Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 102, NWS Jackson, MS

January 29, 1999Franklin County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 29, 1999, 5:10 PM CST for Franklin County, Mississippi. It was in force for 50 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
Jan 29, 1999, 5:10 PM CST (23:10 UTC)
Expired
Jan 29, 1999, 6:00 PM CST
In force
50 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Franklin County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.2 hours before the alert went out and 121 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 1999-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 1999-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.193958Sfc1 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
55 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Jan 29, 2:09 PM CSTFlash Flood WarningJANHolmes, Humphreys, Leflore, Sharkey, Sunflower, Washington and 1 more6 hr
Jan 29, 2:09 PM CSTFlash Flood WarningJANCarroll, Grenada6 hr
Jan 29, 2:09 PM CSTFlash Flood WarningJANIssaquena6 hr
Jan 29, 2:09 PM CSTFlash Flood WarningJANBolivar6 hr
Jan 29, 2:47 PM CSTSevere Thunderstorm WarningJANHinds, Madison48 min
Jan 29, 2:56 PM CSTSevere Thunderstorm WarningJANRankin49 min
Jan 29, 4:19 PM CSTFlash Flood WarningJANAttala4 hr
Jan 29, 4:33 PM CSTFlash Flood WarningJANAdams5 hr
Jan 29, 4:33 PM CSTFlash Flood WarningJANJefferson5 hr
Jan 29, 5:17 PM CSTTornado WarningJANFranklin33 min
Jan 29, 5:33 PM CSTTornado WarningJANLincoln57 min
Jan 29, 9:06 AM CSTFlash Flood WarningJANEast Carroll, Morehouse, West Carroll2 hr
Jan 29, 11:03 AM CSTFlash Flood WarningJANMorehouse, West Carroll3 hr
Jan 29, 11:03 AM CSTFlash Flood WarningJANEast Carroll, Madison, Richland3 hr
Jan 29, 12:33 PM CSTSevere Thunderstorm WarningJANEast Carroll, Madison47 min
Jan 29, 2:09 PM CSTFlash Flood WarningJANMorehouse, Richland, West Carroll6 hr
Jan 29, 2:09 PM CSTFlash Flood WarningJANMadison6 hr
Jan 29, 4:33 PM CSTFlash Flood WarningJANFranklin5 hr
Jan 29, 9:06 AM CSTFlash Flood WarningJANAshley2 hr
Jan 29, 2:09 PM CSTFlash Flood WarningJANAshley6 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 1999Every severe thunderstorm warning in 1999

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.