Alert archive / Missouri / Tornado Warnings in 1991

Tornado Warning 12, NWS Kansas City, MO

October 3, 1991Moniteau County, Missouri

NWS Kansas City, MO issued this tornado warning at Oct 3, 1991, 6:51 PM CDT for Moniteau County, Missouri. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 3, 1991, 6:51 PM CDT (23:51 UTC)
Expired
Oct 3, 1991, 7:30 PM CDT
In force
39 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Moniteau County, MO

What was reported inside it

TimeReportWhereRemark
Oct 3, 6:55 PM CDTHail 2Moniteau, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.9 hours before the alert went out and 220 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 1991-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 310 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 1991-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 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
310 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this tornado 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, Oct 3, 5:14 PM CDT, 1 hour 37 minutes before
MOZ004-005-008-0013-032310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
510 PM CDT THU OCT 3 1991

AT 510 PM A LINE OF STRONG THUNDERSTORMS A FEW PRODUCING VERY HEAVY
RAIN AND STRONG GUSTY WINDS EXTENDED FROM 40 MILES SOUTH OF KANSAS
CITY TO NEAR SEDALIA MISSOURI.

THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.  BRIEF GUSTY WIND...
VERY HEAVY RAIN AND SMALL HAIL IS POSSIBLE WITH THESE PASSING STORMS.
THE STORMS WILL MOVE ACROSS SOUTHERN CASS...SOUTHERN JOHNSON...
NORTHERN BATES AND NORTHERN HENRY HENRY COUNTY BETWEEN 510 AND 610 PM.

IF THREATENING WEATHER APPROACHES TAKE SHELTER QUICKLY.  PLEASE
REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY.
Special weather statement, Oct 3, 5:34 PM CDT, 1 hour 17 minutes before
MOZ008-009-013-032330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
530 PM CDT THU OCT 3 1991

AT 525 PM A LINE OF STRONG THUNDERSTORMS A FEW PRODUCING VERY HEAVY
RAIN AND STRONG GUSTY WINDS AND FREQUENT LIGHTNING EXTENDED FROM 50
SOUTHWEST OF KANSAS CITY TO NEAR SEDALIA MISSOURI.

THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.  BRIEF GUSTY WIND...
VERY HEAVY RAIN AND HAIL IS POSSIBLE WITH THESE PASSING STORMS.
THE STORMS WILL MOVE ACROSS SOUTHERN CASS...SOUTHERN JOHNSON...
NORTHERN BATES AND NORTHERN HENRY HENRY COUNTY BETWEEN 525 AND 610 PM
CDT.  GOLFBALL SIZE HAIL WAS REPORTED NEAR SEDALIA AT 520 PM CDT.

IF THREATENING WEATHER APPROACHES TAKE SHELTER QUICKLY.  PLEASE
REPORT ANY SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY.

GH
Special weather statement, Oct 3, 6:15 PM CDT, 36 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 9:07 PM CDTSevere Thunderstorm WarningEAXJackson38 min
Oct 2, 9:48 PM CDTSevere Thunderstorm WarningEAXBoone, Callaway42 min
Oct 2, 9:51 PM CDTSevere Thunderstorm WarningEAXClay, Platte39 min
Oct 3, 5:02 PM CDTSevere Thunderstorm WarningEAXCooper, Pettis58 min
Oct 3, 5:30 PM CDTTornado WarningEAXCooper, Pettis30 min
Oct 3, 6:00 PM CDTTornado WarningEAXCooper30 min
Oct 3, 6:31 PM CDTSevere Thunderstorm WarningEAXCooper, Moniteau59 min

Nearby

Tornado Warnings in Missouri, 1991Every tornado warning in 1991Tornadoes in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.