Alert archive / New Mexico / Mesoscale Discussions in 2003

Mesoscale Discussion 1773

July 11, 2003Cochise County, Graham County, Greenlee County, Arizona; 6 counties in New Mexico

The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2003, 10:37 AM MST for Cochise County, Graham County, Greenlee County, Arizona; 6 counties in New Mexico. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Jul 11, 2003, 10:37 AM MST (17:37 UTC)
Expired: Jul 11, 2003, 12:30 PM MST
In force: 113 min
Issued by: the Storm Prediction Center

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Doña Ana County, NM, Grant County, NM, Hidalgo County, NM, Luna County, NM, Otero County, NM, Sierra County, NM

The watches that followed

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

Severe Thunderstorm Watch 721Jul 11, 11:35 AM MST

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 5.6 hours before the alert went out and 255 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: 792 J/kg
Mixed-layer CIN: -388 J/kg
Mixed-layer LCL: 2095 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -12 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
Jul 11, 11:35 AM MST	Severe Thunderstorm Watch	SPC	Cochise, Graham, Greenlee	5 hr
Jul 11, 3:33 PM MST	Mesoscale Discussion	SPC	Cochise, Graham, Greenlee, Santa Cruz	87 min
Jul 11, 12:01 PM MST	Mesoscale Discussion	SPC	Colfax, Guadalupe, Harding, Los Alamos, Mora, Quay and 4 more	119 min
Jul 11, 2:38 PM MST	Mesoscale Discussion	SPC	Colfax, Curry, De Baca, Guadalupe, Harding, Mora and 4 more	97 min
Jul 11, 3:25 PM MST	Severe Thunderstorm Watch	SPC	Curry, De Baca, Quay, Roosevelt	6 hr

Nearby

Mesoscale Discussions in New Mexico, 2003 Mesoscale Discussions in Arizona, 2003 Every mesoscale discussion in 2003

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.