Alert archive / Mississippi / Tornado Warnings in 1993
Tornado Warning 34, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Dec 4, 1993, 6:51 AM CST for Simpson County, Mississippi. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- Dec 4, 1993, 6:51 AM CST (12:51 UTC)
- Expired
- Dec 4, 1993, 7:30 AM CST
- In force
- 39 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Simpson County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 0.9 hours before the alert went out and 186 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
- 429 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 502 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 041252 TORJAN MSC127-041330- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 651 AM CST SAT DEC 4 1993 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 730 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN CENTRAL MISSISSIPPI ...SIMPSON COUNTY AT 649 AM...A POSSIBLE TORNADO WAS INDICATED THREE MILES SOUTH OF HARRISVILLE IN SIMPSON COUNTY. THIS STORM IS MOVING TO THE EAST BETWEEN 35 AN 40 MILES AN HOUR...AND WILL LIKELY MOVE NORTH OF PINOLA AND BETWEEN BRAXTON AND MENDENHALL IN THE NORTHERN PART OF THE COUNTY. IF THIS STORM IS NEAR YOU...SEEK SHELTER IMMEDIATELY. SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR APARTMENT. AVOID WINDOWS AND PROTECT YOUR HEAD FROM FLYING DEBRIS WITH CUSHIONS OR PILLOWS. <
What forecasters said that day
The local office's own words before this tornado 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, Dec 4, 3:21 AM CST, 3 hours 30 minutes before
MSZALL-041030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 321 AM CST SAT DEC 4 1993 ...STRONG WINDS TO ACCOMPANY SHOWERS AND THUNDERSTORMS ACROSS SOUTHWEST AND WEST CENTRAL MISSISSIPPI... AT 315 AM CDT...THE LEADING EDGE OF HEAVY RAINSHOWERS STRETCHED FROM NORTHEAST OF VICKSBURG NEAR REDWOOD....BACK TO GRAND GULF AND WOODVILLE IN SOUTHWEST MISSISSIPPI. THE SHOWERS WERE MOVING EAST-NORTHEAST AT 25 TO 30 MILES AN HOUR. AS THESE SHOWERS...AND POSSIBLY A FEW THUNDERSTORMS MOVE INTO SOUTHWEST AND WEST CENTRAL MISSISSIPPI...STRONG AND GUSTY WINDS AT OR ABOVE 40 MILES AN HOUR ARE POSSIBLE. UPPER AIR WINDS ALONG AND BEHIND THESE SHOWERS WERE FAIRLY STRONG...AND WILL LIKELY WORK DOWN TO THE SURFACE. PERSONS LIVING IN SOUTHWEST AND WEST CENTRAL MISSISSIPPI SHOULD BE AWARE OF THE STRONG WINDS. THE WINDS WILL EVENTUALLY DIMINISH AND SHIFT TO THE NORTHWEST FOLLOWING THE PASSAGE OF THE SHOWERS AND THUNDERSTORMS. &
Special weather statement, Dec 4, 3:22 AM CST, 3 hours 29 minutes before
MSZALL-041030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 321 AM CST SAT DEC 4 1993 ...STRONG WINDS TO ACCOMPANY SHOWERS AND THUNDERSTORMS ACROSS SOUTHWEST AND WEST CENTRAL MISSISSIPPI... AT 315 AM CDT...THE LEADING EDGE OF HEAVY RAINSHOWERS STRETCHED FROM NORTHEAST OF VICKSBURG NEAR REDWOOD....BACK TO GRAND GULF AND WOODVILLE IN SOUTHWEST MISSISSIPPI. THE SHOWERS WERE MOVING EAST-NORTHEAST AT 25 TO 30 MILES AN HOUR. AS THESE SHOWERS...AND POSSIBLY A FEW THUNDERSTORMS MOVE INTO SOUTHWEST AND WEST CENTRAL MISSISSIPPI...STRONG AND GUSTY WINDS AT OR ABOVE 40 MILES AN HOUR ARE POSSIBLE. UPPER AIR WINDS ALONG AND BEHIND THESE SHOWERS WERE FAIRLY STRONG...AND WILL LIKELY WORK DOWN TO THE SURFACE. PERSONS LIVING IN SOUTHWEST AND WEST CENTRAL MISSISSIPPI SHOULD BE AWARE OF THE STRONG WINDS. THE WINDS WILL EVENTUALLY DIMINISH AND SHIFT TO THE NORTHWEST FOLLOWING THE PASSAGE OF THE SHOWERS AND THUNDERSTORMS. &
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 3:57 AM CST | Severe Thunderstorm Warning | JAN | Adams, Wilkinson | 33 min |
| Dec 4, 5:26 AM CST | Severe Thunderstorm Warning | JAN | Copiah, Lincoln | 49 min |
| Dec 4, 5:26 AM CST | Severe Thunderstorm Warning | JAN | Warren | 49 min |
| Dec 4, 5:37 AM CST | Tornado Warning | JAN | Amite | 38 min |
| Dec 4, 6:30 AM CST | Tornado Warning | JAN | Pike | 30 min |
| Dec 4, 7:01 AM CST | Tornado Warning | JAN | Jefferson Davis | 29 min |
| Dec 4, 7:51 AM CST | Severe Thunderstorm Warning | JAN | Lamar, Marion | 39 min |
Nearby
Tornado Warnings in Mississippi, 1993Every tornado warning in 1993Tornadoes in 1993
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.