Alert archive / Kansas / Flash Flood Warnings in 2005

Flash Flood Warning 13, NWS Topeka, KS

May 12, 2005Lyon County, Osage County, Kansas

NWS Topeka, KS issued this flash flood warning at May 12, 2005, 10:38 PM CDT for Lyon County, Osage 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 12, 2005, 10:38 PM CDT (03:38 UTC)
Expired
May 13, 2005, 4:45 AM CDT
In force
6 hr
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 42 km from the middle of the area, began a volume at 03:42 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

Lamont, OK (KLMN), launched 00:00Z, 3.6 hours before the alert went out and 264 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-pSkew-T log-p diagram, Lamont, OK at 00:00Z on 2005-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1203 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 00:00Z on 2005-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1203 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KTOP 130343
FFWTOP
KSC111-139-130945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1038 PM CDT THU MAY 12 2005

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN LYON COUNTY IN EAST CENTRAL KANSAS
  OSAGE COUNTY IN EAST CENTRAL KANSAS

* UNTIL 445 AM CDT

* AT 1038 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED THUNDERSTORMS CONTINUING TO DEVELOP ACROSS NORTHERN
  LYON AND MUCH OF OSAGE COUNTY. ADDITIONAL HEAVY RAINFALL FROM THESE
  THUNDERSTORMS WILL FALL IN AREAS THAT ALREADY RECEIVED HEAVY RAIN
  EARLIER IN THE EVENING. THIS WILL LIKELY PRODUCE FLASH FLOODING IN 
  MUCH OF THE AREA THROUGH THE EARLY MORNING HOURS. 

* LOCATIONS IMPACTED INCLUDE...
  LYNDON...
  AMERICUS...
  MELVERN...
  READING...
  ADMIRE...
  OSAGE CITY...
  BUSHONG...
  BURLINGAME...
  OVERBROOK...
  POMONA LAKE...
  MELVERN LAKE...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST INFORMATION CONCERNING THE SEVERE WEATHER.

LAT...LON 3848 9634 3873 9634 3873 9594 3882 9593
      3884 9590 3885 9551 3846 9553

$$
1 follow-up statement
000 
WGUS73 KTOP 130621
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
115 AM CDT FRI MAY 13 2005

KSC111-139-130945-
OSAGE-LYON-
115 AM CDT FRI MAY 13 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 445 AM CDT FOR NORTHERN LYON
AND OSAGE COUNTIES...

AT 114 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN OVER OSAGE 
AND PORTIONS OF NORTHERN LYON COUNTY. RADAR ESTIMATES INDICATE THAT 
2 TO 5 INCHES OF RAIN HAS FALLEN ACROSS MUCH OF THE AREA TO THE 
NORTH AND WEST OF INTERSTATE 35. ADDITIONAL RAINFALL WILL PROLONG 
THE THREAT FOR FLOODING ACROSS THIS AREA THROUGH 4 AM.       

LOCATIONS IMPACTED INCLUDE...
LYNDON...AMERICUS...MELVERN...READING...QUENEMO...ADMIRE...OSAGE 
CITY...BUSHONG...ALLEN...BURLINGAME...POMONA LAKE AND MELVERN LAKE.

RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY ROADS AND FARMLANDS
ALONG THE BANKS OF CREEKS AND STREAMS AND LOW LYING AREAS ARE SUBJECT
TO FLASH FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER.

LAT...LON 3848 9634 3873 9634 3873 9594 3882 9593
      3884 9590 3885 9551 3846 9553

$$

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 7:04 PM CDTFlash Flood WarningTOPDickinson3 hr
May 12, 9:37 PM CDTFlash Flood WarningTOPJefferson3 hr
May 12, 9:44 PM CDTFlash Flood WarningTOPDouglas, Shawnee3 hr
May 12, 10:00 PM CDTFlash Flood WarningTOPWabaunsee3 hr
May 12, 10:52 PM CDTFlash Flood WarningTOPDouglas, Franklin6 hr
May 13, 2:33 AM CDTFlash Flood WarningTOPLyon3 hr

Nearby

Flash Flood Warnings in Kansas, 2005Every flash flood warning in 2005

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.