Alert archive / Kansas / Flash Flood Warnings in 2005

Flash Flood Warning 7, NWS Kansas City, MO

May 12, 2005Atchison County, Doniphan County, Kansas

NWS Kansas City, MO issued this flash flood warning at May 12, 2005, 6:42 PM CDT for Atchison County, Doniphan 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, 6:42 PM CDT (23:42 UTC)
Expired
May 13, 2005, 12:45 AM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Atchison County, KS, Doniphan County, KS

The radar

The Topeka radar (KTWX), 121 km from the middle of the area, began a volume at 23:43 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

Topeka, KS (KTOP), launched 12:00Z, 11.7 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2005-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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, Topeka, KS at 12:00Z on 2005-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 418 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
47 J/kg
Mixed-layer CIN
-239 J/kg
Mixed-layer LCL
1153 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
418 m²/s²
0-3 km storm-relative helicity
395 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.

000 
WGUS53 KEAX 122344
FFWEAX
KSC005-043-130545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
642 PM CDT THU MAY 12 2005

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DONIPHAN COUNTY IN NORTHEAST KANSAS
  ATCHISON COUNTY IN NORTHEAST KANSAS

* UNTIL 1245 AM CDT

* AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
  INCLUDE...ATCHISON...CUMMINGS...DENTON...DONIPHAN...FANNING...
  HIGHLAND...LANCASTER KS...PURCELL...SEVERANCE...SPARKS AND TROY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY 
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN 
PLEASANT HILL.

LAT...LON 3987 9496 3943 9518 3943 9543 3990 9529

$$

NRR
2 follow-up statements
000 
WGUS73 KEAX 130042
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
738 PM CDT THU MAY 12 2005

KSC005-043-130545-
DONIPHAN KS-ATCHISON KS-
738 PM CDT THU MAY 12 2005

...FLASH FLOOD WARNING CONTINUES FOR DONIPHAN AND EASTERN ATCHISON
COUNTIES UNTIL 1245 AM CDT...

AT 733 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS IN DONIPHAN COUNTY 
REPORTED THAT WATER COVERED THE ROAD AT K20 AND ROUTE 120...AND U36 
AND ROUTE 120. ATCHISON COUNTY OFFICIALS REPORTED PONDING OF WATER 
ON NUMEROUS STREETS IN ATCHISON AND WALNUT CREEK WAS BANK FULL ALONG 
CHARITON ROAD.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY.

LAT...LON 3987 9496 3943 9518 3943 9543 3990 9529

$$

NRR
000 
WGUS73 KEAX 130149
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
849 PM CDT THU MAY 12 2005

KSC005-043-130159-
DONIPHAN KS-ATCHISON KS-
849 PM CDT THU MAY 12 2005

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR DONIPHAN AND 
ATCHISON COUNTIES HAS BEEN CANCELLED...

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

LAT...LON 3987 9496 3943 9518 3943 9543 3990 9529

$$

NRR

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 6:15 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan46 min
May 12, 6:40 PM CDTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte35 min

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.