Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 441, NWS Jackson, MS

July 15, 1997Lincoln County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 15, 1997, 3:25 PM CDT for Lincoln County, Mississippi. It was in force for 35 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 15, 1997, 3:25 PM CDT (20:25 UTC)
Expired
Jul 15, 1997, 4:00 PM CDT
In force
35 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lincoln County, MS

What was reported inside it

TimeReportWhereRemark
Jul 15, 3:50 PM CDTHail 0.88Vaughn, 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

Jackson, MS (KJAN), launched 12:00Z, 8.4 hours before the alert went out and 94 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 1997-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 670 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 1997-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
670 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-31 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 152025 RRA
SVRJAN
MSC085-152100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
325 PM CDT TUE JUL 15 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST MISSISSIPPI
 
   ...WESTERN LINCOLN COUNTY
 
AT 324 PM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM ABOUT
6 MILES WEST OF BROOKHAVEN...MOVING SLOWLY SOUTHWARD AT 10 MPH.
HAIL TO THE SIZE OF NICKELS AND DAMAGING WINDS CAN BE EXPECTED
WITH THIS STORM.
 
 
PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY
FROM WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL APPLNIANCES UNTIL
THE STORM HAS PASSED.  MOTORISTS DON'T DRIVE INTO WATER CROSSINGS.
<
 
 
65

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 15, 9:58 AM CDT, 5 hours 27 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-
072>074-160400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT MON JUL 14 1997

SCATTERED THUNDERSTORMS WILL DEVELOP...ESPECIALLY IN THE CENTRAL AND
SOUTHERN SECTIONS OF THE REGION THIS AFTERNOON AS TEMPERATURES RISE
INTO THE LOWER 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY
RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND STRONG GUSTY WIND.

NO SEVERET WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS...
HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE
NECESSARY THIS AFTERNOON OR EVENING.
Special weather statement, Jul 15, 10:00 AM CDT, 5 hours 25 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-
072>074-160400-

AREA THUNDERSTORM OUTLOOK...CORRECTION FOR DATE...
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT TUE JUL 15 1997

SCATTERED THUNDERSTORMS WILL DEVELOP...ESPECIALLY IN THE CENTRAL AND
SOUTHERN SECTIONS OF THE REGION THIS AFTERNOON AS TEMPERATURES RISE
INTO THE LOWER 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY
RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND STRONG GUSTY WIND.

NO SEVERE WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS...
HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE
NECESSARY THIS AFTERNOON OR EVENING.
Special weather statement, Jul 15, 10:01 AM CDT, 5 hours 24 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-
072>074-160400-

AREA THUNDERSTORM OUTLOOK...CORRECTION FOR DATE...
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT TUE JUL 15 1997

SCATTERED THUNDERSTORMS WILL DEVELOP...ESPECIALLY IN THE CENTRAL AND
SOUTHERN SECTIONS OF THE REGION THIS AFTERNOON AS TEMPERATURES RISE
INTO THE LOWER 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY
RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND ST^RONG GUSTY WIND.

NO SEVERE WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS...
HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE
NECESSARY THIS AFTERNOON OR EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 2:40 PM CDTSevere Thunderstorm WarningJANSmith35 min
Jul 15, 3:19 PM CDTSevere Thunderstorm WarningJANJasper41 min
Jul 15, 3:52 PM CDTSevere Thunderstorm WarningJANRankin38 min
Jul 15, 4:10 PM CDTSevere Thunderstorm WarningJANFranklin50 min
Jul 15, 4:30 PM CDTSevere Thunderstorm WarningJANLincoln45 min
Jul 15, 5:11 PM CDTSevere Thunderstorm WarningJANSmith49 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.