Alert archive / Missouri / Flash Flood Warnings in 2013

Flash Flood Warning 2, NWS Kansas City, MO

April 17, 20134 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Apr 17, 2013, 10:11 PM CDT for 4 counties in Missouri. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 17, 2013, 10:11 PM CDT (03:11 UTC)
Expired: Apr 18, 2013, 4:00 AM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Adair County, MO, Linn County, MO, Macon County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 184 km from the middle of the area, began a volume at 03:11 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.2 hours before the alert went out and 270 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: 6 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 418 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 584 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

265 
WGUS53 KEAX 180311
FFWEAX
MOC001-115-121-211-180900-
/O.NEW.KEAX.FF.W.0002.130418T0311Z-130418T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1011 PM CDT WED APR 17 2013

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ADAIR COUNTY IN NORTHEAST MISSOURI...
  LINN COUNTY IN NORTH CENTRAL MISSOURI...
  MACON COUNTY IN NORTH CENTRAL MISSOURI...
  SULLIVAN COUNTY IN NORTH CENTRAL MISSOURI...

* UNTIL 400 AM CDT

* AT 1008 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  NUMEROUS WAVES OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY 
  RAINFALL WHICH WILL MOVE ACROSS THE WARNED AREA. DOPPLER RADAR 
  ESTIMATED BETWEEN 1 AND 2 INCHES OF RAIN WITH ISOLATED AMOUNTS 
  CLOSE TO 3 INCHES HAVE FALLEN SINCE WEDNESDAY MORNING.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BROOKFIELD...KIRKSVILLE...LA PLATA...MACON...MARCELINE...MILAN...
  ATLANTA...BEVIER...BRASHEAR...BROWNING...BUCKLIN...CALLAO...GREEN
  CITY...LACLEDE...LINNEUS...MEADVILLE AND NOVINGER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA OVERNIGHT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3970 9284 3971 9311 3970 9336 4038 9337
      4039 9286 4034 9285 4035 9236 3996 9234
      3996 9229 3975 9230

$$

MJ

1 follow-up statement

865 
WGUS73 KEAX 180509
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1209 AM CDT THU APR 18 2013

MOC001-115-121-211-180900-
/O.CON.KEAX.FF.W.0002.000000T0000Z-130418T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINN MO-MACON MO-SULLIVAN MO-ADAIR MO-
1209 AM CDT THU APR 18 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SULLIVAN...MACON AND
LINN COUNTIES IN NORTH CENTRAL MISSOURI...AND ADAIR COUNTY IN
NORTHEAST MISSOURI UNTIL 400 AM CDT...

AT 1202 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SEVERAL MORE ROUNDS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL WILL 
MOVE ACROSS THE WARNED AREA. DOPPLER RADAR AND RAIN GAGES ESTIMATE 
BETWEEN 1 AND 2 INCHES OF RAIN HAS FALLEN SINCE 4 PM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BROOKFIELD...KIRKSVILLE...LA PLATA...MACON...MARCELINE...MILAN...
ATLANTA...BEVIER...BRASHEAR...BROWNING...BUCKLIN...CALLAO...GREEN
CITY...LACLEDE...LINNEUS...MEADVILLE AND NOVINGER.

THE FOLLOWING ROADS CLOSED DUE TO HIGH WATER INCLUDE...HIGHWAY 10 
EAST OF KIRKSVILLE...ROUTE E NORTHEAST OF LA PLATA...HIGHWAY 149 
WEST OF GILFORD...AND ROUTE HH SOUTH OF ELMER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY OVERNIGHT IN 
THE WARNED AREA.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL
AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3970 9284 3971 9311 3970 9336 4038 9337
      4039 9286 4034 9285 4035 9236 3996 9234
      3996 9229 3975 9230

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 7:11 PM CDT	Flash Flood Warning	EAX	Chariton, Cooper, Howard, Macon, Randolph, Saline	8 hr
Apr 17, 7:17 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Randolph	28 min
Apr 17, 8:04 PM CDT	Special Weather Statement	EAX	Randolph	26 min
Apr 17, 8:10 PM CDT	Special Weather Statement	EAX	Saline	35 min
Apr 17, 9:02 PM CDT	Areal Flood Warning	EAX	Daviess, Grundy, Harrison, Mercer, Putnam, Sullivan	24 hr
Apr 17, 9:14 PM CDT	River Flood Warning	EAX	Atchison, Holt	8 hr
Apr 17, 9:16 PM CDT	Special Weather Statement	EAX	Chariton	29 min
Apr 17, 11:20 PM CDT	Areal Flood Advisory	EAX	Bates, Caldwell, Carroll, Cass, Chariton, Clay and 11 more	6 hr
Apr 18, 3:02 AM CDT	Areal Flood Warning	EAX	Adair, Carroll, Chariton, Howard, Linn, Livingston and 4 more	12 hr
Apr 18, 3:53 AM CDT	River Flood Warning	EAX	Clay, Ray	6 hr
Apr 18, 4:02 AM CDT	Freeze Warning	EAX	Andrew, Atchison, Buchanan, DeKalb, Gentry, Harrison and 3 more	28 hr
Apr 18, 7:54 AM CDT	River Flood Warning	EAX	Daviess, Gentry	49 hr
Apr 18, 8:45 AM CDT	River Flood Warning	EAX	Daviess, Livingston	60 hr
Apr 18, 3:10 PM CDT	Areal Flood Warning	EAX	Adair, Andrew, Atchison, Carroll, Chariton, Daviess and 16 more	21 hr

Nearby

Flash Flood Warnings in Missouri, 2013 Every flash flood warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.