Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 191, NWS Jackson, MS

April 22, 1997Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 22, 1997, 6:27 PM CDT for Marion County, Mississippi. It was in force for 33 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 22, 1997, 6:27 PM CDT (23:27 UTC)
Expired: Apr 22, 1997, 7:00 PM CDT
In force: 33 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Marion County, MS

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 22, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1720 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 521 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 222328 RRA
SVRJAN
MSC091-230000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
627 PM CDT TUE APR 22 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...SOUTHERN MARION COUNTY
 
AT 625 PM RADAR INDICATED A SEVERE THUNDERSTORM CENTERED 3 MILES
SOUTHWEST OF SANDY HOOK. THE STORM WILL MOVE OVER THE SANDY HOOK AREA BY
640 PM. LARGE HAIL AND DAMAGING WINDS 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
INT(ERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<
 
 
63

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, Apr 22, 1:28 PM CDT, 4 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
1228 PM CST TUE APR 22 1997

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

1025 AM    4 N NATCHEZ               MS   WIND DAMAGE
04/22/97   ADAMS                          TREES DOWN

1146 AM    FLOWOOD                   MS   WIND DAMAGE
04/22/97   RANKIN                         JACKSON AIRPORT TERMINAL
                                          BUILDING REPORTED 20 FT.
                                          SECTION OF ROOF DAMAGED
                                          AND 100 POUND CONCRETE
                                          MAPS BLOWN AROUND

1210 PM    6 S KOSCIUSKO             MS   WIND DAMAGE
04/22/97   ATTALA                         TREES DOWN...WINDOW DAMAGE
                                          TO HOUSE...SHINGLES OFF

Local storm report, Apr 22, 1:34 PM CDT, 4 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
1228 PM CST TUE APR 22 1997

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

1025 AM    4 N NATCHEZ               MS   WIND DAMAGE
04/22/97   ADAMS                          TREES DOWN

1146 AM    FLOWOOD                   MS   WIND DAMAGE
04/22/97   RANKIN                         JACKSON AIRPORT TERMINAL
                                          BUILDING REPORTED 20 FT.
                                          SECTION OF ROOF DAMAGED
                                          AND 100 POUND CONCRETE
                                          MAPS BLOWN AROUND

1210 xPM    6 S KOSCIUSKO             MS   WIND DAMAGE
04/22/97   ATTALA                         TREES DOWN...WINDOW DAMAGE
                                          TO HOUSE...SHINGLES OFF

Special weather statement, Apr 22, 3:00 PM CDT, 3 hours 27 minutes before

MSZ001>082-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
300 PM CDT TUE APR 22 1997

...SEVERAL NORTH MISSISSIPPI COUTNIES CLEARED FROM TORNADO WATCH
    NUMBER 181...

STRONG THUNDERSTORMS HAVE MOVED OUT OF SECTIONS OF NORTHEAST
MISSISSIPPI THIS AFTERNOON. TORNADO WATCH NUMBER 181 HAS BEEN
CANCELLED FOR THE FOLLOWING COUNTIES:

CLAY...ITAWAMBA...LOWNDES...MONROE AND TISHOMINGO.
DAMAGING WINDS. THE CURRENT WIND FIELDS AND WIND SHEAR ARE NOT
VERY STRONG BUT ISOLATED TORNADOES ARE POSSIBLE.

SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT...PARTICULARLY FOR SOUTH
MISSISSIPPI. THE SEVERE WEATHER THREAT WILL DIMINISH LATE TONIGHT
AS THE LOW PRESSURE SYSTEM MOVES INTO ALABAMA.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL LIKELY BE REQUIRED TODAY AND TONIGHT.

Special weather statement, Apr 22, 3:00 PM CDT, 3 hours 27 minutes before

MSZ001>082-222300-

SPECIAL WEATHER STATEMENT  ...CORRECTED...
NATIONAL WEATHER SERVICE JACKSON MS
300 PM CDT TUE APR 22 1997

...SEVERAL NORTH MISSISSIPPI COUTNIES CLEARED FROM TORNADO WATCH
    NUMBER 181...

STRONG THUNDERSTORMS HAVE MOVED OUT OF SECTIONS OF NORTHEAST
MISSISSIPPI THIS AFTERNOON. TORNADO WATCH NUMBER 181 HAS BEEN
CANCELLED FOR THE FOLLOWING COUNTIES:

CLAY...ITAWAMBA...LOWNDES...MONROE AND TISHOMINGO.

Special weather statement, Apr 22, 3:04 PM CDT, 3 hours 23 minutes before

MSZ001>082-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
300 PM CDT TUE APR 22 1997

...SEVERAL NORTH MISSISSIPPI COUTNIES CLEARED FROM TORNADO WATCH
    NUMBER 181...

STRONG THUNDERSTORMS HAVE MOVED OUT OF SECTIONS OF NORTHEAST
MISSISSIPPI THIS AFTERNOON. TORNADO WATCH NUMBER 181 HAS BEEN
CANCELLED FOR THE FOLLOWING COUNTIES:

CLAY...ITAWAMBA...LOWNDES...MONROE AND TISHOMINGO.
DAMAGING WINDS. THE CURRENT WIND FIELDS AND WIND SHEAR ARE NOT
VERY STRONG BUT ISOLATED TORNADOES ARE POSSIBLE.

SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT...PARTICULARLY FOR SOUTH
MISSISSIPPI. THE SEVERE WEATHER THREAT WILL DIMINISH LATE TONIGHT
AS THE LOW PRESSURE SYSTEM MOVES INTO ALABAMA.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL LIKELY BE REQUIRED TODAY AND TONIGHT.

Special weather statement, Apr 22, 3:17 PM CDT, 3 hours 10 minutes before

MSZ001>082-222300-

SPECIAL WEATHER STATEMENT  ...CORRECTED...
NATIONAL WEATHER SERVICE JACKSON MS
300 PM CDT TUE APR 22 1997

...SEVERAL NORTH MISSISSIPPI COUTNIES CLEARED FROM TORNADO WATCH
    NUMBER 181...

STRONG THUNDERSTORMS HAVE MOVED OUT OF SECTIONS OF NORTHEAST
MISSISSIPPI THIS AFTERNOON. TORNADO WATCH NUMBER 181 HAS BEEN
CANCELLED FOR THE FOLLOWING COUNTIES:

CLAY...ITAWAMBA...LOWNDES...MONROE AND TISHOMINGO.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 7:04 PM CDT	Severe Thunderstorm Warning	JAN	Webster	41 min
Apr 21, 7:41 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	64 min
Apr 22, 10:39 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena	51 min
Apr 22, 10:51 AM CDT	Severe Thunderstorm Warning	JAN	Sharkey, Washington	39 min
Apr 22, 11:10 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne	50 min
Apr 22, 11:12 AM CDT	Severe Thunderstorm Warning	JAN	Yazoo	48 min
Apr 22, 11:32 AM CDT	Tornado Warning	JAN	Holmes, Yazoo	43 min
Apr 22, 12:08 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	52 min
Apr 22, 12:32 PM CDT	Severe Thunderstorm Warning	JAN	Scott	43 min
Apr 22, 12:56 PM CDT	Severe Thunderstorm Warning	JAN	Newton	34 min
Apr 22, 1:35 PM CDT	Severe Thunderstorm Warning	JAN	Smith	40 min
Apr 22, 2:40 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne	50 min
Apr 22, 2:52 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	53 min
Apr 22, 3:57 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	48 min
Apr 22, 4:01 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence	44 min
Apr 22, 4:11 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	49 min
Apr 22, 4:18 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Simpson	27 min
Apr 22, 4:26 PM CDT	Tornado Warning	JAN	Clarke	34 min
Apr 22, 4:33 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	42 min
Apr 22, 4:57 PM CDT	Tornado Warning	JAN	Jones	48 min
Apr 22, 5:04 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	41 min
Apr 22, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Marion	66 min
Apr 22, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	60 min
Apr 22, 5:54 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	36 min
Apr 22, 6:44 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	46 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997 Every 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.