Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 268, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 14, 1997, 3:53 PM CDT for Carroll County, Mississippi. It was in force for 52 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, 3:53 PM CDT (20:53 UTC)
- Expired
- May 14, 1997, 4:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Carroll County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 14, 4:15 PM CDT | Hail 0.75 | Vaiden, 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, 8.9 hours before the alert went out and 126 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 5 hours 23 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, 5 hours 22 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, 3:26 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 49 min |
| May 14, 3:37 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 38 min |
| May 14, 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.