Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 539, NWS Jackson, MS

November 1, 1997Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 1, 1997, 1:57 PM CST for Forrest County, Lamar County, Mississippi. It was in force for 48 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
Nov 1, 1997, 1:57 PM CST (19:57 UTC)
Expired
Nov 1, 1997, 2:45 PM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Forrest County, MS, Lamar County, MS

The radar

The Mobile radar (KMOB), 123 km from the middle of the area, began a volume at 19:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 1, 10:30 AM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.0 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 1997-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2011 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, Slidell Radar S, LA at 12:00Z on 1997-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.1939587897Sfc1 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
2011 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
1.6
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

881 
WUUS1 KJAN 011958 RRA
SVRJAN
MSC035-073-012045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
157 PM CST SAT NOV 1 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...FORREST COUNTY...LAMAR COUNTY
 
AT 156 PM RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTH OF LUMBERTON
MOVING EAST AT 30 MPH. THIS STORM WILL CROSS INTERSTATE 59 BY 205 PM...
MOVE INTO SOUTHERN FORREST COUNTY BY 210 PM....AND APPROACH BROOKLYN BY
230 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.
<
 
74

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, Nov 1, 12:50 PM CST, 1 hour 7 minutes before
MSZ018-019-025-027-034>037-040>043-047-048-053-059-060-011945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1250 PM CST SAT NOV 1 1997

...SEVERE THUNDERSTORM WATCH NUMBER 783 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES IN WESTERN MISSISSIPPI...

CARROLL...LEFLORE...MONTGOMERY...SUNFLOWER...WASHINGTON...ATTALA...
CLAIBORNE...HINDS...HOLMES...HUMPHREYS...ISSAQUENA...MADISON...
RANKIN...SHARKEY...WARREN...YAZOO...ADAMS...FRANKLIN.

...SEVERE THUNDERSTORM WATCH 783 REMAINS IN EFFECT UNTIL 4 PM FOR THE
FOLLOWING COUNTIES IN MISSISSIPPI...

CHOCTAW...LOWNDES...OKTIBBEHA...WEBSTER...CLARKE...COPIAH...JASPER...
JEFFERSON...KEMPER...LAUDERDALE...LEAKE...NESHOBA...NEWTON...
NOXUBEE...SCOTT...SIMPSON...SMITH...WINSTON...AMITE...COVINGTON...FORREST
...GEORGE...GREEN...JEFFERSON
DAVIS...JONES...LAMAR...LAWRENCE...LINCOLN...MARION..PERRY...PIKE...
WALTHALL...WAYNE...WILKINSON.
Special weather statement, Nov 1, 1:02 PM CST, 55 minutes before
MSZ018-019-025-027-034>037-040>043-047-048-053-059-060-011945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1250 PM CST SAT NOV 1 1997

...SEVERE THUNDERSTORM WATCH NUMBER 783 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES IN WESTERN MISSISSIPPI...

CARROLL...LEFLORE...MONTGOMERY...SUNFLOWER...WASHINGTON...ATTALA...
CLAIBORNE...HINDS...HOLMES...HUMPHREYS...ISSAQUENA...MADISON...
RANKIN...SHARKEY...WARREN...YAZOO...ADAMS...FRANKLIN.

...SEVERE THUNDERSTORM WATCH 783 REMAINS IN EFFECT UNTIL 4 PM FOR THE
FOLLOWING COUNTIES IN MISSISSIPPI...

CHOCTAW...LOWNDES...OKTIBBEHA...WEBSTER...CLARKE...COPIAH...JASPER...
JEFFERSON...KEMPER...LAUDERDALE...LEAKE...NESHOBA...NEWTON...
NOXUBEE...SCOTT...SIMPSON...SMITH...WINSTON...AMITE...COVINGTON...FORREST
...GEORGE...GREEN...JEFFERSON
DAVIS...JONES...LAMAR...LAWRENCE...LINCOLN...MARION..PERRY...PIKE...
WALTHALL...WAYNE...WILKINSON.
Special weather statement, Nov 1, 1:14 PM CST, 43 minutes before
MSZ018-019-025-027-034>037-040>043-047-048-053-059-060-012115-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
114 PM CST SAT NOV 1 1997

...SEVERE THUNDERSTORM WATCH NUMBER 783 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES IN WESTERN MISSISSIPPI...

CARROLL...LEFLORE...MONTGOMERY...SUNFLOWER...WASHINGTON...ATTALA...
CLAIBORNE...HINDS...HOLMES...HUMPHREYS...ISSAQUENA...MADISON...
RANKIN...SHARKEY...WARREN...YAZOO...ADAMS...FRANKLIN...JEFFERSON.

...SEVERE THUNDERSTORM WATCH 783 REMAINS IN EFFECT UNTIL 4 PM FOR THE
FOLLOWING COUNTIES IN MISSISSIPPI...

CHOCTAW...LOWNDES...OKTIBBEHA...WEBSTER...CLARKE...COPIAH...JASPER...
KEMPER...LAUDERDALE...LEAKE...NESHOBA...NEWTON...NOXUBEE ...SCOTT...
SIMPSON...SMITH...WINSTON...AMITE...COVINGTON...FORREST...GEORGE
...GREEN...JEFFERSON...DAVIS...JONES...LAMAR...LAWRENCE...LINCOLN...
MARION..PERRY...PIKE...WALTHALL...WAYNE...WILKINSON.
Special weather statement, Nov 1, 1:17 PM CST, 40 minutes before
MSZ018-019-025-027-034>037-040>043-047-048-053-059-060-012115-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
114 PM CST SAT NOV 1 1997

...SEVERE THUNDERSTORM WATCH NUMBER 783 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES IN WESTERN MISSISSIPPI...

CARROLL...LEFLORE...MONTGOMERY...SUNFLOWER...WASHINGTON...ATTALA...
CLAIBORNE...HINDS...HOLMES...HUMPHREYS...ISSAQUENA...MADISON...
RANKIN...SHARKEY...WARREN...YAZOO...ADAMS...FRANKLIN...JEFFERSON.

...SEVERE THUNDERSTORM WATCH 783 REMAINS IN EFFECT UNTIL 4 PM FOR THE
FOLLOWING COUNTIES IN MISSISSIPPI...

CHOCTAW...LOWNDES...OKTIBBEHA...WEBSTER...CLARKE...COPIAH...JASPER...
KEMPER...LAUDERDALE...LEAKE...NESHOBA...NEWTON...NOXUBEE ...SCOTT...
SIMPSON...SMITH...WINSTON...AMITE...COVINGTON...FORREST...GEORGE
...GREEN...JEFFERSON...DAVIS...JONES...LAMAR...LAWRENCE...LINCOLN...
MARION..PERRY...PIKE...WALTHALL...WAYNE...WILKINSON.
Special weather statement, Nov 1, 1:43 PM CST, 14 minutes before
MSZ029-031>033-038-039-044>046-050>052-054>056-062-063-012015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
143 PM CST SAT NOV 1 1997

...SEVERE THUNDERSTORM WATCH NUMBER 783 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES IN WESTERN MISSISSIPPI...

CHOCTAW...LOWNDES...OKTIBBEHA...WEBSTER...COPIAH...
KEMPER...LAUDERDALE...LEAKE...NESHOBA...NEWTON...NOXUBEE ...SCOTT...
SIMPSON...SMITH...WINSTON...AMITE...LAWRENCE...LINCOLN...
WALTHALL.

...SEVERE THUNDERSTORM WATCH 783 REMAINS IN EFFECT UNTIL 4 PM FOR THE
FOLLOWING COUNTIES IN MISSISSIPPI...

CLARKE...JASPER...COVINGTON...FORREST...GEORGE...GREENE...JEFFERSON
DAVIS...JONES...LAMAR...MARION...WAYNE.
Special weather statement, Nov 1, 1:43 PM CST, 14 minutes before
MSZ029-031>033-038-039-044>046-050>052-054>056-062-063-012015-

SPECIAL WEATHER STATEMENT...CORRECTION TO ADD PERRY COUNTY
NATIONAL WEATHER SERVICE JACKSON MS
143 PM CST SAT NOV 1 1997

...SEVERE THUNDERSTORM WATCH NUMBER 783 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES IN WESTERN MISSISSIPPI...

CHOCTAW...LOWNDES...OKTIBBEHA...WEBSTER...COPIAH...
KEMPER...LAUDERDALE...LEAKE...NESHOBA...NEWTON...NOXUBEE ...SCOTT...
SIMPSON...SMITH...WINSTON...AMITE...LAWRENCE...LINCOLN...
WALTHALL.

...SEVERE THUNDERSTORM WATCH 783 REMAINS IN EFFECT UNTIL 4 PM FOR THE
FOLLOWING COUNTIES IN MISSISSIPPI...

CLARKE...JASPER...COVINGTON...FORREST...GEORGE...GREENE...JEFFERSON
DAVIS...JONES...LAMAR...MARION...PERRY...WAYNE.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 31, 11:14 PM CSTSevere Thunderstorm WarningJANMadison31 min
Nov 1, 2:00 AM CSTSevere Thunderstorm WarningJANNoxubee45 min
Nov 1, 9:05 AM CSTSevere Thunderstorm WarningJANYazoo40 min
Nov 1, 9:25 AM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey50 min
Nov 1, 9:37 AM CSTSevere Thunderstorm WarningJANMadison53 min
Nov 1, 9:46 AM CSTSevere Thunderstorm WarningJANYazoo44 min
Nov 1, 9:50 AM CSTSevere Thunderstorm WarningJANHolmes55 min
Nov 1, 10:05 AM CSTSevere Thunderstorm WarningJANIssaquena40 min
Nov 1, 10:15 AM CSTSevere Thunderstorm WarningJANSharkey30 min
Nov 1, 10:22 AM CSTSevere Thunderstorm WarningJANLeake53 min
Nov 1, 10:30 AM CSTSevere Thunderstorm WarningJANMadison45 min
Nov 1, 10:31 AM CSTSevere Thunderstorm WarningJANYazoo44 min
Nov 1, 10:54 AM CSTSevere Thunderstorm WarningJANNeshoba, Newton66 min
Nov 1, 11:01 AM CSTSevere Thunderstorm WarningJANHinds59 min
Nov 1, 11:09 AM CSTSevere Thunderstorm WarningJANAttala51 min
Nov 1, 11:13 AM CSTSevere Thunderstorm WarningJANLeake47 min
Nov 1, 11:20 AM CSTSevere Thunderstorm WarningJANRankin55 min
Nov 1, 11:33 AM CSTSevere Thunderstorm WarningJANMadison42 min
Nov 1, 11:38 AM CSTSevere Thunderstorm WarningJANScott52 min
Nov 1, 11:45 AM CSTSevere Thunderstorm WarningJANKemper45 min
Nov 1, 11:57 AM CSTSevere Thunderstorm WarningJANNewton63 min
Nov 1, 12:08 PM CSTSevere Thunderstorm WarningJANRankin52 min
Nov 1, 12:13 PM CSTSevere Thunderstorm WarningJANSimpson, Smith62 min
Nov 1, 12:28 PM CSTSevere Thunderstorm WarningJANKemper32 min
Nov 1, 12:32 PM CSTSevere Thunderstorm WarningJANSimpson58 min
Nov 1, 12:39 PM CSTSevere Thunderstorm WarningJANClarke51 min
Nov 1, 12:54 PM CSTSevere Thunderstorm WarningJANJasper51 min
Nov 1, 1:06 PM CSTSevere Thunderstorm WarningJANCovington69 min
Nov 1, 1:28 PM CSTSevere Thunderstorm WarningJANClarke62 min
Nov 1, 1:28 PM CSTSevere Thunderstorm WarningJANJones62 min
Nov 1, 1:45 PM CSTTornado WarningJANClarke45 min
Nov 1, 2:17 PM CSTSevere Thunderstorm WarningJANMarion43 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; radar from the NEXRAD Level II archive.