Alert archive / Missouri / Areal Flood Advisories in 2012

Areal Flood Advisory 13, NWS Kansas City, MO

July 8, 2012Linn County, Livingston County, Missouri

NWS Kansas City, MO issued this areal flood advisory at Jul 8, 2012, 10:52 AM CDT for Linn County, Livingston County, Missouri. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 8, 2012, 10:52 AM CDT (15:52 UTC)
Expired: Jul 8, 2012, 5:00 PM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

Counties Linn County, MO, Livingston County, MO

The radar

The Pleasant Hill radar (KEAX), 139 km from the middle of the area, began a volume at 15:55 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

Topeka, KS (KTOP), launched 12:00Z, 3.9 hours before the alert went out and 219 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: 1229 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 1386 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: -21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 8, 6:27 AM CDT, 4 hours 25 minutes earlier.

Area forecast discussion, Jul 8, 6:27 AM CDT, 4 hours 25 minutes before

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Hazardous weather outlook, Jul 8, 5:02 AM CDT, 5 hours 50 minutes before

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</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>
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        Please try again in a few minutes.
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        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
Jul 7, 7:24 PM CDT	Special Weather Statement	EAX	Linn	36 min
Jul 7, 9:54 PM CDT	Special Weather Statement	EAX	Randolph	51 min
Jul 7, 11:15 PM CDT	Special Weather Statement	EAX	Andrew	15 min
Jul 7, 11:23 PM CDT	Special Weather Statement	EAX	Andrew	22 min
Jul 7, 11:25 PM CDT	Special Weather Statement	EAX	DeKalb	20 min
Jul 7, 11:46 PM CDT	Special Weather Statement	EAX	DeKalb	29 min
Jul 8, 12:03 AM CDT	Severe Thunderstorm Warning	EAX	DeKalb	27 min
Jul 8, 12:17 AM CDT	Special Weather Statement	EAX	Gentry	28 min
Jul 8, 12:30 AM CDT	Special Weather Statement	EAX	DeKalb	30 min
Jul 8, 3:23 AM CDT	Heat Advisory	EAX	Bates, Cooper, Henry, Howard, Pettis	16 hr
Jul 8, 1:25 PM CDT	Special Weather Statement	EAX	Henry	50 min
Jul 8, 3:43 PM CDT	Special Weather Statement	EAX	Leavenworth	32 min
Jul 8, 3:48 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	27 min
Jul 8, 4:13 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth	32 min

Nearby

Areal Flood Advisories in Missouri, 2012 Every areal flood advisory in 2012

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.