Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 368, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 20, 1997, 10:17 PM CDT for Choctaw County, Mississippi. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1997, 10:17 PM CDT (03:17 UTC)
- Expired
- Jun 20, 1997, 10:45 PM CDT
- In force
- 28 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Choctaw County, MS
The radar
The Columbus AFB radar (KGWX), 105 km from the middle of the area, began a volume at 03:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 3.3 hours before the alert went out and 138 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
- 2015 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
590 WUUS1 KJAN 210319 RRA SVRJAN MSC019-210345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1017 PM CDT FRI JUN 20 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSISSIPPI ...EASTERN CHOCTAW COUNTY AT 1015 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR REFORM IN NORTHEASTERN CHOCTAW COUNTY MOVING TO THE SOUTHEAST 15 MPH. THIS STORM WILL MOVE TO THE OKTIBBEHA COUNTY LINE EAST OF STURGIS AROUND 1045 AM. LARGE HAIL AND HIGH WINDS ARE LIKELY WITH THIS STORM. SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. < 71
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:03 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 57 min |
| Jun 20, 7:15 PM CDT | Tornado Warning | JAN | Clarke | 45 min |
| Jun 20, 8:01 PM CDT | Severe Thunderstorm Warning | JAN | Noxubee | 44 min |
| Jun 20, 8:09 PM CDT | Severe Thunderstorm Warning | JAN | Kemper | 51 min |
| Jun 20, 8:23 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 52 min |
| Jun 20, 9:07 PM CDT | Flash Flood Warning | JAN | Kemper, Lauderdale | 3 hr |
| Jun 20, 9:52 PM CDT | Severe Thunderstorm Warning | JAN | Oktibbeha | 53 min |
| Jun 20, 10:42 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Oktibbeha | 48 min |
| Jun 20, 11:37 PM CDT | Flash Flood Warning | JAN | Choctaw, Oktibbeha, Winston | 2 hr |
| Jun 21, 1:45 AM CDT | Flash Flood Warning | JAN | Choctaw | 3 hr |
| Jun 21, 6:16 PM CDT | Severe Thunderstorm Warning | JAN | Kemper | 44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.