Alert archive / Missouri / Flash Flood Watches in 2010

Flash Flood Watch 7, NWS St. Louis, MO

May 18, 201018 counties in Missouri

NWS St. Louis, MO issued this flash flood watch at May 18, 2010, 3:08 PM CDT for 18 counties in Missouri. It took effect at May 19, 2010, 7:00 PM CDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued: May 18, 2010, 3:08 PM CDT (20:08 UTC)
In effect from: May 19, 2010, 7:00 PM CDT
Expired: May 21, 2010, 3:05 AM CDT
In force: 32 hr
Issued by: NWS St. Louis, MO
Flood severity: None

Counties Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Madison County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 71 km from the middle of the area, began a volume at 20:11 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.

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 St. Louis, MO wrote its last area forecast discussion before this flash flood watch went out at May 17, 6:52 PM CDT, 20 hours 16 minutes earlier.

Area forecast discussion, May 17, 6:52 PM CDT, 20 hours 16 minutes before

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Hazardous weather outlook, May 17, 3:55 PM CDT, 23 hours 13 minutes before

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<body>
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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 6:01 AM CDT	Areal Flood Warning	LSX	Madison	12 hr

Nearby

Flash Flood Watches in Missouri, 2010 Every flash flood watch 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.