Alert archive / Kansas / Flash Flood Warnings in 2002

Flash Flood Warning 4, NWS Topeka, KS

May 5, 20029 counties in Kansas

NWS Topeka, KS issued this flash flood warning at May 5, 2002, 9:47 PM CDT for 9 counties in Kansas. It was in force for 58 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 5, 2002, 9:47 PM CDT (02:47 UTC)
Expired
May 5, 2002, 10:45 PM CDT
In force
58 min
Issued by
NWS Topeka, KS
Area
Whole counties

Counties Brown County, KS, Clay County, KS, Dickinson County, KS, Geary County, KS, Jackson County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Riley County, KS

The radar

The Topeka radar (KTWX), 48 km from the middle of the area, began a volume at 02:49 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, 2.8 hours before the alert went out and 89 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 2002-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1298 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2002-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939587897117Sfc1 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
1298 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1520 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KTOP 060122
FFWTOP
KSC011-012-024-027-034-041-061-127-161-060345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED TO ADD COUNTIES
NATIONAL WEATHER SERVICE TOPEKA KS
814 PM CDT SUN MAY 5 2002

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWEST BROWN
  OTTAWA
  NORTHEASTERN DICKINSON COUNTY IN CENTRAL KANSAS
  GEARY COUNTY IN EAST CENTRAL KANSAS
  JACKSON
  NORTHWESTERN MORRIS COUNTY IN EAST CENTRAL KANSAS   
  SOUTHERN NEMAHA
  EXTREME SOUTHEASTERN CLAY COUNTY IN NORTH CENTRAL KANSAS
  SOUTH CENTRAL RILEY COUNTY IN NORTHEAST KANSAS

* UNTIL 1045 PM CDT

* AT 812 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVEY RAINS OF 1 TO 3 INCHES HAVE FALLEN IN THE WARNING AREA THIS 
EVENING.  MORE RAIN IS EXPECTED AS THE THUNDERSTORMS CONTINUE OVER 
THE AREA THROUGH 10 PM.

* SOME LOCATIONS AFFECTED...
  OGDEN
  CHAPMAN
  DWIGHT
  WHITE CITY
  HOLTON
  MINNEAPOLIS

RUNOFF FROM THIS STORM 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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS 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.

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 5, 7:15 PM CDTTornado WarningTOPOttawa60 min
May 5, 7:25 PM CDTSevere Thunderstorm WarningTOP35 min
May 5, 7:28 PM CDTSevere Thunderstorm WarningTOP47 min
May 5, 8:14 PM CDTFlash Flood WarningTOPBrown, Clay, Dickinson, Geary, Jackson, Nemaha and 3 more3 hr
May 5, 8:16 PM CDTFlash Flood WarningTOPClay, Dickinson, Geary, Morris, Riley2 hr
May 5, 8:22 PM CDTFlash Flood WarningTOPBourbon, Clay, Dickinson, Geary, Morris, Riley2 hr
May 5, 8:22 PM CDTSevere Thunderstorm WarningTOP53 min
May 5, 8:26 PM CDTSevere Thunderstorm WarningTOP49 min
May 5, 8:36 PM CDTFlash Flood WarningTOPBourbon, Cherokee, Cheyenne, Cowley2 hr
May 5, 8:51 PM CDTSevere Thunderstorm WarningTOP44 min
May 5, 8:54 PM CDTSevere Thunderstorm WarningTOP41 min
May 5, 8:58 PM CDTSevere Thunderstorm WarningTOP52 min
May 5, 9:41 PM CDTSevere Thunderstorm WarningTOP49 min
May 5, 10:26 PM CDTSevere Thunderstorm WarningTOP49 min
May 5, 10:41 PM CDTSevere Thunderstorm WarningTOP44 min
May 5, 10:50 PM CDTSevere Thunderstorm WarningTOP55 min
May 5, 11:03 PM CDTTornado WarningTOPWashington27 min
May 6, 5:29 PM CDTSevere Thunderstorm WarningTOP46 min
May 6, 6:24 PM CDTSevere Thunderstorm WarningTOP51 min

Nearby

Flash Flood Warnings in Kansas, 2002Every flash flood warning in 2002

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.