Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 282, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 19, 1997, 2:30 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
- May 19, 1997, 2:30 PM CDT (19:30 UTC)
- Expired
- May 19, 1997, 3:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Concordia Parish, LA
The radar
The Ft Polk radar (KPOE), 131 km from the middle of the area, began a volume at 19:31 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.5 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
- 738 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 483 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
921 WUUS1 KJAN 191932 RRA SVRJAN LAC029-192000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 230 PM CDT MON MAY 19 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST LOUISIANA ...SOUTHERN CONCORDIA PARISH AT 230 PM A SEVERE THUNDERSTORM WAS INDICATED FROM BLACK HAWK TO SHAW MOVING NORTHEAST AT 25 MPH. THIS STORM SHOULD CROSS THE MISSISSIPPI RIVER BY 245 PM. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DONT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS DONT DRIVE INTO WATER CROSSINGS. < 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 19, 10:35 AM CDT, 3 hours 55 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-200400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1035 AM CDT MON MAY 19 1997 THE AIRMASS OVER THE REGION TODAY IS MOIST AND UNSTABLE. AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE WEST HAS ALREADY TRIGGERED THUNDERSTORM DEVELOPMENT OVER THE SOUTHERN HALF OF MISSISSIPPI...AND THESE STORMS WILL SPREAD FARTHER NORTH DURING THE DAY. OVERNIGHT...THUNDERSTORMS ARE EXPECTED TO BE MOST NUMEROUS ACROSS NORTH MISSISSIPPI AS A COLD FRONT MOVES INTO THE AREA...WITH A CHANCE OF THUNDERSTORMS CONTINUING ACROSS THE REMAINDER OF THE AREA. ALTHOUGH A FEW STORMS MAY BRIEFLY PRODUCE SMALL HAIL OR STRONG WINDS... WIDESPREAD SEVERE WEATHER IS NOT EXPECTED TODAY OR TONIGHT. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE WEATHER PROBABLY WILL NOT BE NECESSARY TODAY OR TONIGHT.
Special weather statement, May 19, 10:37 AM CDT, 3 hours 53 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-200400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1035 AM CDT MON MAY 19 1997 THE AIRMASS OVER THE REGION TODAY IS MOIST AND UNSTABLE. AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE WEST HAS ALREADY TRIGGERED THUNDERSTORM DEVELOPMENT OVER THE SOUTHERN HALF OF MISSISSIPPI...AND THESE STORMS WILL SPREAD FARTHER NORTH DURING THE DAY. OVERNIGHT...THUNDERSTORMS ARE EXPECTED TO BE MOST NUMEROUS ACROSS NORTH MISSISSIPPI AS A COLD FRONT MOVES INTO THE AREA...WITH A CHANCE OF THUNDERSTORMS CONTINUING ACROSS THE REMAINDER OF THE AREA. ALTHOUGH A FEW STORMS MAY BRIEFLY PRODUCE SMALL HAIL OR STRONG WINDS... WIDESPREAD SEVERE WEATHER IS NOT EXPECTED TODAY OR TONIGHT. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE WEATHER PROBABLY WILL NOT BE NECESSARY TODAY OR TONIGHT.
Special weather statement, May 19, 10:45 AM CDT, 3 hours 45 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-200400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1045 AM CDT MON MAY 19 1997 THE AIRMASS OVER THE REGION TODAY IS MOIST AND UNSTABLE. AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE WEST HAS ALREADY TRIGGERED THUNDERSTORM DEVELOPMENT OVER SOUTHERN MISSISSIPPI...AND THESE STORMS WILL SPREAD FARTHER NORTH DURING THE DAY. OVERNIGHT...THUNDERSTORMS ARE EXPECTED TO BE MOST NUMEROUS ACROSS NORTH MISSISSIPPI AS A COLD FRONT MOVES INTO THE AREA...WITH A CHANCE OF THUNDERSTORMS CONTINUING ACROSS THE REMAINDER OF THE REGION. ALTHOUGH A FEW STORMS MAY BRIEFLY PRODUCE SMALL HAIL OR STRONG WINDS... WIDESPREAD SEVERE WEATHER IS NOT EXPECTED TODAY OR TONIGHT. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE WEATHER PROBABLY WILL NOT BE NECESSARY TODAY OR TONIGHT.
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; radar from the NEXRAD Level II archive.