Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 206, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 30, 1990, 1:11 PM CDT for Wayne County, Mississippi. It was in force for 64 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
- Aug 30, 1990, 1:11 PM CDT (18:11 UTC)
- Expired
- Aug 30, 1990, 2:15 PM CDT
- In force
- 64 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Wayne 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 |
|---|---|---|---|
| Aug 30, 1:25 PM CDT | Thunderstorm Wind 0 | Wayne, 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, 6.2 hours before the alert went out and 151 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
- 2667 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 1276 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Aug 30, 9:51 AM CDT, 3 hours 20 minutes before
ALZ013-301545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 948 AM CDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 708 WHICH INCLUDES CHOCTAW COUNTY IN EXTREME WEST CENTRAL ALABAMA REMAINS IN EFFECT UNTIL 2 PM CDT... AT 945 PM CDT MERIDIAN WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS EAST OF A LINE FROM TUSCALOOSA TO DEMOPOLIS TO BUTLER ALABAMA. THE STRONGEST THUNDERSTORM WAS LOCATED 5 MILES SOUTHE OF DEMOPOLIS ALABAMA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 10 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD BE ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Aug 30, 9:56 AM CDT, 3 hours 15 minutes before
ALZ013-301545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 948 AM CDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 708 WHICH INCLUDES CHOCTAW COUNTY IN EXTREME WEST CENTRAL ALABAMA REMAINS IN EFFECT UNTIL 2 PM CDT... AT 945 AM CDT MERIDIAN WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS EAST OF A LINE FROM TUSCALOOSA TO DEMOPOLIS TO BUTLER ALABAMA. THE STRONGEST THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF DEMOPOLIS ALABAMA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 10 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD BE ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Aug 30, 10:58 AM CDT, 2 hours 13 minutes before
MSZ009-ALZ013-301655- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1055 AM CDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 708 WHICH INCLUDES CHOCTAW COUNTY IN EXTREME WEST CENTRAL ALABAMA REMAINS IN EFFECT UNTIL 2 PM CDT... AT 1045 AM CDT MERIDIAN WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS SOUTHEAST OF A LINE FROM GREENSBORO TO DEMOPOLIS ALABAMA TO MERIDIAN MISSISSIPPI. THE STRONGEST THUNDERSTORM WAS LOCATED 10 MILES SOUTHEAST OF LIVINGSTON ALABAMA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 10 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD BE ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Aug 30, 12:01 PM CDT, 1 hour 10 minutes before
MSZ009-ALZ013-301755- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1200 PM CDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 708 WHICH INCLUDES CHOCTAW COUNTY IN EXTREME WEST CENTRAL ALABAMA REMAINS IN EFFECT UNTIL 2 PM CDT... AT 1145 AM CDT MERIDIAN WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS SOUTH OF A LINE FROM RALEIGH TO MERIDIAN MISSISSIPPI TO SELMA ALABAMA. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR BUTLER ALABAMA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 10 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD BE ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Local storm report, Aug 30, 1:07 PM CDT, 4 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
100 PM CDT THU AUG 30 1990
1245 PM CDT...HIGHWAY PATROL REPORTED NUMEROUS TREES AND POWER
LINES DOWN IN PACHUTA IN CLARKE COUNTY MISSISSIPPI.The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 12:36 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 69 min |
| Aug 30, 2:19 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 26 min |
| Aug 30, 2:26 PM CDT | Severe Thunderstorm Warning | JAN | Wayne | 34 min |
| Aug 30, 4:45 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 30 min |
| Aug 30, 12:17 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 28 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990
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.