Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 410, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 8, 1997, 3:30 PM CDT for Concordia Parish, Louisiana. It was in force for 30 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
- Jul 8, 1997, 3:30 PM CDT (20:30 UTC)
- Expired
- Jul 8, 1997, 4:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Concordia Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.5 hours before the alert went out and 176 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
- 982 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 082031 RRA SVRJAN LAC029-082100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 330 PM CDT TUE JUL 8 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST LOUISIANA ...SOUTHERN CONCORDIA PARISH AT 329 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHERN CONCORDIA PARISH BETWEEN ACME AND SLOCUM MOVING SLOWLY NORTHEAST AT 10 MPH. THIS STORM WILL AFFECT THE AREA BETWEEN ACME AND SLOCUM THROUGH 4 PM. DAMAGING WINDS...LARGE HAIL...AND VERY HEAVY RAINFALL CAN BE EXPECTED WITH THIS STORM. PEOPLE NEAR THE xSTORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS DON'T DRIVE INTO WATER CROSSINGS. < 63
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 8, 10:15 AM CDT, 5 hours 15 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-090400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT TUE JUL 8 1997 SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AS TEMPERATURES PUSH TOWARD THE LOWER 90S THIS AFTERNOON. A LINGERING UPPER LEVEL DISTURBANCE AND PLENTY OF POTENTIAL INSTABILITY EXIST FOR ISOLATED STORMS TO BECOME QUITE STRONG. THERE COULD ALSO BE AN OUTFLOW BOUNDARY PUSHING INTO NORTHERN PORTIONS OF THE AREA EARLY THIS EVENING FROM A COMPLEX OF THUNDERSTORMS MOVING EASTWARD FROM THE OZARKS. MORNING AIRMASS ANALYSES INDICATE THAT THERE IS A MODERATE POTENTIAL FOR WET MICROBURST ACTIVITY AND MOST STORMS THAT DEVELOP SHOULD MOVE EASTWARD AT ABOUT 15 MPH. SINCE NO WIDESPREAD SEVERE WEATHER IS ANTICIPATED AT THIS TIME...IT SHOULD NOT BE NECESSARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS... HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE STORM DETECTION THROUGH TONIGHT.
Special weather statement, Jul 8, 10:23 AM CDT, 5 hours 7 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-090400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT TUE JUL 8 1997 SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AS TEMPERATURES PUSH TOWARD THE LOWER 90S THIS AFTERNOON. A LINGERING UPPER LEVEL DISTURBANCE AND PLENTY OF POTENTIAL INSTABILITY EXIST FOR ISOLATED STORMS TO BECOME QUITE STRONG. THERE COULD ALSO BE AN OUTFLOW BOUNDARY PUSHING INTO NORTHERN PORTIONS OF THE AREA EARLY THIS EVENING FROM A COMPLEX OF THUNDERSTORMS MOVING EASTWARD FROM THE OZARKS. MORNING AIRMASS ANALYSES INDICATE THAT THERE IS A MODERATE POTENTIAL FOR WET MICROBURST ACTIVITY AND MOST STORMS THAT DEVELOP SHOULD MOVE EASTWARD AT ABOUT 15 MPH. SINCE NO WIDESPREAD SEVERE WEATHER IS ANTICIPATED AT THIS TIME...IT SHOULD NOT BE NECESSARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS... HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE STORM DETLECTION THROUGH TONIGHT.
Special weather statement, Jul 8, 10:25 AM CDT, 5 hours 5 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-090400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CDT TUE JUL 8 1997 SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AS TEMPERATURES PUSH TOWARD THE LOWER 90S THIS AFTERNOON. A LINGERING UPPER LEVEL DISTURBANCE AND PLENTY OF INSTABILITY EXIST FOR ISOLATED STORMS TO BECOME QUITE STRONG...ESPECIALLY OVER THE DELTA REGION. THERE COULD ALSO BE AN OUTFLOW BOUNDARY PUSHING INTO NORTHERN PORTIONS OF THE AREA EARLY THIS EVENING FROM A COMPLEX OF THUNDERSTORMS MOVING EASTWARD FROM THE OZARKS. MORNING AIRMASS ANALYSES INDICATE THERE IS A MODERATE POTENTIAL FOR WET MICROBURST ACTIVITY FROM JUST ABOUT ANY STORM THAT DEVELOPS AND MOST THUNDERSTORMS SHOULD MOVE EASTWARD AT ABOUT 15 MPH. NO WIDESPREAD SEVERE WEATHER IS ANTICIPATED AT THIS TIME AND IT SHOULD NOT BE NECESSARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS...HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE STORM DETECTION THROUGH TONIGHT.
Special weather statement, Jul 8, 10:32 AM CDT, 4 hours 58 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-090400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CDT TUE JUL 8 1997 SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AS TEMPERATURES PUSH TOWARD THE LOWER 90S THIS AFTERNOON. A LINGERING UPPER LEVEL DISTURBANCE AND PLENTY OF INSTABILITY EXIST FOR ISOLATED STORMS TO BECOME QUITE STRONG...ESPECIALLY OVER THE DELTA REGION. THERE COULD ALSO BE AN OUTFLOW BOUNDARY PUSHING INTO NORTHERN PORTIONS OF THE AREA EARLY THIS EVENING FROM A COMPLEX OF THUNDERSTORMS MOVING EASTWARD FROM THE OZARKS. MORNING AIRMASS ANALYSES INDICATE THERE IS A MODERATE POTENTIAL FOR WET MICROBURST ACTIVITY FROM JUST ABOUT ANY STORM THAT DEVELOPS AND MOST THUNDERSTORMS SHOULD MOVE EASTWARD AT ABOUT 15 MPH. NO WIDESPREAD SEVERE WEATHER IS ANTICIPATED AT THIS TIME AND IT SHOULD NOT BE NECESSARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS...HAM RADIO OPERATORS...OR EM ERGENCY MANAGEMENT PERSONNEL FOR SEVERE STORM DETECTION THROUGH TONIGHT.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 4:45 PM CDT | Severe Thunderstorm Warning | JAN | Concordia | 30 min |
| Jul 8, 5:53 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll | 37 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 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.