Alert archive / Missouri / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 41, NWS Springfield, MO

June 22, 1987Dallas County, Polk County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 22, 1987, 8:22 PM CDT for Dallas County, Polk County, Missouri. It was in force for 53 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
Jun 22, 1987, 8:22 PM CDT (01:22 UTC)
Expired
Jun 22, 1987, 9:15 PM CDT
In force
53 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Dallas County, MO, Polk 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
Jun 22, 8:45 PM CDTThunderstorm Wind 0Dallas, MO
Jun 22, 8:45 PM CDTThunderstorm Wind 0Polk, 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 00:00Z, 1.4 hours before the alert went out and 98 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 1987-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2186 joules per kilogram.LCLEL10008507005003002001001 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 1987-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 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
2186 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1232 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 230122
SVRSGF
MOC167-059-230215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
822 PM CDT MON JUN 22 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTHWEST MISSOURI...POLK AND DALLAS

AT 815 PM CDT A SEVERE THUNDERSTORM WAS JUST SOUTH OF BOLIVAR
MISSOURI...30 MILES NORTH NORTHWEST OF SPRINGFIELD...MOVING
EAST 25 MPH.

THIS DANGEROUS THUNDERSTORM IS IN A LARGE CLUSTER OF THUNDER-
STORMS PRODUCING SERIOUS FLOODING.

BOATERS ON LAKES SHOULD MOVE TO SHELTER IMMEDIATELY.

THESE STORMS CAN AND OCCASIONALY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE
TO A PLACE OF SAFETY IF ONE IS SPOTTED.

PERSONS IN LOW LYING AND FLOOD PRONE AREAS SHOULD BE ALERT FOR
RAPIDLY RISING WATER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.
CAMPERS ALONG CREEKS AND STREAMS SHOULD MOVE TO HIGHER GROUND.

.ALL WARNINGS...

IF THREATNING  WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND RELAY YOUR SEVERE WEATHER REPORT TO THE NEAREST
LAW ENFORCEMENT AGENCY>

 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, Jun 22, 5:03 PM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
500 PM CDT MON JUN 22 1987

...STRONG THUNDERSTORMS ALONG THE KANSAS MISSOURI BORDER...

RADAR AT 455 PM CDT INDICATED A LINE OF THUNDERSTORMS NEAR THE KANSAS
MISSOURI BORDER.

THE STRONGEST THUNDERSTORM IN THE LINE WAS 20 MILES SOUTHWEST OF NEVADA
MISSOURI MOVING NORTHEAST 25 MPH.

THIS THUNDERSTORM WILL MOVE ACROSS VERNON COUNTY AND THE CITY OF NEVADA
BY 530.

IF THE INTENSITY OF THIS THUNDERSTORM CONTINUES TO INCREASE IT COULD
BECOME SEVERE.

PEOPLE NEAR THIS THUNDERSTORM AS IT TRACKS NORTHEASTWARD SHOULD EXPECT
HAIL...GUSTY WIND AND HEAVY RAIN.

LEE
Special weather statement, Jun 22, 5:37 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
535 PM CDT MON JUN 22 1987

...THUNDERSTORMS BUILDING RAPIDLY OVER SOUTHWEST MISSOURI...

RADAR AT 530 PM INDICATED AN INTENSE THUNDERSTORM 10 MILES SOUTH OF
REEDS SPRING MISSOURI IN STONE COUNTY...40 MILES SOUTH SOUTHWEST OF
SPRINGFIELD.  THE THUNDERSTORM WAS MOVING NORTHEAST 25 MPH.

THIS THUNDERSTORM WAS PRODUCING MARBLE SIZE HAIL AND COVERING THE
GROUND AT 525 PM.

THIS THUNDERSTORM WILL MOVE INTO WESTERN TANEY AND SOUTHERN CHRISTIAN
COUNTIES BY 545 PM.

PEOPLE IN THESE AREAS SHOULD BY PREPARED TO MOVE TO A PLACE OF SAFETY
IF A WARNING IS ISSUED.

LEE
Special weather statement, Jun 22, 8:04 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
805 PM CDT MON JUN 22 1987

...STRONG THUNDERSTORMS OVER POLK COUNTY MISSOURI...

AT 800 PM CDT RADAR INDICATED STRONG THUNDERSTORMS OVER POLK COUNTY
MISSOURI.

ONE STRONG THUNDERSTORM WAS NEAR MORRISVILLE 25 MILES NORTHWEST OF
SPRINGFIELD.  ANOTHER THUNDERSTORM WAS NEAR HALFWAY 20 MILES NORTH
OF SPRINGFIELD.

THESE THUNDERSTORMS ARE IN A LARGE OF CLUSTER OF THUNDERSTORMS MOVING
NORTHEAST 25 MPH.

THESE STORMS ARE PRODUCING HEAVY RAIN...MARBLE SIZE HAIL AND STRONG
GUSTY WINDS AS THEY MOVE NORTHEAST.
PEOPLE SHOULD BE ALERT FOR HAIL...FLOODING...AND DANGEROUS LIGHTNING
STRIKES FROM THESE THUNDERSTORMS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT OFFICE.

LEE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:44 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence56 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1987Every severe thunderstorm warning in 1987

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.