Alert archive / Louisiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 152, NWS Shreveport, LA

November 16, 1987Caddo Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Nov 16, 1987, 9:47 AM CST for Caddo Parish, Louisiana. It was in force for 58 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
Nov 16, 1987, 9:47 AM CST (15:47 UTC)
Expired
Nov 16, 1987, 10:45 AM CST
In force
58 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Caddo Parish, LA

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
Nov 16, 10:05 AM CSTThunderstorm Wind 0Caddo, LA

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

Longview/Gregg, TX (KGGG), launched 12:00Z, 3.8 hours before the alert went out and 72 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, Longview/Gregg, TX at 12:00Z on 1987-11-16Temperature 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, Longview/Gregg, TX at 12:00Z on 1987-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.1939587897117Sfc1 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
1135 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-22 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Nov 16, 6:16 AM CST, 3 hours 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
615 AM CST MON NOV 16 1987

7:25 PM...TORNADO DAMAGED BRIGHTON MANOR APARTMENTS IN SHREVEPORT
          IN CADDO PARISH LOUISIANA. NO INJURIES.

4:30 AM...FLOODING OF ROADS AND LOW AREAS AROUND WINNSBORO IN
          FRANKLIN PARISH LOUISIANA.

4:30 AM...TORNADO NEAR SWAMPERS LOUISIANA IN FRANKLIN PARISH.
          TWO TRAILERS DESTROYED...ONE HOUSE DAMAGED...ONE INJURY.

4:40 AM...WIND DAMAGE TO ROOFS ON FIVE HOUSES ALONG THE FRANKLIN/
          MADISON PARISH LINE EAST OF CROWVILLE LOUISIANA.

4:50 AM...WIND DAMAGE IN TALLULAH TO SIGNS...WINDOWS AND ROOFS. MADISON
          PARISH LOUISIANA.

 4:25 AM...FLOODING OF STREETS AND LOW AmREAS IN WINNFIELD IN
           WINN PARISH LOUISIANA.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 15, 6:20 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto70 min
Nov 15, 6:25 PM CSTTornado WarningSHVBossier, Caddo65 min
Nov 15, 6:25 PM CSTTornado WarningSHVDe Soto65 min
Nov 15, 7:25 PM CSTTornado WarningSHVBossier, Caddo, Webster65 min
Nov 15, 9:15 PM CSTSevere Thunderstorm WarningSHVMorehouse, Ouachita, Richland60 min
Nov 16, 12:20 AM CSTTornado WarningSHVFranklin, Tensas70 min
Nov 16, 12:30 AM CSTFlash Flood WarningSHVBossier, Caddo, De Soto4 hr
Nov 16, 1:45 AM CSTSevere Thunderstorm WarningSHVFranklin, Tensas60 min
Nov 16, 3:20 AM CSTSevere Thunderstorm WarningSHVTensas55 min
Nov 16, 4:15 AM CSTFlash Flood WarningSHVCaldwell, Jackson, Winn2 hr
Nov 16, 5:05 AM CSTSevere Thunderstorm WarningSHVMadison55 min
Nov 16, 9:47 AM CSTSevere Thunderstorm WarningSHVBossier, Webster58 min
Nov 16, 10:00 AM CSTFlash Flood WarningSHVCaldwell, Franklin, Jackson, Ouachita, Winn4 hr
Nov 16, 10:00 AM CSTFlash Flood WarningSHVDe Soto, Sabine4 hr
Nov 16, 10:00 AM CSTFlash Flood WarningSHVBienville, Bossier, Caddo, Natchitoches, Red River4 hr
Nov 16, 10:00 AM CSTFlash Flood WarningSHVClaiborne, Webster4 hr
Nov 16, 1:10 PM CSTSevere Thunderstorm WarningSHVFranklin, Madison, Tensas58 min
Nov 16, 4:25 PM CSTFlash Flood WarningSHVCaldwell, Ouachita4 hr
Nov 16, 4:25 PM CSTFlash Flood WarningSHVFranklin, Madison, Richland, Tensas4 hr
Nov 15, 6:25 PM CSTTornado WarningSHVCass, Marion65 min
Nov 15, 7:00 PM CSTTornado WarningSHVBowie45 min
Nov 15, 7:25 PM CSTTornado WarningSHVBowie65 min
Nov 16, 5:05 AM CSTSevere Thunderstorm WarningSHVPanola55 min
Nov 16, 10:00 AM CSTFlash Flood WarningSHVHarrison4 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1987Every severe thunderstorm warning 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.