Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 41, NWS Kansas City, MO

June 8, 1990Clay County, Ray County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 8, 1990, 1:06 PM CDT for Clay County, Ray County, Missouri. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1990, 1:06 PM CDT (18:06 UTC)
Expired
Jun 8, 1990, 2:00 PM CDT
In force
54 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Clay County, MO, Ray 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

Topeka, KS (KTOP), launched 12:00Z, 6.1 hours before the alert went out and 129 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 12:00Z on 1990-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1373 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, Topeka, KS at 12:00Z on 1990-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
1373 J/kg
Mixed-layer CIN
-248 J/kg
Mixed-layer LCL
1115 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 081809
SVRMCI
MOC047-177-081900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
106 PM CDT FRI JUN 8 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN WEST CENTRAL MISSOURI
          ...EASTERN CLAY
IN NORTHWEST MISSOURI
          ...SOUTHERN RAY
 
AT 1PM CDT...GOLFBALL SIZE HAIL WAS REPORTED IN THE CITY OF EXCELSIOR
SPRINGS MISSOURI...LOCATED ABOUT 25 MILES NORTHEAST OF KANSAS CITY.
THIS SEVERE THUNDERSTORM IS MOVING TO THE EAST AT 45 MPH.
 
PERSONS IN THE CITY OF EXCELSIOR SPRINGS AND RICHMOND MISSOURI SHOULD
BE PREPARED FOR SEVERE WEATHER.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE .A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
POOLE

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, Jun 8, 10:45 AM CDT, 2 hours 21 minutes before
MOZ004-008-081645-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1030 AM CDT FRI JUN 8 1990

AT 1030 AM CDT...A VERY HEAVY THUNDERSTORM WAS OCCURRING IN ATCHISON
COUNTY MISSOURI AND IS EXPECTED TO MOVE INTO AND ACROSS NODAWAY COUNTY
OF NORTHWEST MISSOURI BY 1130 AM CDT THIS FRIDAY MORNING. VERY HEAVY
RAIN...SMALL HAIL TO 1/2 INCH AND GUSTY WINDS OF 35 TO 40 MPH ARE
POSSIBLE WITH THIS STORM. THIS STORM WAS PART OF A LARGER AREA OF
SHOWERS AND THUNDERSTORMS THAT WERE OCCURRING ACROSS SOUTHWEST IOWA...
SOUTHEAST NEBRASKA...A VERY SMALL PART OF NORTHEAST KANSAS AND
NORTHWEST MISSOURI.

MOVEMNT WAS TOWARDS THE EAST AT 45 MPH.
Special weather statement, Jun 8, 11:13 AM CDT, 1 hour 53 minutes before
MOZ004-008-081730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1105 AM CDT FRI JUN 8 1990

...SMALL HAIL FALLING OVER EXTREME NORTHEAST KANSAS AND NORTHWEST
MISSOURI...

AT 11AM CDT...STRONG THUNDERSTORMS CONTINUE OVER NORTHEAST KANSAS
AND NORTHWEST MISSOURI. THE STRONGEST STORMS WERE LOCATED NEAR
HIAWATHA KANSAS...50 MILES NORTHWEST OF KANSAS CITY...AND NEAR
BURLINGTON JUNCTION MISSOURI...75 MILES NORTH OF KANSAS CITY IN
NODAWAY COUNTY.

AT 1020 AM...PEA SIZE HAIL WAS REPORTED AT ROCKPORT MISSOURI...
75 MILES NORTHWEST OF KANSAS CITY. AND AROUND 11AM...BURLINGTON
JUNCTION REPORTED 1/2 INCH HAIL.

THESE STORMS ARE MOVING RAPIDLY TO THE EAST AT AROUND 45 MPH.
PERSONS LIVING IN DONIPHAN COUNTY OF KANSAS AND IN THE MISSOURI
COUNTIES OF NODAWAY...WORTH AND GENTRY...SHOULD BE ALERT TO
CHANGING WEATHER CONDITIONS AND PREPARED FOR INTENSE THUNDERSTORMS
TO MOVE THROUGH THAT AREA BY NOON.

SOME OF THE LARGER CITIES LOCATED IN THE PATH OF THESE STORMS ARE
TROY KANSAS...MARYVILLE...GRANT CITY...AND ALBANY IN MISSOURI.

POOLE
Special weather statement, Jun 8, 12:27 PM CDT, 39 minutes before
MOZ004-008-081830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1212 PM CDT FRI JUN 8 1990

...THUNDERSTORMS MOVING INTO THE KANSAS CITY AND ST. JOSEPH AREAS...

AT 1215PM...STRONG THUNDERSTORMS ARE LOCATED BETWEEN THE KANSAS CITY
INTERNATIONAL AIRPORT AND ST. JOSEPH MISSOURI. OTHER THUNDERSTORMS
STRETCH FROM KANSAS CITY WEST TOWARDS TOPEKA. THESE THUNDERSTORMS
ARE CAPABLE OF PRODUCING SMALL HAIL...BRIEF &GUSTY WINDS...AND HEAVY
DOWNPOURS OF RAIN AS THEY PASS THROUGH THE METROPOLITAN AREAS
DURING THE EARLY AFTERNOON HOURS. THE STORMS ARE MOVING SOUTHEAST
AT 40 MPH.

HEAVY DOWNPOURS OF RAIN COULD CAUSE LOWLAND AND BRIEF URBAN FLOODING.
POOLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:28 PM CDTSevere Thunderstorm WarningEAXMoniteau, Morgan47 min
Jun 7, 7:28 PM CDTSevere Thunderstorm WarningEAXBoone47 min
Jun 7, 7:53 PM CDTFlash Flood WarningEAXBoone3 hr
Jun 7, 8:01 PM CDTTornado WarningEAXMoniteau29 min
Jun 7, 8:24 PM CDTSevere Thunderstorm WarningEAXCole, Miller36 min
Jun 7, 8:45 PM CDTSevere Thunderstorm WarningEAXMoniteau, Morgan45 min
Jun 7, 8:57 PM CDTTornado WarningEAXMoniteau33 min
Jun 7, 9:14 PM CDTFlash Flood WarningEAXCole, Moniteau3 hr
Jun 7, 9:30 PM CDTTornado WarningEAXCole, Miller30 min
Jun 7, 9:42 PM CDTTornado WarningEAXMoniteau18 min
Jun 8, 2:20 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan55 min
Jun 8, 2:46 PM CDTSevere Thunderstorm WarningEAXPettis44 min
Jun 8, 3:25 PM CDTSevere Thunderstorm WarningEAXCooper, Morgan65 min
Jun 8, 3:51 PM CDTTornado WarningEAXMoniteau39 min
Jun 8, 3:59 PM CDTSevere Thunderstorm WarningEAXMiller, Morgan61 min
Jun 8, 4:27 PM CDTSevere Thunderstorm WarningEAXCole63 min
Jun 8, 5:01 PM CDTSevere Thunderstorm WarningEAXSaline44 min
Jun 8, 6:24 PM CDTSevere Thunderstorm WarningEAXPulaski36 min
Jun 8, 6:40 PM CDTFlash Flood WarningEAXCaldwell, Daviess, Livingston3 hr
Jun 8, 6:40 PM CDTFlash Flood WarningEAXCarroll3 hr
Jun 8, 6:48 PM CDTSevere Thunderstorm WarningEAXCass, Jackson, Johnson57 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1990Every severe thunderstorm 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.