Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 17, NWS Kansas City, MO

May 15, 1990Gasconade County, Montgomery County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 15, 1990, 4:17 PM CDT for Gasconade County, Montgomery County, Missouri. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
May 15, 1990, 4:17 PM CDT (21:17 UTC)
Expired
May 15, 1990, 4:45 PM CDT
In force
28 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Gasconade County, MO, Montgomery 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

Springfield, MO (KUMN), launched 12:00Z, 9.3 hours before the alert went out and 284 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 1990-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1151 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, Springfield, MO at 12:00Z on 1990-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 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
1151 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 152117
SVRCOU
MOC073-139-152145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE COLUMBIA MO
417 PM CDT TUE MAY 15 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF MISSOURI
      NORTHERN GASCONADE...SOUTHERN MONTGOMERY

AT 410 PM...RADAR INDICATED A SEVERE THUNDERSTORM OVER HERMANN...
OR 30 EAST OF JEFFERSON CITY...MOVING EAST AT 40 MPH.  LARGE HAIL
WAS REPORTED JUST WEST OF HERMANN.

DAMAGING WIND...LARGE HAIL...DANGEROUS LIGHTNING AND VERY HEAVY
RAIN ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.  STAY INSIDE AND...
AWAY FROM WINDOWS UNTIL THE STORMS PASS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.

 PERLOW/LARM

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, May 15, 2:57 PM CDT, 1 hour 20 minutes before
MOZ008-152100
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT, MO
250 PM CDT TUE MAY 15 1990

...THE FLASH FLOOD WARNING FOR THE KANSAS CITY METRO AREA EXPIRED AT
215 PM...
...FLASH FLOOD WATCH IS IN EFFECT UNTIL 6 PM...
...A TORNADO WATCH IS IN EFFECT FOR THE METRO AREA UNTIL 400 PM...

AT 250 PM SCATTERED THUNDERSTORMS CONTINUED OVER THE KANSAS CITY
METRO AREA WITH THE STONGER STORMS TO THE EAST OF THE CITY.

MORE STORMS CONTAINING HEAVY RAIN ARE POSSIBLE LATER THIS AFTERNOON
AND THIS EVENING.

MANY OF THE SMALLER STREAMS AND CREEKS IN THE METRO AREA ARE RUNNING
BANK FULL OR ARE OUT OF THEIR BANKS.  THE BIG BLUE RIVER IS IN FLOOD
OR WILL RISE ABOVE FLOOD STAGE AT MAY POINTS.  STAGE AT BANNISTER
ROAD WAS 35.8 FEET AT 230 PM.

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.  MOVE TO HIGHER
GROUND.  AND NEVER TRY TO CROSS A FLOWING STR(EAM...EVEN A SMALL ONE...
ON FOOT.

RAINFALL SINCE MIDNIGHT ACROSS THE KANSAS CITY METROPOLITAN AREA
HAD RANGED FROM 3 TO 5 INCHES...UP TO 2 PM THIS AFTERNOON...WITH THE
HEAVIER AMOUNTS ACROSS THE SOUTHERN HALF THE METRO AREA.

SCHILLING
Special weather statement, May 15, 3:04 PM CDT, 1 hour 13 minutes before
MOZ008-152100
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT, MO
250 PM CDT TUE MAY 15 1990

...THE FLASH FLOOD WARNING FOR THE KANSAS CITY METRO AREA EXPIRED AT
215 PM...
...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 600 PM...
...A TORNADO WATCH IS IN EFFECT FOR THE METRO AREA UNTIL 400 PM...

AT 250 PM SCATTERED THUNDERSTORMS CONTINUED OVER THE KANSAS CITY
METRO AREA WITH THE STRONGER STORMS TO THE EAST OF THE CITY.

MORE STORMS CONTAINING HEAVY RAIN ARE POSSIBLE LATER THIS AFTERNOON
AND THIS EVENING.

MANY OF THE SMALLER STREAMS AND CREEKS IN THE METRO AREA ARE RUNNING
BANK FULL OR ARE OUT OF THEIR BANKS.  THE BIG BLUE RIVER IS IN FLOOD
OR WILL RISE ABOVE FLOOD STAGE AT MANY POINTS.  THE STAGE AT BANNISTER
ROAD WAS 35.8 FEET AT 230 PM.

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.  MOVE TO HIGHER
GROUND.  AND NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...
ON FOOT.

RAINFALL SINCE MIDNIGHT ACROSS THE KANSAS CITY METROPOLITAN AREA
HAD RANGED FROM 3 TO 5 INCHES...UP TO 2 PM THIS AFTERNOON...WITH THE
HEAVIER AMOUNTS ACROSS THE SOUTHERN HALF THE METRO AREA.
4
SCHILLING
Special weather statement, May 15, 3:44 PM CDT, 33 minutes before
MOZ008-152200
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT, MO
440 PM CDT TUE MAY 15 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE KANSAS CITY METRO AREA
AND ST JOSEPH UNTIL 1100 PM THIS TUESDAY EVENING...
...A TORNADO WATCH IS IN EFFECT FOR THE METRO AREA AND ST JOSEPH
UNTIL 1000 PM THIS EVENING...

MORE THUNDERSTORMS...SOME WITH HEAVY RAIN...AND POSSIBLY STRONG GUSTY
WINDS AND HAIL...WILL BE DEVELOPING IN KANSAS AND SPREADING INTO
THE KANSAS CITY AND ST JOSEPH AREAS THIS EVENING.

MANY OF THE SMALLER STREAMS AND CREEKS IN THE METRO AREA ARE RUNNING
BANK FULL OR ARE OUT OF THEIR BANKS.  THE BIG BLUE RIVER IS IN FLOOD
OR WILL RISE ABOVE FLOOD STAGE AT MANY POINTS.  THE STAGE AT BANNISTER
ROAD WAS 37.4 FEET AT 330 PM...AND WAS NEAR CREST.

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.  MOVE TO HIGHER
GROUND.  AND NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ON...ON FOOT.

SCHILLING
Special weather statement, May 15, 3:50 PM CDT, 27 minutes before
MOZ008-152200
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT, MO
440 PM CDT TUE MAY 15 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE KANSAS CITY METRO AREA
AND ST JOSEPH UNTIL 1100 AM WEDNESDAY MORNING...
...A TORNADO WATCH IS IN EFFECT FOR THE METRO AREA AND ST JOSEPH
UNTIL 1000 PM THIS EVENING...

MORE THUNDERSTORMS...SOME WITH HEAVY RAIN...AND POSSIBLY STRONG GUSTY
WINDS AND HAIL...WILL BE DEVELOPING IN KANSAS AND SPREADING INTO
THE KANSAS CITY AND ST JOSEPH AREAS THIS EVENING.

MANY OF THE SMALLER STREAMS AND CREEKS IN THE METRO AREA ARE RUNNING
BANK FULL OR ARE OUT OF THEIR BANKS.  THE BIG BLUE RIVER IS IN FLOOD
OR WILL RISE ABOVE FLOOD STAGE AT MANY POINTS.  THE STAGE AT BANNISTER
ROAD WAS 37.4 FEET AT 330 PM...AND WAS NEAR CREST.

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.  MOVE TO HIGHER
GROUND.  AND NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ON...ON FOOT.

SCHILLING

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 10:29 PM CDTSevere Thunderstorm WarningEAXSt. Clair31 min
May 15, 6:30 AM CDTSevere Thunderstorm WarningEAXJackson30 min
May 15, 10:18 AM CDTFlash Flood WarningEAXCole, Moniteau, Morgan2 hr
May 15, 11:07 AM CDTFlash Flood WarningEAXClay, Jackson3 hr
May 15, 11:07 AM CDTFlash Flood WarningEAXPlatte3 hr
May 15, 12:36 PM CDTSevere Thunderstorm WarningEAXCooper69 min
May 15, 12:36 PM CDTSevere Thunderstorm WarningEAXHickory69 min
May 15, 12:43 PM CDTSevere Thunderstorm WarningEAXCooper, Howard62 min
May 15, 1:13 PM CDTFlash Flood WarningEAXCooper, Howard, Saline3 hr
May 15, 1:13 PM CDTFlash Flood WarningEAXPettis3 hr
May 15, 1:27 PM CDTSevere Thunderstorm WarningEAXBoone, Moniteau33 min
May 15, 1:58 PM CDTTornado WarningEAXCallaway32 min
May 15, 2:46 PM CDTFlash Flood WarningEAXBoone, Moniteau3 hr
May 15, 2:46 PM CDTFlash Flood WarningEAXAudrain, Callaway3 hr
May 15, 5:06 PM CDTSevere Thunderstorm WarningEAXGasconade39 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.