Alert archive / Missouri / Areal Flood Warnings in 2017

Areal Flood Warning 8, NWS Kansas City, MO

April 29, 20174 counties in Missouri

NWS Kansas City, MO issued this areal flood warning at Apr 29, 2017, 4:17 PM CDT for 4 counties in Missouri. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 29, 2017, 4:17 PM CDT (21:17 UTC)
Expired: Apr 30, 2017, 4:15 AM CDT
In force: 12 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Chariton County, MO, Howard County, MO, Randolph County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 135 km from the middle of the area, began a volume at 21:17 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, 9.3 hours before the alert went out and 281 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: 704 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 318 m²/s²
0-3 km storm-relative helicity: 413 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 warning went out at Apr 29, 2:51 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Apr 29, 2:51 PM CDT, 1 hour 26 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, Apr 29, 5:25 AM CDT, 10 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
525 AM CDT Sat Apr 29 2017

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-301030-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
525 AM CDT Sat Apr 29 2017

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

Moderate to heavy rainfall will move across much of the area this
morning. Additional periods of rainfall are expected through Sunday,
with rainfall totals averaging 2 to 4 inches over much of the area.
This will lead to flooding along area rivers, creeks, and streams.
The heavy rainfall may also lead to localized flash flooding,
especially Saturday night into Sunday morning when the heaviest
rainfall is expected.

More detailed information can be accessed at...
http://www.weather.gov/eax/hwo

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Outside of the continued impacts from the ongoing rainfall event
Sunday, no additional widespread hazardous weather is expected.

In the hours before

Local storm report, Apr 29, 12:38 PM CDT, 3 hours 39 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>

Local storm report, Apr 29, 12:44 PM CDT, 3 hours 33 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>

Special weather statement, Apr 29, 12:53 PM CDT, 3 hours 24 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1253 PM CDT SAT APR 29 2017

MOZ028>030-037-291815-
Platte MO-Ray MO-Jackson MO-Clay MO-
1253 PM CDT SAT APR 29 2017

...SIGNIFICANT WEATHER ADVISORY FOR CLAY...RAY AND NORTHERN JACKSON
COUNTIES UNTIL 115 PM CDT...

At 1252 PM CDT, Doppler radar was tracking an area of strong winds
along a line extending from Northmoor to Raytown. These winds are
not associated with a thunderstorm, and are generally occurring in
an area where rain has briefly lightened in intensity. Movement was
northeast at 60 mph.

Wind gusts up to 50 mph will be possible.

Locations impacted include...
Kansas City, Independence, Lee's Summit, Blue Springs, Raytown,
Liberty, Gladstone, Excelsior Springs, Kearney, Richmond, North
Kansas City, Sugar Creek, Buckner, Riverside, Lawson, Claycomo,
Courtney, Pleasant Valley, Orrick and Lake Tapawingo.

This includes the following highways...
 Interstate 70 in Missouri near mile marker 4, and between mile
markers 6 and 20.
 Interstate 35 in Missouri between mile markers 5 and 32.
 Interstate 29 between mile markers 0 and 5.
 Interstate 635 near mile marker 12.
 Interstate 470 between mile markers 13 and 16.
 Interstate 435 between mile markers 43 and 63.

LAT...LON 3946 9438 3945 9422 3953 9420 3953 9394
      3932 9376 3920 9397 3919 9403 3917 9403
      3913 9409 3914 9410 3912 9411 3894 9442
      3915 9459 3921 9465
TIME...MOT...LOC 1752Z 226DEG 53KT 3916 9459 3902 9446

Laflin

Local storm report, Apr 29, 1:43 PM CDT, 2 hours 34 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>

Special weather statement, Apr 29, 2:45 PM CDT, 1 hour 32 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
Apr 28, 8:54 PM CDT	River Flood Warning	EAX	Bates	7 days
Apr 29, 9:00 AM CDT	River Flood Warning	EAX	Buchanan	4 days
Apr 29, 9:00 AM CDT	River Flood Warning	EAX	Platte	6 days
Apr 29, 9:00 AM CDT	River Flood Warning	EAX	Platte	6 days
Apr 29, 9:40 AM CDT	River Flood Warning	EAX	Ray	68 hr
Apr 29, 9:40 AM CDT	River Flood Warning	EAX	Carroll	3 days
Apr 29, 10:03 AM CDT	River Flood Warning	EAX	Daviess, Livingston	72 hr
Apr 29, 10:03 AM CDT	River Flood Warning	EAX	Linn, Livingston	4 days
Apr 29, 10:03 AM CDT	River Flood Warning	EAX	Carroll, Chariton	24 hr
Apr 29, 10:16 AM CDT	River Flood Warning	EAX	Chariton, Macon	3 days
Apr 29, 10:30 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	24 hr
Apr 29, 10:30 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	7 days
Apr 29, 10:30 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	5 days
Apr 29, 10:30 AM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	72 hr
Apr 29, 10:30 AM CDT	River Flood Warning	EAX	Cooper, Howard	5 days
Apr 29, 11:37 AM CDT	River Flood Warning	EAX	Clay, Ray	48 hr
Apr 29, 12:53 PM CDT	Special Weather Statement	EAX	Clay, Jackson, Ray	22 min
Apr 29, 1:32 PM CDT	Areal Flood Warning	EAX	Bates, Cass, Cooper, Henry, Johnson, Pettis	12 hr
Apr 29, 2:45 PM CDT	Special Weather Statement	EAX	Cass, Clay, Jackson	30 min
Apr 28, 8:54 PM CDT	River Flood Warning	EAX	Miami	5 days
Apr 28, 8:54 PM CDT	River Flood Warning	EAX	Linn	6 days
Apr 29, 10:12 AM CDT	River Flood Warning	EAX	Atchison, Leavenworth	66 hr
Apr 29, 6:28 PM CDT	Areal Flood Warning	EAX	Linn, Miami	9 hr

Nearby

Areal Flood Warnings in Missouri, 2017 Every areal flood warning in 2017

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.