Alert archive / Kansas / River Flood Warnings in 2022

River Flood Warning 7, NWS Topeka, KS

May 18, 2022Lyon County, Kansas

NWS Topeka, KS issued this river flood warning at May 18, 2022, 8:30 AM CDT for Lyon County, Kansas. It took effect at May 18, 2022, 9:27 AM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: May 18, 2022, 8:30 AM CDT (13:30 UTC)
In effect from: May 18, 2022, 9:27 AM CDT
Expired: May 19, 2022, 6:27 PM CDT
In force: 33 hr
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Flood severity: Moderate

County Lyon County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 13:29 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 Neosho River at Emporia (EPRK1).

Action stage: 14 ft
Minor stage: 19 ft
Moderate stage: 19.5 ft
Major stage: 30.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 Topeka, KS wrote its last area forecast discussion before this river flood warning went out at May 18, 6:35 AM CDT, 1 hour 55 minutes earlier.

Area forecast discussion, May 18, 6:35 AM CDT, 1 hour 55 minutes before

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Hazardous weather outlook, May 18, 4:11 AM CDT, 4 hours 19 minutes before

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In the hours before

Local storm report, May 18, 7:16 AM CDT, 1 hour 14 minutes before

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Local storm report, May 18, 7:17 AM CDT, 1 hour 13 minutes before

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Local storm report, May 18, 7:22 AM CDT, 1 hour 8 minutes before

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Local storm report, May 18, 7:23 AM CDT, 1 hour 7 minutes before

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Local storm report, May 18, 7:24 AM CDT, 1 hour 6 minutes before

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Local storm report, May 18, 7:27 AM CDT, 1 hour 3 minutes before

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The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 7:12 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Ottawa	33 min
May 17, 7:20 PM CDT	Special Weather Statement	TOP	Brown	25 min
May 17, 7:38 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Riley	52 min
May 17, 7:57 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Pottawatomie, Riley, Wabaunsee	48 min
May 17, 8:09 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Nemaha	36 min
May 17, 8:25 PM CDT	Areal Flood Advisory	TOP	Clay, Geary, Riley	3 hr
May 17, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Clay, Dickinson, Geary, Pottawatomie, Riley, Wabaunsee	34 min
May 17, 8:44 PM CDT	Special Weather Statement	TOP	Jackson	46 min
May 17, 8:54 PM CDT	Special Weather Statement	TOP	Jackson	36 min
May 17, 9:10 PM CDT	Severe Thunderstorm Warning	TOP	Jackson	35 min
May 17, 9:14 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Riley, Wabaunsee	46 min
May 17, 9:25 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	65 min
May 17, 9:36 PM CDT	Flash Flood Warning	TOP	Geary, Riley	4 hr
May 17, 9:40 PM CDT	Severe Thunderstorm Warning	TOP	Osage, Shawnee, Wabaunsee	50 min
May 17, 9:41 PM CDT	Special Weather Statement	TOP	Jefferson	34 min
May 17, 9:59 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Lyon, Morris, Osage, Riley and 1 more	31 min
May 17, 10:05 PM CDT	Areal Flood Advisory	TOP	Jackson, Pottawatomie	3 hr
May 17, 10:07 PM CDT	Areal Flood Advisory	TOP	Geary, Morris, Riley	90 min
May 17, 10:07 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jefferson	53 min
May 17, 10:18 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Ottawa	42 min
May 17, 10:25 PM CDT	Flash Flood Warning	TOP	Dickinson, Geary, Morris, Riley	4 hr
May 17, 10:28 PM CDT	Severe Thunderstorm Warning	TOP	Osage, Shawnee	32 min
May 17, 10:44 PM CDT	Areal Flood Advisory	TOP	Douglas, Jefferson, Shawnee	3 hr
May 17, 10:49 PM CDT	Areal Flood Advisory	TOP	Lyon, Morris, Osage, Wabaunsee	51 min
May 17, 10:53 PM CDT	Areal Flood Advisory	TOP	Cloud, Ottawa	3 hr
May 17, 10:58 PM CDT	Special Weather Statement	TOP	Geary, Morris	47 min
May 17, 10:59 PM CDT	Special Weather Statement	TOP	Douglas	31 min
May 17, 11:03 PM CDT	Special Weather Statement	TOP	Lyon	42 min
May 17, 11:26 PM CDT	Flash Flood Warning	TOP	Douglas, Jefferson	3 hr
May 17, 11:32 PM CDT	Flash Flood Warning	TOP	Lyon, Morris, Osage	3 hr
May 17, 11:38 PM CDT	Special Weather Statement	TOP	Anderson	52 min
May 17, 11:57 PM CDT	Special Weather Statement	TOP	Lyon	48 min
May 18, 12:12 AM CDT	Special Weather Statement	TOP	Coffey	33 min
May 18, 12:24 AM CDT	Special Weather Statement	TOP	Anderson	36 min
May 18, 12:30 AM CDT	Flash Flood Warning	TOP	Anderson, Coffey, Lyon	4 hr
May 18, 7:44 AM CDT	Areal Flood Warning	TOP	Lyon, Osage	5 hr
May 18, 8:24 AM CDT	River Flood Warning	TOP	Lyon	36 hr
May 18, 8:26 AM CDT	River Flood Warning	TOP	Lyon	19 hr
May 18, 8:27 AM CDT	River Flood Warning	TOP	Lyon, Osage	10 hr
May 18, 11:55 AM CDT	Areal Flood Warning	TOP	Lyon, Morris	6 hr

Nearby

River Flood Warnings in Kansas, 2022 Every river flood warning in 2022

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.