Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 44, NWS Springfield, MO

May 20, 1990Barry County, Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 20, 1990, 11:11 PM CDT for Barry County, Newton County, Missouri. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
May 20, 1990, 11:11 PM CDT (04:11 UTC)
Expired
May 21, 1990, 12:15 AM CDT
In force
64 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Barry County, MO, Newton 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 00:00Z, 4.2 hours before the alert went out and 27 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 00:00Z on 1990-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2299 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 00:00Z on 1990-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.19395878Sfc1 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
2299 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1348 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.7
Supercell composite
7.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 210411
SVRSGF
MOC009-145-210515-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1111 PM CDT SUN MAY 20 1990

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

   IN THE SOUTHWEST PART OF MISSOURI
      NORTHERN BARRY...EASTERN NEWTON

AT 1105 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR GRANBY
OR 15 MILES WEST OF MONETT IN SOUTHWEST MISSOURI. LARGE HAIL AND
DAMAGING WINDS HAVE BEEN REPORTED EAST OF NEOSHO.

THE STORM WAS MOVING TO THE SOUTHEAST AND WILL MOVE INTO NORTHERN
BARRY COUNTY BY 1020 PM. THIS INCLUDES CASSVILLE AND PURDY.

THIS IS A DANGEROUS STORM...PREPARE FOR DAMAGING WINDS...LARGE HAIL
AND DEADLY LIGHTNING.

 BAREIS

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 8:27 PM CDTSevere Thunderstorm WarningSGFDade, Jasper, Lawrence, Newton63 min
May 20, 9:22 PM CDTSevere Thunderstorm WarningSGFJasper, Lawrence68 min
May 20, 9:22 PM CDTSevere Thunderstorm WarningSGFChristian, Greene68 min
May 20, 10:02 PM CDTSevere Thunderstorm WarningSGFStone58 min
May 20, 10:02 PM CDTSevere Thunderstorm WarningSGFWebster58 min
May 20, 10:02 PM CDTSevere Thunderstorm WarningSGFNewton58 min
May 20, 10:36 PM CDTTornado WarningSGFChristian, Greene, Webster54 min
May 20, 10:59 PM CDTTornado WarningSGFStone46 min
May 20, 11:44 PM CDTSevere Thunderstorm WarningSGFTexas, Wright61 min
May 21, 12:20 AM CDTSevere Thunderstorm WarningSGFBarry, McDonald, Newton, Stone55 min
May 21, 12:20 AM CDTSevere Thunderstorm WarningSGFJasper55 min
May 21, 12:45 AM CDTSevere Thunderstorm WarningSGFShannon, Texas60 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; the sounding from the Mesonet's radiosonde archive.