Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 290, NWS New Orleans, LA

October 26, 1997Amite County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Oct 26, 1997, 1:48 AM CDT for Amite County, Mississippi. It was in force for 27 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
Oct 26, 1997, 1:48 AM CDT (06:48 UTC)
Expired
Oct 26, 1997, 1:15 AM CST
In force
27 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Amite County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 26, 12:00 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.8 hours before the alert went out and 145 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 1997-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3555 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 1997-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 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
3555 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
5.1
Supercell composite
24.5

Open this sounding in Storm Lab

The text

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

243 
WUUS1 KNEW 260650 RRA
SVRNEW
MSC005-260715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
148 AM CDT SUN OCT 26 1997
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM CDT (115 AM CST)
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...NORTHERN AMITE COUNTY
 
AT 147 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTHEAST
OF LIBERTY OR 5 MILES SOUTH OF THE SMITHDALE COMMUNITY. THIS STORM WAS
MOVING NORTHEAST AT 40 MPH. HAIL LARGER THAN DIME SIZE MAY OCCUR ALONG
HIGHWAY 569 AND IN THE VICINITY OF SMITHDALE.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Oct 25, 8:07 PM CDT, 5 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT ... CORRECTED 340 PM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LOUISIANA
807 PM CDT SAT OCT 25 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

0300 PM    POPLARVILLE               MS   TORNADO
10/25/97   PEARL RIVER                    SHERIFFS DEPT REPORTS
                                          TREES AND POWER LINES
                                          DOWN.

0340 PM    NECAISE                   MS   TORNADO
10/25/97   HANCOCK                        SHERIFFS DEPT REPORTS ONE
                                          MOBILE HOME DESTROYED, 2
                                          MOBILES HOMES DAMAGED AND
                                          DAMAGE TO ROOF OF ONE
                                          HOME.  CORRECTION MADE
                                          FOR LOCATION AND COUNTY.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 10:24 PM CDTTornado WarningLIXAmite, Pike36 min
Oct 25, 10:59 PM CDTTornado WarningLIXPike31 min
Oct 26, 12:02 AM CDTSevere Thunderstorm WarningLIXPike28 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997

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.