Alert archive / Kansas / Flash Flood Warnings in 1994

Flash Flood Warning 6, NWS Topeka, KS

August 7, 1994Ottawa County, Kansas

NWS Topeka, KS issued this flash flood warning at Aug 7, 1994, 1:07 AM CDT for Ottawa County, Kansas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 7, 1994, 1:07 AM CDT (06:07 UTC)
Expired
Aug 7, 1994, 3:15 AM CDT
In force
2 hr
Issued by
NWS Topeka, KS
Area
Whole counties

County Ottawa County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.1 hours before the alert went out and 174 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 1994-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 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 1994-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
322 J/kg
Mixed-layer CIN
-216 J/kg
Mixed-layer LCL
1554 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCNK 070608
FFWCNK
KSC143-070815-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CONCORDIA KS
107 AM CDT SUN AUG 7 1994
 
THE NATIONAL WEATHER SERVICE IN CONCORDIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  315 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL KANSAS
 
   ...EASTERN OTTAWA COUNTY
 
AS OF 100 AM RADAR ESTIMATES IN EXCESS OF 3 INCHES WERE NOTED OVER
EASTERN PORTIONS OF OTTAWA COUNTY AS A RESULT OF THE SEVERE
THUNDERSTORMS. THIS ESTIMATED AMOUNT OF RAIN HAS FALLEN WITHIN ONE AND
ONE HALF HOURS...LIKELY CAUSING FLASH FLOODING IN EASTERN OTTAWA COUNTY.
 
MOST FLOODING DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES... DIPS... OR LOW SPOTS IF WATER COVERS THE
ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.
 
BAKER

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 6, 11:02 PM CDT, 2 hours 5 minutes before
KSZ006>009-018>021-034-035-070500-

SPECIAL WEATHER STATEMENT               ...CORRECTION TO TIME...
NATIONAL WEATHER SERVICE CONCORDIA KS
1102 PM CDT SAT AUG 6 1994

...THUNDERSTORMS CONTINUE OVER CLAY COUNTY...

AT 1100 PM...RADAR INDICATED A 15 MILE WIDE AREA OF THUNDERSTORMS
OVER NORTHERN CLAY COUNTY. ONE AREA OF THUNDERSTORMS WAS LOCATED OVER
EXTREME NORTHEAST CLAY COUNTY...8 MILES NORTH-NORTHEAST OF GREEN.
SMALL HAIL AND BREIF PERIODS OF VERY HEAVY RAIN CAN BE EXPECTED WITH
THIS THUNDERTORM BEFORE IT EXITS THE COUNTY BY 1115 PM.

ANOTHER THUNDERSTORM WAS LOCATED OVER WEST CENTRAL CLAY COUNTY...7 MILES
WEST OF CLAY CENTER. BRIEF HEAVY RAINS AND SMALL HAIL CAN ALSO BE EXPECTED
WITH THIS STORM AS IT PASSES TO THE WEST OF CLAY CENTER BY 1110 PM.

IF YOU SEE THREATENING WEATHER APPROACH...TAKER SHELTER INSIDE AWAY
FROM WINDOWS. LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
.

BAKER
Special weather statement, Aug 6, 11:03 PM CDT, 2 hours 4 minutes before
KSZ006>009-018>021-034-035-070500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
1102 PM CDT SAT AUG 6 1994

...THUNDERSTORMS CONTINUE OVER CLAY COUNTY...

AT 1000 PM...RADAR INDICATED A 15 MILE WIDE AREA OF THUNDERSTORMS
OVER NORTHERN CLAY COUNTY. ONE AREA OF THUNDERSTORMS WAS LOCATED OVER
EXTREME NORTHEAST CLAY COUNTY...8 MILES NORTH-NORTHEAST OF GREEN.
SMALL HAIL AND BREIF PERIODS OF VERY HEAVY RAIN CAN BE EXPECTED WITH
THIS THUNDERTORM BEFORE IT EXITS THE COUNTY BY 1115 PM.

ANOTHER THUNDERSTORM WAS LOCATED OVER WEST CENTRAL CLAY COUNTY...7 MILES
WEST OF CLAY CENTER. BRIEF HEAVY RAINS AND SMALL HAIL CAN ALSO BE EXPECTED
WITH THIS STORM AS IT PASSES TO THE WEST OF CLAY CENTER BY 1110 PM.

IF YOU SEE THREATENING WEATHER APPROACH...TAKER SHELTER INSIDE AWAY
FROM WINDOWS. LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
.
BAKER
Special weather statement, Aug 6, 11:04 PM CDT, 2 hours 3 minutes before
KSZ006>009-018>021-034-035-070500-

SPECIAL WEATHER STATEMENT               ...CORRECTION TO TIME...
NATIONAL WEATHER SERVICE CONCORDIA KS
1102 PM CDT SAT AUG 6 1994

...THUNDERSTORMS CONTINUE OVER CLAY COUNTY...

AT 1100 PM...RADAR INDICATED A 15 MILE WIDE AREA OF THUNDERSTORMS
OVER NORTHERN CLAY COUNTY. ONE AREA OF THUNDERSTORMS WAS LOCATED OVER
EXTREME NORTHEAST CLAY COUNTY...8 MILES NORTH-NORTHEAST OF GREEN.
SMALL HAIL AND BREIF PERIODS OF VERY HEAVY RAIN CAN BE EXPECTED WITH
THIS THUNDERTORM BEFORE IT EXITS THE COUNTY BY 1115 PM.

ANOTHER THUNDERSTORM WAS LOCATED OVER WEST CENTRAL CLAY COUNTY...7 MILES
WEST OF CLAY CENTER. BRIEF HEAVY RAINS AND SMALL HAIL CAN ALSO BE EXPECTED
WITH THIS STORM AS IT PASSES TO THE WEST OF CLAY CENTER BY 1110 PM.

IF YOU SEE THREATENING WEATHER APPROACH...TAKER SHELTER INSIDE AWAY
FROM WINDOWS. LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
.

BAKER
Special weather statement, Aug 6, 11:16 PM CDT, 1 hour 51 minutes before
KSZ010>012-022>026-036>040-054>056-058-059-070520-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1116 PM CDT SAT AUG 6 1994

...STRONG THUNDERSTORM MOVING INTO NORTHERN RILEY COUNTY...

AT 1110 PM DOPPLER RADAR SHOWED A STRONG THUNDERSTORM 25 MILES
NORTHWEST OF MANHATTAN...OR JUST WEST RANDOLPH.

THIS STORM WAS MOVING SOUTHEAST AT 20 MILES AN HOUR AND WILL HAVE
AFFECTED THE TOWNS OF RANDOLPH AND LEONARDVILLE AS WELL AS TUTTLE CREEK
RESERVOIR BY AROUND MIDNIGHT.

PERSONS IN NORTHERN RILEY AND WESTERN POTTAWATOMIE COUNTY SHOULD
PREPARE FOR FREQUENT LIGHTNING...PEA TO MARBLE SIZE HAIL AND BRIEF HEAVY
RAIN AS THIS STORM MOVES THROUGH.

PHILLIPS
Special weather statement, Aug 6, 11:17 PM CDT, 1 hour 50 minutes before
KSZ010>012-022>026-036>040-054>056-058-059-070520-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1116 PM CDT SAT AUG 6 1994

...STRONG THUNDERSTORM MOVING INTO NORTHERN RILEY COUNTY...

AT 1110 PM DOPPLER RADAR SHOWED A STRONG THUNDERSTORM 25 MILES
NORTHWEST OF MANHATTAN...OR JUST WEST RANDOLPH.

THIS STORM WAS MOVING SOUTHEAST AT 20 MILES AN HOUR AND WILL HAVE
AFFECTED THE TOWNS OF RANDOLPH AND LEONARDVILLE AS WELL AS TUTTLE CREEK
RESERVOIR BY AROUND MIDNIGHT.

PERSONS IN NORTHERN RILEY AND WESTERN POTTAWATOMIE COUNTY SHOULD
PREPARE FOR FREQUENT LIGHTNING...PEA TO MARBLE SIZE HAIL AND BRIEF HEAVY
RAIN AS THIS STORM MOVES THROUGH.

PHILLIPS
Special weather statement, Aug 6, 11:43 PM CDT, 1 hour 24 minutes before
KSZ006>009-018>021-034-035-070545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
1143 PM CDT SAT AUG 6 1994

...THUNDERSTORMS CONTINUE OVER PORTIONS OF NORTH CENTRAL KANSAS...

AT 1141 PM...RADAR INDICATED A 20 MILE WIDE AREA OF THUNDERSTORMS
CENTERED 25 MILES SOUTHEAST OF CONCORDIA. THIS AREA OF THUNDERSTORMS
COVERED EXTREME SOUTHEASTERN CLOUD COUNTY...NORTHEASTERN OTTAWA COUNTY...
AND WEST CENTRAL CLAY COUNTY. MOVEMENT WAS TO THE SOUTHEAST AT 10 TO
15 MPH. PERSONS IN THE OAKHILL AND LONGFORD AREAS CAN EXPECT THESE
THUNDERSTORMS IN THEIR AREA BY 1150 PM. WINDS OVER 35 MPH...BRIEF
PERIODS OF VERY HEAVY RAIN AND SMALL HAIL WILL ACCOMPANY THESE
STORMS.

IF YOU SEE THREATENING WEATHER APPROACH...TAKER SHELTER INSIDE AWAY
FROM WINDOWS. LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

BAKER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 12:14 AM CDTSevere Thunderstorm WarningTOPCoffey46 min
Aug 7, 12:19 AM CDTSevere Thunderstorm WarningTOPOttawa26 min
Aug 7, 12:45 AM CDTSevere Thunderstorm WarningTOPOttawa45 min
Aug 7, 3:07 AM CDTFlash Flood WarningTOPOttawa2 hr
Aug 7, 3:07 AM CDTFlash Flood WarningTOPOttawa68 min

Nearby

Flash Flood Warnings in Kansas, 1994Every flash flood warning in 1994

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.