Alert archive / Missouri / River Flood Warnings in 2022

River Flood Warning 11, NWS Kansas City, MO

April 30, 2022Johnson County, Pettis County, Missouri

NWS Kansas City, MO issued this river flood warning at Apr 30, 2022, 5:43 AM CDT for Johnson County, Pettis County, Missouri. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued: Apr 30, 2022, 5:43 AM CDT (10:43 UTC)
Expired: May 2, 2022, 8:10 AM CDT
In force: 50 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Minor

Counties Johnson County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 10:46 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 Blackwater River near Valley City (VLYM7).

Action stage: 17 ft
Minor stage: 22 ft
Moderate stage: 25 ft
Major stage: 31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06907700, 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 Apr 30, 3:33 AM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Apr 30, 3:33 AM CDT, 2 hours 10 minutes before

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Hazardous weather outlook, Apr 30, 5:00 AM CDT, 43 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
500 AM CDT Sat Apr 30 2022

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-011000-
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-
500 AM CDT Sat Apr 30 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

Gusty westerly winds are expected today. Wind gusts up to 35 mph are
possible near the Iowa/Missouri border.

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

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Gusty northwest winds are expected Sunday, gusting up to 30 mph.

Showers and thunderstorms are expected Monday. A strong storm or two
is possible throughout the day.

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

In the hours before

Local storm report, Apr 30, 12:22 AM CDT, 5 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1222 AM CDT SAT APR 30 2022

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

1215 AM     TSTM WND GST     MARSHALL                39.13N 93.20W
04/30/2022  M63 MPH          SALINE             MO   ASOS

&&

BT

Local storm report, Apr 30, 12:37 AM CDT, 5 hours 6 minutes before

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Local storm report, Apr 30, 1:56 AM CDT, 3 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
156 AM CDT SAT APR 30 2022

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

1215 AM     TSTM WND GST     MARSHALL                39.13N 93.20W
04/30/2022  M63 MPH          SALINE             MO   ASOS

0952 PM     HAIL             PARKVILLE               39.20N 94.68W
04/29/2022  E0.88 INCH       PLATTE             MO   BROADCAST MEDIA

1202 PM     HAIL             1 S LA MONTE            38.76N 93.42W
04/29/2022  M1.00 INCH       PETTIS             MO   PUBLIC

1234 AM     HAIL             3 S HUGHESVILLE         38.80N 93.30W
04/30/2022  M1.00 INCH       PETTIS             MO   EMERGENCY MNGR

            50 MPH WINDS WITH THE HAIL.

1121 AM     HAIL             4 ESE PITTSVILLE        38.82N 93.92W
04/29/2022  M1.75 INCH       JOHNSON            MO   PUBLIC

1143 AM     HAIL             2 ENE WARRENSBURG       38.77N 93.70W
04/29/2022  M1.00 INCH       JOHNSON            MO   PUBLIC

1008 PM     TSTM WND DMG     3 SSW KANSAS CITY       39.06N 94.61W
04/29/2022                   JACKSON            MO   PUBLIC

            LARGE TREE DOWN ON HOUSE. REPORT VIA SOCIAL
            MEDIA.

1011 PM     TSTM WND GST     KANSAS CITY             39.10N 94.59W
04/29/2022  E60 MPH          JACKSON            MO   TRAINED SPOTTER

            POWER LOSS.

1033 AM     HAIL             4 SW STRASBURG          38.72N 94.22W
04/29/2022  M1.00 INCH       CASS               MO   NWS EMPLOYEE

1102 PM     TSTM WND GST     PLEASANT HILL           38.79N 94.27W
04/29/2022  E60 MPH          CASS               MO   PUBLIC

            WIND GUST AT THE OFFICE.

0942 PM     HAIL             2 W LEWIS AND CLARK VIL 39.55N 95.10W
04/29/2022  E1.00 INCH       BUCHANAN           MO   PUBLIC

0954 AM     HAIL             5 W ADRIAN              38.40N 94.45W
04/29/2022  M1.00 INCH       BATES              MO   PUBLIC

1008 PM     TSTM WND DMG     1 N WESTWOOD HILLS      39.06N 94.61W
04/29/2022                   WYANDOTTE          KS   PUBLIC

            LARGE TREE DOWN ON HOME. REPORT VIA SOCIAL
            MEDIA.

0923 AM     HAIL             2 SSE LA CYGNE          38.31N 94.75W
04/29/2022  M1.00 INCH       LINN               KS   BROADCAST MEDIA

            DELAYED REPORT OF QUARTER SIZED HAIL.

1010 PM     TSTM WND DMG     2 SE LANSING            39.23N 94.86W
04/29/2022                   LEAVENWORTH        KS   EMERGENCY MNGR

            TREE DOWNED BY THUNDERSTORM.

1015 PM     TSTM WND GST     LEAVENWORTH             39.31N 94.92W
04/29/2022  E55 MPH          LEAVENWORTH        KS   PUBLIC

0933 PM     HAIL             1 SSE DE SOTO           38.96N 94.95W
04/29/2022  E0.70 INCH       JOHNSON            KS   EMERGENCY MNGR

1017 PM     HAIL             SHAWNEE                 39.01N 94.81W
04/29/2022  E0.70 INCH       JOHNSON            KS   PUBLIC

            REPORT VIA SOCIAL MEDIA.

0913 PM     HAIL             4 E ARRINGTON           39.47N 95.46W
04/29/2022  E0.70 INCH       ATCHISON           KS   EMERGENCY MNGR

0920 PM     HAIL             4 S EFFINGHAM           39.47N 95.40W
04/29/2022  E0.70 INCH       ATCHISON           KS   EMERGENCY MNGR

0932 PM     HAIL             3 W CUMMINGS            39.46N 95.31W
04/29/2022  E0.70 INCH       ATCHISON           KS   EMERGENCY MNGR

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 8:45 PM CDT	Severe Thunderstorm Warning	EAX	Holt	45 min
Apr 29, 9:24 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Holt, Nodaway, Platte	51 min
Apr 29, 9:29 PM CDT	Tornado Warning	EAX	Buchanan, Platte	21 min
Apr 29, 9:58 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Clay, Jackson, Platte	47 min
Apr 29, 10:08 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Caldwell, Clinton, Daviess, DeKalb and 5 more	52 min
Apr 29, 10:44 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	46 min
Apr 29, 11:07 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson, Lafayette	38 min
Apr 29, 11:08 PM CDT	Areal Flood Advisory	EAX	Cass	3 hr
Apr 29, 11:23 PM CDT	Areal Flood Advisory	EAX	Cass, Jackson, Johnson, Lafayette	3 hr
Apr 29, 11:33 PM CDT	River Flood Warning	EAX	Cooper	42 hr
Apr 30, 12:22 AM CDT	Severe Thunderstorm Warning	EAX	Chariton, Cooper, Howard, Pettis, Randolph, Saline	53 min
Apr 30, 7:20 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	47 hr
Apr 30, 7:25 AM CDT	River Flood Warning	EAX	Cooper, Saline	8 days
Apr 30, 8:30 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	46 hr
Apr 30, 9:12 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	45 hr
Apr 30, 2:37 PM CDT	River Flood Warning	EAX	Cooper	10 hr
Apr 29, 9:01 PM CDT	Tornado Warning	EAX	Atchison	29 min
Apr 29, 9:18 PM CDT	Special Weather Statement	EAX	Johnson, Miami	27 min
Apr 29, 10:16 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	29 min

Nearby

River Flood Warnings in Missouri, 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.