Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 207, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 30, 1990, 2:19 PM CDT for Jones County, Mississippi. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Aug 30, 1990, 2:19 PM CDT (19:19 UTC)
- Expired
- Aug 30, 1990, 2:45 PM CDT
- In force
- 26 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Jones 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, 7.3 hours before the alert went out and 116 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEI 301921 SVRMEI MSC067-301945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 219 PM CDT THU AUG 30 1990 THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...JONES COUNTY AT 217 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH OF LAUREL MISSISSIPPI MOVING SOUTHEAST AT 35 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEA,VY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, 4 hours 28 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, 4 hours 23 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, 3 hours 21 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, 2 hours 18 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, 1 hour 12 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.Special weather statement, Aug 30, 1:42 PM CDT, 37 minutes before
MSZ003-008<014-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 145 PM CDT THU AUG 30 1990 ...THUNDERSTORM WATCH NO. 710 REMAINS IN EFFECT FOR SOUTHEAST MISSISSIPPI UNTIL 8PM... A COLD FRONT EXTENDING ACROSS CENTRAL MISSISSIPPI HAS PRODUCED SCATTERED THUNDERSTORMS OVER THE SOUTHERN HALF OF THE STATE. A CLUSTER OF STRONG STORMS DEVELOPED NEAR THE EAST MISSISSIPPI BORDER JUST SOUTH OF MERIDIAN. THESE STORMS ARE MOVING RAPIDLY TO THE SOUTHEAST AND WILL CROSS THE STATE LINE INTO ALABAMA SHORTLY. OTHER SCATTERED THUNDERSTORMS WERE ALSO DEVELOPING OVER THE SOUTHEAST QUARTER OF THE STATE. A LOW PRESSURE TROUGH WILL SWING ACROSS MUCH OF THE STATE TODAY AND THE THREAT O F THUNDERSTORMS WILL CONTINUE THIS EVENING...MAINLY FOR SOUTHERN SECTIONS OF THE STATE. DRIER AIR HAS BEGUN TO SEEP INTO NORTHERN AND WESTCENTRAL MISSISSIPPI...LOWERING THE THREAT OF THUNDERSTORMS IN THOSE AREAS.
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, 1:11 PM CDT | Severe Thunderstorm Warning | JAN | Wayne | 64 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 |
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; the sounding from the Mesonet's radiosonde archive.