Alert archive / Kansas / Flash Flood Warnings in 2012

Flash Flood Warning 27, NWS Springfield, MO

September 25, 2012Bourbon County, Kansas

NWS Springfield, MO issued this flash flood warning at Sep 25, 2012, 7:48 PM CDT for Bourbon County, Kansas. It was in force for 6 hr. 1 report 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: Sep 25, 2012, 7:48 PM CDT (00:48 UTC)
Expired: Sep 26, 2012, 2:00 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

County Bourbon County, KS

The radar

The Pleasant Hill radar (KEAX), 119 km from the middle of the area, began a volume at 00:49 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
Sep 26, 1:00 AM CDT	FLASH FLOOD	Fort Scott, KS	BOURBON COUNTY SHERIFF OFFICE REPORTED SEVERAL LOW WATER CROSSINGS AND BRIDGES UNDER WATER AND FLOODED.

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, 0.8 hours before the alert went out and 138 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: 1279 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 1578 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 63 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.

148 
WGUS53 KSGF 260048
FFWSGF
KSC011-260700-
/O.NEW.KSGF.FF.W.0027.120926T0048Z-120926T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
748 PM CDT TUE SEP 25 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOURBON COUNTY IN SOUTHEAST KANSAS...

* UNTIL 200 AM CDT WEDNESDAY.

* AT 740 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING ACROSS   
  THE WARNED AREA. RADAR HAS ESTIMATED THAT OVER THREE INCHES OF     
  RAINFALL HAS FALLEN OVER PORTIONS OF BOURBON COUNTY THIS EVENING.  
  ADDITIONAL HEAVY RAINFALL WILL MOVE OVER BOURBON COUNTY LATE THIS  
  EVENING...WITH ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE INCHES  
  WITH LOCALLY HEAVY AMOUNTS EXPECTED  WITH THIS ACTIVITY. THERE     
  WILL ALSO BE THE POTENTIAL FOR ADDITIONAL THUNDERSTORM             
  DEVELOPMENT ACROSS THE AREA INTO THE OVERNIGHT HOURS.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
  SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...

HIGHWAY 31 AT LITTLE OSAGE RIVER 5 MILES WEST OF FULTON.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3782 9510 3782 9509 3788 9508 3804 9509
      3805 9508 3805 9464 3804 9462 3767 9462
      3768 9509

$$

WISE

2 follow-up statements

433 
WGUS73 KSGF 260215
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
915 PM CDT TUE SEP 25 2012

KSC011-260700-
/O.CON.KSGF.FF.W.0027.000000T0000Z-120926T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOURBON KS-
915 PM CDT TUE SEP 25 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR
BOURBON COUNTY...

AT 904 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS PORTIONS 
OF THE WARNED AREA. RADAR ESTIMATED RAINFALL AMOUNTS OF ONE TO 
THREE INCHES WITH LOCALIZED AMOUNTS AS HIGH AS FOUR INCHES IN 
CENTRAL BOURBON COUNTY. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...

HIGHWAY 31 AT LITTLE OSAGE RIVER 5 MILES WEST OF FULTON.

ADDITIONAL SHOWERS AND THUNDERSTORMS WILL IMPACT THE AREA THIS 
EVENING AND POSSIBLY INTO THE OVERNIGHT HOURS. ADDITIONAL RAINFALL 
AMOUNTS OF ONE HALF TO ONE AND HALF INCHES ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. 

&&

LAT...LON 3782 9510 3782 9509 3788 9508 3804 9509
      3805 9508 3805 9464 3804 9462 3767 9462
      3768 9509

$$

FOSTER

998 
WGUS73 KSGF 260657
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
157 AM CDT WED SEP 26 2012

KSC011-260703-
/O.EXP.KSGF.FF.W.0027.000000T0000Z-120926T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOURBON KS-
157 AM CDT WED SEP 26 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 AM CDT FOR BOURBON
COUNTY...

THE FLASH FLOODING THREAT HAS ENDED AT THIS TIME BUT ONGOING 
MODERATE TO OCCASIONALLY HEAVY RAINFALL EARLY THIS MORNING WILL 
CONTINUE AN AREAL FLOOD THREAT FOR SMALL STREAMS AND DRAINAGE AREAS 
AS WELL AS LOW WATER CROSSINGS. AN AREAL FLOOD ADVISORY WILL REPLACE 
THE EXPIRED FLASH FLOOD WARNING. IF FLOODING HAS BEEN 
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3782 9510 3782 9509 3788 9508 3804 9509
      3805 9508 3805 9464 3804 9462 3767 9462
      3768 9509

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 25, 7:10 PM CDT	Flash Flood Watch	SGF	Bourbon, Crawford	11 hr
Sep 25, 7:18 PM CDT	Special Weather Statement	SGF	Bourbon	27 min
Sep 25, 8:08 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Crawford	67 min
Sep 26, 2:04 AM CDT	Areal Flood Advisory	SGF	Bourbon	6 hr

Nearby

Flash Flood Warnings in Kansas, 2012 Every flash flood warning in 2012

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.