Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 15, NWS Kansas City, MO

June 25, 20214 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 25, 2021, 12:57 AM CDT for 4 counties in Missouri. It was in force for 10 hr. 3 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: Jun 25, 2021, 12:57 AM CDT (05:57 UTC)
Expired: Jun 25, 2021, 10:30 AM CDT
In force: 10 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Caldwell County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO

The radar

The Pleasant Hill radar (KEAX), 119 km from the middle of the area, began a volume at 05:57 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
Jun 25, 1:52 AM CDT	FLASH FLOOD	2 S Amity, MO	PORTIONS OF J HIGHWAY ARE STARTING TO FLOOD WITH WATER OVER THE ROAD.
Jun 25, 6:08 AM CDT	FLASH FLOOD	Clarksdale, MO	NUMEROUS ROADS ACROSS THE COUNTY ARE CLOSED. WATER RESCUES WERE TAKING PLACE IN CLARKSDALE PER DEKALB COUNTY SHERIFFS OFFICE.
Jun 25, 6:50 AM CDT	HEAVY RAIN 4.8	Gallatin, MO	STORM TOTAL PRECIPITATION AS OF 640 AM.

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, 6.0 hours before the alert went out and 153 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2766 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1424 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 225 m²/s²
0-3 km storm-relative helicity: 404 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 23.2

Open this sounding in Storm Lab

The text

As transmitted.

933 
WGUS53 KEAX 250557
FFWEAX
MOC025-049-061-063-251200-
/O.NEW.KEAX.FF.W.0015.210625T0557Z-210625T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
1257 AM CDT Fri Jun 25 2021

The National Weather Service in Pleasant Hill MO has issued a

* Flash Flood Warning for...
  Northern Caldwell County in north central Missouri...
  Daviess County in north central Missouri...
  Northern Clinton County in northwestern Missouri...
  DeKalb County in northwestern Missouri...

* Until 700 AM CDT Friday.

* At 1257 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Cameron, Hamilton, Gallatin, Maysville, Stewartsville, Jamesport, 
  Union Star, Osborn, Breckenridge, Clarksdale, Kidder, Winston, 
  Altamont, Jameson, Weatherby, Lock Springs, Amity, Santa Rosa and 
  Fairport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4000 9460 4006 9376 3966 9376 3966 9460

FLASH FLOOD...RADAR INDICATED

$$

SAW

2 follow-up statements

661 
WGUS73 KEAX 250659
FFSEAX

Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
159 AM CDT Fri Jun 25 2021

MOC025-049-061-063-251200-
/O.CON.KEAX.FF.W.0015.000000T0000Z-210625T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Caldwell MO-Clinton MO-Daviess MO-DeKalb MO-
159 AM CDT Fri Jun 25 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING 
FOR NORTHERN CALDWELL, DAVIESS, NORTHERN CLINTON AND DEKALB 
COUNTIES...

At 159 AM CDT, local law enforcement reported thunderstorms 
producing heavy rain across the warned area. Between 2 and 5 inches 
of rain have fallen. Additional rainfall amounts of 1 to 3 inches 
are possible in the warned area. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Cameron, Hamilton, Gallatin, Maysville, Stewartsville, Jamesport, 
  Union Star, Osborn, Breckenridge, Clarksdale, Kidder, Winston, 
  Altamont, Jameson, Weatherby, Lock Springs, Amity, Santa Rosa and 
  Fairport.

Highway J is flooded south of Amity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4000 9460 4006 9376 3966 9376 3966 9460

FLASH FLOOD...OBSERVED

$$

SAW

053 
WGUS53 KEAX 251110
FFWEAX
MOC025-049-061-063-251530-
/O.EXT.KEAX.FF.W.0015.000000T0000Z-210625T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
610 AM CDT Fri Jun 25 2021

The National Weather Service in Pleasant Hill MO has extended the

* Flash Flood Warning for...
  Northern Caldwell County in north central Missouri...
  Daviess County in north central Missouri...
  Northern Clinton County in northwestern Missouri...
  DeKalb County in northwestern Missouri...

* Until 1030 AM CDT.

* At 610 AM CDT, local law enforcement reported thunderstorms 
  producing heavy rain across the warned area. Between 2 and 5 
  inches of rain have fallen. Additional rainfall amounts of 0.5 to 
  1 inch are possible in the warned area. Flash flooding is already 
  occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Cameron, Hamilton, Gallatin, Maysville, Stewartsville, Jamesport, 
  Union Star, Osborn, Breckenridge, Clarksdale, Kidder, Winston, 
  Altamont, Jameson, Weatherby, Lock Springs, Amity, Santa Rosa and 
  Fairport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4000 9460 4006 9376 3966 9376 3966 9460

FLASH FLOOD...OBSERVED

$$

Leighton

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:03 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	42 min
Jun 24, 7:17 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt, Nodaway	43 min
Jun 24, 7:24 PM CDT	Special Weather Statement	EAX	Mercer	51 min
Jun 24, 7:39 PM CDT	Flash Flood Warning	EAX	Daviess, DeKalb, Gentry, Grundy, Harrison, Mercer and 1 more	6 hr
Jun 24, 7:45 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb, Gentry, Nodaway	45 min
Jun 24, 7:55 PM CDT	Special Weather Statement	EAX	Andrew, DeKalb	50 min
Jun 24, 8:12 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Daviess, DeKalb, Gentry, Grundy, Harrison and 2 more	48 min
Jun 24, 8:14 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	24 min
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Chariton, Macon	19 hr
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Andrew, Nodaway	14 hr
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Andrew, Buchanan	3 days
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Carroll, Chariton	9 days
Jun 24, 8:27 PM CDT	Flash Flood Warning	EAX	Andrew, Buchanan, Holt	16 hr
Jun 24, 8:37 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Holt	38 min
Jun 24, 8:48 PM CDT	Flash Flood Warning Considerable damage threat	EAX	Mercer	3 hr
Jun 24, 8:51 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, DeKalb, Grundy, Harrison, Linn and 4 more	54 min
Jun 24, 9:00 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Caldwell, Clay, Clinton, DeKalb, Platte and 1 more	60 min
Jun 24, 9:13 PM CDT	Tornado Warning	EAX	Grundy, Sullivan	17 min
Jun 24, 9:29 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Caldwell, Carroll, Chariton, Daviess, Grundy and 7 more	61 min
Jun 24, 9:33 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Caldwell, Carroll, Clay, Clinton, Jackson and 3 more	57 min
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Cooper, Saline	11 days
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Cooper	60 hr
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Carroll	8 days
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Johnson, Pettis	71 hr
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	9 days
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Cooper, Howard	10 days
Jun 24, 9:40 PM CDT	Tornado Warning	EAX	Putnam, Sullivan	20 min
Jun 24, 9:58 PM CDT	Tornado Warning	EAX	Adair, Sullivan	17 min
Jun 24, 10:18 PM CDT	Tornado Warning	EAX	Carroll, Lafayette, Saline	27 min
Jun 24, 10:24 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Carroll, Chariton, Howard, Lafayette, Linn and 6 more	51 min
Jun 24, 10:25 PM CDT	Areal Flood Advisory	EAX	Buchanan, Clay, Clinton, Platte	3 hr
Jun 24, 10:43 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	32 min
Jun 24, 11:17 PM CDT	Special Weather Statement	EAX	Cooper, Howard, Randolph, Saline	58 min
Jun 25, 1:17 AM CDT	Areal Flood Warning	EAX	Daviess, DeKalb, Gentry, Grundy, Harrison, Mercer and 1 more	12 hr
Jun 25, 1:28 AM CDT	Areal Flood Advisory	EAX	Carroll, Chariton, Cooper, Howard, Lafayette, Saline	3 hr
Jun 25, 1:34 AM CDT	River Flood Warning	EAX	Clay, Ray	34 hr
Jun 25, 1:59 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	63 hr
Jun 25, 2:02 AM CDT	River Flood Warning	EAX	Buchanan, Platte	27 hr
Jun 25, 2:03 AM CDT	River Flood Warning	EAX	Platte	65 hr
Jun 25, 2:04 AM CDT	River Flood Warning	EAX	Platte	27 hr
Jun 25, 2:07 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	4 days
Jun 25, 2:10 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	4 days
Jun 25, 2:11 AM CDT	Flash Flood Warning Considerable damage threat	EAX	Andrew, Holt, Nodaway	10 hr
Jun 25, 2:13 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	8 days
Jun 25, 2:20 AM CDT	Areal Flood Warning	EAX	Atchison, Holt, Nodaway	12 hr
Jun 25, 2:26 AM CDT	River Flood Warning	EAX	Atchison, Holt	6 hr
Jun 25, 2:26 AM CDT	River Flood Warning	EAX	Grundy, Livingston	13 hr
Jun 25, 3:13 AM CDT	Flash Flood Warning Considerable damage threat	EAX	Carroll, Chariton, Howard, Saline	7 hr
Jun 25, 3:59 AM CDT	Special Weather Statement	EAX	Platte	46 min
Jun 25, 4:21 AM CDT	Severe Thunderstorm Warning	EAX	Platte	39 min
Jun 25, 4:28 AM CDT	Flash Flood Warning	EAX	Caldwell, Carroll, Lafayette, Livingston, Ray, Saline	4 hr
Jun 25, 4:46 AM CDT	Areal Flood Advisory	EAX	Clay, Clinton, Jackson, Platte, Ray	3 hr
Jun 25, 4:55 AM CDT	Flash Flood Warning	EAX	Carroll, Lafayette, Ray, Saline	6 hr
Jun 25, 5:24 AM CDT	Flash Flood Warning	EAX	Cooper, Howard	5 hr
Jun 25, 7:25 AM CDT	Areal Flood Advisory	EAX	Cooper, Pettis, Saline	4 hr
Jun 25, 8:13 AM CDT	Areal Flood Warning	EAX	Buchanan, Caldwell, Clay, Clinton, Platte, Ray	3 hr
Jun 25, 8:40 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	8 days
Jun 25, 9:12 AM CDT	Areal Flood Warning	EAX	Caldwell, Carroll, Chariton, Cooper, Daviess, Howard and 7 more	4 days
Jun 25, 9:23 AM CDT	Areal Flood Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Holt	12 hr
Jun 25, 1:25 PM CDT	Areal Flood Warning	EAX	Buchanan, Clay, Clinton, Platte	9 hr
Jun 25, 2:53 PM CDT	Special Weather Statement	EAX	Cass	67 min
Jun 25, 3:42 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Johnson	33 min
Jun 25, 3:54 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	24 min
Jun 25, 3:59 PM CDT	Flash Flood Warning	EAX	Cass	6 hr
Jun 25, 4:14 PM CDT	Severe Thunderstorm Warning	EAX	Platte	46 min
Jun 25, 4:22 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	38 min
Jun 25, 4:31 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	44 min
Jun 25, 4:52 PM CDT	Tornado Warning	EAX	Henry, Johnson	23 min
Jun 25, 4:56 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	49 min
Jun 25, 4:57 PM CDT	Flash Flood Warning	EAX	Henry, Johnson	6 hr
Jun 25, 5:06 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	39 min
Jun 25, 5:57 PM CDT	Flash Flood Warning	EAX	Bates, Cass, Henry	6 hr
Jun 25, 6:10 PM CDT	Flash Flood Warning	EAX	Cooper, Howard, Saline	6 hr

Nearby

Flash Flood Warnings in Missouri, 2021 Every flash flood warning in 2021

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.