Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 18, NWS Tucson, AZ

July 5, 1996Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 5, 1996, 9:15 PM MST for Cochise County, Arizona. It was in force for 45 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: Jul 5, 1996, 9:15 PM MST (04:15 UTC)
Expired: Jul 5, 1996, 10:00 PM MST
In force: 45 min
Issued by: NWS Tucson, AZ
Area: Whole counties

County Cochise County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 4.3 hours before the alert went out and 113 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: 968 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 3071 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: -14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

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 Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 8:59 PM MST, 16 minutes earlier.

Area forecast discussion, Jul 5, 8:59 PM MST, 16 minutes before

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In the hours before

Special weather statement, Jul 5, 4:29 PM MST, 4 hours 46 minutes before

<!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.
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    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 5:02 PM MST	Severe Thunderstorm Warning	TWC	Pima	58 min
Jul 5, 7:50 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Greenlee	40 min
Jul 5, 8:34 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Graham	41 min
Jul 6, 2:13 PM MST	Severe Thunderstorm Warning	TWC	Graham	47 min
Jul 6, 2:35 PM MST	Flash Flood Warning	TWC	Greenlee	70 min
Jul 6, 2:35 PM MST	Severe Thunderstorm Warning	TWC	Greenlee	70 min
Jul 6, 3:20 PM MST	Severe Thunderstorm Warning	TWC	Graham	40 min
Jul 6, 3:49 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	41 min
Jul 6, 4:07 PM MST	Severe Thunderstorm Warning	TWC	Cochise	53 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1996 Every severe thunderstorm warning in 1996

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.