Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 17, NWS Springfield, MO

May 15, 1990Douglas County, Howell County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 15, 1990, 7:24 AM CDT for Douglas County, Howell County, Missouri. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
May 15, 1990, 7:24 AM CDT (12:24 UTC)
Expired
May 15, 1990, 8:15 AM CDT
In force
51 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Douglas County, MO, Howell 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, 0.4 hours before the alert went out and 143 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 1990-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1151 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 1990-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 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
1151 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 151224
SVRSGF
MOC067-091-151315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
724 AM CDT TUE MAY 15 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 815 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      EASTERN DOUGLAS...

   IN THE SOUTH CENTRAL PART OF MISSOURI
      WESTERN HOWELL...

AT 720 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 50 MILES SOUTH
EAST OF SPRINGFIELD MISSOURI MOVING TO THE EAST 30 MILE AN HOUR.

THIS STORM WAS CAPABLE OF PRODUCING LARGE HAIL AND STRONG WINDS.

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

 SEVERE THUNDERSTORMS CAN AND OFTEN DO PRODUCE SMALL TORNADOES.

 PEOPLE IN THE PATH OF THIS STORM SHOULD REMAIN ON THE ALERT FOR
 FURTHER WARNINGS AND STATEMENTS.

 BAREIS

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 12:45 AM CDTSevere Thunderstorm WarningSGFBarton, Dade, Jasper, Newton45 min
May 15, 12:45 AM CDTSevere Thunderstorm WarningSGFMcDonald45 min
May 15, 1:23 AM CDTSevere Thunderstorm WarningSGFLawrence67 min
May 15, 2:15 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon60 min
May 15, 2:53 AM CDTSevere Thunderstorm WarningSGFBarry, Stone67 min
May 15, 2:53 AM CDTSevere Thunderstorm WarningSGFCedar67 min
May 15, 3:26 AM CDTTornado WarningSGFBarry, Stone49 min
May 15, 4:23 AM CDTSevere Thunderstorm WarningSGFDade, Greene, Lawrence, Polk67 min
May 15, 5:39 AM CDTSevere Thunderstorm WarningSGFChristian, Stone51 min
May 15, 6:26 AM CDTSevere Thunderstorm WarningSGFDouglas, Texas, Wright49 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.