Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 159, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 11, 1997, 1:31 PM CDT for Marion County, Mississippi. It was in force for 44 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
- Apr 11, 1997, 1:31 PM CDT (18:31 UTC)
- Expired
- Apr 11, 1997, 2:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Marion County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 6.5 hours before the alert went out and 124 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 354 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 111831 RRA SVRJAN MSC091-111915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 131 PM CDT FRI APR 11 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MISSISSIPPI ...MARION COUNTY AT 126 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE WALTHALL/MARION COUNTY LINE. THIS STORM WAS MOVING NORTHEAST AT 35 MPH...AND HAS A HISTORY OF PRODUCING DAMAGING WINDS. COMMUNITIES IN THE PATH OF THIS STORM INCLUDE KOKOMO AND MORGANTOWN. PEOPLE NEAR THE STORM 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. < 64
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, Apr 11, 10:15 AM CDT, 3 hours 16 minutes before
MSZ001>082-120400- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT FRI APR 11 1997 SCATTERED TO NUMEROUS THUNDERSTORMS DEVELOPING OVER SOUTH MISSISSIPPI WILL MOVE EASTWARD THIS AFTERNOON WHILE ALSO SPREADING NORTHWARD. THE STRONGER STORMS SHOULD REMAIN OVER SOUTH MISSISSIPPI DURING THE DAYLIGHT HOURS WHERE A FEW COULD REACH SEVERE LIMITS...MAINLY NEAR THE COAST. DAMAGING WIND GUSTS AND LARGE HAIL WILL BE THE PRIMARY THREAT IN THOSE AREAS. A STRONG COLD FRONT FROM THE OZARKS INTO CENTRAL TEXAS WILL SWEEP INTO MISSISSIPPI TONIGHT. THUNDERSTORMS WILL BE NUMEROUS STATEWIDE AS THE FRONT PASSES AND ISOLATED STORMS COULD ALSO CONTAIN STRONG GUSTY WINDS AND SOME HAIL. DUE TO LIMITED INSTABILITY...MOST OF THE STORMS TONIGHT ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL BE LIKELY THROUGH EARLY TONIGHT...MAINLY FOR SOUTHERN COUNTIES WHERE SEVERE THUNDERSTORM WATCH NUMBER 155 IS ALREADY IN EFFECT.
Special weather statement, Apr 11, 10:23 AM CDT, 3 hours 8 minutes before
MSZ001>082-120400- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT FRI APR 11 1997 SCATTERED TO NUMEROUS THUNDERSTORMS DEVELOPING OVER SOUTH MISSISSIPPI WILL MOVE EASTWARD THIS AFTERNOON WHILE ALSO SPREADING NORTHWARD. THE STRONGER STORMS SHOULD REMAIN OVER SOUTH MISSISSIPPI DURING THE DAYLIGHT HOURS WHERE A FEW COULD REACH SEVERE LIMITS...MAINLY NEAR THE COAST. DAMAGING WIND GUSTS AND LARGE HAIL WILL BE THE PRIMARY THREAT IN THOSE AREAS. A STRONG COLD FRONT FROM THE OZARKS INTO CENTRAL TEXAS WILL SWEEP INTO MISSISSIPPI TONIGHT. THUNDERSTORMS WILL BE NUMEROUS STATEWIDE AS THE FRONT PASSES AND ISOLATED STORMS COULD ALSO CONTAIN STRONG GUSTY WINDS AND SOME HAIL. DUE TO LIMITED INSTABILITY...MOST OF THE STORMS TONIGHT ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL BE LIKELY THROUGH EARLY TONIGHT...MAINLY FOR SO$UTHERN COUNTIES WHERE SEVERE THUNDERSTORM WATCH NUMBER 155 IS ALREADY IN EFFECT.
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; the sounding from the Mesonet's radiosonde archive.