Alert archive / Montana / Flash Flood Warnings in 2001

Flash Flood Warning 6, NWS Glasgow, MT

July 15, 2001Richland County, Montana

NWS Glasgow, MT issued this flash flood warning at Jul 15, 2001, 1:26 AM MDT for Richland County, Montana. It was in force for 3 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: Jul 15, 2001, 1:26 AM MDT (07:26 UTC)
Expired: Jul 15, 2001, 4:30 AM MDT
In force: 3 hr
Issued by: NWS Glasgow, MT
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Richland County, MT

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 7.4 hours before the alert went out and 159 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: 434 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 2657 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 74 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.

NWS Glasgow, MT wrote its last area forecast discussion before this flash flood warning went out at Jul 14, 9:00 PM MDT, 4 hours 26 minutes earlier.

Area forecast discussion, Jul 14, 9:00 PM MDT, 4 hours 26 minutes before

<!doctype html>
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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">
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        Please try again in a few minutes.
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      <p class="small" id="detail">
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In the hours before

Local storm report, Jul 14, 9:47 PM MDT, 3 hours 39 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Glasgow, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 14, 6:45 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	60 min
Jul 14, 7:18 PM MDT	Flash Flood Warning	GGW	Garfield	3 hr
Jul 14, 7:45 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	60 min
Jul 15, 5:11 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	64 min
Jul 15, 5:13 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	62 min
Jul 15, 5:53 PM MDT	Flash Flood Warning	GGW	Garfield	3 hr

Nearby

Flash Flood Warnings in Montana, 2001 Every flash flood warning in 2001

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.