Alert archive / Missouri / Areal Flood Advisories in 2008

Areal Flood Advisory 21, NWS Kansas City, MO

May 7, 2008Bates County, Missouri

NWS Kansas City, MO issued this areal flood advisory at May 7, 2008, 10:06 AM CDT for Bates County, Missouri. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 7, 2008, 10:06 AM CDT (15:06 UTC)
Expired: May 7, 2008, 4:00 PM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

County Bates County, MO

The radar

The Pleasant Hill radar (KEAX), 62 km from the middle of the area, began a volume at 15:09 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 12:00Z, 3.1 hours before the alert went out and 158 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: 1122 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 553 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this areal flood advisory went out at May 7, 6:20 AM CDT, 3 hours 46 minutes earlier.

Area forecast discussion, May 7, 6:20 AM CDT, 3 hours 46 minutes before

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Hazardous weather outlook, May 7, 5:56 AM CDT, 4 hours 10 minutes before

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  <meta charset="utf-8">
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  <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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The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 11:38 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt, Nodaway	37 min
May 7, 4:16 AM CDT	Flood Watch	EAX	Bates, Carroll, Cass, Chariton, Cooper, Henry and 6 more	19 hr

Nearby

Areal Flood Advisories in Missouri, 2008 Every areal flood advisory in 2008

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.