Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 145, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 14, 1989, 8:15 AM CDT for Yazoo County, Mississippi. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jun 14, 1989, 8:15 AM CDT (13:15 UTC)
- Expired
- Jun 14, 1989, 9:00 AM CDT
- In force
- 45 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.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 1.3 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
- 1832 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 141317
SVRJAN
MSC163-141345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
815 AM CDT WED JUN 14 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL MISSISSIPPI
...EASTERN YAZOO
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR ABOUT 8 MILES SOUTHEAST
OF YAZOO CITY MOVING TO THE NORTHEAST AT 25 MPH. THE STORM WILL BE IN
THE VICINITY OF PICKENS BY 900 AM, SOME DAMAGE HAS ALREADY BEEN
REPORTED WITH THIS STORM.
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<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, Jun 14, 6:21 AM CDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 620 AM CDT WED JUN 14 1989 ...STRONG THUNDERSTORMS APPROACHING WESTCENTRAL AND SOUTHWEST COUNTIES... A LINE OF STRONG THUNDERSTORMS EXTENDED FROM OAK GROVE LOUISIANA TO DELHI LOUISIANA TO 20 MILES WEST OF NATCHEZ AT 616 AM. THIS LINE WILL APPROACH VICKSBURG...AND NATCHEZ WITHIN THE NEXT 30 MINUTES. IN ADDITION TO HEAVY RAIN...THIS LINE OF THUNDERSTORMS WILL LIKELY PRODUCE SoTRONG AND QUITE GUSTY WINDS.
Special weather statement, Jun 14, 7:06 AM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 710 AM CDT WED JUN 14 1989 A LINE OF STRONG THUNDERSTORMS WAS ENTERING THE VICKSBURG AREA JUST AFTER 7 AM. THIS LINE IS MOVING EAST AT ABOUT 25 MPH. AT ITS PRESENT MOVEMENT...THIS LINE SHOULD MOVE INTO THE WEST JACKSON AREA BETWEEN 830 AN 9 AM. IN ADDITION TO HEAVY RAIN...THIS LINE WILL LIKELY PROUDUCE STRONG AND QUITE GUSTY WINDS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 9:17 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 43 min |
| Jun 13, 10:00 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 45 min |
| Jun 13, 10:46 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Washington | 44 min |
| Jun 13, 11:14 PM CDT | Flash Flood Warning | JAN | Leflore, Sunflower | 3 hr |
| Jun 14, 2:48 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 42 min |
| Jun 14, 3:09 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 36 min |
| Jun 14, 3:51 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 54 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.