Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 471, NWS Jackson, MS

October 23, 1997Adams County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Oct 23, 1997, 11:27 PM CDT for Adams County, Mississippi. It was in force for 33 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
Oct 23, 1997, 11:27 PM CDT (04:27 UTC)
Expired
Oct 24, 1997, 12:00 AM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Adams County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.5 hours before the alert went out and 152 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 1997-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 11:53 PM CDTTornado WarningJANAdams, Jefferson37 min
Oct 24, 12:21 AM CDTSevere Thunderstorm WarningJANYazoo39 min
Oct 24, 12:23 AM CDTTornado WarningJANClaiborne, Jefferson37 min
Oct 24, 12:37 AM CDTTornado WarningJANCopiah53 min
Oct 24, 12:59 AM CDTSevere Thunderstorm WarningJANClaiborne, Warren31 min
Oct 24, 1:05 AM CDTTornado WarningJANHinds, Madison25 min
Oct 24, 1:14 AM CDTSevere Thunderstorm WarningJANAttala31 min
Oct 24, 1:29 AM CDTTornado WarningJANMadison31 min
Oct 24, 1:32 AM CDTSevere Thunderstorm WarningJANClaiborne, Hinds28 min
Oct 24, 1:46 AM CDTSevere Thunderstorm WarningJANJefferson29 min
Oct 24, 1:57 AM CDTTornado WarningJANRankin33 min
Oct 24, 2:03 AM CDTSevere Thunderstorm WarningJANMadison27 min
Oct 24, 2:08 AM CDTSevere Thunderstorm WarningJANKemper52 min
Oct 24, 4:31 PM CDTSevere Thunderstorm WarningJANLamar29 min
Oct 24, 4:34 PM CDTSevere Thunderstorm WarningJANForrest26 min
Oct 23, 11:04 PM CDTSevere Thunderstorm WarningJANMadison26 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.