Alert archive / Kansas / Flash Flood Warnings in 2012

Flash Flood Warning 16, NWS Springfield, MO

April 30, 2012Cherokee County, Kansas

NWS Springfield, MO issued this flash flood warning at Apr 30, 2012, 10:53 PM CDT for Cherokee 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: Apr 30, 2012, 10:53 PM CDT (03:53 UTC)
Expired: May 1, 2012, 5:00 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

County Cherokee County, KS

The radar

The Tulsa radar (KINX), 124 km from the middle of the area, began a volume at 03:56 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
May 1, 1:19 AM CDT	FLASH FLOOD	Columbus, KS	SEVERAL STREETS CLOSED IN COLUMBUS...SOME WITH TWO FEET OF WATER OVER THEM. K7 IS CLOSED NORTH OF COLUMBUS AND SOUTHEAST 22ND IS CLOSED.

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

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.9 hours before the alert went out and 104 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: 202 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1176 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 142 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.

155 
WGUS53 KSGF 010353
FFWSGF
KSC021-011000-
/O.NEW.KSGF.FF.W.0016.120501T0353Z-120501T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1053 PM CDT MON APR 30 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 500 AM CDT TUESDAY.

* AT 1049 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS CHEROKEE
  COUNTY. ADDITIONAL THUNDERSTORMS OVER LABETTE AND MONTGOMERY       
  COUNTIES WILL LIKELY MOVE INTO CHEROKEE COUNTY AS WELL.  THESE     
  STORMS WILL CAUSE EXCESSIVE RAINFALL...AND CREATE FLASH FLOODING.
  RAINFALL AMOUNTS COULD ADD UP TO THREE INCHES FROM THESE STORMS.

* 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 7 AT LITTLE CHERRY CREEK NORTH OF COLUMBUS.

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 3733 9509 3734 9462 3700 9462 3700 9507
      3700 9508

$$

CRAMER

2 follow-up statements

237 
WGUS73 KSGF 010711
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
211 AM CDT TUE MAY 1 2012

KSC021-011000-
/O.CON.KSGF.FF.W.0016.000000T0000Z-120501T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE KS-
211 AM CDT TUE MAY 1 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
CHEROKEE COUNTY...

AT 207 AM CDT...THE CHEROKEE COUNTY EMERGENCY MANAGEMENT DIRECTOR 
REPORTED THAT EXCESSIVE RAINFALL WAS PRODUCING WIDESPREAD FLASH 
FLOODING ACROSS NEARLY ALL OF CHEROKEE COUNTY. RADAR ESTIMATED THAT 
TWO TO SIX INCHES OF RAIN HAS FALLEN OVER CHEROKEE COUNTY...CREATING 
SIGNIFICANT FLASH FLOODING.  NUMEROUS ROADWAYS HAVE FLOODED...WHICH 
HAVE BECOME DANGEROUS AND IMPASSABLE TO MOTORISTS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3733 9509 3734 9462 3700 9462 3700 9507
      3700 9508

$$

CRAMER

988 
WGUS73 KSGF 010954
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
454 AM CDT TUE MAY 1 2012

KSC021-011000-
/O.EXP.KSGF.FF.W.0016.000000T0000Z-120501T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE KS-
454 AM CDT TUE MAY 1 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 500 AM CDT FOR CHEROKEE
COUNTY...

RAINFALL HAS COME TO AN END ACROSS THE WARNED AREA...AND WATER 
LEVELS ON AREA CREEKS AND STREAMS WILL BEGIN TO RECEDE THIS MORNING. 
FLOODING WILL CONTINUE IN MANY PLACES TODAY HOWEVER...AND THE FLASH 
FLOOD WARNING HAS BEEN REPLACED BY AN AREAL FLOOD WARNING.

IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL 
LAW ENFORCEMENT AGENCY.

LAT...LON 3733 9509 3734 9462 3700 9462 3700 9507
      3700 9508

$$

BOXELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 11:22 PM CDT	Flash Flood Warning	SGF	Crawford	6 hr
Apr 30, 11:43 PM CDT	Flash Flood Warning	SGF	Bourbon	5 hr
May 1, 12:21 AM CDT	Severe Thunderstorm Warning	SGF	Cherokee	24 min
May 1, 1:26 AM CDT	Severe Thunderstorm Warning	SGF	Cherokee	34 min
May 1, 4:49 AM CDT	Areal Flood Warning	SGF	Bourbon, Cherokee, Crawford	27 hr
May 1, 8:35 AM CDT	River Flood Warning	SGF	Cherokee	34 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.