Alert archive / Missouri / Flash Flood Watches in 2008

Flash Flood Watch 7, NWS Kansas City, MO

June 11, 20086 counties in Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this flash flood watch at Jun 11, 2008, 3:53 AM CDT for 6 counties in Missouri; Doniphan County, Kansas. It took effect at Jun 11, 2008, 3:57 PM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jun 11, 2008, 3:53 AM CDT (08:53 UTC)
In effect from
Jun 11, 2008, 3:57 PM CDT
Expired
Jun 12, 2008, 4:24 AM CDT
In force
12 hr
Issued by
NWS Kansas City, MO
Flood severity
None

Counties Doniphan County, KS, Andrew County, MO, Atchison County, MO, Gentry County, MO, Holt County, MO, Nodaway County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 163 km from the middle of the area, began a volume at 08:54 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 00:00Z, 8.9 hours before the alert went out and 147 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-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2008-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2008-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
102 J/kg
Mixed-layer CIN
-378 J/kg
Mixed-layer LCL
1703 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
420 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 flash flood watch 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 flash flood watch went out at Jun 11, 12:10 AM CDT, 3 hours 43 minutes earlier.

Area forecast discussion, Jun 11, 12:10 AM CDT, 3 hours 43 minutes before
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Hazardous weather outlook, Jun 10, 12:59 PM CDT, 14 hours 54 minutes before
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<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">
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 6:05 AM CDTSevere Thunderstorm WarningEAXHolt25 min
Jun 11, 6:48 AM CDTFlash Flood WarningEAXAtchison4 hr
Jun 11, 8:07 AM CDTRiver Flood WarningEAXAtchison, Holt53 hr
Jun 11, 11:59 AM CDTAreal Flood WarningEAXAndrew, Atchison, Buchanan, Holt48 hr
Jun 11, 2:48 PM CDTRiver Flood WarningEAXAndrew, Nodaway39 hr

Nearby

Flash Flood Watches in Missouri, 2008Flash Flood Watches in Kansas, 2008Every flash flood watch 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.