Alert archive / Texas / Flash Flood Warnings in 1987

Flash Flood Warning 32, NWS Fort Worth, TX

June 12, 1987Hill County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 12, 1987, 9:09 PM CDT for Hill County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jun 12, 1987, 9:09 PM CDT (02:09 UTC)
Expired: Jun 13, 1987, 12:15 AM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Whole counties

County Hill County, TX

The radar

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

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 2.2 hours before the alert went out and 95 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: 822 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: -7 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.7

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 flash flood 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, Jun 12, 3:16 PM CDT, 5 hours 53 minutes before

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Special weather statement, Jun 12, 3:48 PM CDT, 5 hours 21 minutes before

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Special weather statement, Jun 12, 6:28 PM CDT, 2 hours 41 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</body>
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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
Jun 12, 7:00 PM CDT	Severe Thunderstorm Warning	FWD	Brown	60 min
Jun 13, 4:09 AM CDT	Flash Flood Warning	FWD	Hopkins	4 hr
Jun 13, 6:23 AM CDT	Flash Flood Warning	FWD	Kaufman, Van Zandt	4 hr
Jun 13, 7:41 AM CDT	Flash Flood Warning	FWD	Smith, Wood	4 hr
Jun 13, 2:14 PM CDT	Severe Thunderstorm Warning	FWD	Hill	61 min

Nearby

Flash Flood Warnings in Texas, 1987 Every flash flood 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; the sounding from the Mesonet's radiosonde archive.