Alert archive / Kansas / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS Kansas City, MO

June 18, 2013Miami County, Kansas

NWS Kansas City, MO issued this flash flood warning at Jun 18, 2013, 5:28 PM CDT for Miami County, Kansas. It was in force for 5 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: Jun 18, 2013, 5:28 PM CDT (22:28 UTC)
Expired: Jun 18, 2013, 10:30 PM CDT
In force: 5 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

County Miami County, KS

The radar

The Pleasant Hill radar (KEAX), 69 km from the middle of the area, began a volume at 22:28 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 18, 5:53 PM CDT	FLASH FLOOD	Osawatomie, KS	HIGH WATER NEAR 7TH AND MAIN ST IN OSAWATOMIE. TOO HIGH FOR A SMALL CAR TO PASS THROUGH. REPORTED BY PUBLIC.
Jun 18, 5:53 PM CDT	HEAVY RAIN 3.65	Osawatomie, KS	RAINFALL SINCE 445 PM...ROUGHLY ONE HOUR...AND STILL RAINING

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 12:00Z, 10.5 hours before the alert went out and 88 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: 1368 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 904 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

164 
WGUS53 KEAX 182228
FFWEAX
KSC121-190330-
/O.NEW.KEAX.FF.W.0021.130618T2228Z-130619T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
528 PM CDT TUE JUN 18 2013

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN MIAMI COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 1030 PM CDT

* AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE  
  WARNED AREA. DUAL POL RADAR ESTIMATES IN EXCESS OF 2 INCHES OF 
  RAIN HAS FALLEN SINCE 445 PM. DRAINAGE DITCHES IN THE OSAWATOMIE 
  AREA ARE OVERFLOWING ONTO AREA ROADS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  OSAWATOMIE AND FONTANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADDITIONAL ONE TO TWO INCHES OF RAIN ARE POSSIBLE AS THESE STORMS 
MOVE THROUGH THE REGION.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3839 9493 3844 9506 3858 9507 3851 9474
      3839 9475

$$

MJ

1 follow-up statement

450 
WGUS73 KEAX 190105
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
805 PM CDT TUE JUN 18 2013

KSC121-190119-
/O.CAN.KEAX.FF.W.0021.000000T0000Z-130619T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIAMI KS-
805 PM CDT TUE JUN 18 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN MIAMI
COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3839 9493 3844 9506 3858 9507 3851 9474
      3839 9475

$$

PMM/RC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 4:57 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	48 min
Jun 18, 5:28 PM CDT	Severe Thunderstorm Warning	EAX	Linn	47 min
Jun 18, 5:48 PM CDT	Flash Flood Warning	EAX	Linn	5 hr
Jun 18, 6:16 PM CDT	Severe Thunderstorm Warning	EAX	Linn	29 min

Nearby

Flash Flood Warnings in Kansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.