Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 161, NWS Jackson, MS

April 16, 1998Carroll County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 16, 1998, 6:28 PM CDT for Carroll County, Mississippi. It was in force for 47 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 16, 1998, 6:28 PM CDT (23:28 UTC)
Expired
Apr 16, 1998, 7:15 PM CDT
In force
47 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Carroll County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 16, 4:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.5 hours before the alert went out and 126 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 1998-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 971 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 1998-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 418 square meters per square second.1939587897117136Sfc1 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
971 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
418 m²/s²
0-3 km storm-relative helicity
464 m²/s²
Significant tornado parameter
2.1
Supercell composite
5.7

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
Apr 16, 4:07 PM CDTSevere Thunderstorm WarningJANBolivar33 min
Apr 16, 4:27 PM CDTSevere Thunderstorm WarningJANSunflower33 min
Apr 16, 4:39 PM CDTTornado WarningJANBolivar46 min
Apr 16, 4:53 PM CDTTornado WarningJANSunflower47 min
Apr 16, 5:02 PM CDTSevere Thunderstorm WarningJANOktibbeha48 min
Apr 16, 5:17 PM CDTTornado WarningJANLeflore43 min
Apr 16, 5:45 PM CDTSevere Thunderstorm WarningJANGrenada45 min
Apr 16, 5:54 PM CDTSevere Thunderstorm WarningJANSimpson46 min
Apr 16, 6:38 PM CDTSevere Thunderstorm WarningJANGrenada32 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning in 1998

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.