Alert archive / Kansas / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Topeka, KS

May 11, 2000Shawnee County, Wabaunsee County, Kansas

NWS Topeka, KS issued this flash flood warning at May 11, 2000, 9:58 PM CDT for Shawnee County, Wabaunsee County, Kansas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 11, 2000, 9:58 PM CDT (02:58 UTC)
Expired
May 11, 2000, 11:00 PM CDT
In force
62 min
Issued by
NWS Topeka, KS
Area
Whole counties

Counties Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 22 km from the middle of the area, began a volume at 02:58 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 00:00Z, 3.0 hours before the alert went out and 29 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 00:00Z on 2000-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4491 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 00:00Z on 2000-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
4491 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1450 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
3.3
Supercell composite
30.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KTOP 120300
FFWTOP
KSC177-197-120355-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
958 PM CDT THU MAY 11 2000

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS
  NORTHERN WABAUNSEE COUNTY IN EAST CENTRAL KANSAS

* UNTIL 1100 PM CDT

* AT 955 PM CDT WEATHER SERVICE RADAR INDICATED THAT A BAND OF MORE 
THAN 5 INCHES OF RAIN HAD FALLEN FROM ABOUT 15 MILES SOUTHEAST OF 
MANHATTAN...THROUGH ROSSVILLE AND THROUGH THE REST OF FAR NORTHERN 
SHAWNEE COUNTY.  MORE HEAVY RAIN MAY OCCUR IN THIS AREA TONIGHT.

* SOME LOCATIONS AFFECTED INCLUDE...
  ROSSVILLE
  SILVER LAKE
  WILLARD
  MAPLE HILL
  PAXICO
  MCFARLAND
  FAR NORTHERN SECTIONS OF TOPEKA

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE 
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON 
FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 7:04 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Shawnee, Wabaunsee31 min
May 11, 7:35 PM CDTSevere Thunderstorm WarningTOPShawnee40 min
May 11, 8:15 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Shawnee, Wabaunsee40 min
May 11, 8:47 PM CDTTornado WarningTOPJefferson, Shawnee38 min
May 11, 9:24 PM CDTTornado WarningTOPDouglas, Jefferson31 min
May 11, 9:38 PM CDTSevere Thunderstorm WarningTOPShawnee32 min
May 11, 10:08 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie42 min
May 11, 10:48 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie47 min
May 12, 1:02 AM CDTSevere Thunderstorm WarningTOPBrown18 min

Nearby

Flash Flood Warnings in Kansas, 2000Every flash flood warning in 2000

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.