Alert archive / Colorado / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 154, NWS Denver/Boulder, CO

September 3, 1999Morgan County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Sep 3, 1999, 5:51 PM MDT for Morgan County, Colorado. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 3, 1999, 5:51 PM MDT (23:51 UTC)
Expired: Sep 3, 1999, 6:30 PM MDT
In force: 39 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Morgan County, CO

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 3, 4:15 PM MDT	Tornado Watch	SPC	6 hr

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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 3, 3:05 PM MDT, 2 hours 46 minutes earlier.

Area forecast discussion, Sep 3, 3:05 PM MDT, 2 hours 46 minutes before

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In the hours before

Local storm report, Sep 3, 4:26 PM MDT, 1 hour 25 minutes before

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<head>
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  <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.
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Local storm report, Sep 3, 4:26 PM MDT, 1 hour 25 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
 426 PM MDT FRI SEP 03 1999

...PRELIMINARY STORM REPORT FOR SEPTEMBER 03 1999...

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0350 PM    AURORA                    CO   0.75 INCH HAIL
09/03/99   ARAPAHOE

0404 PM    AURORA                    CO   1.00 INCH HAIL
09/03/99   ARAPAHOE

Local storm report, Sep 3, 5:38 PM MDT, 13 minutes before

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<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>

Local storm report, Sep 3, 5:38 PM MDT, 13 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
538 PM MDT FRI SEP 03 1999

...PRELIMINARY STORM REPORT FOR SEPTEMBER 03 1999...

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0458 PM    10 S PROSPECT VALLEY      CO   1.00 INCH HAIL
09/03/99   ADAMS

0537 PM    NE DENVER                 CO   0.75 INCH HAIL
09/03/99   DENVER

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 2, 6:13 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	47 min
Sep 2, 6:15 PM MDT	Severe Thunderstorm Warning	BOU	Weld	35 min
Sep 2, 6:52 PM MDT	Tornado Warning	BOU	Morgan, Weld	38 min
Sep 2, 7:30 PM MDT	Severe Thunderstorm Warning	BOU	Weld	45 min
Sep 2, 7:46 PM MDT	Tornado Warning	BOU	Weld	44 min
Sep 2, 8:02 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	43 min
Sep 2, 8:22 PM MDT	Tornado Warning	BOU	Morgan	38 min
Sep 2, 8:31 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Weld	44 min
Sep 3, 3:47 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Denver	43 min
Sep 3, 3:47 PM MDT	Severe Thunderstorm Warning	BOU	Weld	43 min
Sep 3, 4:29 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Denver, Weld	41 min
Sep 3, 5:02 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Denver, Jefferson	43 min
Sep 3, 5:02 PM MDT	Severe Thunderstorm Warning	BOU	Boulder	43 min
Sep 3, 5:13 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	32 min
Sep 3, 5:25 PM MDT	Severe Thunderstorm Warning	BOU	Weld	35 min
Sep 3, 5:45 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Denver	45 min
Sep 3, 5:45 PM MDT	Severe Thunderstorm Warning	BOU	Weld	45 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1999 Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.