Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 266, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 14, 1997, 3:26 PM CDT for Leflore County, Mississippi. It was in force for 49 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, 3:26 PM CDT (20:26 UTC)
- Expired
- May 14, 1997, 4:15 PM CDT
- In force
- 49 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Leflore County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 14, 3:50 PM CDT | Hail 0.75 | Minter City, 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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.4 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
- 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.
350 WUUS1 KJAN 142029 RRA SVRJAN MSC083-142115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 326 PM CDT WED MAY 14 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL MISSISSIPPI ...SOUTHERN LEFLORE COUNTY AT 326 PM DOPPLER RADAR IN JACKSON INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF ITTA BENA...MOVING TO THE EAST AT 30 MILES AN HOUR. THE STORM WILL APPROACH GREENWOOD AND SIDON BY 345 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
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, May 14, 10:30 AM CDT, 4 hours 56 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-150400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CDT WED MAY 14 1997 THE AIRMASS OVER THE STATE HAS GAINED SOME MOISTURE IN THE PAST 24 HOURS. CONDITIONS HAVE ALSO BECOME MARGINALLY UNSTABLE. THESE FACTORS COMBINED WITH AFTERNOON HEATING AND THE APPROACH OF A COLD FRONT WILL TRIGGER SOME SCATTERED SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT. AT THIS TIME...STORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. ACTIVITION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL AND HAM RADIO OPERATORS RADIO OPERATORS SHOULD NOT BE REQUIRED TODAY OR TONIGHT.
Special weather statement, May 14, 10:31 AM CDT, 4 hours 55 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-150400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CDT WED MAY 14 1997 THE AIRMASS OVER THE STATE HAS GAINED SOME MOISTURE IN THE PAST 24 HOURS. CONDITIONS HAVE ALSO BECOME MARGINALLY UNSTABLE. THESE FACTORS COMBINED WITH AFTERNOON HEATING AND THE APPROACH OF A COLD FRONT WILL TRIGGER SOME SCATTERED SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT. AT THIS TIME...STORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. ACTIVITION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL AND HAM RADIO OPERATORS RADIO OPERATORS SHOULD NOT BE REQUIRED TODAY OR TONIGHT.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 4:34 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Webster | 41 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.