Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 270, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 14, 1997, 4:34 PM CDT for Choctaw County, Webster County, Mississippi. It was in force for 41 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
- May 14, 1997, 4:34 PM CDT (21:34 UTC)
- Expired
- May 14, 1997, 5:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Choctaw County, MS, Webster County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 14, 5:00 PM CDT | Hail 0.75 | Eupora, 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 |
|---|---|---|---|
| May 14, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.6 hours before the alert went out and 150 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
- 257 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 144 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 142137 RRA SVRJAN MSC019-155-142215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 434 PM CDT WED MAY 14 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSISSIPPI ...CHOCTAW COUNTY IN NORTH CENTRAL MISSISSIPPI ...SOUTHERN WEBSTER COUNTY AT 433 PM A SEVERE THUNDERSTORM WAS LOCATED JUST WEST OF TOMNOLEN MOVING EAST-SOUTHEAST AT 35 MPH. THIS STORM WAS RAPIDLY DEVELOPING AND SHOULD P SBETWEEN REFORM AND ACKERMAN BY 500 PM. 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. < 75
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 3:26 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 49 min |
| May 14, 3:37 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 38 min |
| May 14, 3:53 PM CDT | Severe Thunderstorm Warning | JAN | Carroll | 52 min |
| May 14, 4:10 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 50 min |
| May 14, 4:44 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena | 31 min |
| May 14, 4:57 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Holmes | 48 min |
| May 14, 5:15 PM CDT | Tornado Warning | JAN | Attala | 45 min |
| May 14, 5:23 PM CDT | Severe Thunderstorm Warning | JAN | Holmes, Yazoo | 52 min |
| May 14, 5:36 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 54 min |
| May 14, 5:44 PM CDT | Tornado Warning | JAN | Leake, Neshoba | 46 min |
| May 14, 6:21 PM CDT | Severe Thunderstorm Warning | JAN | Montgomery | 39 min |
| May 14, 6:26 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 34 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.