Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 378, NWS Jackson, MS

June 26, 1997Morehouse Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jun 26, 1997, 4:15 PM CDT for Morehouse Parish, Louisiana. 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 26, 1997, 4:15 PM CDT (21:15 UTC)
Expired
Jun 26, 1997, 5:00 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Morehouse Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.3 hours before the alert went out and 171 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 12:00Z on 1997-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 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 12:00Z on 1997-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
418 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
507 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
30 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.

417 
WUUS1 KJAN 262116 RRA
SVRJAN
LAC067-262200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
415 PM CDT THU JUN 26 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST LOUISIANA
 
   ...MOREHOUSE PARISH
 
AT 415 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CENTERED
NEAR MER ROUGE...MOVING SLOWLY SOUTHEAST AT 15 MPH. MER ROUGE IS IN
THE PATH OF THIS STORM.  DAMAGING THUNDERSTORM WINDS...AND HAIL UP
TO THE SIZE OF DIMES ARE LIKELY WITH THIS STORM...ALONG WITH VERY
HEAVY RAINFALL.
 
OTHER STRONG STORMS WILL MOVE INTO SOUTHWESTERN MOREHOUSE PARISH.
 
PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY
FROM WINDOWS.  DONT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL
THE STORM HAS PASSED.  MOTORISTS DONT DRIVE INTO WATER CROSSINGS.
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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 26, 10:20 AM CDT, 5 hours 55 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-270400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1020 AM CDT THU JUN 26 1997

THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE AREA
THIS AFTERNOON AND EVENING. THERE IS LITTLE THREAT OF SEVERE STORMS
OVER MUCH OF THE REGION.  LOCALLY HEAVY RAINS PRODUCING LOCALIZED LOW
AREA FLOODING AND ISOLATED SEVERE STORMS CAN NOT BE RULED OUT OVER
SOUTHEAST PARTS OF MISSISSIPPI WHERE AN UPPER LEVEL DISTURBANCE WILL
BE ACTIVE THIS AFTERNOON AND EVENING. OVER MOST OF THE AREA....IT
PROBABLY NOT BE NECESSARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS
...HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT AND PUBLIC SAFETY
PERSONNEL IN SEVERE WEATHER DETECTION AND WARNNG ACTIVITIES THIS
AFTERNOON OR EVENING.
Special weather statement, Jun 26, 10:27 AM CDT, 5 hours 48 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-270400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1020 AM CDT THU JUN 26 1997

THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE AREA
THIS AFTERNOON AND EVENING. THERE IS LITTLE THREAT OF SEVERE STORMS
OVER MUCH OF THE REGION.  LOCALLY HEAVY RAINS PRODUCING LOCALIZED LOW
AREA FLOODING AND ISOLATED SEVERE STORMS CAN NOT BE RULED OUT OVER
SOUTHEAST PARTS OF MISSISSIPPI WHERE AN UPPER LEVEL DISTURBANCE WILL
BE ACTIVE THIS AFTERNOON AND EVENING. OVER MOST OF THE AREA....IT
PROBABLY NOT BE NECESSARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS
...HAM RADIO OPERATORS...OR EMERGENCY MANAGEMENT AND PUBLIC SAFETY
PERSONNEL IN SEVERE WEATHER DETECTION AND WARNNG ACTIVITIES THIS
AFTERNOON OR EVENING.

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.