Alert archive / Kansas / Flash Flood Warnings in 2009

Flash Flood Warning 39, NWS Springfield, MO

May 13, 2009Bourbon County, Kansas

NWS Springfield, MO issued this flash flood warning at May 13, 2009, 7:41 PM CDT for Bourbon County, Kansas. 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: May 13, 2009, 7:41 PM CDT (00:41 UTC)
Expired: May 14, 2009, 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), 125 km from the middle of the area, began a volume at 00:43 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

Springfield, MO (KSGF), launched 00:00Z, 0.7 hours before the alert went out and 141 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: 1647 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1622 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 289 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 16.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 140041
FFWSGF
KSC011-140700-
/O.NEW.KSGF.FF.W.0039.090514T0041Z-090514T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
741 PM CDT WED MAY 13 2009

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 200 AM CDT THURSDAY.

* AT 735 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATES A        
  CLUSTER OF THUNDERSTORMS MOVING THROUGH THE NORTHERN PORTION OF   
  BOURBON COUNTY KANSAS. THESE STORMS WILL BRIEFLY TRAIN FROM WEST   
  TO EAST OVER THE COUNTY OVER THE NEXT COUPLE OF HOURS PRODUCING A  
  QUICK ONE TO TWO AND ONE HALF INCHES OF RAIN PER HOUR. RAINFALL    
  OF THIS MAGNITUDE WILL BE CAPABLE OF PRODUCING FLASH FLOODING. 

* 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.

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 9507 3804 9507 3802 9461 3770 9462
      3768 9463 3767 9501 3768 9508 3781 9509

$$

DSA

1 follow-up statement

000 
WGUS73 KSGF 140319
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1019 PM CDT WED MAY 13 2009

KSC011-140700-
/O.CON.KSGF.FF.W.0039.000000T0000Z-090514T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOURBON KS-
1019 PM CDT WED MAY 13 2009

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

AT 1017 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT EXCESSIVE RAINFALL HAD ENDED ACROSS THE WARNED AREA. RADAR 
ESTIMATED THAT ONE TO THREE INCHES OF RAIN FELL ACROSS BOURBON 
COUNTY FROM EARLIER STORMS. 

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. 

&&

LAT...LON 3782 9507 3804 9507 3802 9461 3770 9462
      3768 9463 3767 9501 3768 9508 3781 9509

$$

FOSTER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 7:13 PM CDT	Tornado Warning	SGF	Bourbon	77 min
May 13, 7:58 PM CDT	Tornado Warning	SGF	Crawford	62 min
May 13, 8:00 PM CDT	Severe Thunderstorm Warning	SGF	Crawford	75 min
May 13, 8:37 PM CDT	Flash Flood Warning	SGF	Crawford	5 hr
May 13, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee	71 min
May 13, 9:26 PM CDT	Tornado Warning	SGF	Cherokee	34 min
May 13, 9:32 PM CDT	Flash Flood Warning	SGF	Cherokee	4 hr
May 13, 10:00 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee	30 min
May 14, 1:50 AM CDT	Areal Flood Warning	SGF	Bourbon, Cherokee, Crawford	12 hr

Nearby

Flash Flood Warnings in Kansas, 2009 Every flash flood warning in 2009

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.