Alert archive / Mississippi / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 94, NWS Jackson, MS

December 15, 1987Kemper County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Dec 15, 1987, 12:26 AM CST for Kemper County, Mississippi. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Dec 15, 1987, 12:26 AM CST (06:26 UTC)
Expired
Dec 15, 1987, 1:00 AM CST
In force
34 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Kemper County, MS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 6.4 hours before the alert went out and 136 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, Centreville/Bibb, AL at 00:00Z on 1987-12-15Temperature 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, Centreville/Bibb, AL at 00:00Z on 1987-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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
Dec 14, 9:39 PM CSTSevere Thunderstorm WarningJANWarren51 min
Dec 14, 9:52 PM CSTSevere Thunderstorm WarningJANHolmes, Humphreys, Leflore, Sunflower53 min
Dec 14, 10:13 PM CSTSevere Thunderstorm WarningJANMadison62 min
Dec 14, 10:32 PM CSTSevere Thunderstorm WarningJANCopiah28 min
Dec 14, 10:37 PM CSTSevere Thunderstorm WarningJANCarroll23 min
Dec 14, 10:53 PM CSTSevere Thunderstorm WarningJANRankin37 min
Dec 14, 10:59 PM CSTSevere Thunderstorm WarningJANAttala46 min
Dec 14, 11:30 PM CSTSevere Thunderstorm WarningJANScott30 min
Dec 14, 11:35 PM CSTSevere Thunderstorm WarningJANJefferson Davis25 min
Dec 14, 11:40 PM CSTSevere Thunderstorm WarningJANWinston35 min
Dec 14, 11:52 PM CSTSevere Thunderstorm WarningJANNewton33 min
Dec 15, 12:03 AM CSTSevere Thunderstorm WarningJANNeshoba32 min
Dec 15, 12:43 AM CSTSevere Thunderstorm WarningJANClarke42 min
Dec 15, 12:49 AM CSTSevere Thunderstorm WarningJANLauderdale46 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1987Every severe thunderstorm warning in 1987

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.