Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 261, NWS Jackson, MS

June 27, 1994Calhoun County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 27, 1994, 1:02 AM CDT for Calhoun County, Mississippi. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1994, 1:02 AM CDT (06:02 UTC)
Expired
Jun 27, 1994, 1:30 AM CDT
In force
28 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Calhoun County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.0 hours before the alert went out and 114 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, Little Rock, AR at 00:00Z on 1994-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3309 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, Little Rock, AR at 00:00Z on 1994-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
3309 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1426 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.2

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
Jun 27, 12:27 AM CDTSevere Thunderstorm WarningJANCalhoun33 min
Jun 27, 1:23 AM CDTTornado WarningJANCalhoun37 min
Jun 27, 1:53 AM CDTTornado WarningJANWebster37 min
Jun 27, 2:35 AM CDTSevere Thunderstorm WarningJANCalhoun, Yalobusha40 min
Jun 27, 2:57 AM CDTSevere Thunderstorm WarningJANNoxubee, Winston63 min
Jun 27, 3:06 AM CDTTornado WarningJANCalhoun, Webster39 min
Jun 27, 4:01 AM CDTFlash Flood WarningJANWebster29 min
Jun 27, 4:01 AM CDTSevere Thunderstorm WarningJANWebster29 min
Jun 27, 4:04 AM CDTSevere Thunderstorm WarningJANKemper, Noxubee56 min
Jun 27, 5:02 AM CDTSevere Thunderstorm WarningJANKemper58 min
Jun 27, 5:27 AM CDTTornado WarningJANKemper48 min
Jun 27, 4:27 AM CDTSevere Thunderstorm WarningJANSumter63 min
Jun 27, 6:12 AM CDTSevere Thunderstorm WarningJANSumter63 min
Jun 27, 7:11 AM CDTSevere Thunderstorm WarningJANSumter64 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994Every severe thunderstorm warning in 1994

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.