Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 266, NWS Jackson, MS

May 14, 1997Leflore County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 14, 1997, 3:26 PM CDT for Leflore County, Mississippi. It was in force for 49 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
May 14, 1997, 3:26 PM CDT (20:26 UTC)
Expired
May 14, 1997, 4:15 PM CDT
In force
49 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Leflore County, MS

What was reported inside it

TimeReportWhereRemark
May 14, 3:50 PM CDTHail 0.75Minter City, 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 138 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 1997-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 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 1997-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
257 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

350 
WUUS1 KJAN 142029 RRA
SVRJAN
MSC083-142115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
326 PM CDT WED MAY 14 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MISSISSIPPI
 
   ...SOUTHERN LEFLORE COUNTY
 
AT 326 PM DOPPLER RADAR IN JACKSON INDICATED A SEVERE THUNDERSTORM 6
MILES SOUTHWEST OF ITTA BENA...MOVING TO THE EAST AT 30 MILES AN HOUR.
THE STORM WILL APPROACH GREENWOOD AND SIDON BY 345 PM.
 
 
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.
<
75

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, May 14, 10:30 AM CDT, 4 hours 56 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-150400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1030 AM CDT WED MAY 14 1997

THE AIRMASS OVER THE STATE HAS GAINED SOME MOISTURE IN THE PAST 24 HOURS.
CONDITIONS HAVE ALSO BECOME MARGINALLY UNSTABLE. THESE FACTORS COMBINED
WITH AFTERNOON HEATING AND THE APPROACH OF A COLD FRONT WILL TRIGGER
SOME SCATTERED SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT.

AT THIS TIME...STORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. ACTIVITION
OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL AND HAM RADIO OPERATORS
RADIO OPERATORS SHOULD NOT BE REQUIRED TODAY OR TONIGHT.
Special weather statement, May 14, 10:31 AM CDT, 4 hours 55 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-150400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1030 AM CDT WED MAY 14 1997

THE AIRMASS OVER THE STATE HAS GAINED SOME MOISTURE IN THE PAST 24 HOURS.
CONDITIONS HAVE ALSO BECOME MARGINALLY UNSTABLE. THESE FACTORS COMBINED
WITH AFTERNOON HEATING AND THE APPROACH OF A COLD FRONT WILL TRIGGER
SOME SCATTERED SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT.

AT THIS TIME...STORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. ACTIVITION
OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL AND HAM RADIO OPERATORS
RADIO OPERATORS SHOULD NOT BE REQUIRED TODAY OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 3:37 PM CDTSevere Thunderstorm WarningJANSunflower38 min
May 14, 3:53 PM CDTSevere Thunderstorm WarningJANCarroll52 min
May 14, 4:10 PM CDTSevere Thunderstorm WarningJANHolmes50 min
May 14, 4:34 PM CDTSevere Thunderstorm WarningJANChoctaw, Webster41 min
May 14, 4:44 PM CDTSevere Thunderstorm WarningJANIssaquena31 min
May 14, 4:57 PM CDTSevere Thunderstorm WarningJANAttala, Holmes48 min
May 14, 5:15 PM CDTTornado WarningJANAttala45 min
May 14, 5:23 PM CDTSevere Thunderstorm WarningJANHolmes, Yazoo52 min
May 14, 5:36 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey54 min
May 14, 5:44 PM CDTTornado WarningJANLeake, Neshoba46 min
May 14, 6:21 PM CDTSevere Thunderstorm WarningJANMontgomery39 min
May 14, 6:26 PM CDTSevere Thunderstorm WarningJANWarren34 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.