WINSTON COUNTY YOU SHOULD REMAIN WEATHER ALERT AND BE PREPARED TO TAKE IMMEDIATE ACTION IF A WARNING IS ISSUED.
Special weather statement, Apr 4, 10:15 AM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT TUE APR 4 1989 AT 1012 AM...A THUNDERSTORMS HAS INTENSFIED RAPIDLY IN SOUTHERN HUMPHREYS COUNTY. THIS STORM IS MOVING EAST AT9 60 MPH AND WILL BE MOVING ACROSS NORTHERN YAZOO COUNTY DURING THE NEXT 15 TO 30 MINUTES. THIS THUNDERSTORM IS CAPABLE OF PRODUCING STRONG GUSTY WINDS...ALONG WITH HAIL AND LOCALLY HEAVY RAIN.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 5:15 AM CDT | Severe Thunderstorm Warning | JAN | Kemper | 45 min |
| Apr 4, 5:47 AM CDT | Severe Thunderstorm Warning | JAN | Winston | 43 min |
| Apr 4, 7:17 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower, Washington | 28 min |
| Apr 4, 7:51 AM CDT | Severe Thunderstorm Warning | JAN | Carroll, Leflore | 54 min |
| Apr 4, 8:20 AM CDT | Tornado Warning | JAN | Carroll | 25 min |
| Apr 4, 8:31 AM CDT | Severe Thunderstorm Warning | JAN | Sharkey | 29 min |
| Apr 4, 8:39 AM CDT | Severe Thunderstorm Warning | JAN | Montgomery | 36 min |
| Apr 4, 8:54 AM CDT | Tornado Warning | JAN | Montgomery | 26 min |
| Apr 4, 8:54 AM CDT | Tornado Warning | JAN | Choctaw | 36 min |
| Apr 4, 11:06 AM CDT | Severe Thunderstorm Warning | JAN | Holmes | 29 min |
| Apr 4, 11:32 AM CDT | Severe Thunderstorm Warning | JAN | Attala, Madison | 28 min |
| Apr 4, 12:03 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 27 min |
| Apr 4, 12:42 PM CDT | Severe Thunderstorm Warning | JAN | Leake | 18 min |
| Apr 4, 1:19 PM CDT | Severe Thunderstorm Warning | JAN | Neshoba | 41 min |
| Apr 4, 1:49 PM CDT | Severe Thunderstorm Warning | JAN | Neshoba, Newton | 41 min |
| Apr 4, 2:03 PM CDT | Tornado Warning | JAN | Lauderdale, Newton | 42 min |
| Apr 4, 2:15 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 45 min |
| Apr 4, 2:36 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 39 min |
| Apr 4, 2:47 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Wayne | 43 min |
| Apr 4, 3:17 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 28 min |
| Apr 4, 3:45 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 30 min |
| Apr 4, 4:28 PM CDT | Severe Thunderstorm Warning | JAN | Wayne | 32 min |
| Apr 4, 5:34 PM CDT | Severe Thunderstorm Warning | JAN | Amite | 26 min |
| Apr 4, 5:48 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Wayne | 42 min |
| Apr 4, 1:37 PM CDT | Severe Thunderstorm Warning | JAN | Sumter | 38 min |
| Apr 4, 2:28 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 47 min |
| Apr 4, 3:14 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 31 min |
| Apr 4, 3:50 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 25 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.