Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 104, NWS Jackson, MS

February 28, 1997Jefferson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 28, 1997, 2:33 PM CST for Jefferson County, Mississippi. It was in force for 27 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
Feb 28, 1997, 2:33 PM CST (20:33 UTC)
Expired
Feb 28, 1997, 3:00 PM CST
In force
27 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Jefferson County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.6 hours before the alert went out and 111 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 1997-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1997-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
146 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAN 282036 RRA
SVRJAN
MSC063-282100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
233 PM CST FRI FEB 28 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST MISSISSIPPI
 
   ...JEFFERSON COUNTY
 
AT 231 PM...JACKSON RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 7 MILES
SOUTHWEST OF FAYETTE. THE STORM WAS MOVING TO THE NORTHEAST ABOUT 45
MPH.
 
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS.  DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
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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, Feb 28, 10:10 AM CST, 4 hours 23 minutes before
MSZ001>082-290400-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CST FRI FEB 28 1997

A WARM FRONT THAT WAS LOCATED ACROSS CENTRAL MISSISSIPPI THIS MORNING
WILL MOVE NORTH ACROSS THE STATE TODAY AND LIFT NORTH OF THE AREA BY
TONIGHT. INCREASING SOUTHERLY WIND BEHIND THE FRONT WILL USHER A MOIST
AND INCREASINGLY UNSTABLE AIR MASS INTO THE REGION. SCATTERED SHOWERS
AND A FEW THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT. THERE IS A
SLIGHT CHANCE THAT SOME THUNDERSTORMS COULD BECOME SEVERE BUT MOST
ACTIVITY WILL REMAIN BELOW SEVERE LIMITS DUE TO LIMITED DYNAMICS IN
THE AREA.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT/CIVIL DEFENSE PERSONNEL IS NOT EXPECTED TODAY OR
TONIGHT.
Special weather statement, Feb 28, 10:17 AM CST, 4 hours 16 minutes before
MSZ001>082-290400-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CST FRI FEB 28 1997

A WARM FRONT THAT WAS LOCATED ACROSS CENTRAL MISSISSIPPI THIS MORNING
WILL MOVE NORTH ACROSS THE STATE TODAY AND LIFT NORTH OF THE AREA BY
TONIGHT. INCREASING SOUTHERLY WIND BEHIND THE FRONT WILL USHER A MOIST
AND INCREASINGLY UNSTABLE AIR MASS INTO THE REGION. SCATTERED SHOWERS
AND A FEW THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT. THERE IS A
SLIGHT CHANCE THAT SOME THUNDERSTORMS COULD BECOME SEVERE BUT MOST
ACTIVITY WILL REMAIN BELOW SEVERE LIMITS DUE TO LIMITED DYNAMICS IN
THE AREA.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT/CIVIL DEFENSE PERSONNEL IS NOT EXPECTED TODAY OR
TONIGHT.
Local storm report, Feb 28, 2:19 PM CST, 14 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION TO YESTERDAYS LSR
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
220 PM CST THU FEB 27 1997

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 PM    HAMBURG                   AR   60 MPH TSTM GUST
02/26/97   ASHLEY                         REPORTED IN HAMBURG
                                          BY S.O.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 2:53 PM CSTSevere Thunderstorm WarningJANClaiborne37 min
Feb 28, 3:25 PM CSTTornado WarningJANClaiborne35 min
Feb 28, 3:39 PM CSTTornado WarningJANHinds, Warren51 min
Feb 28, 4:20 PM CSTTornado WarningJANHinds, Madison40 min
Feb 28, 4:22 PM CSTSevere Thunderstorm WarningJANSunflower38 min
Feb 28, 4:40 PM CSTTornado WarningJANYazoo65 min
Feb 28, 5:25 PM CSTTornado WarningJANAttala, Holmes35 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; the sounding from the Mesonet's radiosonde archive.