Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 199, NWS Jackson, MS

April 20, 1995Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 20, 1995, 7:01 PM CDT for Catahoula Parish, Concordia Parish, Louisiana. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1995, 7:01 PM CDT (00:01 UTC)
Expired
Apr 20, 1995, 7:45 PM CDT
In force
44 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Catahoula Parish, LA, Concordia Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.0 hours before the alert went out and 178 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 1995-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2096 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 1995-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 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
2096 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
4.0
Supercell composite
14.0

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, Apr 20, 1:38 PM CDT, 5 hours 23 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
135 PM CDT THU APR 20 1995

TIME (CST)    LOCATION           REPORT

ESTIMATED
1236 PM CDT   N OF WAVERLY LA    TORNADO ON GROUND NORTH OF WAVERLY
              MADISON PARISH     REPORTED BY SHERIFF...BASEBALL SIZE
                                 HAIL ALSO.

1244 PM       5N ONWARD MS       PEA SIZED HAIL REPORTED BY HAM
              SHARKEY CO

130 PM        FITLER MS          TREES DOWN NEAR FITLER...REPORTED BY
              ISSAQUENA CO       HAM OPERATOR

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:19 PM CDTTornado WarningJANHinds, Rankin41 min
Apr 20, 7:41 PM CDTTornado WarningJANLeake49 min
Apr 20, 7:46 PM CDTSevere Thunderstorm WarningJANMadison29 min
Apr 20, 7:53 PM CDTSevere Thunderstorm WarningJANAdams52 min
Apr 20, 8:03 PM CDTTornado WarningJANHinds42 min
Apr 20, 8:14 PM CDTFlash Flood WarningJANHinds, Madison3 hr
Apr 20, 8:14 PM CDTFlash Flood WarningJANLeake3 hr
Apr 20, 8:16 PM CDTTornado WarningJANLeake, Neshoba44 min
Apr 20, 8:44 PM CDTFlash Flood WarningJANHinds3 hr
Apr 20, 9:25 PM CDTSevere Thunderstorm WarningJANNoxubee50 min
Apr 20, 10:39 PM CDTSevere Thunderstorm WarningJANJasper51 min
Apr 20, 11:08 PM CDTSevere Thunderstorm WarningJANLauderdale52 min
Apr 21, 12:36 AM CDTSevere Thunderstorm WarningJANForrest, Lamar54 min
Apr 21, 1:32 AM CDTSevere Thunderstorm WarningJANForrest28 min
Apr 20, 8:26 PM CDTFlash Flood WarningJANMadison3 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995Every severe thunderstorm warning in 1995

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.