Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 142, NWS Jackson, MS

April 5, 1997Sharkey County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 5, 1997, 7:16 AM CST for Sharkey County, Mississippi. It was in force for 44 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
Apr 5, 1997, 7:16 AM CST (13:16 UTC)
Expired
Apr 5, 1997, 8:00 AM CST
In force
44 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Sharkey County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 5, 2:30 AM CSTTornado WatchSPC7 hr
Apr 5, 3:15 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.3 hours before the alert went out and 93 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 1997-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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 1997-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 409 square meters per square second.19395878Sfc1 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
60 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
718 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
409 m²/s²
0-3 km storm-relative helicity
671 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 051319 RRA
SVRJAN
MSC125-051400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
716 AM CST SAT APR 5 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MISSISSIPPI
 
   ...SHARKEY COUNTY
 
AT 716 AM A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM GLEN ALLAN
TO JUST WEST OF ONWARD MOVING EAST NORTHEAST AT 50 MPH. DAMAGING
WINDS ARE LIKELY ALONG THE LEADING EDGE OF THIS LINE OF STORMS.
THE LINE WILL MOVE OVER ROLLING FORK AND CARY BY 730 AM.
 
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNJADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
 
<
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, Apr 5, 7:05 AM CST, 11 minutes before
MSZ001>082-051200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
705 AM CST SAT APR 5 1997

...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR
MUCH OF WESTERN MISSISSIPPI...

TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI
UNTIL 900 AM CST THIS SATURDAY MORNING.  A LINE OF VERY STRONG
THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST.
THESE STORMS HAVE A HSITORY OF PRODUCING STRONG WINDS, DEADLY LIGHTNING
AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES.
MANAGEMENT PERSONNEL MAY BE REQUIRED PRIOR TO DAWN WITH THIS APPROACHING
SYSTEM. PERSONS IN MISSISSIPPI ARE URGED TO WATCH FOR FURTHER STATEMENTS
AS THIS SYSTEM DEVELOPS.
Special weather statement, Apr 5, 7:05 AM CST, 11 minutes before
MSZ001>082-051200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
705 AM CST SAT APR 5 1997

...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR
MUCH OF WESTERN MISSISSIPPI...

TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI
UNTIL 900 AM CST THIS SATURDAY MORNING.  A LINE OF VERY STRONG
THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST.
THESE STORMS HAVE A HSITORY OF PRODUCING STRONG WINDS, DEADLY LIGHTNING
AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES.
Special weather statement, Apr 5, 7:08 AM CST, 8 minutes before
MSZ001>082-051200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
705 AM CST SAT APR 5 1997

...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR
MUCH OF WESTERN MISSISSIPPI...

TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI
UNTIL 900 AM CST THIS SATURDAY MORNING.  A LINE OF VERY STRONG
THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST.
THESE STORMS HAVE A HSITORY OF PRODUCING STRONG WINDS, DEADLY LIGHTNING
AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES.
MANAGEMENT PERSONNEL MAY BE REQUIRED PRIOR TO DAWN WITH THIS APPROACHING
SYSTEM. PERSONS IN MISSISSIPPI ARE URGED TO WATCH FOR FURTHER STATE*MENTS
AS THIS SYSTEM DEVELOPS.
Special weather statement, Apr 5, 7:11 AM CST, 5 minutes before
MSZ001>082-051200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
705 AM CST SAT APR 5 1997

...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR
MUCH OF WESTERN MISSISSIPPI...

TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI
UNTIL 900 AM CST THIS SATURDAY MORNING.  A LINE OF VERY STRONG
THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST.
THESE STORMS HAVE A HSITORY OF6 PRODUCING STRONG WINDS, DEADLY LIGHTNING
AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:03 AM CSTSevere Thunderstorm WarningJANIssaquena27 min
Apr 5, 7:26 AM CSTSevere Thunderstorm WarningJANWashington34 min
Apr 5, 7:33 AM CSTSevere Thunderstorm WarningJANHumphreys, Sunflower42 min
Apr 5, 7:33 AM CSTSevere Thunderstorm WarningJANYazoo42 min
Apr 5, 7:38 AM CSTSevere Thunderstorm WarningJANClaiborne52 min
Apr 5, 7:44 AM CSTTornado WarningJANHumphreys31 min
Apr 5, 7:57 AM CSTSevere Thunderstorm WarningJANHolmes, Leflore48 min
Apr 5, 8:02 AM CSTSevere Thunderstorm WarningJANWarren28 min
Apr 5, 8:12 AM CSTSevere Thunderstorm WarningJANCopiah, Hinds48 min
Apr 5, 8:21 AM CSTSevere Thunderstorm WarningJANCarroll, Grenada54 min
Apr 5, 8:40 AM CSTSevere Thunderstorm WarningJANMadison, Rankin65 min
Apr 5, 8:49 AM CSTSevere Thunderstorm WarningJANYazoo41 min
Apr 5, 8:57 AM CSTSevere Thunderstorm WarningJANSimpson48 min
Apr 5, 9:29 AM CSTSevere Thunderstorm WarningJANScott46 min
Apr 5, 9:57 AM CSTSevere Thunderstorm WarningJANChoctaw48 min
Apr 5, 10:00 AM CSTSevere Thunderstorm WarningJANLeake, Neshoba45 min
Apr 5, 10:18 AM CSTSevere Thunderstorm WarningJANOktibbeha, Webster42 min
Apr 5, 11:52 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale53 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.