Alert archive / Louisiana / Flash Flood Warnings in 1989

Flash Flood Warning 52, NWS Shreveport, LA

June 27, 1989Bienville Parish, Natchitoches Parish, Red River Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at Jun 27, 1989, 12:40 PM CDT for Bienville Parish, Natchitoches Parish, Red River Parish, Louisiana. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jun 27, 1989, 12:40 PM CDT (17:40 UTC)
Expired: Jun 27, 1989, 6:00 PM CDT
In force: 5 hr
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Bienville Parish, LA, Natchitoches Parish, LA, Red River Parish, LA

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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.7 hours before the alert went out and 215 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: 520 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 699 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 27, 7:27 AM CDT, 5 hours 13 minutes before

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Special weather statement, Jun 27, 10:06 AM CDT, 2 hours 34 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 12:40 PM CDT	Flash Flood Warning	SHV	De Soto, Sabine	5 hr
Jun 27, 4:34 PM CDT	Tornado Warning	SHV	Ouachita	56 min
Jun 27, 5:03 PM CDT	Tornado Warning	SHV	Morehouse	57 min
Jun 27, 5:38 PM CDT	Tornado Warning	SHV	Ouachita	52 min
Jun 27, 5:50 PM CDT	Flash Flood Warning	SHV	Natchitoches, Sabine	6 hr
Jun 27, 5:50 PM CDT	Flash Flood Warning	SHV	Bienville, Red River	6 hr
Jun 27, 5:50 PM CDT	Flash Flood Warning	SHV	Winn	6 hr

Nearby

Flash Flood Warnings in Louisiana, 1989 Every flash flood warning in 1989

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.