Alert archive / Missouri / River Flood Warnings in 2010

River Flood Warning 260, NWS St. Louis, MO

August 21, 2010Saint Charles County, Missouri; Madison County, Illinois

NWS St. Louis, MO issued this river flood warning at Aug 21, 2010, 1:28 PM CDT for Saint Charles County, Missouri; Madison County, Illinois. It took effect at Aug 22, 2010, 4:00 PM CDT. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued: Aug 21, 2010, 1:28 PM CDT (18:28 UTC)
In effect from: Aug 22, 2010, 4:00 PM CDT
Expired: Aug 23, 2010, 9:04 PM CDT
In force: 29 hr
Issued by: NWS St. Louis, MO
Flood severity: Minor

Counties Madison County, IL, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 36 km from the middle of the area, began a volume at 18:33 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 Mississippi River at Mel Price (Alton) Lock and Dam (ALNI2).

Action stage: 19 ft
Minor stage: 21 ft
Moderate stage: 29 ft
Major stage: 34 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05587541, 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 St. Louis, MO wrote its last area forecast discussion before this river flood warning went out at Aug 21, 12:57 PM CDT, 31 minutes earlier.

Area forecast discussion, Aug 21, 12:57 PM CDT, 31 minutes before

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Hazardous weather outlook, Aug 21, 3:11 AM CDT, 10 hours 17 minutes before

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In the hours before

Local storm report, Aug 21, 9:55 AM CDT, 3 hours 33 minutes before

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Local storm report, Aug 21, 10:15 AM CDT, 3 hours 13 minutes before

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Local storm report, Aug 21, 10:45 AM CDT, 2 hours 43 minutes before

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Local storm report, Aug 21, 10:46 AM CDT, 2 hours 42 minutes before

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Local storm report, Aug 21, 10:51 AM CDT, 2 hours 37 minutes before

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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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Local storm report, Aug 21, 12:01 PM CDT, 1 hour 27 minutes before

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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 St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 20, 7:05 PM CDT	Tornado Warning	LSX	Callaway, Cole, Osage	40 min
Aug 20, 7:40 PM CDT	Tornado Warning	LSX	Osage	50 min
Aug 20, 7:43 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Warren	47 min
Aug 20, 8:02 PM CDT	Flash Flood Warning	LSX	Audrain, Boone, Callaway	6 hr
Aug 20, 8:10 PM CDT	Tornado Warning	LSX	Franklin, Gasconade	50 min
Aug 20, 8:16 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	44 min
Aug 20, 8:47 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	43 min
Aug 20, 9:02 PM CDT	Tornado Warning	LSX	Franklin	43 min
Aug 20, 9:49 PM CDT	Flash Flood Warning	LSX	Cole, Moniteau, Osage	6 hr
Aug 20, 10:42 PM CDT	River Flood Warning	LSX	Monroe	46 hr
Aug 21, 12:36 AM CDT	Areal Flood Warning	LSX	Monroe, Shelby	6 hr
Aug 21, 2:13 AM CDT	Areal Flood Warning	LSX	Audrain, Boone, Callaway	4 hr
Aug 21, 11:36 AM CDT	River Flood Warning	LSX	Jefferson, Saint Louis	70 hr
Aug 21, 11:32 AM CDT	River Flood Warning	LSX	Calhoun, Greene, Jersey	23 hr

Nearby

River Flood Warnings in Missouri, 2010 River Flood Warnings in Illinois, 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.