Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 1, NWS Kansas City, MO

March 10, 2010Henry County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 10, 2010, 6:45 PM CST for Henry County, Missouri. It was in force for 30 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: Mar 10, 2010, 6:45 PM CST (00:45 UTC)
Expired: Mar 10, 2010, 7:15 PM CST
In force: 30 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

County Henry County, MO

The radar

The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 00:49 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

Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 165 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: 397 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1999 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

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, Mar 10, 6:26 PM CST, 19 minutes before

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Special weather statement, Mar 10, 6:42 PM CST, 3 minutes before

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<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.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 6:26 PM CST	Special Weather Statement	EAX	Henry	49 min
Mar 10, 6:42 PM CST	Special Weather Statement	EAX	Saline	33 min
Mar 10, 7:19 PM CST	Special Weather Statement	EAX	Pettis	26 min
Mar 10, 7:39 PM CST	Special Weather Statement	EAX	Pettis	36 min
Mar 10, 8:36 PM CST	Special Weather Statement	EAX	Saline	24 min
Mar 11, 12:14 AM CST	River Flood Warning	EAX	Clay, Ray	9 hr
Mar 11, 12:54 AM CST	River Flood Warning	EAX	Ray	34 hr
Mar 11, 1:53 AM CST	River Flood Warning	EAX	Cooper	11 hr
Mar 11, 4:51 AM CST	River Flood Warning	EAX	Andrew, Nodaway	24 hr
Mar 11, 5:39 AM CST	River Flood Warning	EAX	Cass, Henry, Johnson	10 hr
Mar 11, 5:39 AM CST	River Flood Warning	EAX	Bates, Cass, Henry	29 hr
Mar 11, 5:39 AM CST	River Flood Warning	EAX	Carroll	15 hr
Mar 11, 6:10 AM CST	River Flood Warning	EAX	Chariton, Macon	28 hr
Mar 11, 6:10 AM CST	River Flood Warning	EAX	Daviess, Livingston	41 hr
Mar 11, 7:10 AM CST	River Flood Warning	EAX	Clay, Jackson, Ray	3 hr
Mar 11, 7:10 AM CST	River Flood Warning	EAX	Jackson, Lafayette, Ray	19 days
Mar 11, 7:10 AM CST	River Flood Warning	EAX	Carroll, Lafayette, Saline	19 days
Mar 11, 7:10 AM CST	River Flood Warning	EAX	Carroll, Chariton, Saline	19 days
Mar 11, 7:10 AM CST	River Flood Warning	EAX	Chariton, Howard, Saline	7 days
Mar 11, 8:06 AM CST	Areal Flood Warning	EAX	Andrew, Atchison, Caldwell, Clinton, Daviess, DeKalb and 11 more	12 hr
Mar 11, 8:36 AM CST	River Flood Warning	EAX	Atchison, Holt	20 hr
Mar 11, 8:40 AM CST	River Flood Warning	EAX	Daviess, Gentry	34 hr
Mar 11, 9:50 AM CST	River Flood Warning	EAX	Cooper, Howard	7 days
Mar 11, 1:10 PM CST	River Flood Warning	EAX	Andrew, Buchanan	20 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2010 Every severe thunderstorm warning in 2010

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.