Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 27, NWS Jackson, MS

January 24, 1997Jefferson Davis County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 24, 1997, 4:06 AM CST for Jefferson Davis County, Mississippi. It was in force for 39 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
Jan 24, 1997, 4:06 AM CST (10:06 UTC)
Expired
Jan 24, 1997, 4:45 AM CST
In force
39 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Jefferson Davis County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.1 hours before the alert went out and 87 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 00:00Z on 1997-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 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 00:00Z on 1997-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 square meters per square second.1939587897Sfc1 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
249 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
316 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 241009 RRA
SVRJAN
MSC065-241045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
406 AM CST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...JEFFERSON DAVIS COUNTY
 
AT 406 AM RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES SOUTH OF
PRENTISS MOVING NORTHEAST AT 45 MILES AN HOUR. THIS MOTION WILL TAKE THE
STORM NEAR BASSFIELD BY 420 AM.
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
 
 
71

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 10:51 PM CSTSevere Thunderstorm WarningJANIssaquena39 min
Jan 23, 11:05 PM CSTSevere Thunderstorm WarningJANWarren40 min
Jan 23, 11:05 PM CSTSevere Thunderstorm WarningJANHumphreys, Sharkey40 min
Jan 23, 11:14 PM CSTSevere Thunderstorm WarningJANYazoo46 min
Jan 23, 11:28 PM CSTSevere Thunderstorm WarningJANMadison47 min
Jan 24, 12:13 AM CSTSevere Thunderstorm WarningJANAttala, Leake47 min
Jan 24, 4:59 AM CSTSevere Thunderstorm WarningJANJones31 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.