Alert archive / Missouri / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 41, NWS Springfield, MO
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 8:45 PM CDT | Thunderstorm Wind 0 | Dallas, MO | |
| Jun 22, 8:45 PM CDT | Thunderstorm Wind 0 | Polk, 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 8:44 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Lawrence | 56 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.