Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 63, NWS Springfield, MO

November 27, 1990Christian County, Greene County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Nov 27, 1990, 10:58 AM CST for Christian County, Greene County, Missouri. It was in force for 47 min. 2 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
Nov 27, 1990, 10:58 AM CST (16:58 UTC)
Expired
Nov 27, 1990, 11:45 AM CST
In force
47 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Christian County, MO, Greene County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Nov 27, 11:15 AM CSTThunderstorm Wind 0Greene, MO
Nov 27, 11:30 AM CSTThunderstorm Wind 0Greene, 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, 5.0 hours before the alert went out and 53 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 1990-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 623 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 1990-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
623 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 271658
SVRSGF
MOC043-077-271800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1058 AM CST TUE NOV 27 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1200 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      WESTERN CHRISTIAN...GREENE

AT 1100 AM CST RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES
SOUTHWEST OF SPRINGFIELD MOVING TO THE NORTHEAST AT 40 MILES
PER HOUR. THIS THUNDERSTORM WILL MOVE OVER THE CITY OF SPRING-
FIELD AROUND 1130 AM CST.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.  MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

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

            LL TO ACTION STATEMENT

 MURPHY

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, Nov 27, 6:35 AM CST, 4 hours 23 minutes before
MOZ015-016-019-020-021-271330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
635 AM CST TUE NOV 27 1990

...A TORNADO WATCH IS IN EFFECT FOR A PORTION OF EXTREME SOUTHWEST
MISSOURI UNTIL NOON...

A COLD FRONT WAS MOVING SOUTHEAST ACROSS MISSOURI THIS MORNING.  THE
FRONT WAS JUST SOUTH OF KANSAS CITY AT 6 AM.  TEMPERATURES SOUTH OF
THE FRONT AROUND SOUTHWEST MISSOURI WERE IN THE MID TO UPPER 60S.
WINDS WERE SOUTH 15 TO 25 MPH AND GUSTING INTO THE 30 MPH RANGE.

RADAR AT 630 AM SHOWED SCATTERED SHOWERS AND THUNDERSTORMS AROUND
SOUTHWEST MISSOURI.  THE THUNDERSTORMS WERE MOVING NORTHEAST 40
MILES AN HOUR.

PERSONS GOING TO WORK THIS MORNING SHOULD INCLUDE RAIN GEAR.  LATER
THIS AFTERNOON...AROUND GOING HOME TIME...TEMPERATURES WILL BE TAKING
A NOSE DIVE AS THE FRONT CROSSES THE SPRINGFIELD AREA.
REMEMBER...A TORNADO WATCH IS IN EFFECT UNTIL NOON FOR PERSONS IN
VERNON...CEDAR...BARTON...JASPER...LAWRENCE...NEWTON...MCDONALD...
AND BARRY COUNTIES.

PEOPLE SHOULD BE ALERT FOR LATER WEATHER BULLETINS CONCERNING THE STORMS.

LEE
Special weather statement, Nov 27, 8:42 AM CST, 2 hours 16 minutes before
MOZ015-016-019-020-271430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
835 AM CST TUE NOV 27 1990

...A TORNADO WATCH IS IN EFFECT FOR A PORTION OF EXTREME SOUTHWEST
MISSOURI UNTIL NOON...
...A SEVERE THUNDERSTORM WARNING IN EFFECT FOR VERNON...BARTON...
JASPER AND NEWTON COUNTIES UNTIL 900 AM CST...

A COLD FRONT WAS MOVING SOUTHEAST ACROSS MISSOURI THIS MORNING.  THE
FRONT WAS JUST SOUTH OF KANSAS CITY AT 8 AM.  TEMPERATURES SOUTH OF
THE FRONT AROUND SOUTHWEST MISSOURI WERE IN THE MID TO UPPER 60S.
WINDS WERE SOUTH 15 TO 25 MPH AND GUSTING INTO THE 30 MPH RANGE.

RADAR AT 830 AM SHOWED SCATTERED SHOWERS AND THUNDERSTORMS AROUND
SOUTHWEST MISSOURI.  THE THUNDERSTORMXS WERE MOVING NORTHEAST AT
AROUND 50 MILES AN HOUR.
PEOPLE SHOULD BE ALERT FOR LATER WEATHER BULLETINS CONCERNING THE STORMS.

SIMKULET

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 7:57 AM CSTSevere Thunderstorm WarningSGFBarton, Vernon63 min
Nov 27, 7:57 AM CSTSevere Thunderstorm WarningSGFJasper, Newton63 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.