Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 35, NWS Shreveport, LA

March 17, 1987Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 17, 1987, 6:10 AM CST for Rusk County, Texas. It was in force for 50 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: Mar 17, 1987, 6:10 AM CST (12:10 UTC)
Expired: Mar 17, 1987, 7:00 AM CST
In force: 50 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Rusk County, TX

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

Time	Report	Where	Remark
Mar 17, 6:33 AM CST	Thunderstorm Wind 0	Rusk, TX

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, 0.2 hours before the alert went out and 31 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: 376 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 724 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 274 m²/s²
0-3 km storm-relative helicity: 386 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.5

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, Mar 17, 12:21 AM CST, 5 hours 49 minutes before

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Special weather statement, Mar 17, 1:36 AM CST, 4 hours 34 minutes before

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Special weather statement, Mar 17, 2:38 AM CST, 3 hours 32 minutes before

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Special weather statement, Mar 17, 3:40 AM CST, 2 hours 30 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 10:50 PM CST	Severe Thunderstorm Warning	SHV	Caddo	80 min
Mar 16, 11:10 PM CST	Severe Thunderstorm Warning	SHV	De Soto	75 min
Mar 17, 8:00 AM CST	Severe Thunderstorm Warning	SHV	De Soto, Red River	75 min
Mar 17, 10:10 AM CST	Severe Thunderstorm Warning	SHV	Jackson, Winn	70 min
Mar 17, 11:20 AM CST	Severe Thunderstorm Warning	SHV	Madison, Tensas	70 min
Mar 16, 8:55 PM CST	Severe Thunderstorm Warning	SHV	Harrison, Marion	65 min
Mar 16, 8:55 PM CST	Severe Thunderstorm Warning	SHV	Cass	65 min
Mar 16, 10:20 PM CST	Severe Thunderstorm Warning	SHV	Gregg	70 min
Mar 16, 10:20 PM CST	Severe Thunderstorm Warning	SHV	Cass	70 min
Mar 17, 6:55 AM CST	Severe Thunderstorm Warning	SHV	Harrison, Panola, Rusk	80 min
Mar 17, 6:55 AM CST	Severe Thunderstorm Warning	SHV	Gregg	80 min
Mar 17, 7:30 AM CST	Flash Flood Warning	SHV	Bowie, Cass	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1987 Every 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.