Alert archive / Kansas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 89, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Sep 14, 1987, 12:48 PM CDT for Leavenworth County, Kansas. It was in force for 57 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
- Sep 14, 1987, 12:48 PM CDT (17:48 UTC)
- Expired
- Sep 14, 1987, 1:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Leavenworth County, KS
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 |
|---|---|---|---|
| Sep 14, 1:08 PM CDT | Hail 1 | Leavenworth, KS |
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
Topeka, KS (KTOP), launched 12:00Z, 5.8 hours before the alert went out and 56 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
- 2123 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 844 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 141748
SVRMCI
KSC103-141845-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY INTL AIRPORT
1248 PM CDT MON SEP 14 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 145 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST KANSAS
...LEAVENWORTH
A SEVERE THUNDERSTORM WAS 25 MILES WEST OF KANSAS CITY INTL AIRPORT
MOVING TOWARDS THE SOUTHEAST AT 20 MILES PER HOUR.
REMEBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT
BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. HEAVY RAINS
CAN COVER ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROADS.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDER?STORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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, Sep 14, 11:35 AM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 1130 AM CDT MON SEP 14 1987 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST AND EASTCENTRAL KANSAS AND PORTIONS OF NORTHWEST AND WESTCENTRAL MISSOURI UNTIL 4 PM... AT 1130 AM...A SMALL CLUSTER OF THUNDERSTORMS...SOME VERY STRONG... WAS IN NORTHEAST KASNSAS AND NORTHWEST MISSOURI. AN INTENSE THUNDERSTORMS WAS 35 MILES NORTHWEST OF ST JOSEPH MISSOURI ...OVER NORTHWEST HOLD COUNTY MISSOURI. A PERIOD OF VERY HEAVY RAIN ...AND POSSIBLY SOME SMALL HAIL...WILL ACCOMPLY THIS STORM AS IT MOVES ACROSS HOLT COUNTY BETWEEN 1130 AM AND 1230 PM. OTHER STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...THE STRONGEST ABOUT 30 MILES NORTH OF TOPEKA. ALL THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR.
Special weather statement, Sep 14, 11:39 AM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 1130 AM CDT MON SEP 14 1987...CORRECTION ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST AND EASTCENTRAL KANSAS AND PORTIONS OF NORTHWEST AND WESTCENTRAL MISSOURI UNTIL 4 PM... AT 1130 AM...A SMALL CLUSTER OF THUNDERSTORMS...SOME VERY STRONG... WAS IN NORTHEAST KANSAS AND NORTHWEST MISSOURI. AN INTENSE THUNDERSTORM WAS 35 MILES NORTHWEST OF ST JOSEPH MISSOURI ...OVER NORTHWEST HOLT COUNTY MISSOURI. A PERIOD OF VERY HEAVY RAIN ...AND POSSIBLY SOME SMALL HAIL...WILL ACCOMPLY THIS STORM AS IT MOVES ACROSS HOLT COUNTY BETWEEN 1130 AM AND 1230 PM. OTHER STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...THE STRONGEST ABOUT 30 MILES NORTH OF TOPEKA. ALL THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR.
Special weather statement, Sep 14, 12:39 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 1230 PM CDT MON SEP 14 1987 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST AND EASTCENTRAL KANSAS AND PORTIONS OF NORTHWEST AND WESTCENTRAL MISSOURI UNTIL 4 PM... AT 1230 PM...A SMALL CLUSTER OF THUNDERSTORMS...SOME VERY STRONG... WAS IN NORTHEAST KANSAS AND NORTHWEST MISSOURI. A VERY STRONG THUNDERSTORM WAS OVER ST JOSEPH MISSOURI AND WAS MOVING SOUTHEAST AT 15 MILES AN HOUR AND WILL MOVE INTO CLINTON COUNTY MISSOURI AROUND 1PM. AT 1230 PM ST JOSEPH REPORTED VERY HEAVY RAIN ...WINDS GUSTS TO 40 MILES AN HOUR AND 1/8 INCH HAIL. OTHER STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...THE STRONGEST ABOUT 25 MILES NORTHEAST OF TOPEKA. THIS STORM WILL MOVE INTO LEAVENWORTH COUNTY KANSAS AROUND 1PM. A PERIOD OF VERY HEAVY RAIN WILL ACCOMPLY THE STRONGER STORMS...AND SOME WILL HAVE WIND GUST TO 40 TO 50 M8ILES AN HOUR...AND POSSIBLY HAIL. ALL THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 1:14 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 61 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 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.