Alert archive / Missouri / River Flood Warnings in 2020

River Flood Warning 138, NWS Kansas City, MO

July 15, 2020Buchanan County, Missouri

NWS Kansas City, MO issued this river flood warning at Jul 15, 2020, 8:22 AM CDT for Buchanan County, Missouri. It took effect at Jul 15, 2020, 5:32 PM CDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Jul 15, 2020, 8:22 AM CDT (13:22 UTC)
In effect from: Jul 15, 2020, 5:32 PM CDT
Expired: Jul 16, 2020, 9:32 AM CDT
In force: 16 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Moderate

County Buchanan County, MO

The radar

The Pleasant Hill radar (KEAX), 105 km from the middle of the area, began a volume at 13:23 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 Platte River near Agency (AGYM7).

Action stage: 15 ft
Minor stage: 20 ft
Moderate stage: 25 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06820500, 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 Jul 15, 6:37 AM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 15, 6:37 AM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, Jul 15, 4:59 AM CDT, 3 hours 23 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
459 AM CDT Wed Jul 15 2020

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-161000-
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-
459 AM CDT Wed Jul 15 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

 Heavy rainfall associated with a complex of showers and
 thunderstorms is expected Wednesday morning. Primary impacts
 include heavy rain and flash flooding. Gusty winds are also likely.

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

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

 Dangerous heat is expected Friday through the weekend. Highs
 anticipated around 95F with heat indicies near 105F

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

In the hours before

Local storm report, Jul 15, 3:50 AM CDT, 4 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
350 AM CDT WED JUL 15 2020

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

0339 AM     FLASH FLOOD      1 W GUILFORD            40.17N 94.76W
07/15/2020                   NODAWAY            MO   LAW ENFORCEMENT

            REPORT OF SEVERAL INCHES OF WATER FLOWING
            OVER HWY M WEST OF GUILFORD.

&&

PP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 12:19 AM CDT	Special Weather Statement	EAX	Harrison	26 min
Jul 15, 1:02 AM CDT	Special Weather Statement	EAX	Gentry	28 min
Jul 15, 1:25 AM CDT	Special Weather Statement	EAX	Adair, Schuyler	50 min
Jul 15, 1:36 AM CDT	Flash Flood Warning	EAX	Andrew, Gentry, Harrison, Nodaway, Worth	9 hr
Jul 15, 4:11 AM CDT	Flash Flood Warning	EAX	Holt	5 hr
Jul 15, 4:51 AM CDT	Flash Flood Warning	EAX	Macon	4 hr
Jul 15, 5:21 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	9 hr
Jul 15, 6:13 AM CDT	Flash Flood Warning	EAX	Clay, Clinton, Platte	3 hr
Jul 15, 6:50 AM CDT	River Flood Warning	EAX	Clay, Ray	11 hr
Jul 15, 6:50 AM CDT	River Flood Warning	EAX	Clay, Platte	5 hr
Jul 15, 8:38 AM CDT	Areal Flood Warning	EAX	Macon, Randolph	3 hr
Jul 15, 10:22 AM CDT	Areal Flood Warning	EAX	Andrew, Gentry, Harrison, Nodaway, Worth	3 hr

Nearby

River Flood Warnings in Missouri, 2020 Every 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.