Alert archive / Missouri / Tornado Warnings in 1991

Tornado Warning 1, NWS Springfield, MO

April 26, 1991Jasper County, Newton County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 26, 1991, 11:13 PM CDT for Jasper County, Newton County, Missouri. It was in force for 62 min. 5 reports 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
Apr 26, 1991, 11:13 PM CDT (04:13 UTC)
Expired
Apr 27, 1991, 12:15 AM CDT
In force
62 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Jasper County, MO, Newton County, MO

What was reported inside it

TimeReportWhereRemark
Apr 26, 11:20 PM CDTHail 0.75Newton, MO
Apr 26, 11:39 PM CDTTornado F0Newton, MO
Apr 26, 11:55 PM CDTHail 1Jasper, MO
Apr 27, 12:00 AM CDTHail 1.75Newton, MO
Apr 27, 12:05 AM CDTTornado F0Jasper, 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

Topeka, KS (KTOP), launched 00:00Z, 4.2 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, Topeka, KS at 00:00Z on 1991-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1991-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 409 square meters per square second.1939587897117Sfc1 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
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 270413
TORSGF
MOC145-097-270515-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1113 PM CDT FRI APR 26 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      NEWTON...JASPER

AT 1115 PM CDT A TORNADO WAS INDICATED NEAR MIAMI OKLAHOMA MOVING
TO THE NORTHEAST AT 35 MPH.  THIS STORM WILL MOVE INTO THE SOUTH-
WEST CORNER OF MISSOURI SHORTLY. PEOPLE IN THE PATH OF THIS STORM S
HOULD TAKE COVER NOW!

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...TAKE SHELTER IN A DITCH OR LOW SPOT.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES...
TAKE COVER IN A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

 BAREIS

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, 1 hour 13 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.

IssuedProductOfficeCountiesLasted
Apr 26, 7:03 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark42 min
Apr 26, 7:03 PM CDTSevere Thunderstorm WarningSGFOregon42 min
Apr 26, 7:50 PM CDTSevere Thunderstorm WarningSGFHowell40 min
Apr 26, 8:19 PM CDTSevere Thunderstorm WarningSGFTexas56 min
Apr 26, 10:38 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon52 min
Apr 26, 11:30 PM CDTSevere Thunderstorm WarningSGFVernon60 min
Apr 26, 11:30 PM CDTSevere Thunderstorm WarningSGFMcDonald60 min
Apr 27, 12:12 AM CDTTornado WarningSGFNewton38 min
Apr 27, 12:17 AM CDTSevere Thunderstorm WarningSGFJasper, Lawrence58 min
Apr 27, 12:39 AM CDTSevere Thunderstorm WarningSGFNewton51 min
Apr 27, 12:54 AM CDTSevere Thunderstorm WarningSGFGreene66 min
Apr 27, 1:50 AM CDTSevere Thunderstorm WarningSGFDallas, Webster55 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.