Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 324, NWS Jackson, MS

July 26, 1994Washington County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 26, 1994, 8:07 PM CDT for Washington County, Mississippi. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jul 26, 1994, 8:07 PM CDT (01:07 UTC)
Expired
Jul 26, 1994, 8:45 PM CDT
In force
38 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Washington County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.1 hours before the alert went out and 134 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 1994-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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 1994-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
805 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 26, 6:20 PM CDT, 1 hour 47 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE JACKSON MS
620 PM CDT TUE JUL 26 1994

TIME(CDT)     LOCATION            EVENT

530 PM        FLORA/MADISON CO    S. O. REPORTS FEW TREES DOWN.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 9:59 PM CDTFlash Flood WarningJANWashington3 hr
Jul 26, 11:03 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey42 min
Jul 27, 12:07 AM CDTSevere Thunderstorm WarningJANIssaquena, Warren53 min
Jul 27, 12:56 AM CDTSevere Thunderstorm WarningJANWarren49 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.