Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 92, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 21, 1997, 5:43 AM CST for Covington County, Smith County, Mississippi. It was in force for 47 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 21, 1997, 5:43 AM CST (11:43 UTC)
- Expired
- Feb 21, 1997, 6:30 AM CST
- In force
- 47 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Covington County, MS, Smith County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 21, 6:00 AM CST | Thunderstorm Wind | Collins, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 21, 4:45 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 11.7 hours before the alert went out and 76 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1491 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 316 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 KJAN 211144 RRA SVRJAN MSC129-031-211230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 543 AM CST FRI FEB 21 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSISSIPPI ...SMITH COUNTY IN SOUTH CENTRAL MISSISSIPPI ...COVINGTON COUNTY AT 543 AM RADAR INDICATED A SEVERE THUNDERSTORM NEAR MOUNT OLIVE MOVING NORTHEAST NEAR 50 MPH. THIS STORM SHOULD MOVE TO TAYLORSVILLE BY 615 AM. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. < 55
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 21, 5:20 AM CST, 23 minutes before
MSZ029-032-033-038-044-049-050-211215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 520 AM CST FRI FEB 21 1997 TORNADO WATCH NUMBER 55 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN MISSISSIPPI... WEBSTER...CHOCTAW...OKTIBBEHA...WINSTON...LEAKE...RANKIN...AND SCOTT. THE LINE OF THUNDERSTORMS HAS MOVED INTO EXTREME EAST MISSISSIPPI AND IS NO LONGER A THREAT TO THE LISTED COUNTIES.
Special weather statement, Feb 21, 5:26 AM CST, 17 minutes before
MSZ029-032-033-038-044-049-050-211215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 520 AM CST FRI FEB 21 1997 TORNADO WATCH NUMBER 55 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN MISSISSIPPI... WEBSTER...CHOCTAW...OKTIBBEHA...WINSTON...LEAKE...RANKIN...AND SCOTT. THE LINE OF THUNDERSTORMS HAS MOVED INTO EXTREME EAST MISSISSIPPI AND IS NO LONGER A THREAT TO THE LISTED COUNTIES.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 1:34 AM CST | Severe Thunderstorm Warning | JAN | Adams | 41 min |
| Feb 21, 1:55 AM CST | Severe Thunderstorm Warning | JAN | Franklin, Jefferson | 65 min |
| Feb 21, 2:01 AM CST | Severe Thunderstorm Warning | JAN | Claiborne | 59 min |
| Feb 21, 2:05 AM CST | Severe Thunderstorm Warning | JAN | Sunflower | 40 min |
| Feb 21, 2:13 AM CST | Severe Thunderstorm Warning | JAN | Warren | 47 min |
| Feb 21, 2:29 AM CST | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 61 min |
| Feb 21, 2:34 AM CST | Severe Thunderstorm Warning | JAN | Lincoln | 56 min |
| Feb 21, 2:48 AM CST | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 57 min |
| Feb 21, 3:03 AM CST | Severe Thunderstorm Warning | JAN | Rankin, Simpson | 42 min |
| Feb 21, 3:08 AM CST | Severe Thunderstorm Warning | JAN | Holmes | 52 min |
| Feb 21, 3:21 AM CST | Severe Thunderstorm Warning | JAN | Carroll | 54 min |
| Feb 21, 3:34 AM CST | Severe Thunderstorm Warning | JAN | Scott | 56 min |
| Feb 21, 3:46 AM CST | Tornado Warning | JAN | Scott | 44 min |
| Feb 21, 3:55 AM CST | Severe Thunderstorm Warning | JAN | Attala, Leake, Montgomery | 65 min |
| Feb 21, 4:05 AM CST | Tornado Warning | JAN | Leake | 40 min |
| Feb 21, 4:14 AM CST | Severe Thunderstorm Warning | JAN | Choctaw, Webster | 46 min |
| Feb 21, 4:17 AM CST | Severe Thunderstorm Warning | JAN | Smith | 43 min |
| Feb 21, 4:20 AM CST | Tornado Warning | JAN | Neshoba | 40 min |
| Feb 21, 4:30 AM CST | Severe Thunderstorm Warning | JAN | Winston | 45 min |
| Feb 21, 4:34 AM CST | Severe Thunderstorm Warning | JAN | Newton | 41 min |
| Feb 21, 4:52 AM CST | Severe Thunderstorm Warning | JAN | Oktibbeha | 38 min |
| Feb 21, 4:57 AM CST | Severe Thunderstorm Warning | JAN | Kemper, Noxubee | 48 min |
| Feb 21, 5:29 AM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis | 31 min |
| Feb 21, 5:38 AM CST | Severe Thunderstorm Warning | JAN | Marion | 52 min |
| Feb 21, 6:12 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 48 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997
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.