Alert archive / Kansas / River Flood Warnings in 2024

River Flood Warning 10, NWS Topeka, KS

May 20, 2024Lyon County, Kansas

NWS Topeka, KS issued this river flood warning at May 20, 2024, 8:15 AM CDT for Lyon County, Kansas. It took effect at May 20, 2024, 11:24 PM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: May 20, 2024, 8:15 AM CDT (13:15 UTC)
In effect from: May 20, 2024, 11:24 PM CDT
Expired: May 21, 2024, 12:01 PM CDT
In force: 13 hr
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Flood severity: Minor

County Lyon County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 13:14 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 20, 6:10 AM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, May 20, 6:10 AM CDT, 2 hours 5 minutes before

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Hazardous weather outlook, May 20, 3:01 AM CDT, 5 hours 14 minutes before

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In the hours before

Local storm report, May 20, 2:53 AM CDT, 5 hours 22 minutes before

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Local storm report, May 20, 6:18 AM CDT, 1 hour 57 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        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 Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 7:12 PM CDT	Flash Flood Warning	TOP	Dickinson, Ottawa	3 hr
May 19, 7:19 PM CDT	Severe Thunderstorm Warning	TOP	Morris	26 min
May 19, 7:27 PM CDT	Areal Flood Advisory	TOP	Dickinson	3 hr
May 19, 7:41 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	34 min
May 19, 8:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Geary, Lyon, Morris, Wabaunsee	35 min
May 19, 8:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Coffey, Lyon, Osage	41 min
May 19, 8:47 PM CDT	Areal Flood Advisory	TOP	Clay, Geary, Riley	3 hr
May 19, 9:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Anderson, Coffey, Douglas, Franklin, Lyon, Osage and 1 more	51 min
May 19, 9:29 PM CDT	Special Weather Statement	TOP	Shawnee, Wabaunsee	46 min
May 19, 9:37 PM CDT	Tornado Warning	TOP	Shawnee, Wabaunsee	23 min
May 19, 9:43 PM CDT	Tornado Warning	TOP	Osage, Shawnee	17 min
May 19, 9:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Anderson, Douglas, Franklin, Jefferson, Osage, Shawnee	45 min
May 19, 9:48 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jackson, Jefferson, Osage, Pottawatomie, Shawnee and 1 more	42 min
May 19, 9:53 PM CDT	Tornado Warning	TOP	Shawnee	22 min
May 19, 10:01 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie	44 min
May 19, 10:23 PM CDT	Areal Flood Advisory	TOP	Shawnee, Wabaunsee	3 hr
May 19, 10:26 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Jefferson, Pottawatomie, Shawnee, Wabaunsee	49 min
May 19, 10:48 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Jefferson	42 min
May 19, 11:00 PM CDT	Special Weather Statement	TOP	Douglas	45 min
May 19, 11:14 PM CDT	Special Weather Statement	TOP	Shawnee	46 min
May 19, 11:41 PM CDT	Special Weather Statement	TOP	Jefferson	49 min
May 20, 9:19 AM CDT	Special Weather Statement	TOP	Franklin	41 min
May 20, 10:33 AM CDT	Special Weather Statement	TOP	Jefferson	27 min

Nearby

River Flood Warnings in Kansas, 2024 Every river flood warning in 2024

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.