Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 406, NWS Jackson, MS

July 5, 1997Lamar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 5, 1997, 4:27 PM CDT for Lamar County, Mississippi. It was in force for 33 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
Jul 5, 1997, 4:27 PM CDT (21:27 UTC)
Expired
Jul 5, 1997, 5:00 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lamar County, MS

What was reported inside it

TimeReportWhereRemark
Jul 5, 4:35 PM CDTHail 1Lumberton, 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, 9.5 hours before the alert went out and 108 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 1997-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2651 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 1997-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
2651 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1061 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
-20 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 052128 RRA
SVRJAN
MSC073-052200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
427 PM CDT SAT JUL 5 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 SOUTHEAST MISSISSIPPI
 
   ...LAMAR COUNTY
 
AT 425 RADAR INDICATED A SEVERE THUNDERSTORM NEAR LUMBERTON...MOVING
NORTHEAST AT 15 MPH. IT MOVE ALONG HIGHWAY 59 TOWARD THE PURVIS AREA.
 
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, Jul 5, 10:28 AM CDT, 5 hours 59 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-060400-

AREA THUNDERSTORM OUTLOOK ...DATE/TIME CORRECTED...
NATIONAL WEATHER SERVICE JACKSON MS
1020 AM CDT SAT JUL 5 1997

A WEAK FTRONTAL TROUGH WILL BE MOVING SLOWLY SOUTH OVER THE SOUTHERN
PORTIONS OF THE AREA TODAY TO BECOME STATIONARY NEAR THE MISSISSIPPI
GULF COAST TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON
OVER SOUTHERN PARTS OF THE AREA NEAR AND SOUTH OF THE FRONT. ACROSS
CENTRAL MISSISSIPPI INTO NORTHEAST LOUISIANA...ONLY WIDELY SCATTERED
THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO EVENING. SOME OF THE
STORMS ACROSS THE SOUTHERN PARTS OF THE AREA WILL BE STRONG AND COULD
PRODUCE SMALL HAIL AND STRONG GUSTY WINDS. SEVERE WEATHER...IF ANY
OCCURRS THIS AFTERNOON OR TONIGHT...SHOULD BE LIMITED TO ISOLATED
REPORTS OF HAIL OF 3/4 INCH IN DIAMETER OR MORE.

IT WILL NOT BE NECESARY TO REQUEST THE ASSISTANCE OF STORM SPOTTERS...
HAM RADIO OPERATORS OR EMERGENCY MANAGEMENT SPECIALISTS IN SEVERE
WEATHER DETECTION AND WARNING ACTIVITIES THIS AFTERNOON OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:33 PM CDTSevere Thunderstorm WarningJANWashington42 min
Jul 4, 9:05 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey40 min
Jul 4, 9:05 PM CDTSevere Thunderstorm WarningJANHumphreys40 min
Jul 4, 9:16 PM CDTSevere Thunderstorm WarningJANSunflower29 min
Jul 4, 9:55 PM CDTSevere Thunderstorm WarningJANWarren, Yazoo35 min
Jul 4, 10:04 PM CDTSevere Thunderstorm WarningJANHinds, Madison41 min
Jul 4, 11:17 PM CDTSevere Thunderstorm WarningJANAttala28 min
Jul 4, 11:33 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba42 min
Jul 4, 11:54 PM CDTSevere Thunderstorm WarningJANWinston51 min
Jul 5, 12:09 AM CDTSevere Thunderstorm WarningJANNoxubee51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.