Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 46, NWS Lake Charles, LA

June 30, 1989Jefferson County, Texas

NWS Lake Charles, LA issued this flash flood warning at Jun 30, 1989, 3:38 AM CDT for Jefferson County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 1989, 3:38 AM CDT (08:38 UTC)
Expired: Jun 30, 1989, 6:45 AM CDT
In force: 3 hr
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Jefferson 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.6 hours before the alert went out and 96 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: 1247 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 605 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 118 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 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 29, 10:47 PM CDT, 4 hours 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALEXANDRIA LA
1045 PM CDT THU JUN 29 1989

...FLASH FLOOD WATCH IN EFFECT FOR TONIGHT FOR RAPIDES AND
GRANT PARISHES OF CENTRAL LOUISIANA...

...FLASH FLOOD WARNING IN EFFECT FOR RAPIDES PARISH UNTIL
200 AM CDT THIS FRIDAY MORNING...

AT 1045 PM CDT RAIN AND THUNDERSTORMS WAS ENTERING RAPIDES
PARISH FROM THE SOUTHEAST MOVING NORTHWEST...EXPECT HEAVY RAINS
FROM THE THUNDERSTORMS AS THEY MOVE THROUGH THE CHENEYVILLE
LECOMPTE AREAS THEN ON ITO THE ALEXANDRIA PINEVILLE AREA...

Special weather statement, Jun 30, 1:44 AM CDT, 1 hour 54 minutes before

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Special weather statement, Jun 30, 2:42 AM CDT, 56 minutes before

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<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">
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<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.
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      <p id="message2">
        Please try again in a few minutes.
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        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 Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 10:00 PM CDT	Flash Flood Warning	LCH	Rapides	4 hr
Jun 30, 12:39 AM CDT	Flash Flood Warning	LCH	Calcasieu, Cameron	2 hr
Jun 30, 10:16 AM CDT	Flash Flood Warning	LCH	Beauregard, Calcasieu	3 hr
Jun 30, 10:16 AM CDT	Flash Flood Warning	LCH	Cameron	3 hr
Jun 30, 9:42 AM CDT	Flash Flood Warning	LCH	Orange	2 hr
Jun 30, 11:42 AM CDT	Flash Flood Warning	LCH	Orange	2 hr

Nearby

Flash Flood Warnings in Texas, 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.