Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 29, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 10, 1990, 1:27 AM CST for Sumter County, Alabama. It was in force for 48 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
- Feb 10, 1990, 1:27 AM CST (07:27 UTC)
- Expired
- Feb 10, 1990, 2:15 AM CST
- In force
- 48 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Sumter County, AL
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 |
|---|---|---|---|
| Feb 10, 1:40 AM CST | Thunderstorm Wind 0 | Sumter, AL |
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
Centreville/Bibb, AL (KCKL), launched 00:00Z, 7.5 hours before the alert went out and 100 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
- 897 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 340 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMEI 100727
SVRMEI
ALC119-100815-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
127 AM CST SAT FEB 10 1990
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL ALABAMA
...SUMTER
AT 125 AM CST RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
LIVINGSTON ALABAMA MOVING EAST AT 40 MPH. THIS STORM HAS A HISTORY OF
PRODUCING DAMAGING WINDS.
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. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PR4ODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.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, Feb 9, 11:04 PM CST, 2 hours 23 minutes before
MSZALL-100600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1100 PM CST FRI FEB 9 1990 ...STRONG THUNDERSTORMS MOVING THROUGH WEST-CENTRAL MISSISSIPPI... A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM NEAR YAZOO CITY TO JUST SOUTH OF VICKSBURG AT 1100 PM. THESE THUNDERSTORMS HAVE PRODUCED STRONG GUSTY WINDS...SMALL HAIL AND CONSIDERABLE LIGHTNING WITHIN THE PAST HOUR OVER WARREN COUNTY. SOME TREE DAMAGE WAS REPORTED IN NORTHEAST WARREN COUNTY AND ALSO ONE HOUSE WAS REPORTED TO HAVE HAD WINDOW DAMAGE. THESE THUNDERSTORMS WILL MOVE THROUGH HINDS...RANKIN...COPIAH... MADISON...AND CLAIBORNE COUNTIES DURING THE NEXT HOUR. RESIDENTS OF THESE COUNTIES SHOULD REMAIN EXTRA WEATHER CONSCIOUS AND BE READY TO TAKE QUICK ACTION IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND SOUTH MISSISSIPPI SOUTH OF A COLUMBUS...KOSCIUSKO...TO ROLLING FORK LINE. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF MISSISSIPPI EXCEPT THE EXTREME SOUTHEAST.
Special weather statement, Feb 9, 11:41 PM CST, 1 hour 46 minutes before
MSZALL-100600- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1140 PM CST FRI FEB 9 1990 ...STRONG THUNDERSTORMS MOVING THROUGH WEST-CENTRAL MISSISSIPPI... AT 1135 PM...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM KOSCIOUSKO TO JACKSON TO FAYETTE. THE STRONGEST ACTIVITY WITHIN THIS LINE WAS INDICATED NEAR CANTON AND ALSO IN THE JACKSON AREA. THESE STORMS ARE LIKELY TO CONTAIN HAIL...AND MAY PRODUCE WIND GUST7S NEAR 50 MPH AND BRIEF TORRENTIAL RAIN. THE INDIVIDUAL STORMS WERE MOVING EAST AT 45 MPH WHILE THE LINE WAS MOVING SOUTHEAST AROUND 20 MPH. BEHIND THE LINE OF THUNDERSTORMS...A NEARLY SOLID AREA OF LIGHT TO MODERATE RAIN CONTINUES.
Special weather statement, Feb 10, 12:33 AM CST, 54 minutes before
MSZALL-100700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1235 AM CST SAT FEB 10 1990 ...TORNADO WATCH IN EFFECT UNTIL 6 AM FOR MUCH OF EAST CENTRAL AND SOUTH MISSISSIPPI... AT 1230 AM...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ALONG A LINE FROM PHILADELPHIA TO MAGEE TO MCCOMB. THE HEAVIEST STORMS ALONG THIS LINE WERE INDICATED NEAR NEW HEBRON AND MCCOMB. THESE STORMS PROBABLY CONTAIN HAIL...AND WILL PRODUCE STRONG WIND GUSTS AND BRIEF TORRENTIAL RAIN. AT 1220 AM...THE FLIGHT SERVICE STATION AT MCCOMB RECORDED A WIND GUST OF 52 MPH. THE INDIVIDUAL STORMS WERE MOVING EAST AT 45 MPH WHILE THE LINE WAS MOVING EAST SOUTHEAST AROUND 25 MPH. BEHIND THE LINE OF THUNDERSTORMS...A NEARLY SOLID AREA OF LIGHT TO MODERATE RAIN CONTINUES.
Local storm report, Feb 10, 12:47 AM CST, 40 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1245 AM CST SAT FEB 10 1990
1225 AM CST...WINSTON COUNTY C.D. REPORTED DIME SIZE HAIL
IN LOUISVILLE MISSISSIPPI.Local storm report, Feb 10, 1:08 AM CST, 19 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
105 AM CST SAT FEB 10 1990
1256 AM CST...PUBLIC REPORTED TREES DOWN ON INTERSTATE 10
7 MILES EAST OF NEWTON MISSISSIPPI IN NEWTON
COUNTY.Local storm report, Feb 10, 1:27 AM CST, 0 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
125 AM CST SAT FEB 10 1990
115 AM CST...HIGHWAY PATROL REPORTED TREES DOWN ON HIGHWAY 494
10 MILES NORTHWEST OF MERIDIAN MISSISSIPPI 5IN
LAUDERDALE COUNTY.
115 AM CST...LAUREL POLICE REPORTED ROOFS OFF BUILDINGS AND
WINDOWS OUT OF CARS IN LAUREL MISSISSIPPI.The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 1:36 AM CST | Severe Thunderstorm Warning | JAN | Choctaw | 54 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 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.