Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 375, NWS Jackson, MS

June 23, 1997Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 23, 1997, 3:05 PM CDT for Simpson County, Mississippi. It was in force for 40 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
Jun 23, 1997, 3:05 PM CDT (20:05 UTC)
Expired
Jun 23, 1997, 3:45 PM CDT
In force
40 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Simpson County, MS

What was reported inside it

TimeReportWhereRemark
Jun 23, 3:20 PM CDTThunderstorm WindMagee, MSA couple of trees were blown down.

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, 8.1 hours before the alert went out and 48 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 1997-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2025 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 1997-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
2025 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-3 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.

582 
WUUS1 KJAN 232006 RRA
SVRJAN
MSC127-232045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
305 PM CDT MON JUN 23 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...EASTERN SIMPSON COUNTY
 
AT 305 PM RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTH OF MAGEE
MOVING SOUTH NEAR 15 MPH. THIS STORM WILL TRACK ALONG HIGHWAY 49.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY.
 
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.
<
 
 
68

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 23, 10:00 AM CDT, 5 hours 5 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-240400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT MON JUN 23 1997

ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON...WITH ACTIVITY BEING
A LITTLE MORE NUMEROUS IN THE SOUTHEAST. THE THUNDERSTORMS ARE EXPECTED
TO REMAIN BELOW SEVERE LIMITS...BUT A FEW OF THE STORMS COULD PRODUCE
SOME LOCALLY HEAVY RAINFALL AND GUSTY WINDS.

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...HAM RADIO OPERATORS
...AND STORM SPOTTERS IS NOT ANTICIPATED THIS AFTERNOON OR TONIGHT.
Special weather statement, Jun 23, 10:02 AM CDT, 5 hours 3 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-240400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT MON JUN 23 1997

ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON...WITH ACTIVITY BEING
A LITTLE MORE NUMEROUS IN THE SOUTHEAST. THE THUNDERSTORMS ARE EXPECTED
TO REMAIN BELOW SEVERE LIMITS...BUT A FEW OF THE STORMS COULD PRODUCE
SOME LOCALLY HEAVY RAINFALL AND GUSTY WINDS.

ACTIVATION OF EMvERGENCY MANAGEMENT PERSONNEL...HAM RADIO OPERATORS
...AND STORM SPOTTERS IS NOT ANTICIPATED THIS AFTERNOON OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 1:11 PM CDTSevere Thunderstorm WarningJANClarke49 min
Jun 23, 2:06 PM CDTSevere Thunderstorm WarningJANJasper54 min
Jun 23, 2:30 PM CDTFlash Flood WarningJANJasper2 hr
Jun 23, 2:47 PM CDTSevere Thunderstorm WarningJANCovington, Smith43 min
Jun 23, 2:58 PM CDTSevere Thunderstorm WarningJANKemper62 min
Jun 23, 5:11 PM CDTSevere Thunderstorm WarningJANWebster49 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.