Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 8, NWS Kansas City, MO

April 10, 1994Boone County, Cole County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 10, 1994, 6:22 PM CDT for Boone County, Cole County, Missouri. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1994, 6:22 PM CDT (23:22 UTC)
Expired
Apr 10, 1994, 7:15 PM CDT
In force
53 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Boone County, MO, Cole County, MO

The radar

The St Louis radar (KLSX), 140 km from the middle of the area, began a volume at 23:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.4 hours before the alert went out and 244 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 12:00Z on 1994-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 564 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 12:00Z on 1994-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.1939587897Sfc1 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
564 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 102322
SVRCOU
MOC019-051-110015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
622 PM CDT SUN APR 10 1994
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...SOUTHERN BOONE COUNTY...NORTHERN COLE COUNTY
 
AT 615 PM A SEVERE THUNDERSTORM WAS ABOUT 15 MILES WEST OF JEFFERSON
CITY MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. THIS THUNDERSTORM
WILL AFFECT THE COMMUNITY OF ASHLAND BETWEEN 630 PM AND 650 PM
THIS EVENING.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
LA GREE/BLANCHARD

What forecasters said that day

The local office's own words before this severe thunderstorm 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 10, 1:19 PM CDT, 5 hours 3 minutes before
MOZ001>007-011>016-020>023-028>031-037-038-043-044-053-054-067-
KSZ057-060-102>105-111200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY MO
100 PM CDT SUN APR 10 1994

THIS STATEMENT APPLIES TO THE EASTERN KANSAS COUNTIES OF

DONIPHAN     JOHNSON     LEAVENWORTH     LINN     MIAMI     WYANDOTTE

AND THE NORTHERN AND WESTERN MISSOURI COUNTIES OF

ANDREW       CASS        GRUNDY       LAFAYETTE      RAY
ATCHISON     CLAY        HARRISON     LIVINGSTON     ST. CLAIR
BATES        CLINTON     HENRY        MERCER         SULLIVAN
BUCHANAN     DAVIESS     HOLT         NODAWAY        WORTH
CALDWELL     DEKALB      JACKSON      PLATTE
CARROLL      GENTRY      JOHNSON      PUTNAM

...THUNDERSTORMS WILL SPREAD ACROSS THE REGION LATE THIS
AFTERNOON AND EVENING BUT ARE NOT EXPECTED TO BE SEVERE...

A STORM SYSTEM OVER THE SOUTHWESTERN UNITED STATES WILL MOVE SLOWLY
EASTWARD AND INTO WEST TEXAS BY TOMORROW MORNING.  A STATIONARY
FRONT EXTENDING FROM THE BOOTHEEL OF MISSOURI AND INTO SOUTHERN
OKLAHOMA DIVIDES VERY MOIST AND UNSTABLE AIR TO THE SOUTH AND MUCH
COOLER AND DRIER AIR OVER MISSOURI AND KANSAS.  THIS BOUNDARY WILL
MOVE LITTLE BETWEEN NOW AND MONDAY MORNING.  HOWEVER...THE WARM AND
MOIST AIR TO THE SOUTH IS RIDING OVER THE FRONT AND COMBINED
WITH WEATHER DISTURBANCES ALOFT WILL PROVIDE THE INGREDIANTS FOR THE
DEVELOPMENT OF MORE SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND
CONTINUING THROUGH TONIGHT.

AT 1 PM CDT DOPPLER RADAR INDICATED SHOWERS AND THUNERSTORMS WERE
INCREASING IN COVERAGE AND INTENSITY IN AN EAST-WEST BAND FROM
SOUTHEAST KANSAS THROUGH CENTRAL MISSOURI.  THE LEADING EDGE OF
THESE STORMS WAS NEAR AN EMPORIA KANSAS TO JUST SOUTH OF COLUMBIA
LINE...WITH THUNDERSTORMS OCCURRING IN BATES...HENRY...AND
ST CLAIR COUNTIES.  THIS BAND OF STORMS WAS GRADUALLY LIFTING NORTHWARD.
MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AND SPREAD
NORTHWARD ACROSS THE REST OF WEST CENTRAL AND NORTHWEST MISSOURI AS
WELL AS EAST CENTRAL KANSAS THIS AFTERNOON.

THE PRIMARY THREAT WILL BE FROM LOCALLY HEAVY RAINFALL...WITH SOME
SPOTS RECEIVING UP TO 2 INCHES OF RAIN BY MONDAY MORNING...AND SMALL
HAIL UP TO THE SIZE OF MARBLES.  THE AdIRMASS IS EXPECTED TO BE TOO
STABLE TO SUPPORT ANY SEVERE THUNDERSTORM THREAT...BUT DUE TO SATURDAYS
RAINFALL THERE IS THE LIKELIHOOD OF PONDING OF WATER AND THE FLOODING OF
SMALL STREAMS AND RIVERS.

JULY
Special weather statement, Apr 10, 4:04 PM CDT, 2 hours 18 minutes before
MOZ001>007-011>016-020>023-028>031-037-038-043-044-053-054-067-
KSZ057-060-102>105-102250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MO
350 PM CDT SUN APR 10 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF WEST
CENTRAL MISSOURI AND EAST CENTRAL KANSAS UNTIL 1000 PM...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR PARTS OF WEST CENTRAL MISSOURI AND EAST CENTRAL KANSAS UNTIL 1000 PM
THIS EVENING.  THE WATCH INCLUDES THE CITIES OF CLINTON....BUTLER...
AND OSCEOLA IN MISSOURI AND MOUND CITY IN KANSAS.

CONDITIONS ARE FAVORABLE LATE THIS AFTERNOON AND EVENING FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS ACROSS WEST CENTRAL MISSOURI AND
EAST CENTRAL KANSAS WHICH MAY PRODUCE DAMAGING WINDS OR LARGE HAIL.
VERY HEVAY RAIN AND FREQUENT LIGHTNING CAN ALSO BE EXPECTED SO
REMAIN ALERT FOR POSSIBLE WARNINGS.
.
IF OUTDOORS...WATCH FOR APPROACHING STORMS AND BE READY TO TAKE
SHELTER.  STAY TUNED TO YOUR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

JULY
Special weather statement, Apr 10, 4:48 PM CDT, 1 hour 34 minutes before
MOZ001>007-011>016-020>023-028>031-037-038-043-044-053-054-067-
KSZ057-060-102>105-102325-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MO
430 PM CDT SUN APR 10 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR WEST CENTRAL AND PARTS OF
NORTHWEST MISSOURI FOR TONIGHT AND MONDAY MORNING...

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WATCH FOR TONIGHT
AND MONDAY MORNING FOR WEST CENTRAL AND PARTS OF NORTHWEST MISSOURI.
THIS WATCH INCLUDES THE AREA ALONG AND SOUTH OF A LINE FROM JUST NORTH
OF KANSAS CITY TO 20 MILES NORTHEAST OF CARROLLTON.  THIS WATCH
INCLUDES THE KANSAS CITY AREA AS WELL AS RICHMOND...WARRENSBURG...
OLATHE...CLINTON...AND MOUND CITY KANSAS.  THE FLASH FLOOD WATCH DOES
NOT INCLUDE THE ST JOSEPH AREA.

SHOWERS AND THUNDERSTORMS WHICH WERE MOVING THROUGH THE KANSAS CITY
AREA WERE DECREASING IN COVERAGE AND INTENSITY.  HOWEVER...A MUCH
LARGER AREA OF THUNDERSTORMS HAS RAPIDLY DEVELOPED OVER SOUTHEAST
KANSAS AND PARTS OF WEST CENTRAL MISSOURI.  AT 430 PM THE LEADING EDGE
OF THESE STORMS WAS ABOUT 50 MILES SOUTH OF DOWNTOWN KANSAS CITY AND
WERE MOVING TO THE NORTHEAST BETWEEN 30 AND 35 MPH.  THE PATTERN
OF THUNDERSTORMS MOVING OVER THE SAME GENERAL AREA WILL CONTINUE
THROUGH MOST OF TONIGHT...AND COMBINED WITH THE NEARLY SATURATED SOIL
FROM YESTERDAYS AND TODAYS RAIN MAKES FLASH FLOODING A HIGH THREAT.
CURRENT FORECASTS INDICATE LOCALIZED AREAS MAY RECEIVE TWO OR MORE
INCHES OF RAIN BY MONDAY MORNING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

JULY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 12:21 AM CDTSevere Thunderstorm WarningEAXCamden54 min
Apr 10, 12:51 AM CDTSevere Thunderstorm WarningEAXPulaski39 min
Apr 10, 1:18 AM CDTSevere Thunderstorm WarningEAXMaries27 min
Apr 10, 6:12 PM CDTSevere Thunderstorm WarningEAXCooper48 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994

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; radar from the NEXRAD Level II archive.