Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 52, NWS Fort Worth, TX

March 17, 1987Upshur County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 17, 1987, 1:26 AM CST for Upshur County, Texas. It was in force for 34 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, 1:26 AM CST (07:26 UTC)
Expired: Mar 17, 1987, 2:00 AM CST
In force: 34 min
Issued by: NWS Fort Worth, TX
Area: Whole counties

County Upshur 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, 1:45 AM CST	Hail 1	Upshur, 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 00:00Z, 7.4 hours before the alert went out and 54 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: 27 J/kg
Mixed-layer CIN: -207 J/kg
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 362 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 16, 11:45 PM CST, 1 hour 41 minutes before

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Local storm report, Mar 16, 11:53 PM CST, 1 hour 33 minutes before

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Special weather statement, Mar 17, 12:11 AM CST, 1 hour 15 minutes before

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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 16, 9:20 PM CST	Severe Thunderstorm Warning	FWD	Wood	25 min
Mar 16, 9:50 PM CST	Severe Thunderstorm Warning	FWD	Hopkins	40 min
Mar 16, 9:58 PM CST	Tornado Warning	FWD	Hamilton	32 min
Mar 16, 10:14 PM CST	Severe Thunderstorm Warning	FWD	Smith	46 min
Mar 17, 1:24 AM CST	Severe Thunderstorm Warning	FWD	Bell, Falls, McLennan	66 min
Mar 17, 2:01 AM CST	Severe Thunderstorm Warning	FWD	Hill	29 min
Mar 17, 6:13 AM CST	Severe Thunderstorm Warning	FWD	Smith	32 min

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.