Alert archive / Kansas / River Flood Warnings in 2024

River Flood Warning 1, NWS Topeka, KS

April 25, 2024Lyon County, Osage County, Kansas

NWS Topeka, KS issued this river flood warning at Apr 25, 2024, 7:13 PM CDT for Lyon County, Osage County, Kansas. It took effect at Apr 26, 2024, 12:11 AM CDT. It was in force for 109 min.

The area

The counties it named.

The facts

Issued
Apr 25, 2024, 7:13 PM CDT (00:13 UTC)
In effect from
Apr 26, 2024, 12:11 AM CDT
Expired
Apr 26, 2024, 2:00 AM CDT
In force
109 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
Minor

Counties Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 55 km from the middle of the area, began a volume at 00:13 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 Marais Des Cygnes River near Reading (RDNK1).

Action stage
14 ft
Minor stage
19 ft
Moderate stage
21 ft
Major stage
45 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06910800, 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 Apr 25, 6:11 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Apr 25, 6:11 PM CDT, 1 hour 2 minutes before
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Hazardous weather outlook, Apr 25, 2:56 PM CDT, 4 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Topeka KS
256 PM CDT Thu Apr 25 2024

KSZ008>012-020>024-026-034>040-054>056-058-059-262000-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
256 PM CDT Thu Apr 25 2024

This Hazardous Weather Outlook is for east central, north central
northeast Kansas.

.DAY ONE...This afternoon and tonight.

Thunderstorms are expected to redevelop late tonight and could
impact all of north central, northeast and east central Kansas. Large
hail and damaging winds appear to be the main concern. Much of the
thunderstorm activity could be after midnight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...Thunderstorms may be ongoing over northeast and east central
Kansas in the morning. Additional thunderstorms could develop Friday
afternoon over parts of northeast Kansas. These afternoon storms may
be capable of very large hail, damaging winds and a tornado or two.

Saturday...There is a chance for thunderstorms to develop by the
afternoon. Supercell thunderstorms are the most likely storms capable
of very large hail, damaging winds and tornadoes. Saturday afternoon
and evening appear to be the greatest risk for severe weather.

Sunday...There could be more thunderstorms over eastern parts of the
area with a risk for large hail and strong winds.

Repeated rounds of heavy rain could cause localized flooding hazards
through the weekend.

.SPOTTER MESSAGE

Spotters should not be needed tonight.

&&

More detailed information can be found at:
www.weather.gov/media/top/DssPacket.pdf

Wolters

In the hours before

Local storm report, Apr 25, 2:47 PM CDT, 4 hours 26 minutes before
Preliminary Local Storm Report
National Weather Service Topeka KS
247 PM CDT Thu Apr 25 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0241 PM     Rain             Concordia               39.57N 97.67W
04/25/2024  M2.98 Inch       Cloud              KS   Amateur Radio

            Storm total rainfall.

&&
Local storm report, Apr 25, 3:12 PM CDT, 4 hours 1 minute before
Preliminary Local Storm Report
National Weather Service Topeka KS
312 PM CDT Thu Apr 25 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0311 PM     Rain             3 SSE Harris            38.27N 95.42W
04/25/2024  M3.10 Inch       Anderson           KS   Trained Spotter

            Total rainfall since last night. Still
            raining.

&&

CP
Special weather statement, Apr 25, 3:21 PM CDT, 3 hours 52 minutes before
Special Weather Statement
National Weather Service Topeka KS
321 PM CDT Thu Apr 25 2024

KSZ058-059-252045-
Coffey-Anderson-
321 PM CDT Thu Apr 25 2024

...A STRONG THUNDERSTORM WILL IMPACT ANDERSON AND SOUTHEASTERN COFFEY
COUNTIES THROUGH 345 PM CDT...

At 320 PM CDT, Doppler radar was tracking a strong thunderstorm over
Le Roy, moving northeast at 55 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Hail damage to outdoor objects
         and vegetation is possible.

Locations impacted include...
Westphalia and Le Roy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3812 9573 3832 9539 3820 9512 3804 9549
      3804 9573
TIME...MOT...LOC 2020Z 240DEG 49KT 3807 9563

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Reese
Local storm report, Apr 25, 4:49 PM CDT, 2 hours 24 minutes before
Preliminary Local Storm Report
National Weather Service Topeka KS
449 PM CDT Thu Apr 25 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0449 PM     Rain             Neosho Rapids           38.37N 95.99W
04/25/2024  M3.00 Inch       Lyon               KS   Public

&&

AJ
Local storm report, Apr 25, 5:24 PM CDT, 1 hour 49 minutes before
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Local storm report, Apr 25, 6:19 PM CDT, 54 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 8:29 PM CDTSpecial Weather StatementTOPMarshall31 min
Apr 25, 8:40 PM CDTSpecial Weather StatementTOPWashington20 min
Apr 26, 1:45 AM CDTAreal Flood WarningTOPAnderson8 hr
Apr 26, 4:15 AM CDTRiver Flood WarningTOPAnderson15 hr
Apr 26, 7:45 AM CDTRiver Flood WarningTOPFranklin, Osage7 hr
Apr 26, 8:27 AM CDTRiver Flood WarningTOPLyon7 hr
Apr 26, 1:03 PM CDTSevere Thunderstorm WarningTOPWashington12 min
Apr 26, 1:14 PM CDTFlood WatchTOPAnderson, Brown, Coffey, Douglas, Franklin, Geary and 11 more45 hr
Apr 26, 1:30 PM CDTSpecial Weather StatementTOPWashington45 min
Apr 26, 3:29 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPMarshall, Nemaha46 min
Apr 26, 4:12 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPNemaha17 min
Apr 26, 4:35 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPBrown, Nemaha25 min
Apr 26, 5:01 PM CDTSevere Thunderstorm WarningTOPBrown44 min
Apr 26, 5:27 PM CDTTornado WarningTOPBrown18 min

Nearby

River Flood Warnings in Kansas, 2024Every 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.