Alert archive / Kansas / River Flood Warnings in 2019

River Flood Warning 83, NWS Topeka, KS

May 21, 2019Lyon County, Kansas

NWS Topeka, KS issued this river flood warning at May 21, 2019, 9:56 AM CDT for Lyon County, Kansas. It took effect at May 21, 2019, 12:26 PM CDT. It was in force for 71 hr.

The area

The counties it named.

The facts

Issued: May 21, 2019, 9:56 AM CDT (14:56 UTC)
In effect from: May 21, 2019, 12:26 PM CDT
Expired: May 24, 2019, 11:29 AM CDT
In force: 71 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 14:55 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 21, 6:12 AM CDT, 3 hours 44 minutes earlier.

Area forecast discussion, May 21, 6:12 AM CDT, 3 hours 44 minutes before

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Hazardous weather outlook, May 21, 4:04 AM CDT, 5 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Topeka KS
404 AM CDT Tue May 21 2019

KSZ008>012-020>024-026-034>040-054>056-058-059-220915-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
404 AM CDT Tue May 21 2019

This hazardous weather outlook is for east central...north
central and northeast Kansas.

.DAY ONE...Today and Tonight.

Additional rainfall today will continue to exacerbate flooding
across the area, with several rivers rising into or above flood
stage. Flash flooding is also possible in locally heavy rainfall
over saturated ground, and a flash flood watch remains in effect
through this evening.

Thunderstorms that develop this afternoon and evening may become
severe, with large hail and damaging winds the primary hazard,
with an isolated tornado also possible. This threat is greater
near the surface low and warm front as they move through central
and north central Kansas.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday evening thunderstorms may bring another chance for
severe weather, with another threat for severe storms on Thursday
into Thursday night.

River flooding is expected to continue through much of the
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible for a few strong storms this
afternoon and evening.

&&

More detailed information can be accessed at...
http://www.weather.gov/top/sitrep

In the hours before

Local storm report, May 21, 8:30 AM CDT, 1 hour 26 minutes before

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Local storm report, May 21, 8:31 AM CDT, 1 hour 25 minutes before

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Local storm report, May 21, 8:43 AM CDT, 1 hour 13 minutes before

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Local storm report, May 21, 8:45 AM CDT, 1 hour 11 minutes before

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Local storm report, May 21, 8:52 AM CDT, 1 hour 4 minutes before

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Local storm report, May 21, 9:40 AM CDT, 16 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 20, 8:06 PM CDT	Flash Flood Warning	TOP	Anderson, Coffey	4 hr
May 20, 9:01 PM CDT	Flash Flood Warning	TOP	Anderson	4 hr
May 20, 10:30 PM CDT	Flash Flood Warning	TOP	Franklin	4 hr
May 20, 10:33 PM CDT	River Flood Warning	TOP	Lyon	9 days
May 20, 10:33 PM CDT	River Flood Warning	TOP	Washington	55 hr
May 20, 10:33 PM CDT	River Flood Warning	TOP	Coffey	11 days
May 20, 10:33 PM CDT	River Flood Warning	TOP	Lyon	21 days
May 20, 10:33 PM CDT	River Flood Warning	TOP	Anderson	44 hr
May 20, 10:33 PM CDT	River Flood Warning	TOP	Franklin	56 hr
May 20, 10:33 PM CDT	River Flood Warning	TOP	Cloud	58 hr
May 20, 11:09 PM CDT	Flash Flood Warning	TOP	Lyon	4 hr
May 20, 11:58 PM CDT	Areal Flood Warning	TOP	Anderson, Coffey, Franklin, Lyon	14 hr
May 21, 2:46 AM CDT	Special Weather Statement	TOP	Douglas, Jefferson, Lyon, Morris, Osage, Shawnee	59 min
May 21, 3:44 AM CDT	Areal Flood Warning	TOP	Jefferson	17 hr
May 21, 5:57 AM CDT	River Flood Warning	TOP	Franklin	63 hr
May 21, 9:02 AM CDT	Areal Flood Advisory	TOP	Dickinson, Douglas, Geary, Jackson, Jefferson, Lyon and 6 more	5 hr
May 21, 10:38 AM CDT	Special Weather Statement	TOP	Anderson, Brown, Coffey, Douglas, Franklin, Geary and 11 more	52 min
May 21, 11:27 AM CDT	Special Weather Statement	TOP	Anderson, Brown, Coffey, Douglas, Franklin, Jackson and 8 more	63 min
May 21, 12:04 PM CDT	River Flood Warning	TOP	Shawnee	9 hr
May 21, 1:55 PM CDT	Areal Flood Advisory	TOP	Anderson, Coffey, Dickinson, Douglas, Franklin, Geary and 9 more	6 hr
May 21, 2:34 PM CDT	Special Weather Statement	TOP	Ottawa	26 min
May 21, 3:21 PM CDT	River Flood Warning	TOP	Lyon	23 hr
May 21, 3:21 PM CDT	River Flood Warning	TOP	Douglas, Jefferson	47 hr
May 21, 3:21 PM CDT	River Flood Warning	TOP	Douglas, Jefferson	66 hr
May 21, 3:22 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	38 min
May 21, 4:00 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	30 min
May 21, 4:20 PM CDT	Special Weather Statement	TOP	Clay, Washington	40 min
May 21, 4:28 PM CDT	Tornado Warning	TOP	Dickinson, Geary	32 min
May 21, 4:56 PM CDT	Tornado Warning	TOP	Clay, Dickinson, Geary, Riley	34 min
May 21, 5:09 PM CDT	River Flood Warning	TOP	Coffey	21 days
May 21, 5:14 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	46 min
May 21, 5:18 PM CDT	Tornado Warning Tornado observed	TOP	Geary, Pottawatomie, Riley	27 min
May 21, 5:45 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie, Riley	45 min
May 21, 5:51 PM CDT	Special Weather Statement	TOP	Clay, Washington	24 min
May 21, 5:59 PM CDT	Special Weather Statement	TOP	Clay, Ottawa	31 min
May 21, 6:04 PM CDT	Special Weather Statement	TOP	Douglas, Franklin, Jackson, Jefferson, Shawnee	26 min
May 21, 6:10 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Marshall, Riley, Washington	50 min
May 21, 6:11 PM CDT	Special Weather Statement	TOP	Washington	49 min
May 21, 6:12 PM CDT	Tornado Warning	TOP	Marshall, Pottawatomie	33 min
May 21, 6:14 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Nemaha, Shawnee	46 min
May 21, 6:20 PM CDT	Tornado Warning Tornado observed	TOP	Jackson, Shawnee	40 min
May 21, 6:25 PM CDT	Tornado Warning	TOP	Jackson, Jefferson, Shawnee	35 min
May 21, 6:36 PM CDT	Severe Thunderstorm Warning	TOP	Nemaha, Pottawatomie	39 min
May 21, 6:39 PM CDT	Tornado Warning	TOP	Marshall, Nemaha	36 min
May 21, 6:51 PM CDT	Tornado Warning Tornado observed	TOP	Jackson	24 min

Nearby

River Flood Warnings in Kansas, 2019 Every river flood warning in 2019

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.