Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 16, NWS New Orleans, LA

June 21, 1998Hancock County, Mississippi

NWS New Orleans, LA issued this tornado warning at Jun 21, 1998, 4:01 PM CDT for Hancock County, Mississippi. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 1998, 4:01 PM CDT (21:01 UTC)
Expired
Jun 21, 1998, 4:50 PM CDT
In force
49 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Hancock County, MS

What was reported inside it

TimeReportWhereRemark
Jun 21, 4:20 PM CDTThunderstorm WindKiln, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.0 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 1998-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2768 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 1998-06-21The 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
2768 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

526 
WFUS1 KNEW 212116 RRA
TORNEW
MSC045-212150-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...RETRANSMITTED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
401 PM CDT SUN JUN 21 1998

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

* TORNADO WARNING FOR
   - HANCOCK COUNTY SOUTHERN MISSISSIPPI

* UNTIL 450 PM CDT

* AT 358 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  WITH A POSSIBLE TORNADO NEAR SELLERS IN HANCOCK COUNTY MOVING
SOUTHWEST NEAR 15 MPH. DAMAGE WAS REPORTED WITH THIS THUNDERSTORM
NEAR SAUCIER IN HARRISON COUNTY.

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

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

&

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, Jun 21, 10:50 AM CDT, 5 hours 11 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-210000-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1050 AM CDT SUN JUN 21 1998

VERY MOIST UNSTABLE AIR REMAINS OVER THE REGION TODAY. ISOLATED
THUNDERSTORMS ARE POSSIBLE OVER MUCH OF THE AREA THIS AFTERNOON.
ANY THUNDERSTORMS WHICH MIGHT DEVELOP COULD PRODUCE HAIL AND WIND GUSTS
IN EXCESS OF 50 MILES AN HOUR.
Special weather statement, Jun 21, 10:50 AM CDT, 5 hours 11 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-210000-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1050 AM CDT SUN JUN 21 1998

VERY MOIST UNSTABLE AIR REMAINS OVER THE REGION TODAY. ISOLATED
THUNDERSTORMS ARE POSSIBLE OVER MUCH OF THE AREA THIS AFTERNOON.
ANY THUNDERSTORMS WHICH MIGHT DEVELOP COULD PRODUCE HAIL AND WIND GUSTS
IN EXCESS OF 50 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 1:40 PM CDTSevere Thunderstorm WarningLIXJackson60 min

Nearby

Tornado Warnings in Mississippi, 1998Every tornado warning in 1998Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.