Alert archive / Missouri / Tornado Warnings in 1991

Tornado Warning 2, NWS Springfield, MO

April 27, 1991Newton County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 27, 1991, 12:12 AM CDT for Newton County, Missouri. It was in force for 38 min.

The area

The counties it named.

The facts

Issued: Apr 27, 1991, 12:12 AM CDT (05:12 UTC)
Expired: Apr 27, 1991, 12:50 AM CDT
In force: 38 min
Issued by: NWS Springfield, MO
Area: Whole counties

County Newton County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 5.2 hours before the alert went out and 259 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 409 m²/s²
0-3 km storm-relative helicity: 485 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 17.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 270512
TORSGF
MOC145-270600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1212 AM CDT SAT APR 27 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE SOUTHWEST PART OF MISSOURI
      NEWTON

AT 1210 AM CDT RADAR INDICATED A POSSIBLE TORNADO 20 MILES SOUTH
OF JOPLIN OR NEAR NEOSHO...MOVING TO THE EAST AT 15 TO 20 MPH.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

 JOHNSON

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, Apr 26, 10:00 PM CDT, 2 hours 12 minutes before

MOZ015-016-019-020-021- 270400 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1000PM CDT FRI APR 27 1991

A BAND OF SHOWERS AND THUNDERSTORMS HAVE DEVELOPED ALONG A LINE FROM
NEAR JEFFERSON CITY TO NEAR SPRINGFIELD MISSOURI. THE STORMS WERE
INCREASING IN COVERAGE AND INTENSITY. A SEVERE THUNDERSTORM WATCH REMAINS
IN EFFECT UNTIL 2 AM CDT SATURDAY MORNING.
NO SEVERE WEATHER HAS OCCURRED IN SOUTHWEST MISSOURI DURING THE LAST HOUR.

NUMEROUS DAMAGING STORMS HAVE OCCURRED IN SOUTHEAST KANSAS AND THIS LINE
OF STORMS NOW EXTENDED FROM NEAR NEVADA MISSOURI TO PITTSBURG KANSAS THEN
INTO NORTHEAST OKLAHOMA.

PEOPLE IN SOUTHWEST MISSOURI SHOULD REMAIN ALERT FOR LATER STATEMENTS^
AND POSSIBLE WARNINGS.

BAREIS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 7:03 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	42 min
Apr 26, 7:03 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	42 min
Apr 26, 7:50 PM CDT	Severe Thunderstorm Warning	SGF	Howell	40 min
Apr 26, 8:19 PM CDT	Severe Thunderstorm Warning	SGF	Texas	56 min
Apr 26, 10:38 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	52 min
Apr 26, 11:13 PM CDT	Tornado Warning	SGF	Jasper, Newton	62 min
Apr 26, 11:30 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	60 min
Apr 26, 11:30 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	60 min
Apr 27, 12:17 AM CDT	Severe Thunderstorm Warning	SGF	Jasper, Lawrence	58 min
Apr 27, 12:39 AM CDT	Severe Thunderstorm Warning	SGF	Newton	51 min
Apr 27, 12:54 AM CDT	Severe Thunderstorm Warning	SGF	Greene	66 min
Apr 27, 1:50 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Webster	55 min

Nearby

Tornado Warnings in Missouri, 1991 Every tornado warning in 1991 Tornadoes 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; the sounding from the Mesonet's radiosonde archive.