Alert archive / Missouri / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 9, NWS Springfield, MO

April 3, 1989Shannon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 3, 1989, 3:55 PM CDT for Shannon County, Missouri. It was in force for 50 min. 1 report 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 3, 1989, 3:55 PM CDT (20:55 UTC)
Expired
Apr 3, 1989, 4:45 PM CDT
In force
50 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Shannon 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
Apr 3, 4:00 PM CDTHail 1.25Shannon, 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, 8.9 hours before the alert went out and 215 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 1989-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1226 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 1989-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939587897Sfc1 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
1226 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 032055
SVRSGF
MOC203-032145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
355 PM CDT MON APR 3 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTH CENTRAL PART OF MISSOURI
      EASTERN SHANNON

AT350PM CDT RADAR INDICATED A DANGEROUS STORM 50 MILES NORTH OF
WEST PLAINS MISSOURI NEAR EMINENCE. ONE INCH HAIL WAS REPORTE WITH
THIS STORM AT 355PM.

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.

 BAREIS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 2:59 PM CDTSevere Thunderstorm WarningSGFShannon, Texas46 min
Apr 3, 3:50 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas40 min
Apr 3, 4:25 PM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Texas50 min
Apr 3, 4:44 PM CDTSevere Thunderstorm WarningSGFOzark, Taney46 min
Apr 3, 5:09 PM CDTSevere Thunderstorm WarningSGFShannon51 min
Apr 3, 5:13 PM CDTSevere Thunderstorm WarningSGFOregon47 min
Apr 3, 5:22 PM CDTSevere Thunderstorm WarningSGFHowell53 min
Apr 3, 5:47 PM CDTSevere Thunderstorm WarningSGFCarter, Ripley43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1989Every severe thunderstorm warning in 1989

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.