Alert archive / Mississippi / Tornado Warnings in 1987

Tornado Warning 14, NWS Jackson, MS

April 13, 1987Claiborne County, Warren County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 13, 1987, 10:15 PM CDT for Claiborne County, Warren County, Mississippi. It was in force for 45 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
Apr 13, 1987, 10:15 PM CDT (03:15 UTC)
Expired
Apr 13, 1987, 11:00 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Claiborne County, MS, Warren County, MS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Apr 13, 11:00 PM CDTThunderstorm Wind 55Warren, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.3 hours before the alert went out and 77 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 00:00Z on 1987-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1987-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
544 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 140315
TORJAN
MSC021-149-140400-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1015 PM CDT MON APR 13 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN WEST CENTRAL MISSISSIPPI
          ...CLAIBORNE...WARREN
 
AT 1015 PM CDT...RADAR INDICATED A POSSIBLE TORNADO NEAR NEWELLTON IN
NORTHEAST LOUISIANA MOVING EAST NORTHEAST AT 30 MPH.  ON ITS PRESENT
TRACK THIS VERY DANGEROUS STORM WILL MOVE BETWEEN VICKSBURG AND PORT
GIBSON WITHIN THE NEXT HALF HOUR.
 
THIS STORM IS A DANGEROUS STORM.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUNjD IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

What forecasters said that day

The local office's own words before this tornado 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 13, 5:57 PM CDT, 4 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
600 PM CDT MON APR 13 1987

A TORNADO WATCH IS IN EFFECT FOR MOST OF WESTERN MISSISSIPPI UNTIL
11 PM TONIGHT. A LINE OF STRONG THUNDERSTORMS IS CURRENTLY MOVING
THROUGH THE DELTA. THE REST OF THE STATE IS ALSO EXPERIENCING RAIN
AND SCATTERED THUNDERSTORMS.

MISSISSIPPIANS SHOULD REMAIN WEATHER CONSCIOUS TONIGHT AND LISTEN FOR
ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
Local storm report, Apr 13, 6:27 PM CDT, 3 hours 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
 625 PM CDT MON APR 13 1987

 512 PM CDT...WIND GUST TO 63 MPH AT GREENVILLE AIRPORT (GLH) IN
     WASHINGTON COUNTY.

530 PM CDT...POWER LINE BLOWN DOWN IN SCOTT (BOLIVAR COUNTY).

535 PM CDT...LARGE TREE BLOWN DOWN IN SHAW (BOLIVAR COUNTY). ONLY
     ONE TREE IN AREA.  ALSO...PEA SIZE HAIL REPORTED AT CHOCTAW A
     FEW MINUTES EARLIER.
 <<
Special weather statement, Apr 13, 6:40 PM CDT, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
640 PM CDT MON APR 13 1987

...A TORNADO WATCH IS IN EFFECT FOR MOST OF WESTERN MISSISSIPPI UNTIL
11 PM TONIGHT...

SCATTERED THUNDERSTORMS ARE OCCURRING ACROSS MOST OF MISSISSIPPI
THIS EVENING. HOWEVER, THE MOST THREATENING STORMS ARE ALONG A LINE
THAT IS CURRENTLY MOVING THROUGH LEFLORE...HUMPHREYS AND SHARKEY
COUNTIES. OTHER STRONG STORMS ARE NEAR VICKSBURG AND EDWARDS.

INDIVIDUAL STORMS ARE MOVING NORTHEAST AT 40 MPH WHILE THE LINE IN
THE DELTA IS MOVING EAST AT 25 MPH.

MISSISSIPPIANS SHOULD REMAIN WEATHER CONSCIOUS TONIGHT AND LISTEN FOR
ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 13, 7:35 PM CDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
735 PM CDT MON APR 13 1987

...A TORNADO WATCH IS IN EFFECT FOR MOST OF WESTERN MISSISSIPPI UNTIL
11 PM TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS ARE OCCURRING ACROSS MOST OF
MISSISSIPPI THIS EVENING. THE STRONGEST STORM IS IN CARROLL COUNTY NEAR
CARROLLTON. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE LOCATED NEAR
PICKENS IN HOLMES COUNTY...IN CENTRAL WARREN COUNTY AND NEAR PORT
GIBSON.

INDIVIDUAL STORMS ARE MOVING NORTHEAST AT 35 MPH.

ALTHOUGH COVERAGE AND INTENSITIES HAVE DECREASED OVER MISSISSIPPI DURING
THE PAST HOUR...THUNDERSTORMS HAVE REDEVELOPED OVER NORTHEASTERN
LOUISIANA. THESE STO	RMS HAVE DEVELOPED IN ADVANCE OF THE COLD FRONT
WHICH HAD ENTERED NORTHWEST LOUISIANA. THUS...MISSISSIPPIANS SHOULD
REMAIN WEATHER CONSCIOUS THIS EVENING AND LISTEN FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 13, 8:38 PM CDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
835 PM CDT MON APR 13 1987

...A TORNADO WATCH IS IN EFFECT FOR MOST OF WESTERN MISSISSIPPI UNTIL
11 PM TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS ARE OCCURRING ACROSS MOST OF
MISSISSIPPI THIS EVENING. THE STRONGEST STORM WAS NEAR WOODVILLE IN
WILKINSON COUNTY AT 830 PM. INDIVIDUAL STORMS WERE MOVING NORTHEAST
AT 35 MPH.

THUNDERSTORM INTENSITY HAS DECREASED SIGNIFICANTLY OVER MISSISSIPPI
DURING THE PAST TWO HOURS. HOWEVER..THUNDERSTORMS HAVE REDEVELOPED OVER
EASTERN LOUISIANA. THESE STORMS HAVE DEVELOPED IN ADVANCE OF THE COLD
FRONT WHICH IS MOVING THROUGH LOUISIANA.

CONSEQUENTLY, THE THREAT +OF SEVERE WEATHER IS NOT OVER YET.
MISSISSIPPIANS SHOULD REMAIN WEATHER CONSCIOUS AND LISTEN FOR FURTHER
STATEMENTS.
Special weather statement, Apr 13, 9:48 PM CDT, 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
945 PM CDT MON APR 13 1987

...TORNADO WATCH NUMBER 62 REMAINS IN EFFECT FOR MOST OF WESTERN
MISSISSIPPI UNTIL 11 PM TONIGHT...

AT 940 PM CDT A LINE OF STRONG THUNDERSTORMS EXTENDED THROUGH THE
EXTREME WESTERN PORTION OF THE DELTA SOUTHWARD THROUGH EXTREME EASTERN
LOUISIANA. THE STRONGEST STORMS IN MISSISSIPPI WERE LOCATED NEAR
GREENVILLE AND 10 MILES WEST OF ROLLING FORK.

OTHER STRONG THUNDERSTORMS WERE LOCATED IN NORTHEAST LOUISIANA NEAR
LAKE PROVIDENCE...BETWEEN DELHI AND TALLULAH...AND 10 MILES SOUTHEAST
OF WINNSBORO. THE LINE OF THUNDERSTORMS WAS MOVING TOWARD THE EAST
SOUTHEAST AT 25 MPH...AND THE STRONXG THUNDERSTORMS IN NORTHEAST
LOUISIANA WILL BE ENTERING WEST CENTRAL MISSISSIPPI DURING THE NEXT
HOUR.{}
RESIDENTS OF WESTERN MISSISSIPPI SHOULD REMAIN READY TO TAKE QUICK
ACTION IF THE WEATHER BECOMES THREATENING OR A WARNING IS ISSUED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 10:58 PM CDTSevere Thunderstorm WarningJANWarren47 min

Nearby

Tornado Warnings in Mississippi, 1987Every tornado warning in 1987Tornadoes in 1987

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.