Alert archive / Missouri / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 10, NWS Springfield, MO

May 13, 1986Shannon County, Texas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 13, 1986, 9:46 PM CDT for Shannon County, Texas County, Missouri. It was in force for 44 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 13, 1986, 9:46 PM CDT (02:46 UTC)
Expired: May 13, 1986, 10:30 PM CDT
In force: 44 min
Issued by: NWS Springfield, MO
Area: Whole counties

Counties Shannon County, MO, Texas County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where
May 13, 9:53 PM CDT	Hail 1.25	Texas, MO
May 13, 10:15 PM CDT	Hail 1	Shannon, MO
May 13, 10:40 PM CDT	Hail 1	Texas, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 2.8 hours before the alert went out and 192 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: 1322 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

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.

In the hours before

Special weather statement, May 13, 4:20 PM CDT, 5 hours 26 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, May 13, 8:20 PM CDT, 1 hour 26 minutes before

SPECIAL WEATHER STANTEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
820 PM CDT TUE MAY 13 1986

...INTENSE THUNDERSTORM OVER NORTHERN TEXAS COUNTY IN SOUTHCENTRAL
MISSOURI...

RADAR AT 815 PM CDT INDICATED AN INTENSE THUNDERSTORM 25 MILES
NORTHWEST OF HOUSTON MISSOURI MOVING EAST 20 MPH

THE THUNDERSTORM WILL MOVE INTO THE TOWN OF LICKING..12 MILES
NORTHEAST OF HOUSTON BY 830 PM.

NPEOPLE IN THE PATH OF THE THUNDERSTORM SHOUL+D BE PREPARED FOR HAIL..
STRONG GUSTY WIND AND HEAVY RAIN.

LEE

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 13, 10:30 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	60 min
May 13, 11:30 PM CDT	Flash Flood Warning	SGF	Shannon	4 hr
May 14, 2:57 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Polk	63 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1986 Every severe thunderstorm warning in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.