Alert archive / Iowa / Flash Flood Warnings in 1993

Flash Flood Warning 26, NWS Des Moines, IA

June 19, 1993Benton County, Iowa County, Iowa

NWS Des Moines, IA issued this flash flood warning at Jun 19, 1993, 2:46 PM CDT for Benton County, Iowa County, Iowa. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jun 19, 1993, 2:46 PM CDT (19:46 UTC)
Expired: Jun 19, 1993, 5:00 PM CDT
In force: 2 hr
Issued by: NWS Des Moines, IA
Area: Whole counties

Counties Benton County, IA, Iowa County, IA

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 7.8 hours before the alert went out and 352 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 522 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 163 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 19, 2:22 PM CDT, 24 minutes before

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Special weather statement, Jun 19, 2:24 PM CDT, 22 minutes before

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Special weather statement, Jun 19, 2:25 PM CDT, 21 minutes before

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Special weather statement, Jun 19, 2:28 PM CDT, 18 minutes before

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      <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.
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      <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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Special weather statement, Jun 19, 2:40 PM CDT, 6 minutes before

<!doctype html>
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<head>
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</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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Special weather statement, Jun 19, 2:42 PM CDT, 4 minutes before

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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.
      </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.
      </p>
    </section>
  </main>
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</body>
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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 7:13 PM CDT	Severe Thunderstorm Warning	DMX	Butler	47 min
Jun 19, 1:20 PM CDT	Flash Flood Warning	DMX	Marion	110 min

Nearby

Flash Flood Warnings in Iowa, 1993 Every flash flood warning in 1993

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.