Alert archive / Missouri / River Flood Warnings in 2020

River Flood Warning 58, NWS Kansas City, MO

May 4, 2020Cass County, Henry County, Johnson County, Missouri

NWS Kansas City, MO issued this river flood warning at May 4, 2020, 2:42 PM CDT for Cass County, Henry County, Johnson County, Missouri. It took effect at May 4, 2020, 8:56 PM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
May 4, 2020, 2:42 PM CDT (19:42 UTC)
In effect from
May 4, 2020, 8:56 PM CDT
Expired
May 5, 2020, 8:24 AM CDT
In force
11 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
Minor

Counties Cass County, MO, Henry County, MO, Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 34 km from the middle of the area, began a volume at 19:43 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 Big Creek near Blairstown (BLRM7).

Action stage
15 ft
Minor stage
20 ft
Moderate stage
23 ft
Major stage
36 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06921720, 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 4, 1:40 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 4, 1:40 PM CDT, 1 hour 2 minutes before
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Hazardous weather outlook, May 4, 5:18 AM CDT, 9 hours 24 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
518 AM CDT Mon May 4 2020

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-051030-
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-
518 AM CDT Mon May 4 2020

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

.DAY ONE...Today and Tonight

Thunderstorms will move into the area later this morning and persist
through the afternoon hours. A few of these storms may be severe,
especially south of Interstate 70. Heavy rainfall leading to
localized flooding will also be possible.

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

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected for the remainder of the week.

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

In the hours before

Special weather statement, May 4, 11:52 AM CDT, 2 hours 50 minutes before
Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1152 AM CDT Mon May 4 2020

KSZ103>105-MOZ021-028>030-037-038-041730-
Johnson KS-Wyandotte KS-Leavenworth KS-Platte MO-Ray MO-Clinton MO-
Lafayette MO-Jackson MO-Clay MO-
1152 AM CDT Mon May 4 2020

...SIGNIFICANT WEATHER ADVISORY FOR WYANDOTTE...EAST CENTRAL
LEAVENWORTH...NORTHEASTERN JOHNSON...CLAY...SOUTH CENTRAL CLINTON...
SOUTHWESTERN RAY...WEST CENTRAL LAFAYETTE...SOUTHEASTERN PLATTE AND
CENTRAL JACKSON COUNTIES UNTIL 1230 PM CDT...

At 1152 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Basehor to 6 miles southeast of Lenexa.
Movement was northeast at 55 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Kansas City, Overland Park, Olathe, Independence, Lee's Summit,
Shawnee, Blue Springs, Lenexa, Leawood, Raytown, Liberty, Gladstone,
Prairie Village, Grain Valley, Excelsior Springs, Merriam, Mission,
Smithville, Kearney and Oak Grove.

This includes the following highways...
 Interstate 70 in Missouri between mile markers 0 and 28.
 Interstate 70 in Kansas between mile markers 410 and 423.
 Interstate 35 in Missouri between mile markers 0 and 35.
 Interstate 35 in Kansas between mile markers 220 and 235.
 Interstate 29 between mile markers 0 and 14.
 Interstate 635 between mile markers 0 and 12.
 Interstate 470 between mile markers 13 and 16.
 Interstate 435 between mile markers 0 and 26, between mile markers
34 and 70, and between mile markers 79 and 83.
 Kansas Turnpike between mile markers 223 and 226.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A Severe Thunderstorm Watch remains in effect until 300 PM CDT for
northeastern and east central Kansas...and northwestern and west
central Missouri.

LAT...LON 3956 9434 3904 9399 3891 9479 3917 9495
TIME...MOT...LOC 1652Z 237DEG 48KT 3914 9484 3888 9467

Leighton
Local storm report, May 4, 12:40 PM CDT, 2 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1240 PM CDT MON MAY 4 2020

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

0940 AM     HAIL             PARKER                  38.33N 94.99W
05/04/2020  E1.50 INCH       LINN               KS   PUBLIC

0943 AM     HAIL             BEAGLE                  38.42N 94.95W
05/04/2020  E1.25 INCH       MIAMI              KS   TRAINED SPOTTER

            HAM RADIO OPERATOR.

1018 AM     TSTM WND DMG     2 SW EDWARDSVILLE       39.04N 94.84W
05/04/2020                   JOHNSON            KS   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

1023 AM     HAIL             2 SE FAIRMOUNT          39.17N 94.91W
05/04/2020  U0.50 INCH       LEAVENWORTH        KS   PUBLIC

            REPORT FROM MPING: HALF-INCH (0.50 IN.).

1029 AM     TSTM WND GST     3 W STANLEY             38.87N 94.72W
05/04/2020  M50 MPH          JOHNSON            KS   PUBLIC

1032 AM     HAIL             2 NE MUNCIE             39.10N 94.73W
05/04/2020  U1.00 INCH       WYANDOTTE          KS   PUBLIC

            REPORT FROM MPING: QUARTER (1.00 IN.).

1038 AM     HAIL             2 E WESTWOOD HILLS      39.03N 94.57W
05/04/2020  U0.50 INCH       JACKSON            MO   PUBLIC

            REPORT FROM MPING: HALF-INCH (0.50 IN.).

1039 AM     HAIL             2 NE WESTWOOD HILLS     39.06N 94.58W
05/04/2020  U0.50 INCH       JACKSON            MO   PUBLIC

            REPORT FROM MPING: HALF-INCH (0.50 IN.).

1046 AM     TSTM WND DMG     2 SW OVERLAND PARK      38.97N 94.69W
05/04/2020                   JOHNSON            KS   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

1138 AM     TSTM WND DMG     2 S EDGERTON            38.74N 95.01W
05/04/2020                   MIAMI              KS   FIRE DEPT/RESCUE

            SEMI-TIPPED OVER ON I-35 AND 215TH STREET.
            POWER POLES DOWN AT 207TH AND BRAUN IN
            EDGERTON.

1148 AM     TSTM WND GST     3 W STANLEY             38.87N 94.72W
05/04/2020  M75 MPH          JOHNSON            KS   PUBLIC

1150 AM     HAIL             3 W STANLEY             38.87N 94.72W
05/04/2020  E0.00 INCH       JOHNSON            KS   PUBLIC

1216 PM     TSTM WND DMG     1 N BELTON              38.82N 94.53W
05/04/2020                   CASS               MO   PUBLIC

            REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN;
            POWER POLES BROKEN.

1216 PM     FLASH FLOOD      1 N BELTON              38.82N 94.53W
05/04/2020                   CASS               MO   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

&&
Local storm report, May 4, 12:57 PM CDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1257 PM CDT MON MAY 4 2020

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

1255 PM     TSTM WND GST     4 WNW COAL              38.35N 93.68W
05/04/2020  M58 MPH          HENRY              MO   ASOS

&&
Local storm report, May 4, 1:06 PM CDT, 1 hour 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
106 PM CDT MON MAY 4 2020

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

1217 PM     TSTM WND DMG     GARDEN CITY             38.56N 94.19W
05/04/2020                   CASS               MO   LAW ENFORCEMENT

            TREES BLOCKING SEVERAL ROADS. CAR PORT WAS
            LIFTED AND BLOWN INTO A LOCAL BACK. POWER
            LINES DOWN. TWO TRACTOR TRAILERS BLOWN OVER
            ON HIGHWAY 7 IN GARDEN CITY AREA.

&&
Local storm report, May 4, 1:10 PM CDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
110 PM CDT MON MAY 4 2020

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

0940 AM     HAIL             PARKER                  38.33N 94.99W
05/04/2020  E1.50 INCH       LINN               KS   PUBLIC

            .

0943 AM     HAIL             BEAGLE                  38.42N 94.95W
05/04/2020  E1.25 INCH       MIAMI              KS   TRAINED SPOTTER

            HAM RADIO OPERATOR.

0943 AM     HAIL             3 S MOUND CITY          38.10N 94.82W
05/04/2020  E1.00 INCH       LINN               KS   PUBLIC

            LARGE HAIL...CRACKED CAR WINDSHIELD.

1000 AM     TSTM WND DMG     2 W LINWOOD             39.00N 95.08W
05/04/2020                   LEAVENWORTH        KS   EMERGENCY MNGR

            BARN BLOWN DOWN AT 206TH STREET AND K-32
            HIGHWAY.

1005 AM     TSTM WND DMG     3 W LINWOOD             39.00N 95.09W
05/04/2020                   LEAVENWORTH        KS   PUBLIC

            36 INCH DIAMETER LARGE TREE DOWN. REPORTED
            AT 222ND ROAD AND LINWOOD RD.

1006 AM     TSTM WND DMG     4 NE LA CYGNE           38.39N 94.71W
05/04/2020                   MIAMI              KS   LAW ENFORCEMENT

            15 TO 20 POWER POLES DOWN SE CORNER OF MIAMI
            CO. AND NE CORNER OF LINN CO.

1006 AM     TSTM WND DMG     6 NNE PLEASANTON        38.26N 94.68W
05/04/2020                   LINN               KS   LAW ENFORCEMENT

            STATIONARY TRACTOR TRAILER OVERTURNED.

1015 AM     HAIL             6 E MERWIN              38.40N 94.48W
05/04/2020  E1.00 INCH       BATES              MO   PUBLIC

1018 AM     TSTM WND DMG     2 SW EDWARDSVILLE       39.04N 94.84W
05/04/2020                   JOHNSON            KS   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

1029 AM     HAIL             PASSAIC                 38.32N 94.35W
05/04/2020  E1.00 INCH       BATES              MO   PUBLIC

1029 AM     TSTM WND DMG     MERRIAM                 39.02N 94.69W
05/04/2020                   JOHNSON            KS   PUBLIC

            LARGE TREE DOWN...FELL ON A SMALL OUT
            BUILDING.

1032 AM     HAIL             2 NE MUNCIE             39.10N 94.73W
05/04/2020  M1.00 INCH       WYANDOTTE          KS   PUBLIC

            REPORT FROM MPING: QUARTER (1.00 IN.).

1124 AM     TSTM WND GST     EDGERTON                38.76N 95.01W
05/04/2020  E65 MPH          JOHNSON            KS   PUBLIC

1138 AM     TSTM WND DMG     2 S EDGERTON            38.74N 95.01W
05/04/2020                   JOHNSON            KS   FIRE DEPT/RESCUE

            SEMI-TIPPED OVER ON I-35 AND 215TH STREET.
            POWER POLES DOWN AT 207TH AND BRAUN IN
            EDGERTON.

1142 AM     HAIL             OSAWATOMIE              38.50N 94.95W
05/04/2020  E1.00 INCH       MIAMI              KS   FIRE DEPT/RESCUE

            REPORTED AT US 69 AND PLUM CREEK ROAD.

1145 AM     TSTM WND GST     OLATHE                  38.89N 94.81W
05/04/2020  M78 MPH          JOHNSON            KS   PUBLIC

            WIND GUST MEASURED AT OJC.

1146 AM     TSTM WND GST     SPRING HILL             38.74N 94.83W
05/04/2020  E60 MPH          JOHNSON            KS   FIRE DEPT/RESCUE

1148 AM     TSTM WND GST     3 W STANLEY             38.87N 94.72W
05/04/2020  M75 MPH          JOHNSON            KS   PUBLIC

            .

1200 PM     TSTM WND GST     RAYMORE                 38.80N 94.45W
05/04/2020  E60 MPH          CASS               MO   NWS EMPLOYEE

1201 PM     TSTM WND GST     3 SW LEE'S SUMMIT       38.88N 94.42W
05/04/2020  E65 MPH          JACKSON            MO   EMERGENCY MNGR

            WINDS ESTIMATED 60+...BLEW PART OF FENCE
            OVER.

1202 PM     HAIL             2 N ARCHIE              38.51N 94.35W
05/04/2020  E1.00 INCH       CASS               MO   PUBLIC

1208 PM     TSTM WND GST     LEE'S SUMMIT            38.91N 94.38W
05/04/2020  M74 MPH          JACKSON            MO   PUBLIC

            LEES SUMMIT AIRPORT REPORTED WIND GUST OF 74
            MPH.

1211 PM     TSTM WND GST     GARDEN CITY             38.56N 94.19W
05/04/2020  M64 MPH          CASS               MO   PUBLIC

1217 PM     TSTM WND DMG     GARDEN CITY             38.56N 94.19W
05/04/2020                   CASS               MO   LAW ENFORCEMENT

            TREES BLOCKING SEVERAL ROADS. CAR PORT WAS
            LIFTED AND BLOWN INTO A LOCAL BACK. POWER
            LINES DOWN. TWO TRACTOR TRAILERS BLOWN OVER
            ON HIGHWAY 7 IN GARDEN CITY AREA.

1224 PM     TSTM WND GST     CREIGHTON               38.49N 94.07W
05/04/2020  M70 MPH          CASS               MO   TRAINED SPOTTER

            70 TO 80 MPH WIND WITH PEA SIZED HAIL. POWER
            KNOCKED OUT IN CRIEGHTON.

1255 PM     TSTM WND GST     4 WNW COAL              38.35N 93.68W
05/04/2020  M58 MPH          HENRY              MO   ASOS

&&
Local storm report, May 4, 1:16 PM CDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
116 PM CDT MON MAY 4 2020

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

1224 PM     TSTM WND DMG     CREIGHTON               38.49N 94.07W
05/04/2020                   CASS               MO   LAW ENFORCEMENT

            SEVERAL LARGE TREES SNAPPED AT BASE.
            APPROXIMATELY TWO FOOT DIAMETER TREE
            UPROOTED. ONE BUILDING BLOWN DOWN. POWER
            LINES DOWN AND ENTIRE TOWN WITHOUT POWER.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 9:43 AM CDTSevere Thunderstorm WarningEAXBates47 min
May 4, 9:56 AM CDTSevere Thunderstorm WarningEAXBates, Cass34 min
May 4, 10:15 AM CDTSevere Thunderstorm WarningEAXClay, Jackson, Platte45 min
May 4, 10:29 AM CDTSevere Thunderstorm WarningEAXBates, Henry46 min
May 4, 10:53 AM CDTSpecial Weather StatementEAXJackson, Lafayette52 min
May 4, 11:37 AM CDTSevere Thunderstorm WarningEAXBates, Cass, Jackson53 min
May 4, 11:52 AM CDTSpecial Weather StatementEAXClay, Jackson38 min
May 4, 12:08 PM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry, Jackson, Johnson, Lafayette and 1 more37 min
May 4, 12:29 PM CDTSevere Thunderstorm WarningEAXBates, Henry46 min
May 4, 12:41 PM CDTSevere Thunderstorm WarningEAXCooper, Henry, Johnson, Pettis49 min
May 4, 1:21 PM CDTSevere Thunderstorm WarningEAXCooper, Howard39 min
May 4, 9:12 AM CDTSevere Thunderstorm WarningEAXLinn33 min
May 4, 9:15 AM CDTSpecial Weather StatementEAXAtchison45 min
May 4, 9:20 AM CDTSevere Thunderstorm WarningEAXLinn, Miami40 min
May 4, 9:23 AM CDTSpecial Weather StatementEAXLeavenworth52 min
May 4, 9:39 AM CDTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte36 min
May 4, 11:09 AM CDTSevere Thunderstorm WarningEAXJohnson, Linn, Miami51 min

Nearby

River Flood Warnings in Missouri, 2020Every river flood warning in 2020

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.