Alert archive / Missouri / River Flood Warnings in 2010

River Flood Warning 15, NWS Kansas City, MO

February 21, 2010Johnson County, Pettis County, Missouri

NWS Kansas City, MO issued this river flood warning at Feb 21, 2010, 7:40 AM CST for Johnson County, Pettis County, Missouri. It took effect at Feb 21, 2010, 2:27 PM CST. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: Feb 21, 2010, 7:40 AM CST (13:40 UTC)
In effect from: Feb 21, 2010, 2:27 PM CST
Expired: Feb 22, 2010, 5:59 PM CST
In force: 28 hr
Issued by: NWS Kansas City, MO
Flood severity: Moderate

Counties Johnson County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 13:43 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 river

Written for the forecast point Blackwater River near Valley City (VLYM7). The gauge peaked at 26.47 ft at Feb 22, 2010, 3:00 AM CST.

Action stage: 17 ft
Minor stage: 22 ft
Moderate stage: 25 ft
Major stage: 31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06907700, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Feb 21, 5:40 AM CST, 2 hours earlier.

Area forecast discussion, Feb 21, 5:40 AM CST, 2 hours before

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Hazardous weather outlook, Feb 21, 5:56 AM CST, 1 hour 44 minutes before

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In the hours before

Local storm report, Feb 21, 4:54 AM CST, 2 hours 46 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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        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
Feb 20, 8:27 PM CST	Flood Watch	EAX	Bates, Cass, Cooper, Henry, Howard, Johnson and 2 more	15 hr
Feb 21, 4:16 AM CST	Winter Weather Advisory	EAX	Atchison, Cass, Holt, Howard, Johnson, Nodaway and 2 more	20 hr
Feb 21, 7:40 AM CST	River Flood Warning	EAX	Cass, Henry, Johnson	28 hr
Feb 21, 7:40 AM CST	River Flood Warning	EAX	Cooper, Saline	4 days
Feb 21, 7:40 AM CST	River Flood Warning	EAX	Cooper	30 hr
Feb 21, 7:40 AM CST	River Flood Warning	EAX	Howard	24 hr
Feb 21, 7:40 AM CST	River Flood Warning	EAX	Cooper	50 hr
Feb 21, 7:40 AM CST	River Flood Warning	EAX	Bates, Cass, Henry	48 hr

Nearby

River Flood Warnings in Missouri, 2010 Every river flood warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.