Alert archive / Colorado / Mesoscale Discussions in 2022

Mesoscale Discussion 2004

December 12, 20224 counties in Colorado; Colfax County, New Mexico

The Storm Prediction Center issued this mesoscale discussion at Dec 12, 2022, 7:01 PM MST for 4 counties in Colorado; Colfax County, New Mexico. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Dec 12, 2022, 7:01 PM MST (02:01 UTC)
Expired
Dec 12, 2022, 9:30 PM MST
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Snow squall

Counties Alamosa County, CO, Costilla County, CO, Huerfano County, CO, Las Animas County, CO, Colfax County, NM

The radar

The Pueblo radar (KPUX), 165 km from the middle of the area, began a volume at 02:05 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 nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 00:00Z, 2.0 hours before the alert went out and 274 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-pSkew-T log-p diagram, Albuquerq/Krtlnd, NM at 00:00Z on 2022-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 00:00Z on 2022-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3598 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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.

IssuedProductOfficeCountiesLasted
Dec 13, 3:24 AM MSTMesoscale DiscussionSPCAdams, Arapahoe, Logan, Morgan, Phillips, Sedgwick and 3 more5 hr
Dec 13, 10:14 AM MSTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Kit Carson, Logan, Morgan and 5 more3 hr
Dec 13, 1:41 PM MSTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington, Yuma4 hr

Nearby

Mesoscale Discussions in Colorado, 2022Mesoscale Discussions in New Mexico, 2022Every mesoscale discussion in 2022

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.