Alert archive / Colorado / Mesoscale Discussions in 2006

Mesoscale Discussion 934

May 22, 200624 counties in Colorado; Rio Arriba County, Taos County, New Mexico; Sweetwater County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at May 22, 2006, 12:40 PM MDT for 24 counties in Colorado; Rio Arriba County, Taos County, New Mexico; Sweetwater County, Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 22, 2006, 12:40 PM MDT (18:40 UTC)
Expired: May 22, 2006, 2:45 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 27 counties

Alamosa County, CO, Archuleta County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Delta County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, Hinsdale County, CO, La Plata County, CO, Lake County, CO, Mesa County, CO, Mineral County, CO, Moffat County, CO, Montrose County, CO, Ouray County, CO, Pitkin County, CO, Rio Blanco County, CO, Rio Grande County, CO, Routt County, CO, Saguache County, CO, San Juan County, CO, San Miguel County, CO, Rio Arriba County, NM, Taos County, NM, Sweetwater County, WY

The radar

The Grand Junction radar (KGJX), 97 km from the middle of the area, began a volume at 18:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 376May 22, 2:30 PM MDT

The nearest sounding before it

Grand Junction, CO (KGJT), launched 12:00Z, 6.7 hours before the alert went out and 122 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: 1 J/kg
Mixed-layer CIN: -269 J/kg
Mixed-layer LCL: 3044 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 152 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
May 22, 1:59 PM MDT	Mesoscale Discussion	SPC	Crowley, Huerfano, Las Animas, Otero, Pueblo	2 hr
May 22, 2:29 PM MDT	Severe Thunderstorm Watch	SPC	Costilla, Crowley, Custer, El Paso, Fremont, Huerfano and 4 more	7 hr
May 22, 2:48 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 3 more	117 min
May 22, 4:01 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Clear Creek and 17 more	5 hr
May 22, 4:58 PM MDT	Mesoscale Discussion	SPC	Alamosa, Archuleta, Chaffee, Conejos, Delta, Eagle and 17 more	3 hr
May 22, 5:50 PM MDT	Mesoscale Discussion	SPC	Campbell, Crook, Johnson, Natrona, Sheridan, Washakie and 1 more	2 hr

Nearby

Mesoscale Discussions in Colorado, 2006 Mesoscale Discussions in New Mexico, 2006 Mesoscale Discussions in Wyoming, 2006 Every mesoscale discussion in 2006

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; radar from the NEXRAD Level II archive.