Alert archive / Mississippi / Tornado Warnings in 1996

Tornado Warning 20, NWS New Orleans, LA

August 12, 1996Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 12, 1996, 8:20 PM CDT for Hancock County, Harrison County, Mississippi. It was in force for 25 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
Aug 12, 1996, 8:20 PM CDT (01:20 UTC)
Expired
Aug 12, 1996, 8:45 PM CDT
In force
25 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Hancock County, MS, Harrison County, MS

The radar

The Mobile radar (KMOB), 104 km from the middle of the area, began a volume at 01:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.3 hours before the alert went out and 44 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, Slidell Radar S, LA at 00:00Z on 1996-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2787 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, Slidell Radar S, LA at 00:00Z on 1996-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
2787 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNEW 130129 COR
TORNEW
MSC047-130145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED TO HARRISON INSTEAD OF HANCOCK COUNTY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
820 PM CDT MON AUG 12 1996

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...

IN SOUTH MISSISSIPPI

   ...HARRISON COUNTY

AND ADJACENT COASTAL WATERS

AT 815 PM CDT THE NATIONAL WEATHER SERVICE HAS RECEIVED A REPORT BY THE
HANCOCK COUNTY EOC OF A POSSIBLE TORNADO IN THE VICINITY OF BAY ST LOUIS
MOVING EAST-SOUTHEAST ABOUT 30 MPH. RADAR INDICATED A SEVERE
THUNDERSTORM IN THIS SAME AREA. THESE REPORTS WERE FROM THE PUBLIC.

THIS SEVERE THUNDERSTORM AND POSSIBLE TORNADO WAS MOVING TOWARDS THE
COMMUNITIES OF GULFPORT AND PASS CHRISTIAN.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&
1 follow-up statement
000 
TTAA00 KNEW 130123 RRA
TORNEW
MSC045-130145-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
820 PM CDT MON AUG 12 1996
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...HANCOCK COUNTY
 
AND ADJACENT COASTAL WATERS
 
AT 815 PM CDT THE NATIONAL WEATHER SERVICE HAS RECEIVED A REPORT BY THE
HANCOCK COUNTY EOC OF A POSSIBLE TORNADO IN THE VICINITY OF BAY ST LOUIS
MOVING EAST-SOUTHEAST ABOUT 30 MPH. RADAR INDICATED A SEVERE
THUNDERSTORM IN THIS SAME AREA. THESE REPORTS WERE FROM THE PUBLIC.
 
THIS SEVERE THUNDERSTORM AND POSSIBLE TORNADO WAS MOVING TOWARDS THE
COMMUNITIES OF GULFPORT AND PASS CHRISTIAN.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
&

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 7:02 PM CDTSevere Thunderstorm WarningLIXHancock, Pearl River43 min
Aug 12, 8:06 PM CDTSevere Thunderstorm WarningLIXHancock, Harrison54 min

Nearby

Tornado Warnings in Mississippi, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.