Alert archive / Nebraska / Flash Flood Warnings in 1998

Flash Flood Warning 19, NWS Omaha, NE

June 28, 1998Richardson County, Nebraska

NWS Omaha, NE issued this flash flood warning at Jun 28, 1998, 11:55 PM CDT for Richardson County, Nebraska. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 28, 1998, 11:55 PM CDT (04:55 UTC)
Expired: Jun 29, 1998, 5:55 AM CDT
In force: 6 hr
Issued by: NWS Omaha, NE
Area: Whole counties

County Richardson County, NE

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.9 hours before the alert went out and 125 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: 7536 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 985 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 315 m²/s²
Significant tornado parameter: 18.3
Supercell composite: 82.8

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 28, 7:28 PM CDT, 4 hours 27 minutes before

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Special weather statement, Jun 28, 10:07 PM CDT, 1 hour 48 minutes before

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Special weather statement, Jun 28, 10:07 PM CDT, 1 hour 48 minutes before

<!doctype html>
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<head>
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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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Special weather statement, Jun 28, 10:22 PM CDT, 1 hour 33 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.
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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 Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 9:48 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	32 min
Jun 28, 11:21 PM CDT	Severe Thunderstorm Warning	OAX	Pawnee	49 min
Jun 28, 11:51 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	49 min
Jun 29, 12:22 AM CDT	Severe Thunderstorm Warning	OAX	Gage	48 min
Jun 29, 9:51 AM CDT	Severe Thunderstorm Warning	OAX	Knox	64 min
Jun 29, 10:31 AM CDT	Tornado Warning	OAX	Knox	34 min
Jun 29, 10:42 AM CDT	Tornado Warning	OAX	Cedar, Pierce	48 min
Jun 29, 11:05 AM CDT	Tornado Warning	OAX	Wayne	50 min
Jun 29, 11:29 AM CDT	Tornado Warning	OAX	Cuming, Thurston	46 min
Jun 29, 11:57 AM CDT	Tornado Warning	OAX	Burt	48 min
Jun 29, 3:25 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	50 min
Jun 29, 3:39 PM CDT	Tornado Warning	OAX	Seward	51 min
Jun 29, 4:08 PM CDT	Tornado Warning	OAX	Lancaster, Saline	62 min
Jun 29, 4:39 PM CDT	Severe Thunderstorm Warning	OAX	Gage	61 min
Jun 29, 4:56 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	49 min
Jun 29, 5:06 PM CDT	Severe Thunderstorm Warning	OAX	Johnson	49 min
Jun 29, 12:03 PM CDT	Severe Thunderstorm Warning	OAX	Monona	47 min
Jun 29, 12:30 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	60 min
Jun 29, 12:45 PM CDT	Tornado Warning	OAX	Shelby	35 min
Jun 29, 4:46 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	34 min
Jun 29, 5:36 PM CDT	Severe Thunderstorm Warning	OAX	Page	49 min

Nearby

Flash Flood Warnings in Nebraska, 1998 Every flash flood warning in 1998

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.