Alert archive / Missouri / Flash Flood Watches in 2008

Flash Flood Watch 14, NWS Kansas City, MO

July 27, 20088 counties in Missouri

NWS Kansas City, MO issued this flash flood watch at Jul 27, 2008, 3:52 PM CDT for 8 counties in Missouri. It took effect at Jul 27, 2008, 9:00 PM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Jul 27, 2008, 3:52 PM CDT (20:52 UTC)
In effect from: Jul 27, 2008, 9:00 PM CDT
Expired: Jul 28, 2008, 10:00 AM CDT
In force: 13 hr
Issued by: NWS Kansas City, MO
Flood severity: None

Counties Adair County, MO, Grundy County, MO, Linn County, MO, Macon County, MO, Mercer County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO

The radar

The Des Moines radar (KDMX), 181 km from the middle of the area, began a volume at 20:55 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

Davenport, (KDVN), launched 12:00Z, 8.9 hours before the alert went out and 263 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1405 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 155 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 Jul 27, 3:39 PM CDT, 13 minutes earlier.

Area forecast discussion, Jul 27, 3:39 PM CDT, 13 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>

Hazardous weather outlook, Jul 27, 1:00 PM CDT, 2 hours 52 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 7:20 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	25 min
Jul 26, 7:43 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	21 min
Jul 26, 9:10 PM CDT	River Flood Warning	EAX	Daviess, Gentry	37 hr
Jul 27, 6:49 AM CDT	River Flood Warning	EAX	Platte	45 hr
Jul 27, 6:49 AM CDT	River Flood Warning	EAX	Platte	50 hr
Jul 27, 3:23 PM CDT	Areal Flood Warning	EAX	Chariton, Daviess, Gentry, Harrison, Linn, Livingston and 2 more	24 hr
Jul 27, 3:55 PM CDT	Heat Advisory	EAX	Andrew, Atchison, Bates, Buchanan, Cass, Clay and 8 more	18 hr
Jul 27, 6:15 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler	45 min
Jul 27, 6:38 PM CDT	Tornado Warning	EAX	Putnam	37 min

Nearby

Flash Flood Watches in Missouri, 2008 Every 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.