Alert archive / Kansas / River Flood Warnings in 2022

River Flood Warning 30, NWS Kansas City, MO

May 18, 2022Johnson County, Kansas

NWS Kansas City, MO issued this river flood warning at May 18, 2022, 1:04 AM CDT for Johnson County, Kansas. It took effect at May 18, 2022, 1:57 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: May 18, 2022, 1:04 AM CDT (06:04 UTC)
In effect from: May 18, 2022, 1:57 AM CDT
Expired: May 18, 2022, 1:49 AM CDT
In force
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Minor

County Johnson County, KS

The radar

The Pleasant Hill radar (KEAX), 49 km from the middle of the area, began a volume at 06:06 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 Tomahawk Creek at Roe Avenue (TCRK1). The gauge peaked at 11.67 ft at May 18, 2022, 1:00 AM CDT.

Action stage: 10 ft
Minor stage: 13 ft
Moderate stage: 18 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06893350, 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 Kansas City, MO wrote its last area forecast discussion before this river flood warning went out at May 17, 11:34 PM CDT, 1 hour 30 minutes earlier.

Area forecast discussion, May 17, 11:34 PM CDT, 1 hour 30 minutes before

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Hazardous weather outlook, May 17, 5:12 AM CDT, 19 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
512 AM CDT Tue May 17 2022

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-181015-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
512 AM CDT Tue May 17 2022

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

 Strong to severe thunderstorms will be possible tonight into early
 Wednesday. Damaging winds and large hail will be the main threats
 however, a isolated tornado cannot be ruled out. In addition to the
 severe threat, 1 to 3 locally three inches of rain will be possible
 which may lead to localized flash flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

 Strong storms will be possible south of Interstate 70 on Wednesday
 with gusty winds the main threat.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

In the hours before

Special weather statement, May 17, 10:01 PM CDT, 3 hours 3 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1001 PM CDT Tue May 17 2022

MOZ012-013-020-180345-
Buchanan MO-De Kalb MO-Andrew MO-
1001 PM CDT Tue May 17 2022

...Strong winds will impact portions of northeastern Buchanan,
southeastern Andrew and southwestern DeKalb Counties through 1045 PM
CDT...

At 1001 PM CDT, Doppler radar was tracking an area of strong winds
over St. Joseph, moving east at 20 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
St. Joseph, Country Club Villa, Country Club, Stewartsville,
Clarksdale, Easton, Cosby and Helena.

This includes the following highways...
 Interstate 29 between mile markers 43 and 55.
 Interstate 229 between mile markers 0 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northwestern Missouri.

&&

LAT...LON 3995 9451 3976 9444 3975 9460 3973 9460
      3969 9487 3973 9488 3974 9486 3977 9486
      3977 9489 3979 9489 3980 9488 3982 9487
      3983 9491 3985 9491
TIME...MOT...LOC 0301Z 252DEG 21KT 3979 9479

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

BMW

Local storm report, May 17, 10:09 PM CDT, 2 hours 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1009 PM CDT TUE MAY 17 2022

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

0940 PM     NON-TSTM WND GST 1 NNE SAINT JOSEPH AIRP 39.77N 94.91W
05/17/2022  M59 MPH          BUCHANAN           MO   ASOS

            POSSIBLE WAKE LOW BEHIND A DYING BOW SEGMENT
            5-10 MILES SOUTH OF ST. JOSEPH.

&&

JL

Local storm report, May 17, 11:26 PM CDT, 1 hour 38 minutes before

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Special weather statement, May 17, 11:45 PM CDT, 1 hour 19 minutes before

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Special weather statement, May 18, 12:23 AM CDT, 41 minutes before

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Special weather statement, May 18, 12:37 AM CDT, 27 minutes before

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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 7:03 PM CDT	Special Weather Statement	EAX	Adair	27 min
May 17, 7:45 PM CDT	Special Weather Statement	EAX	Macon	30 min
May 17, 9:10 PM CDT	Special Weather Statement	EAX	Caldwell	35 min
May 17, 9:17 PM CDT	Special Weather Statement	EAX	Platte	43 min
May 17, 10:01 PM CDT	Special Weather Statement	EAX	Buchanan	44 min
May 17, 10:47 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	58 min
May 17, 11:45 PM CDT	Special Weather Statement	EAX	Cass, Jackson	60 min
May 18, 12:23 AM CDT	Special Weather Statement	EAX	Bates	22 min
May 18, 12:37 AM CDT	Special Weather Statement	EAX	Bates, Henry, Johnson	53 min
May 18, 1:12 AM CDT	Areal Flood Advisory	EAX	Bates, Henry	5 hr
May 18, 3:09 AM CDT	Special Weather Statement	EAX	Cooper, Howard	51 min
May 17, 8:36 PM CDT	Special Weather Statement	EAX	Atchison	39 min

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.