Alert archive / Kansas / River Flood Warnings in 2018

River Flood Warning 15, NWS Topeka, KS

September 4, 2018Washington County, Kansas

NWS Topeka, KS issued this river flood warning at Sep 4, 2018, 12:57 AM CDT for Washington County, Kansas. It took effect at Sep 4, 2018, 6:06 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Sep 4, 2018, 12:57 AM CDT (05:57 UTC)
In effect from: Sep 4, 2018, 6:06 AM CDT
Expired: Sep 5, 2018, 12:03 AM CDT
In force: 18 hr
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Flood severity: Moderate

County Washington County, KS

The radar

The Topeka radar (KTWX), 114 km from the middle of the area, began a volume at 06:01 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 Mill Creek (WSHK1) at Washington (WSHK1).

Action stage: 13 ft
Minor stage: 18 ft
Moderate stage: 19 ft
Major stage: 35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06884200, 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 Sep 4, 12:10 AM CDT, 47 minutes earlier.

Area forecast discussion, Sep 4, 12:10 AM CDT, 47 minutes before

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Hazardous weather outlook, Sep 3, 4:23 PM CDT, 8 hours 34 minutes before

Hazardous Weather Outlook
National Weather Service Topeka KS
423 PM CDT Mon Sep 3 2018

KSZ008>012-020>024-026-034>040-054>056-058-059-042130-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
423 PM CDT Mon Sep 3 2018

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

.DAY ONE...Tonight.

Thunderstorms are possible across the entire area tonight.
Locally heavy rainfall could occur, with the greatest chances in
north central Kansas. With ground conditions saturated from recent
excessive rainfall events, flash flooding is possible. A Flash
Flood Watch is in effect for north central and portions of
northeast Kansas tonight.

Minor river flooding will develop or continue on several rivers
and creeks in north central and northeast Kansas tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The potential for additional moderate to heavy rainfall exists
Tuesday. The Flash Flood Watch continues for the aforementioned
areas through Tuesday afternoon. Showers and thunderstorms
continue to be possible through the late portions of the week and
localized flash flooding could again occur.

Minor river flooding of a few rivers and creeks in north central
and northeast Kansas will persist into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

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

In the hours before

Local storm report, Sep 3, 7:15 PM CDT, 5 hours 42 minutes before

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Local storm report, Sep 3, 8:14 PM CDT, 4 hours 43 minutes before

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Local storm report, Sep 3, 8:32 PM CDT, 4 hours 25 minutes before

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Local storm report, Sep 3, 8:39 PM CDT, 4 hours 18 minutes before

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Local storm report, Sep 3, 9:41 PM CDT, 3 hours 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
Sep 3, 7:05 PM CDT	Flash Flood Warning	TOP	Cloud	6 hr
Sep 3, 8:27 PM CDT	Areal Flood Advisory	TOP	Republic, Washington	3 hr
Sep 3, 10:28 PM CDT	Areal Flood Advisory	TOP	Marshall, Washington	3 hr
Sep 4, 12:45 AM CDT	Areal Flood Warning	TOP	Cloud	12 hr
Sep 4, 9:59 AM CDT	River Flood Warning	TOP	Marshall	3 days

Nearby

River Flood Warnings in Kansas, 2018 Every river flood warning in 2018

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.