Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 356, NWS Jackson, MS

June 19, 1997Forrest County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 19, 1997, 2:00 PM CDT for Forrest County, Mississippi. It was in force for 45 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
Jun 19, 1997, 2:00 PM CDT (19:00 UTC)
Expired
Jun 19, 1997, 2:45 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Forrest County, MS

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 19:00 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 12:00Z, 7.0 hours before the alert went out and 113 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 1997-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1951 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 1997-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
1951 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
780 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
120 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.

000 
TTAA00 KJAN 191902 RRA
SVRJAN
MSC035-191945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
200 PM CDT THU JUN 19 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...FORREST COUNTY
 
AT 200 PM CDT JACKSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
PURVIS MOVING NORTHEAST AROUND 10 MPH. LARGE HAIL IS LIKELY WITH THIS
SEVERE THUNDERSTORM AS WELL AS STRONG GUSTY WINDS...DANGEROUS LIGHTNING
STRIKES... AND TORRENTIAL RAINS AS IT MOVES INTO THE HATTIESBURG AREA BY
220 PM CDT.
 
 
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
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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

Special weather statement, Jun 19, 10:05 AM CDT, 3 hours 55 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-200400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CDT THU JUN 19 1997

THE AIRMASS OVER MISSISSIPPI IS GENERALLY STABLE...WITH WEAK HIGH PRESSURE
AT THE SURFACE. AFTERNOON HEATING WILL HELP TO DESTABLIZE THE AIRMASS
SLIGHTLY. THIS COULD PRODUCE SOME WIDELY SCATTERED THUNDERSTORMS...BUT
CONDITIONS WILL NOT SUPPORT THE DEVELOPMENT OF SEVERE THUNDERSTORMS.

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...HAM RADIO OPERATORS
...AND STORM SPOTTERS WILL NOT BE NECESSARY THROUGH THIS EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 1:46 PM CDTSevere Thunderstorm WarningJANLamar29 min
Jun 19, 2:02 PM CDTSevere Thunderstorm WarningJANMarion43 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; radar from the NEXRAD Level II archive.