Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 49, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 4, 1989, 7:17 AM CDT for Bolivar County, Sunflower County, Washington County, Mississippi. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Apr 4, 1989, 7:17 AM CDT (12:17 UTC)
- Expired
- Apr 4, 1989, 7:45 AM CDT
- In force
- 28 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Bolivar County, MS, Sunflower County, MS, Washington 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
Jackson, MS (KJAN), launched 12:00Z, 0.3 hours before the alert went out and 154 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
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 041219
SVRJAN
MSC011-133-151-041245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
717 AM CDT TUE APR 4 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST MISSISSIPPI
...SOUTHERN BOLIVAR...SUNFLOWER...NORTHERN WASHINGTON
JACKSON RADAR WAS DETECTING A SEVERE THUNDERSTORM BETWEEN GREENVILLE
AND CLEVELAND. THIS THUNDERSTORM HAS THE POTENTIAL TO PRODUCE VERY
LARGE HAIL AS IN MOVES EAST AT 40 MPH TO SUNFLOWER COUNTY.
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
<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, Apr 4, 1:36 AM CDT, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 135 AM CDT TUE APR 4 1989 ...TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN MISSISIPPI UNTIL 5 AM... ...STRONG THUNDERSTORMS MOVING THROUGH NORTHWEST MISSISSIPPI... AT 130 AM CDT...THE LEADING EDGE OF A BAND OF STRONG THUNDERSTORMS EXTENDED FROM HOLLY SPRINGS TO CHARLESTON TO GREENVILLE. THE BAND WAS MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR WHILE THE INDIVIDUAL STORMS WERE MOVING EAST AT 40 MILES AN HOUR. HEAVY RAINS...GUSTY WINDS AND HAIL ARE POSSIBLE ALONG THIS BAND OF STORMS. DURING THE PAST HOUR...THERE WAS A REPORT FROM BOLIVAR COUNTY CIVIL DEFENSE OF A HOUSE DAMAGED AND POWER LINES DOWN WEST OF CLEVELAND. MORE DETAILS WILL FOLLOW WHEN AVAILABLE. PEOPLE IN NORTHWEST MISSISSIPPI SHOULD BE ALERT SHOULD THREATENING WEATHER APPROACH OR A WARNING IS ISSUED.
Special weather statement, Apr 4, 2:27 AM CDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 235 AM CDT TUE APR 4 1989 ...TORNADO WATCH IN EFFECT FOR MUCH OF NORTHERN MISSISIPPI UNTIL 5 AM... AT 230 AM CDT...THE LEADING EDGE OF A BAND OF STRONG THUNDERSTORMS EXTENDED FROM NEW ALBANY TO GRENADA TO ROLLING FORK. THE BAND WAS MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR WHILE THE INDIVIDUAL STORMS WERE MOVING EAST AT 40 MILES AN HOUR. HEAVY RAINS...GUSTY WINDS AND HAIL ARE POSSIBLE ALONG THIS BAND OF STORMS. DURING THE PAST HOUR...THERE WAS A REPORT OF MARBLE SIZE HAIL JUST SOUTH OF GREENWOOD. FOLLOW UP REPORT...ON THE HOUSE DAMAGE WEST OF CLEVELAND AROUND 1 AM... IT TURNED OUT THE DAMAGE WAS JUST A BENT ANTENNA ON THE HOUSE. THE WATCH HAS BEEN CANCELLED FOR PARTS OF EXTREME NORTHWEST MISSISSIPPI WEST OF A HOLLY SPRINGS TO GREENVILLE LINE.
Special weather statement, Apr 4, 3:36 AM CDT, 3 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 335 AM CDT TUE APR 4 1989 ...TORNADO WATCH CANCELLED FOR NORTHERN MISSISSIPPI BUT REMAINS IN EFFECT FOR PARTS OF CENTRAL MISSISSIPPI UNTIL 5 AM... AT 330 AM CDT...A STRONG THUNDERSTORM WAS LOCATED JUST NORTH OF YAZOO CITY MOVING EAST AT 40 MPH. THIS STORM PROBABLY CONTAINS SMALL HAIL. THIS STORM WAS WITHIN A BAND OF OTHERWISE WEAKENING THUNDERSTORMS WHICH EXTENDED FROM COLUMBUS THROUGH YAZOO CITY TO LAKE PROVIDENCE LOUISIANA. THE BAND WAS MOVING SOUTHEAST AT 20 MPH. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE PAST HOUR. THE WATCH HAS BEEN CANCELLED FOR NORTHERN MISSISSIPPI AS THE BAND OF STORMS HA3S MOVED SOUTH OF THAT AREA. HOWEVER...THE WATCH REMAINS IN EFFECT FOR THAT PART OF THE WATCH AREA SOUTH OF A COLUMBUS TO LAKE PROVIDENCE LINE.
Special weather statement, Apr 4, 4:03 AM CDT, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 400 AM CDT TUE APR 4 1989 ...TORNADO WATCH CANCELLED FOR ALL OF MISSISSIPPI... THE BAND OF STRONG THUNDERSTORMS WHICH HAD THE POTENTIAL FOR PRODUCING SEVERE WEATHER OVERNIGHT HAS WEAKENED AND MOVED SOUTH OF THE WATCH AREA. THEREFORE NO SEVERE WEATHER WATCHES REMAIN IN EFFECT FOR MISSISSIPPI. AT 4 AM CDT...THE BAND OF THUNDERSTORMS WAS LOCATED SOUTH OF A LINE FROM JCOLUMBUS TO LAKE PROVIDENCE LOUISIANA. THIS BAND WAS MOVING SOUTHEAST AT 20 MPH. ALTHOUGH THE STORMS HAVE WEAKENED...THEY MAY STILL PRODUCE A BRIEF HEAVY DOWNPOUR...SMALL HAIL...AND WIND GUSTS UP TO 40 MPH.
Special weather statement, Apr 4, 7:02 AM CDT, 15 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, 13 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.
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, 7:51 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, 10:21 AM CDT | Tornado Warning | JAN | Yazoo | 39 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 |
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.