Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 10, NWS New Orleans, LA

January 2, 1999Hancock County, Mississippi

NWS New Orleans, LA issued this tornado warning at Jan 2, 1999, 8:13 AM CST for Hancock County, Mississippi. It was in force for 32 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 2, 1999, 8:13 AM CST (14:13 UTC)
Expired
Jan 2, 1999, 8:45 AM CST
In force
32 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Hancock County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 2, 3:00 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.2 hours before the alert went out and 27 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 12:00Z on 1999-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 549 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 12:00Z on 1999-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897Sfc1 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
549 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
331 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 021413 RRA
TORNEW
MSC045-021445-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
813 AM CST SAT JAN 2 1999

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A...

* TORNADO WARNING FOR
   - SOUTHERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 845 AM CST

* AT 811 AM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  WITH A POSSIBLE TORNADO 24 MILES WEST OF BAY SAINT LOUIS OR 7
  MILES SOUTHWEST OF PEARLINGTON MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS IN AND NEAR THE PATH OF THIS TORNADO ARE...
  PEARLINGTON AT 820 AM CST
  KILN  AT 840 AM CST

IF YOU ARE IN THESE AREAS...SEEK SHELTER IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS

IF YOU ARE IN THE PATH OF A TORNADO...GET UNDER A WORKBENCH OR PIECE
OF STURDY FURNITURE. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A
CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...OR CUSHIONS TO
COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

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

In the hours before

Special weather statement, Jan 2, 8:13 AM CST, 0 minutes before
LAZ034>039-046>050-056>060-065>067-MSZ068>071-021500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
813 AM CST SAT JAN 2 1999

THE TORNADO WATCH ISSUED EARLIER HAS BEEN CANCELED. THE LINE OF
VERY STRONG THUNDERSTORMS HAS MOVED EAST THROUGH THE AREA. HOWEVER
A LARGE AREA OF RAIN AND A FEW THUNDERSTORMS WILL CONTINUE FOR A FEW
HOURS. PRECIPITATION WILL GRADUALLY END FROM THE WEST.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 4:29 AM CSTSevere Thunderstorm WarningLIXWilkinson31 min
Jan 2, 6:26 AM CSTTornado WarningLIXPike34 min
Jan 2, 6:26 AM CSTTornado WarningLIXWalthall34 min
Jan 2, 8:37 AM CSTTornado WarningLIXHarrison33 min
Jan 2, 9:12 AM CSTSevere Thunderstorm WarningLIXHarrison, Jackson33 min

Nearby

Tornado Warnings in Mississippi, 1999Every tornado warning in 1999Tornadoes 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.