Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 90, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Sep 27, 1990, 8:15 PM CDT for Daviess County, Grundy County, Missouri. It was in force for 45 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 27, 1990, 8:15 PM CDT (01:15 UTC)
- Expired
- Sep 27, 1990, 9:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Daviess County, MO, Grundy 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 |
|---|---|---|---|
| Sep 27, 8:45 PM CDT | Hail 0.75 | Grundy, 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
Topeka, KS (KTOP), launched 00:00Z, 1.3 hours before the alert went out and 197 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
- 902 J/kg
- Mixed-layer CIN
- -183 J/kg
- Mixed-layer LCL
- 2024 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 162 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 KMCI 280118
SVRMCI
MOC061-079-280200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
815 PM CDT THU SEP 27 1990
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST MISSOURI
...NORTHEASTERN DAVIESS
IN NORTH CENTRAL MISSOURI
...GRUNDY
AT 810 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES W OF
TRENTON MISSOURI IN WESTERN GRUNDY COUNTY...MOVING EAST AT 25 MPH.
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL AND HEAVY RAIN.
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.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 27, 6:55 PM CDT, 1 hour 20 minutes before
MOZ004-008-270030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 650 PM CDT THU SEP 27 1990 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEAST DEKALB..SOUTHERN HARRISON AND NORTHERN DAVIESS COUNTIES IN NORTHWEST MISSOURI UNTIL 715 PM CDT. AT 645 PM RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES SOUTH OF PATTONSBURG..IN DAVIESS COUNTY. THIS STORM WAS MOVING EAST AT 25 MPH. THIS STORM HAD PORDUCED GOLF BALL SIZE HAIL EARLIER AS IT PASSED THROUGH SOUTHERN GENTRY COUNTY. IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE SHELTER QUICKLY.
Special weather statement, Sep 27, 8:01 PM CDT, 14 minutes before
MOZ004-008-270200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 800 PM CDT THU SEP 27 1990 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN GRUNDY..NORTHERN LIVINGSTON AND NORTHERN DAVIESS COUNTIES IN NORTHWEST AND NORTHCENTRAL MISSOURI UNTIL 815 PM... AT 755 PM RADAR INDICATED SEVERE THUNDERSTORMS OVER NORTHEAST DAVIESS COUNTY AND SOUTHWEST GRUNDY COUNTY. THESE STORMS WERE MOVING EAST AT 25 MPH. THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL AND VERY HEAVY RAIN. IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE SHELTER QUICKLY.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 7:20 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Livingston | 55 min |
| Sep 27, 9:00 PM CDT | Severe Thunderstorm Warning | EAX | Livingston | 30 min |
| Sep 27, 10:54 PM CDT | Severe Thunderstorm Warning | EAX | Randolph | 41 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.