Alert archive / Missouri / Flash Flood Warnings in 1990

Flash Flood Warning 30, NWS Kansas City, MO

June 7, 1990Montgomery County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 7, 1990, 2:53 AM CDT for Montgomery County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 7, 1990, 2:53 AM CDT (07:53 UTC)
Expired
Jun 7, 1990, 7:00 AM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Montgomery County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 7.9 hours before the alert went out and 305 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, Springfield, MO at 00:00Z on 1990-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2413 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, Springfield, MO at 00:00Z on 1990-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
2413 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1365 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.4
Supercell composite
7.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 070753
FFWCOU
MOC139-071200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE COLUMBIA MO
253 AM CDT THU JUN 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 700 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE EAST CENTRAL PART OF MISSOURI
      MONTGOMERY

THUNDERSTORMS WITH VERY HEAVY RAIN HAVE MOVED THROUGH MONTGOMERY
COUNTY IN SUCCESSION OVERNIGHT AND MORE STORMS WILL PASS OVER THE
AREA BEFORE DAYBREAK.  MANY STREAMS WILL BE OUT OF THEIR BANKS AND
MANY ROADS WILL BE IMPASSABLE THROUGH THE REMAINDER OF THE NIGHT.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
VEHICLES8 CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.

 GOEBEL

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, Jun 7, 2:16 AM CDT, 37 minutes before
MOZ008-070800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
210 AM CDT THU JUN 7 1990

...FLASH FLOOD WATCH FOR THE KANSAS CITY METRO AREA FOR TONIGHT...

THE SEVERE THUNDERSTROM WATCH...NUMBER 404...IS NO LONGER IN EFFECT
FOR THE KANSAS CITY METRO AREA.

HOWEVER...STRONG THUNDERSTORMS WERE OCCURRING IN ANOTHER WATCH AREA
IN WEST KANSAS.  QUITE POSSIBLY...THESE STORMS WILL PERSIST THROUGH
THE NIGHT ARRIhVING IN THE LOCAL AREA EARLY THURSDAY MORNING.  THE
THUNDERSTORM WATCH MAY BE REISSUED.

STAY TUNED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 6:25 AM CDTSevere Thunderstorm WarningEAXAndrew50 min
Jun 7, 9:00 AM CDTFlash Flood WarningEAXMontgomery3 hr
Jun 7, 9:54 AM CDTFlash Flood WarningEAXMacon4 hr
Jun 7, 9:54 AM CDTFlash Flood WarningEAXAudrain4 hr
Jun 7, 12:00 PM CDTTornado WarningEAXPettis20 min
Jun 7, 1:41 PM CDTSevere Thunderstorm WarningEAXBoone, Cole, Moniteau64 min
Jun 7, 2:35 PM CDTSevere Thunderstorm WarningEAXCole, Miller, Osage55 min
Jun 7, 2:35 PM CDTSevere Thunderstorm WarningEAXMaries55 min
Jun 7, 3:25 PM CDTSevere Thunderstorm WarningEAXChariton, Randolph20 min
Jun 7, 6:49 PM CDTSevere Thunderstorm WarningEAXAudrain, Boone41 min

Nearby

Flash Flood Warnings in Missouri, 1990Every flash flood warning in 1990

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.