Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 419, NWS Jackson, MS

July 9, 1997Carroll County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 9, 1997, 11:18 PM CDT for Carroll County, Mississippi. It was in force for 42 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
Jul 9, 1997, 11:18 PM CDT (04:18 UTC)
Expired
Jul 10, 1997, 12:00 AM CDT
In force
42 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Carroll County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.3 hours before the alert went out and 126 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 00:00Z on 1997-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2457 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1997-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
2457 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAN 100420 RRA
SVRJAN
MSC015-100500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1118 PM CDT WED JUL 9 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...NORTHERN CARROLL COUNTY
 
AT 1118 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING
NORTHERN CARROLL COUNTY. THE STORM WAS MOVING SOUTH SOUTHEAST AT 15 MPH
AND WILL PASS EAST OF CARROLLTON AND NEAR MCCARLEY BY 1145 PM.
 
DAMAGING WINDS AND HAIL ARE LIKELY WITH THIS STORM.
 
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

Local storm report, Jul 9, 7:50 PM CDT, 3 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
750 PM CDT WED JUL 09 1997

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

0530 PM    WESSON                    MS   WIND DAMAGE
07/09/97   COPIAH                         TREES DOWN ON SHEDS AND
                                          VEHICLES IN WESSON AND
                                          BEAUREGARD AREAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 10:46 PM CDTSevere Thunderstorm WarningJANGrenada44 min
Jul 9, 10:57 PM CDTTornado WarningJANGrenada33 min
Jul 10, 10:51 AM CDTSevere Thunderstorm WarningJANLauderdale29 min
Jul 10, 4:31 PM CDTSevere Thunderstorm WarningJANScott29 min
Jul 10, 4:54 PM CDTSevere Thunderstorm WarningJANLamar51 min
Jul 10, 5:14 PM CDTSevere Thunderstorm WarningJANRankin46 min
Jul 10, 5:52 PM CDTSevere Thunderstorm WarningJANLawrence53 min
Jul 10, 6:02 PM CDTSevere Thunderstorm WarningJANRankin43 min
Jul 10, 6:20 PM CDTFlash Flood WarningJANMontgomery40 min
Jul 10, 6:20 PM CDTSevere Thunderstorm WarningJANMontgomery40 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.