Alert archive / Missouri / River Flood Warnings in 2020

River Flood Warning 137, NWS Kansas City, MO

July 15, 2020Clay County, Platte County, Missouri

NWS Kansas City, MO issued this river flood warning at Jul 15, 2020, 6:50 AM CDT for Clay County, Platte County, Missouri. It took effect at Jul 15, 2020, 6:59 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jul 15, 2020, 6:50 AM CDT (11:50 UTC)
In effect from: Jul 15, 2020, 6:59 AM CDT
Expired: Jul 15, 2020, 11:43 AM CDT
In force: 5 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Minor

Counties Clay County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 66 km from the middle of the area, began a volume at 11:51 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 Little Platte River at Smithville (SMHM7).

Action stage: 21 ft
Minor stage: 27 ft
Moderate stage: 30.5 ft
Major stage: 35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06821150, 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, 13 minutes earlier.

Area forecast discussion, Jul 15, 6:37 AM CDT, 13 minutes before

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Hazardous weather outlook, Jul 15, 4:59 AM CDT, 1 hour 51 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

Special weather statement, Jul 15, 1:02 AM CDT, 5 hours 48 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
102 AM CDT Wed Jul 15 2020

MOZ003>005-150630-
Worth MO-Gentry MO-Harrison MO-
102 AM CDT Wed Jul 15 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN WORTH...NORTHERN
GENTRY AND WESTERN HARRISON COUNTIES UNTIL 130 AM CDT...

At 102 AM CDT, Doppler radar was tracking a strong thunderstorm near
Albany, moving east at 35 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Albany, Stanberry, New Hampton, Gentry, Worth, Allendale, Denver and
Martinsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

This storm 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.

&&

LAT...LON 4024 9408 4018 9461 4039 9460 4053 9412
TIME...MOT...LOC 0602Z 259DEG 31KT 4032 9439

CDB

Special weather statement, Jul 15, 1:25 AM CDT, 5 hours 25 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
125 AM CDT Wed Jul 15 2020

MOZ007-008-016-017-150715-
Schuyler MO-Putnam MO-Adair MO-Sullivan MO-
125 AM CDT Wed Jul 15 2020

...SIGNIFICANT WEATHER ADVISORY FOR ADAIR...EASTERN PUTNAM...
NORTHEASTERN SULLIVAN AND SCHUYLER COUNTIES UNTIL 215 AM CDT...

At 125 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles west of Lancaster to 8 miles north of
Novinger to Greencastle. Movement was southeast at 25 mph.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Kirksville, Lancaster, Green City, Queen City, Novinger, Greentop,
Downing, Greencastle, Glenwood, Millard, Pollock, Worthington,
Livonia, Kirksville Regional and Green Castle.

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.

&&

LAT...LON 4027 9235 4017 9239 4004 9262 4004 9274
      4031 9315 4049 9294 4059 9285 4060 9235
TIME...MOT...LOC 0625Z 303DEG 23KT 4054 9267 4035 9273 4027 9288

CDB

Local storm report, Jul 15, 3:50 AM CDT, 3 hours 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, 8:22 AM CDT	River Flood Warning	EAX	Buchanan	25 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.