Alert archive / Missouri / Flash Flood Warnings in 2020
Flash Flood Warning 13, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Jul 15, 2020, 1:36 AM CDT for 5 counties in Missouri. It was in force for 9 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 15, 2020, 1:36 AM CDT (06:36 UTC)
- Expired
- Jul 15, 2020, 10:30 AM CDT
- In force
- 9 hr
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Andrew County, MO, Gentry County, MO, Harrison County, MO, Nodaway County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 158 km from the middle of the area, began a volume at 06:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 3:39 AM CDT | FLASH FLOOD | 1 W Guilford, MO | REPORT OF SEVERAL INCHES OF WATER FLOWING OVER HWY M WEST OF GUILFORD. |
| Jul 15, 8:54 AM CDT | FLASH FLOOD | Rosendale, MO | MODOT REPORTS MISSOURI HIGHWAY 48 IS CLOSED ON THE EAST SIDE OF ROSENDALE DUE TO FLASH FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 6.6 hours before the alert went out and 164 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 7306 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1110 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 4.9
- Supercell composite
- 26.6
The text
As transmitted.
807
WGUS53 KEAX 150636
FFWEAX
MOC003-075-081-147-227-151230-
/O.NEW.KEAX.FF.W.0013.200715T0636Z-200715T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
136 AM CDT Wed Jul 15 2020
The National Weather Service in Pleasant Hill has issued a
* Flash Flood Warning for...
Southeastern Worth County in northwestern Missouri...
Gentry County in northwestern Missouri...
Harrison County in north central Missouri...
Southern Nodaway County in northwestern Missouri...
Northern Andrew County in northwestern Missouri...
* Until 730 AM CDT.
* At 134 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is ongoing or expected to begin
shortly. Extremely heavy rainfall rates up to 2 inches per hour
will continue through the overnight hours across portions of the
warned area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flooding include...
Bethany, Albany, Stanberry, Grant City, Ridgeway, Ravenwood, Gilman
City, Eagleville, New Hampton, Cainsville, Fillmore, Barnard,
Conception Junction, Blythedale, Bolckow, Graham, Rosendale,
Darlington, Mount Moriah and Guilford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4014 9378 4014 9421 4000 9501 4005 9501
4008 9505 4011 9504 4015 9506 4025 9507
4036 9471 4057 9423 4057 9377
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CDB2 follow-up statements
103
WGUS73 KEAX 150834
FFSEAX
Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
334 AM CDT Wed Jul 15 2020
MOC003-075-081-147-227-151230-
/O.CON.KEAX.FF.W.0013.000000T0000Z-200715T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Worth MO-Gentry MO-Harrison MO-Nodaway MO-Andrew MO-
334 AM CDT Wed Jul 15 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR
SOUTHEASTERN WORTH...GENTRY...HARRISON...SOUTHERN NODAWAY AND
NORTHERN ANDREW COUNTIES...
At 330 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain over northern Andrew and southern Nodaway counties. Radar
estimates over northern Andrew and southern Nodaway counties show
between 5 and as much as 8 inches of rain has fallen. With rainfall
rates of 1 to 2 inches per hour continuing, flash flooding is very
likely ongoing or expected to begin shortly in this area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage
and low lying areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4014 9378 4014 9421 4000 9501 4005 9501
4008 9505 4011 9504 4015 9506 4025 9507
4036 9471 4057 9423 4057 9377
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CDB616
WGUS53 KEAX 151221
FFWEAX
MOC003-075-081-147-227-151530-
/O.EXT.KEAX.FF.W.0013.000000T0000Z-200715T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
721 AM CDT Wed Jul 15 2020
The National Weather Service in Pleasant Hill has extended the
* Flash Flood Warning for...
Southeastern Worth County in northwestern Missouri...
Gentry County in northwestern Missouri...
Harrison County in north central Missouri...
Southern Nodaway County in northwestern Missouri...
Northern Andrew County in northwestern Missouri...
* Until 1030 AM CDT.
* At 716 AM CDT, transportation department officials reported
flooding across the warned area. Highway H near Darlington and
Highway 48 near Rosendale are closed due to flooding. Overnight
rainfall totals ranged from 3 to 5 inches with isolated higher
amounts. Moderate to heavy rainfall will continue this morning
with another inch of rainfall possible.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Transportation Department.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flooding include...
Bethany, Albany, Stanberry, Grant City, Ridgeway, Ravenwood, Gilman
City, Eagleville, New Hampton, Cainsville, Fillmore, Barnard,
Conception Junction, Blythedale, Bolckow, Graham, Rosendale,
Darlington, Mount Moriah and Guilford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4014 9378 4014 9421 4000 9501 4005 9501
4008 9505 4011 9504 4015 9506 4025 9507
4036 9471 4057 9423 4057 9377
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
SAWThe 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, 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, 8:22 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
Flash Flood Warnings in Missouri, 2020Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.