Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 155, NWS Kansas City, MO

September 21, 19934 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Sep 21, 1993, 10:25 PM CDT for 4 counties in Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Sep 21, 1993, 10:25 PM CDT (03:25 UTC)
Expired: Sep 22, 1993, 2:30 AM CDT
In force: 4 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Andrew County, MO, DeKalb County, MO, Gentry County, MO, Nodaway County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.4 hours before the alert went out and 151 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1569 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 506 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 30.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 220325
FFWMCI
MOC003-063-075-147-220730-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1025 PM CDT TUE SEP 21 1993
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST MISSOURI
 
   ...ANDREW COUNTY...DEKALB COUNTY...GENTRY COUNTY
   ...NODAWAY COUNTY
 
AT 1020 PM CDT...SEVERE THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL HAVE
REPEATEDLY MOVED OVER NODAWAY...ANDREW...DEKALB AND GENTRY COUNTIES.
DOPPLER RADAR ESTIMATES THAT THE STORMS HAVE ALREADY PRODUCED BETWEEN 2
AND 4 INCHES OF RAIN.
 
THUNDERSTORMS WILL CONTINUE TO MOVE OVER THE WARNED AREA INTO THE NIGHT
PRODUCING 1 TO 2 INCHES OF RAIN AN HOUR MAKING FLASH FLOODING IMMINENT.
 
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED.Z..ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
RUNNELS

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

Local storm report, Sep 21, 8:48 PM CDT, 1 hour 37 minutes before

STORM REPORT...CORRECTION TO ISSUING OFFICE
NATIONAL WEATHER SERVICE KANSAS CITY, MO
748 PM CST TUE SEP 21 1993

...STORM REPORTS FROM THE AFTERNOON AND EVENING OF SEPT 21...

  TIME       COUNTY                EVENT

418 PM CDT  LEAVENWORTH/KS   GOLFBALL SIZE HAIL 5 MILES SOUTHWEST OF
                             RENO.

433 PM CDT  LEAVENWORTH/KS   TENNIS BALL SIZE HAIL AND 70 MPH WIND 5
                             MILES SOUTHWEST OF RENO.

454 PM CDT  JOHNSON/KS       BASEBALL SIZE HAIL 3 MILES WEST OF OLATH
E.

512 PM CDT  JOHNSON/KS       BASEBALL SIZE HAIL AT EDGERTON.

512 PM CDT  JOHNSON/KS       HALF DOLLAR SIZE HAIL AT OLATHE.
  TIME       COUNTY                EVENT

522 PM CDT  JOHNSON/KS       GOLFBALL SIZE HAIL AND 65 MPH WIND AT
                             SPRING HILL.

522 PM CDT  MIAMI/KS         LARGE TREE LIMBS DOWN AT GARDNER.

532 PM CDT  JOHNSON/KS       GOLFBALL SIZE HAIL AT SPRING HILL.

536 PM CDT  MIAMI/KS         GOLFBALL SIZE HAIL AT HILLSDALE.

655 PM CDT  ATCHINSON/MO     QUARTER SIZE HAIL AT ROCKPORT.

716 PM CDT  ATCHINSON/MO     QUARTER SIZE HAIL AT TARKIO

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 21, 7:04 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	56 min
Sep 21, 7:41 PM CDT	Severe Thunderstorm Warning	EAX	Holt, Nodaway	49 min
Sep 21, 8:04 PM CDT	Tornado Warning	EAX	Andrew	41 min
Sep 21, 8:22 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	53 min
Sep 21, 8:40 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	50 min
Sep 21, 8:49 PM CDT	Severe Thunderstorm Warning	EAX	DeKalb	41 min
Sep 21, 8:49 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	28 min
Sep 21, 8:58 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	47 min
Sep 21, 9:35 PM CDT	Severe Thunderstorm Warning	EAX	Holt, Nodaway	40 min
Sep 21, 10:02 PM CDT	Severe Thunderstorm Warning	EAX	Gentry	43 min
Sep 21, 10:10 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	50 min
Sep 21, 10:10 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	50 min
Sep 21, 10:37 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb	38 min
Sep 21, 10:49 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb	41 min
Sep 21, 11:05 PM CDT	Flash Flood Warning	EAX	Atchison, Holt	3 hr
Sep 21, 11:05 PM CDT	Flash Flood Warning	EAX	Daviess	3 hr
Sep 21, 11:26 PM CDT	Severe Thunderstorm Warning	EAX	Clinton	49 min
Sep 22, 12:00 AM CDT	Severe Thunderstorm Warning	EAX	DeKalb	30 min
Sep 22, 12:20 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clinton	40 min
Sep 22, 12:52 AM CDT	Flash Flood Warning	EAX	Caldwell	2 hr
Sep 22, 1:07 AM CDT	Tornado Warning	EAX	Caldwell, Carroll, Ray	38 min
Sep 22, 4:20 AM CDT	Severe Thunderstorm Warning	EAX	Audrain	40 min
Sep 22, 4:35 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	40 min
Sep 22, 4:56 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	49 min
Sep 22, 5:10 PM CDT	Severe Thunderstorm Warning	EAX	Audrain, Boone	50 min
Sep 22, 5:37 PM CDT	Severe Thunderstorm Warning	EAX	Jackson, Lafayette	53 min
Sep 22, 5:59 PM CDT	Severe Thunderstorm Warning	EAX	Audrain, Boone, Callaway	61 min
Sep 22, 5:59 PM CDT	Severe Thunderstorm Warning	EAX	Montgomery	61 min
Sep 22, 6:00 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	45 min
Sep 22, 6:11 PM CDT	Severe Thunderstorm Warning	EAX	Cass	49 min
Sep 22, 6:16 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	44 min
Sep 22, 6:23 PM CDT	Severe Thunderstorm Warning	EAX	Boone, Cooper, Moniteau	52 min

Nearby

Flash Flood Warnings in Missouri, 1993 Every flash flood warning in 1993

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.