Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 60, NWS Springfield, MO

September 18, 1990Barry County, McDonald County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 18, 1990, 6:54 PM CDT for Barry County, McDonald County, Missouri. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Sep 18, 1990, 6:54 PM CDT (23:54 UTC)
Expired
Sep 18, 1990, 7:45 PM CDT
In force
51 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Barry County, MO, McDonald 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, 11.9 hours before the alert went out and 36 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 1990-09-18Temperature 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, Springfield, MO at 12:00Z on 1990-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 396 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
396 m²/s²
0-3 km storm-relative helicity
436 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 182354
SVRSGF
MOC009-119-190045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
654 PM CDT TUE SEP 18 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      BARRY...MCDONALD

AT 750 PM CDT A SEVERE THUNDERSTORM WAS REPORTED BY MCDONALD COUNTY
SHERIFF 35 MILES SOUTH OF JOPLIN NEAR PINEVILLE.  THE THUNDERSTORM
WAS MOVING EAST 25 MILES AN HOUR.

PEOPLE IN THE PINEVILLE AND CASSVILLE AREAS ARE IN A DIRECT LINE
WITH THIS STORM.

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.

 LEE

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, Sep 18, 6:26 PM CDT, 28 minutes before
MOZ015-016-019-020-190015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
625 PM CDT TUE SEP 18 1990

 ...A STRONG THUNDERSTORM IS IN THE MCDONALD COUNTY AREA IN EXTREME
SOUTHWEST MISSOURI...

AT 620 PM CDT A VERY STRONG THUNDERSTORM HAD MOVED INTO MCDONALD
COUNTY 30 MILES SOUTH OF JOPLIN MISSOURI.  THE THUNDERSTORM HAD
INCREASED IN INTENSITY RAPIDLY AND WAS MOVING EAST 20 MILES AN HOUR.

THE THUNDERSTORM MAY PRODUCE HAIL...DANGEROUS CLOUD TO GROUND
LIGHTNING STRIKES...AND STRONG GUSTY WIND AS IT MOVES ACROSS
MCDONALD COUNTY INCLUDING THE PINEVILLE AREA BY 700 PM.

LEE

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.