Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 10, NWS Kansas City, MO

June 29, 20174 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 29, 2017, 9:25 PM CDT for 4 counties in Missouri. It was in force for 6 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 29, 2017, 9:25 PM CDT (02:25 UTC)
Expired: Jun 30, 2017, 3:30 AM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Chariton County, MO, Linn County, MO, Macon County, MO, Randolph County, MO

The radar

The Pleasant Hill radar (KEAX), 183 km from the middle of the area, began a volume at 02:30 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 29, 9:55 PM CDT	FLASH FLOOD	4 N Macon, MO	MULTIPLE ROADS THAT NORMALLY DO NOT FLOOD ARE SEEING FLOWING WATER SEVERAL INCHES DEEP. ROADS FLOODING INCLUDE ROAD DD AND HIGHWAY 63, ROAD 149 AND EAGLE, ROAD 149 AND DOGWOOD.
Jun 30, 12:33 AM CDT	FLASH FLOOD	8 N Keytesville, MO	WIDESPREAD ROAD CLOSURES ACROSS CHARITON COUNTY DUE TO HEAVY RAINFALL TONIGHT.
Jun 30, 2:45 AM CDT	FLASH FLOOD	3 Ene Macon, MO	VEHICLE WATER RESCUE ON BUSINESS 36 AND US63 EAST OF MACON. MULTIPLE ROADS IN MACON CLOSED DUE TO WATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.4 hours before the alert went out and 268 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1133 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

566 
WGUS53 KEAX 300225
FFWEAX
MOC041-115-121-175-300830-
/O.NEW.KEAX.FF.W.0010.170630T0225Z-170630T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
925 PM CDT THU JUN 29 2017

The National Weather Service in Pleasant Hill has issued a

* Flash Flood Warning for...
  Northeastern Chariton County in north central Missouri...
  Northern Randolph County in north central Missouri...
  Eastern Linn County in north central Missouri...
  Macon County in north central Missouri...

* Until 330 AM CDT Friday

* At 923 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Macon, Brookfield, Marceline, Bevier, Bucklin, Atlanta, Callao, New
  Cambria, Jacksonville, Rothville, Elmer, Ethel, New Boston,
  Excello, Wien and Saint Catherine.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3952 9230 3953 9308 3997 9307 3996 9235
      3995 9234 3995 9229

$$

Leighton

1 follow-up statement

550 
WGUS73 KEAX 300428
FFSEAX

Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
1128 PM CDT THU JUN 29 2017

MOC041-115-121-175-300830-
/O.CON.KEAX.FF.W.0010.000000T0000Z-170630T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chariton MO-Randolph MO-Linn MO-Macon MO-
1128 PM CDT THU JUN 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR
NORTHEASTERN CHARITON...NORTHERN RANDOLPH...EASTERN LINN AND MACON
COUNTIES...

At 1122 PM CDT, reports of 4 to 5 inches of rain have fallen due to 
thunderstorms across Macon County and surrounding areas. Emergency 
Management in Macon County has reported numerous roads that normally 
do not flood have water several inches deep flowing over them. Flash 
flooding is ongoing across Macon, Chariton, Randolph, and Linn 
Counties.

Some locations that are experiencing flooding include...
Macon, Brookfield, Marceline, Bevier, Bucklin, Atlanta, Callao, New
Cambria, Jacksonville, Rothville, Elmer, Ethel, New Boston, Excello,
Wien and Saint Catherine.

Additional rainfall amounts of 1 to 3 additional are possible in the 
warned area over the next several hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3952 9230 3953 9308 3997 9307 3996 9235
      3995 9234 3995 9229

$$

Leighton

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 7:52 PM CDT	Special Weather Statement	EAX	Saline	53 min
Jun 29, 8:02 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	28 min
Jun 29, 8:30 PM CDT	Severe Thunderstorm Warning	EAX	Cooper	30 min
Jun 29, 9:02 PM CDT	Special Weather Statement	EAX	Cooper	43 min
Jun 29, 9:11 PM CDT	Areal Flood Advisory	EAX	Macon	6 hr
Jun 29, 9:35 PM CDT	Special Weather Statement	EAX	Platte	40 min
Jun 29, 9:51 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	39 min
Jun 29, 10:29 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	32 min
Jun 29, 10:55 PM CDT	Flash Flood Warning	EAX	Caldwell, Carroll, Chariton, Daviess, Livingston	3 hr
Jun 29, 10:59 PM CDT	River Flood Warning	EAX	Ray	44 hr
Jun 29, 11:39 PM CDT	Flash Flood Warning	EAX	Chariton, Howard, Randolph	3 hr
Jun 29, 11:41 PM CDT	Special Weather Statement	EAX	Howard	49 min
Jun 29, 11:52 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard, Randolph	38 min
Jun 30, 12:45 AM CDT	Special Weather Statement	EAX	Jackson	45 min
Jun 30, 12:54 AM CDT	Special Weather Statement	EAX	Ray	51 min
Jun 30, 12:58 AM CDT	Flash Flood Warning	EAX	Buchanan, Caldwell, Clay, Clinton, DeKalb	3 hr
Jun 30, 1:40 AM CDT	Special Weather Statement	EAX	Saline	50 min
Jun 30, 2:00 AM CDT	Areal Flood Warning	EAX	Caldwell, Carroll, Chariton, Daviess, Howard, Livingston and 3 more	24 hr
Jun 30, 3:36 AM CDT	Areal Flood Warning	EAX	Carroll, Chariton, Cooper, Howard, Lafayette, Saline	24 hr
Jun 30, 3:45 AM CDT	Areal Flood Advisory	EAX	Buchanan, Caldwell, Clay, Clinton, Platte, Ray	12 hr
Jun 30, 4:46 AM CDT	River Flood Warning	EAX	Cooper, Saline	57 hr
Jun 30, 4:56 AM CDT	River Flood Warning	EAX	Clay, Ray	36 hr
Jun 30, 4:56 AM CDT	River Flood Warning	EAX	Howard	40 hr
Jun 30, 7:31 AM CDT	River Flood Warning	EAX	Bates, Cass, Henry	66 hr
Jun 30, 8:50 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	47 hr

Nearby

Flash Flood Warnings in Missouri, 2017 Every flash flood warning in 2017

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.