Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 1967

August 11, 200412 counties in Colorado; 7 counties in New Mexico

The Storm Prediction Center issued this mesoscale discussion at Aug 11, 2004, 5:27 PM MDT for 12 counties in Colorado; 7 counties in New Mexico. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 11, 2004, 5:27 PM MDT (23:27 UTC)
Expired: Aug 11, 2004, 7:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Jefferson County, CO, Las Animas County, CO, Lincoln County, CO, Otero County, CO, Pueblo County, CO, Teller County, CO, Colfax County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Lincoln County, NM, Mora County, NM, San Miguel County, NM

The nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 11.5 hours before the alert went out and 194 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: 61 J/kg
Mixed-layer CIN: -421 J/kg
Mixed-layer LCL: 2167 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 10, 6:46 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Crowley, Denver, Douglas and 6 more	59 min
Aug 10, 8:35 PM MDT	Tornado Watch	SPC	Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more	4 hr
Aug 11, 12:11 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Crowley and 14 more	94 min
Aug 11, 1:20 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 13 more	7 hr
Aug 11, 1:41 PM MDT	Mesoscale Discussion	SPC	Bernalillo, Chaves, Colfax, De Baca, Eddy, Guadalupe and 9 more	94 min
Aug 11, 2:35 PM MDT	Severe Thunderstorm Watch	SPC	Chaves, Colfax, Curry, De Baca, Guadalupe, Harding and 7 more	5 hr

Nearby

Mesoscale Discussions in Colorado, 2004 Mesoscale Discussions in New Mexico, 2004 Every mesoscale discussion in 2004

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.