Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 21, NWS Kansas City, MO

June 30, 1993Holt County, Nodaway County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 30, 1993, 7:46 PM CDT for Holt County, Nodaway County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 1993, 7:46 PM CDT (00:46 UTC)
Expired: Jun 30, 1993, 11:45 PM CDT
In force: 4 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Holt County, MO, Nodaway County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.8 hours before the alert went out and 146 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: 3169 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 128 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 010052
FFWMCI
MOC087-147-010445-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
746 PM CDT WED JUN 30 1993
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST MISSOURI
 
   ...HOLT COUNTY...NODAWAY COUNTY
 
AT 740 PM...RADAR INDICATED UP TO 3 INCHES OF RAIN HAD FALLEN IN THE
LAST TWO HOURS. SMALL STREAMS AND CREEKS WERE RISING RAPIDLY AS THE
STORMS CONTINUE TO TRAVEL ACROSS RAIN SWOLLEN AREAS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD 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.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
BK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:00 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	60 min
Jun 30, 7:21 PM CDT	Tornado Warning	EAX	Nodaway	39 min
Jun 30, 7:27 PM CDT	Tornado Warning	EAX	Harrison	33 min
Jun 30, 8:06 PM CDT	Tornado Warning	EAX	Sullivan	39 min
Jun 30, 8:13 PM CDT	Tornado Warning	EAX	Harrison	32 min
Jun 30, 8:20 PM CDT	Severe Thunderstorm Warning	EAX	Linn	40 min
Jun 30, 8:35 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	55 min
Jun 30, 8:53 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton	67 min
Jun 30, 9:10 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clinton, Platte	45 min
Jun 30, 9:10 PM CDT	Severe Thunderstorm Warning	EAX	DeKalb	45 min
Jun 30, 9:13 PM CDT	Severe Thunderstorm Warning	EAX	Livingston	47 min
Jun 30, 9:35 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Ray	55 min
Jun 30, 9:35 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell	55 min
Jun 30, 10:35 PM CDT	Flash Flood Warning	EAX	Chariton, Macon, Randolph	115 min
Jun 30, 10:35 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Macon, Randolph	115 min
Jun 30, 11:29 PM CDT	Severe Thunderstorm Warning	EAX	Boone, Cooper, Moniteau	61 min
Jul 1, 12:04 AM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	41 min
Jul 1, 12:45 AM CDT	Flash Flood Warning	EAX	Audrain, Boone, Callaway, Randolph	2 hr
Jul 1, 12:45 AM CDT	Flash Flood Warning	EAX	Macon	2 hr

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.