Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 461, NWS Jackson, MS

August 31, 1997Holmes County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 31, 1997, 4:07 PM CDT for Holmes County, Mississippi. It was in force for 53 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
Aug 31, 1997, 4:07 PM CDT (21:07 UTC)
Expired
Aug 31, 1997, 5:00 PM CDT
In force
53 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Holmes County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 89 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 1997-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1366 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 1997-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
1366 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
18 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.

194 
WUUS1 KJAN 312110 RRA
SVRJAN
MSC051-312200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
407 PM CDT SUN AUG 31 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 CENTRAL MISSISSIPPI
 
   ...HOLMES COUNTY
 
AT 405 PM RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN TCHULA AND
THORTON...MOVING SOUTHEAST AT 10 MPH. IT WILL AFFECT THE SURROUNDING
RURAL AREAS AND COUNTY ROADS.
 
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.
<
 
 
77

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, Aug 31, 10:10 AM CDT, 5 hours 57 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-
072>074-010400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CDT SUN AUG 31 1997

THE AIRMASS OVER THE AREA HAS DESTABILIZED OVER THE PAST TWO DAYS AND
CONTAINS HIGHER MOISTURE CONTENT. SCATTERED THUNDERSTORMS WILL LIKELY
FORM JUST ABOUT ANYWHERE IN THE REGION AND THEN DIMINISH AFTER SUNSET
THIS EVENING. ISOLATED STORMS COULD BE QUITE STRONG MAINLY BETWEEN
300 AND 700 PM ACROSS CENTRAL MISSISSIPPI WHERE OUTFLOW BOUNDARIES
COULD INTERACT.

NO SEVERE THUNDERSTORMS ARE EXPECTED HOWEVER AS ALWAYS ANY STORMS CAN
PRODUCE DEADLY LIGHTNING STRIKES...GUSTY WINDS AND BRIEF HEAVY RAINS
AND THEY SHOULD MOVE SOUTHWARD AT ABOUT 10 MPH.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL SHOULD NOT BE NEEDED THROUGH TONIGHT.
Special weather statement, Aug 31, 2:18 PM CDT, 1 hour 49 minutes before
MSZ042>044-048>050-312115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
218 PM CDT SUN AUG 31 1997

...THUNDERSTORMS APPROACHING THE SKY PARADE ACTIVITIES AT JACKSON
AIRPORT...

AT 220 PM RADAR INDICATED SCATTERED THUNDERSTORMS TWO MILES NORTH OF
THE AIRPORT...NEAR BRANDON AND SOUTH JACKSON. THEY WERE BUILDING
TOWARD THE AIRPORT. THEY SHOULD AFFECT THOMPSON FIELD THROUGH 330 PM.

THESE STORMS WILL PRODUCE FREQUENT LIGHTNING STRIKES...GUSTY WINDS
AND BRIEF HEAVY RAINS AS THEY MOVE SOUTH AT 10 MPH.
Special weather statement, Aug 31, 2:26 PM CDT, 1 hour 41 minutes before
MSZ042>044-048>050-312115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
218 PM CDT SUN AUG 31 1997

...THUNDERSTORMS APPROACHING THE SKY PARADE ACTIVITIES AT JACKSON
AIRPORT...

AT 220 PM RADAR INDICATED SCATTERED THUNDERSTORMS TWO MILES NORTH OF
THE AIRPORT...NEAR BRANDON AND SOUTH JACKSON. THEY WERE BUILDING
TOWARD THE AIRPORT. THEY SHOULD AFFECT THOMPSON FIELD THROUGH 330 PM.

THESE STORMS WILL PRODUCE FREQUENT LIGHTNING STR"IKES...GUSTY WINDS
AND BRIEF HEAVY RAINS AS THEY MOVE SOUTH AT 10 MPH.
Local storm report, Aug 31, 3:20 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
320 PM CDT SUN AUG 31 1997

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

235 PM     2 N BROOKHAVEN            MS   WIND DAMAGE
08/20/97   LINCOLN                        ROOF BLOWN OFF HOUSE.
                                          MARBLE SIZE HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 4:32 PM CDTSevere Thunderstorm WarningJANYazoo43 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.