Alert archive / Missouri / Flash Flood Warnings in 1992

Flash Flood Warning 1, NWS Kansas City, MO

April 20, 1992Jackson County, Missouri

NWS Kansas City, MO issued this flash flood warning at Apr 20, 1992, 3:19 PM CDT for Jackson County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 20, 1992, 3:19 PM CDT (20:19 UTC)
Expired
Apr 20, 1992, 7:15 PM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Jackson County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.3 hours before the alert went out and 112 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 1992-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1992-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
145 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 
TTAA00 KMCI 202022 RRA
FFWMCI
MOC095-210015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING...LITTLE BLUE RIVER...JACKSON CO MO
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
319 PM CDT MON APR 20 1992
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
 
FLOOD WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST MISSOURI
 
   ...NORTHEASTERN JACKSON COUNTY
 
THE PROLONGED RAINS THAT HAVE FALLEN OVER NORTHEASTERN JACKSON COUNTY
HAVE CAUSED THE LITTLE BLUE RIVER AT LAKE CITY TO GO ABOVE FLOOD STAGE.
THE STAGE AT LAKE CITY WAS 13.9 FT AT 3PM...FLOOD STAGE IS 8.5 FT. THE
INTENSITY OF THE RAINFALL HAS DECREASED DURING THE PAST SEVERAL
HOURS...AND THE STAGE AT LAKE CITY IS EXPECTED TO ONLY RISE ANOTHER
HALF-FOOT OR SO BEFORE CRESTING LATER THIS EVENING.
 
RM

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, Apr 20, 2:43 PM CDT, 36 minutes before
MOZ001-004-008-009-013-202045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
235 PM CDT MON APR 20 1992

...SPRING SNOWS IN THE KANSAS CITY AREA...

SNOWS WERE STARTING TO GET A LITTLE HEAVY AT THE KANSAS CITY
INTERNATIONAL AIRPORT AT 230 PM WITH A THIN COATING ON THE
GRASSY AREAS.  THE SNOW WAS FALLING IN LARGE CLUMPS AND WAS
RESTRICTING THE VISIBILITY TO TO ABOUT 1/4 MILE.  WINDS WERE
ALSO WHIPPING THE SNOWS ACROSS THE AREA...GUSTING TO AROUND 30
MPH.  ALTHOUGH SOME TRACES OF SNOW WILL CONTINUE TO ACCUMULATE
ON THE GRASS...SIGNIFICANT TOTALS ARE NOT EXPECTED AND THE
SNOW THAT DOES STICK WILL MELT QUICKLY.

PERSONS DRIVING ON THE ROADWAYS ACROSS THE KANSAS CITY AREA AND
NORTHWEST MISSOURI SHOULD BE AWARE OF THE POTENTIALLY DANGEROUS
DRIVING CONDITIONS.  ROADS WILL BE SLICK...BRIDGES AND OVERPASSES
MAY HAVE A THIN COATING OF ICE AND SNOW.  TAKE EXTRA CARE TO
REACH YOUR DESTINATIONS SAFELY.

HIBBERT

Nearby

Flash Flood Warnings in Missouri, 1992Every flash flood warning in 1992

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.