Alert archive / Missouri / Flash Flood Warnings in 1991

Flash Flood Warning 4, NWS Kansas City, MO

July 10, 19914 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 10, 1991, 10:10 PM CDT for 4 counties in Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 10, 1991, 10:10 PM CDT (03:10 UTC)
Expired
Jul 11, 1991, 1:15 AM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Grundy County, MO, Harrison County, MO, Mercer County, MO, Sullivan County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.2 hours before the alert went out and 228 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 1991-07-11Temperature 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 00:00Z on 1991-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939Sfc1 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
NaN m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jul 10, 6:36 PM CDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
633 PM CDT WED JUL 10 1991

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST MISSOURI
AND NORTHEAST KANSAS UNTIL 1100 PM...
...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR THE NORTHERN ONE-HALF
OF MISSOURI...

AT 626 PM...SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM CENTRAL
KANSAS TO NORTHCENTRAL MISSOURI...AND A FEW THUNDERSTORMS WERE
PRODUCING BRIEF VERY HEAVY RAIN OVER NORTHEAST KANSAS WITH ONE
STRONG STORM TO THE EAST OF KANSAS CITY DUMPING VERY HEAVY RAIN.
IN KANSAS...STRONGEST STORMS WERE SCATTERED IN A 10 MILE WIDE AREA...
FROM 10 MILES WEST OF TOPEKA KANSAS TO 40 MILES NORTH OF WICHITA AND
IN MISSOURI THE STRONGEST STORM WAS ABOUT 15 MILES EAST OF KANSAS
CITY.

SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 25 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 10:10 PM CDTFlash Flood WarningEAXGentry, Nodaway, Worth3 hr
Jul 10, 10:36 PM CDTFlash Flood WarningEAXLinn, Macon3 hr
Jul 11, 1:54 AM CDTFlash Flood WarningEAXMacon2 hr
Jul 11, 2:23 AM CDTFlash Flood WarningEAXAudrain3 hr
Jul 11, 3:45 AM CDTFlash Flood WarningEAXLinn3 hr
Jul 11, 3:45 AM CDTFlash Flood WarningEAXMacon, Randolph3 hr
Jul 11, 5:34 AM CDTFlash Flood WarningEAXAudrain116 min
Jul 11, 6:37 AM CDTFlash Flood WarningEAXMacon68 min
Jul 11, 6:37 AM CDTFlash Flood WarningEAXLinn3 hr
Jul 11, 6:37 AM CDTFlash Flood WarningEAXRandolph3 hr
Jul 11, 5:57 PM CDTSevere Thunderstorm WarningEAXCarroll, Livingston18 min
Jul 11, 6:34 PM CDTSevere Thunderstorm WarningEAXChariton, Randolph41 min

Nearby

Flash Flood Warnings in Missouri, 1991Every flash flood warning in 1991

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.