Alert archive / Iowa / Flash Flood Warnings in 1993

Flash Flood Warning 52, NWS Omaha, NE

July 24, 1993Fremont County, Iowa

NWS Omaha, NE issued this flash flood warning at Jul 24, 1993, 4:20 AM CDT for Fremont County, Iowa. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jul 24, 1993, 4:20 AM CDT (09:20 UTC)
Expired: Jul 24, 1993, 8:15 AM CDT
In force: 4 hr
Issued by: NWS Omaha, NE
Area: Whole counties

County Fremont County, IA

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 9.3 hours before the alert went out and 91 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: 465 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 966 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

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, Jul 24, 2:35 AM CDT, 1 hour 45 minutes before

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Special weather statement, Jul 24, 2:36 AM CDT, 1 hour 44 minutes before

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Special weather statement, Jul 24, 3:45 AM CDT, 35 minutes before

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Special weather statement, Jul 24, 3:45 AM CDT, 35 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">
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      <p id="message2">
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Special weather statement, Jul 24, 4:03 AM CDT, 17 minutes before

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<body>
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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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Special weather statement, Jul 24, 4:03 AM CDT, 17 minutes before

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<head>
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<body>
  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        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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      <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 Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 23, 9:34 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	56 min
Jul 23, 10:12 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Pawnee	48 min
Jul 23, 10:33 PM CDT	Flash Flood Warning	OAX	Richardson	6 hr
Jul 23, 10:56 PM CDT	Flash Flood Warning	OAX	Nemaha	5 hr
Jul 23, 11:36 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	39 min
Jul 24, 12:55 AM CDT	Severe Thunderstorm Warning	OAX	Nemaha	35 min
Jul 24, 2:53 AM CDT	Flash Flood Warning	OAX	Cass	6 hr
Jul 24, 4:20 AM CDT	Flash Flood Warning	OAX	Lancaster	5 hr
Jul 24, 4:37 AM CDT	Flash Flood Warning	OAX	Seward	4 hr
Jul 24, 6:57 PM CDT	Tornado Warning	OAX	Saline	33 min
Jul 24, 5:20 AM CDT	Flash Flood Warning	OAX	Mills	5 hr

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.