Alert archive / Mississippi / Tornado Warnings in 1993
Tornado Warning 16, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Feb 21, 1993, 9:59 AM CST for Simpson County, Smith County, Mississippi. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1993, 9:59 AM CST (15:59 UTC)
- Expired
- Feb 21, 1993, 10:30 AM CST
- In force
- 31 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Simpson County, MS, Smith County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.0 hours before the alert went out and 52 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
- 24 J/kg
- Mixed-layer CIN
- -260 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 508 m²/s²
- 0-3 km storm-relative helicity
- 622 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 211559 TORJAN MSC127-129-211630- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 959 AM CST SUN FEB 21 1993 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1030 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN CENTRAL MISSISSIPPI ...SIMPSON COUNTY...SMITH COUNTY 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, Feb 21, 6:40 AM CST, 3 hours 19 minutes before
MSZALL-211325 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 625 AM CST SUN FEB 21 1993 SEVERE THUNDERSTORM WATCH NUMBER 31 REMAINS IN EFFECT FOR MUCH OF NORTH MISSISSIPPI UNTIL 10 AM CST. THE WATCH AREA IS ALONG AND NORTH OF A LINE FROM GREENVILLE TO GRENADA TO AMORY. AT 625 AM...THUNDERSTORMS...SEVERAL WITH VERY HEAVY RAIN WERE WIDELY SCATTERED OVER CENTRAL MISSISSIPPI AND THE DELTA. THE HEAVIEST THUNDERSTORMS WERE 30 MILES SOUTHWEST OF JACKSON AND 30 MILES NORTH OF GREENVILLE. MOVEMENT WAS NORTHEAST AT 50 MILES AN HOUR. PERSONS IN THE WATCH AREA IN NORTH MISSISSIPPI SHOULD REMAIN ALERT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Feb 21, 7:43 AM CST, 2 hours 16 minutes before
MSZALL-211430 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 730 AM CST SUN FEB 21 1993 ...SEVERE THUNDERSTORM WATCH NUMBER 31 REMAINS IN EFFECT FOR MUCH OF NORTH MISSISSIPPI UNTIL 10 AM CST. THE WATCH AREA IS ALONG AND NORTH OF A LINE FROM GREENVILLE TO GRENADA TO AMORY... ...TORNADO WATCH NUMBER 32 REMAINS IN EFFECT FOR CENTRAL AND SOUTH MISSISSIPPI UNTIL NOON CST... AT 725 AM...THUNDERSTORMS...SEVERAL WITH VERY HEAVY RAIN WERE WIDELY SCATTERED OVER CENTRAL MISSISSIPPI AND THE DELTA. THE STRONGEST THUNDERSTORM IN MISSISSIPPI WAS JUST SOUTH OF FOREST. ANOTHER STRONG THUNDERSTORM WITH VERY HEAVY RAINFALL WAS LOCATED IN NORTHEAST LOUISIANA...JUST WEST OF@ THE MISSISSIPPI RIVER. THIS STORM WAS 20 MILES SOUTHWEST OF VICKSBURG MISSISSIPPI. MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.
Special weather statement, Feb 21, 7:47 AM CST, 2 hours 12 minutes before
MSZ009-012-211445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 744 AM CST SUN FEB 21 1993 ...TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND EAST CENTRAL MISSISSIPPI UNTIL NOON... AT 74O AM MERIDIAN RADAR INDICATED A LARGE AREA OF RAIN WITH A FEW EMBEDDED THUNDERSTORMS OVER MUCH OF EAST CENTRAL MISSISSIPPI AND WEST CENTRAL ALABAMA. THE THUNDERSTORMS AND RAIN WERE LOCATED WITHIN A 100 MILE WIDE AREA EXTENDING FROM NEAR COLUMBIA MISSISSIPPI NORTHEAST THROUGH MERIDIAN TO NEAR FAYETTE ALABAMA. THE STRONGEST THUNDERSTORMS WERE LOCATED BETWEEN MERIDIAN AND NEWTON IN EAST CENTRAL MISSISSIPPI. THE THUNDERSTORMS AND RAIN WERE MOVING TO THE EAST AT 35 MPH. P
Special weather statement, Feb 21, 8:50 AM CST, 1 hour 9 minutes before
MSZ009-012-ALZ008-013-211545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 850 AM CST SUN FEB 21 1993 ...TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND EAST CENTRAL MISSISSIPPI UNTIL NOON... AT 840 AM CST MERIDIAN WEATHER RADAR INDICATED RAIN WITH A FEW EMBEDDED THUNDERSTORMS COVERING A LARGE PART OF SOUTH CENTRAL AND EAST CENTRAL MISSISSIPPI AND WEST CENTRAL ALABAMA. THE RAIN AND THUNDERSTORMS WERE LOCATED WITHIN A 100 MILE WIDE AREA EXTENDING FROM NEAR MCCOMB MISSISSIPPI NORTHEAST THROUGH MERIDIAN TO NEAR TUSCALOOSA ALABAMA. THE STRONGEST THUNDERSTORMS WERE INDICATED BETWEEN RALEIGH AND STRINGER IN CENTRAL MISSISSIPPI. LITTLE CHANGE IN COVERAGE OR INTENSIpTY HAS BEEN INDICATED DURING THE PAST HOUR. THE RAIN AND THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MPH.
Special weather statement, Feb 21, 9:26 AM CST, 33 minutes before
MSZALL-211300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 925 AM CST SUN FEB 21 1993 SEVERE THUNDERSTORM WATCH NUMBER 31 FOR NORTH MISSISSIPPI HAS BEEN CANCELLED. THUNDERSTORMS HAVE MOVED CLEAR THE THE WATCH AREA. HOWEVER TORNADO WATCH NUMBER 32 FOR CENTRAL AND SOUTH MISSISSIPPI REMAINS IN EFFECT UNTIL 12 NOON THIS SUNDAY MORNING.
Special weather statement, Feb 21, 9:52 AM CST, 7 minutes before
MSZ009-012-211700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 951 AM CST SUN FEB 21 1993 ...TORNADO WATCH NUMBER 32 FOR MUCH OF CENTRAL AND SOUTHERN MISSISSIPPI CONTINUES UNTIL NOON CST... AT 941 AM CST...RADAR INDICATED RAIN WITH SEVERAL STRONG THUNDER STORMS CONTINUED GENERALLY SOUTH OF A LINE FROM JACKSON TO MERIDIAN MISSISSIPPI AND INTO ALABAMA TO DIXON MILLS. THE STRONGER THUNDERSTORM OVER CENTRAL MISSISSIPPI WAS NOTED 5 MILES SOUTHWEST OF NEWTON OVER NEWTON COUNTY. OTHER INTENSE STORMS WERE APPARENT OVER MISSISSIPPI SOUTH OF JACKSON. THE STORMS WERE MOVING EAST AT 50 MILES AN HOUR. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD CONTINUE TO BE ALERT& FOR THREATENING WEATHER CONDITIONS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 7:43 AM CST | Severe Thunderstorm Warning | JAN | Claiborne, Warren | 32 min |
| Feb 21, 8:01 AM CST | Severe Thunderstorm Warning | JAN | Hinds | 44 min |
| Feb 21, 8:58 AM CST | Severe Thunderstorm Warning | JAN | Copiah | 32 min |
| Feb 21, 9:11 AM CST | Tornado Warning | JAN | Copiah | 34 min |
| Feb 21, 11:45 AM CST | Tornado Warning | JAN | Clarke, Jasper | 60 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.