Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 406, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 5, 1997, 4:27 PM CDT for Lamar County, Mississippi. It was in force for 33 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
- Jul 5, 1997, 4:27 PM CDT (21:27 UTC)
- Expired
- Jul 5, 1997, 5:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Lamar County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 5, 4:35 PM CDT | Hail 1 | Lumberton, 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.5 hours before the alert went out and 108 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
- 2651 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1061 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -20 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 052128 RRA SVRJAN MSC073-052200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 427 PM CDT SAT JUL 5 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSISSIPPI ...LAMAR COUNTY AT 425 RADAR INDICATED A SEVERE THUNDERSTORM NEAR LUMBERTON...MOVING NORTHEAST AT 15 MPH. IT MOVE ALONG HIGHWAY 59 TOWARD THE PURVIS AREA. 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. <
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, Jul 5, 10:28 AM CDT, 5 hours 59 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-060400- AREA THUNDERSTORM OUTLOOK ...DATE/TIME CORRECTED... NATIONAL WEATHER SERVICE JACKSON MS 1020 AM CDT SAT JUL 5 1997 A WEAK FTRONTAL TROUGH WILL BE MOVING SLOWLY SOUTH OVER THE SOUTHERN PORTIONS OF THE AREA TODAY TO BECOME STATIONARY NEAR THE MISSISSIPPI GULF COAST TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON OVER SOUTHERN PARTS OF THE AREA NEAR AND SOUTH OF THE FRONT. ACROSS CENTRAL MISSISSIPPI INTO NORTHEAST LOUISIANA...ONLY WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO EVENING. SOME OF THE STORMS ACROSS THE SOUTHERN PARTS OF THE AREA WILL BE STRONG AND COULD PRODUCE SMALL HAIL AND STRONG GUSTY WINDS. SEVERE WEATHER...IF ANY OCCURRS THIS AFTERNOON OR TONIGHT...SHOULD BE LIMITED TO ISOLATED REPORTS OF HAIL OF 3/4 INCH IN DIAMETER OR MORE. IT WILL NOT BE NECESARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS... HAM RADIO OPERATORS OR EMERGENCY MANAGEMENT SPECIALISTS IN SEVERE WEATHER DETECTION AND WARNING ACTIVITIES THIS AFTERNOON OR TONIGHT.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:33 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 42 min |
| Jul 4, 9:05 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 40 min |
| Jul 4, 9:05 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys | 40 min |
| Jul 4, 9:16 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 29 min |
| Jul 4, 9:55 PM CDT | Severe Thunderstorm Warning | JAN | Warren, Yazoo | 35 min |
| Jul 4, 10:04 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison | 41 min |
| Jul 4, 11:17 PM CDT | Severe Thunderstorm Warning | JAN | Attala | 28 min |
| Jul 4, 11:33 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Neshoba | 42 min |
| Jul 4, 11:54 PM CDT | Severe Thunderstorm Warning | JAN | Winston | 51 min |
| Jul 5, 12:09 AM CDT | Severe Thunderstorm Warning | JAN | Noxubee | 51 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.