Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 94, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 17, 1990, 4:25 PM CDT for Adams County, Pike County, Illinois; Marion County, Ralls County, Missouri. It was in force for 50 min. 3 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
- Oct 17, 1990, 4:25 PM CDT (21:25 UTC)
- Expired
- Oct 17, 1990, 5:15 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Pike County, IL, Marion County, MO, Ralls 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 |
|---|---|---|---|
| Oct 17, 4:35 PM CDT | Thunderstorm Wind 0 | Marion, MO | |
| Oct 17, 4:35 PM CDT | Thunderstorm Wind 0 | Ralls, MO | |
| Oct 17, 4:50 PM CDT | Thunderstorm Wind 0 | Pike, IL |
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
Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.4 hours before the alert went out and 373 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 244 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 KSTL 172128
SVRSTL
ILC001-149-MOC127-173-172215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
425 PM CDT WED OCT 17 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST CENTRAL ILLINOIS
...ADAMS...PIKE
IN NORTHEAST MISSOURI
...MARION...RALLS
AT 420 PM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 2
MILES WEST OF HANNIBAL TO 25 MILES SOUTHWEST OF HANNIBAL. THE HANNIBAL
EMERGENCY OPERATIONS CENTER REPORTED WINDS 50 TO 60 MPH
THESE STORMS WERE MOVING NORTHEAST AT 35 MPH.
A TORNADO WATCH IS ALSO IN EFFEZCT 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.
TUCKERWhat 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, Oct 17, 10:36 AM CDT, 5 hours 49 minutes before
MOZALL-180200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1030 AM CDT WED OCT 17 1990 ...SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF MISSOURI THIS AFTERNOON AND EVENING... SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP EARLY THIS AFTERNOON ACROSS MISSOURI. A FEW OF THE THUNDERSTORMS MAY BE SEVERE TO THE EAST OF A LINE FROM NEAR JOPLIN TO SEDALIA TO KIRKSVILLE. A STRONG COLD FRONT HAS PUSHED INTO THE NORTHWEST CORNER OF MISSOURI. SHOWERS AND THUNDERSTORMS ARE EXPECTED AHEAD OF THIS FRONT AS IT SWEEPS ACROSS THE STATE THIS AFTERNOON AND EARLY TONIGHT.
Special weather statement, Oct 17, 2:42 PM CDT, 1 hour 43 minutes before
MOZ006-009-010-013-014-172030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 230 PM CDT WED OCT 17 1990 ...A TORNADO WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI TIL 8PM... STRONG THUNDERSTORMS WERE DEVELOPING ALONG A NARROW LINE ABOUT 10 MILES WIDE...IN NORTH AND WEST CENTRAL MISSOURI FROM NEAR KIRKSVILLE TO 30 MILES WEST OF COLUMBIA TO 40 MILES SOUTH OF SEDALIA. THE LINE WAS MOVING EAST AT 35 MPH AND THE THUNDERSTORMS IN THE LINE WERE MOVING NORTHEAST AT 40 MPH. OTHER THUNDERSTORMS WITH BRIEF HEAVY RAIN WERE SCATTERED AHEAD OF THIS LINE THROUGHOUT THE REST OF CENTRAL MISSOURI. THE THUNDERSTORMS SHOULD MOVE QUICKLY THROUGH CENTRAL MISSOURI PRODUCING BRIEF HEAVY RAINS AND SOME HAIL. A TORNADO WATCH IS IN EFFECT UNTIL 8PM AND THE POTENTIAL FOR SEVERE WEATHER WILL CONTINUE UNTIL THE LINE OF STORMS PASS THROUGH THE AREA BETWEEN 230 AND 6PM. IT WILL TURN SHARPLY COLDER BEHIND THIS SYSTEM AND CONTINUE WINDY THROUGH THE NIGHT. LARM
Special weather statement, Oct 17, 3:53 PM CDT, 32 minutes before
MOZ003-006-007-011-012- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 348 PM CDT WED OCT 17 1990 ...A LINE OF STRONG THUNDERSTORMS EXTENDS FROM NORTHEAST THROUGH CENTRAL MISSOURI... AT 345 PM...A LINE OF THUNDERSTORMS EXTENDED FROM 30 MILES WEST OF HANNIBAL...MISSOURI TO NEAR COLUMBIA...MISSOURI. THESE STORMS WERE MOVING NORTHEAST AT 30 MPH. THE STORMS WILL MOVE THROUGH THE NORTHEAST MISSOURI COUNTIES OF MARION...RALLS...MONROE AND PIKE BETWEEN 400 AND 500 PM AND THROUGH THE ILLINOIS COUNTIES OF ADAMS... BROWN AND PIKE BETWEEN 430 AND 530 PM. THE STORMS WILL PRODUCE GUSTY WINDS...BRIEF HEAVY RAIN AND POSSIBLE HAIL. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND NORTHEAST MISSOURI UNTIL 8 PM. TUCKER
Special weather statement, Oct 17, 3:54 PM CDT, 31 minutes before
MOZ003-006-007-011-012-172200- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE ST LOUIS MO 348 PM CDT WED OCT 17 1990 ...A LINE OF STRONG THUNDERSTORMS EXTENDS FROM NORTHEAST THROUGH CENTRAL MISSOURI... AT 345 PM...A LINE OF THUNDERSTORMS EXTENDED FROM 30 MILES WEST OF HANNIBAL...MISSOURI TO NEAR COLUMBIA...MISSOURI. THESE STORMS WERE MOVING NORTHEAST AT 30 MPH. THE STORMS WILL MOVE THROUGH THE NORTHEAST MISSOURI COUNTIES OF MARION...RALLS...MONROE AND PIKE BETWEEN 400 AND 500 PM AND THROUGH THE ILLINOIS COUNTIES OF ADAMS... BROWN AND PIKE BETWEEN 430 AND 530 PM. THE STORMS WILL PRODUCE GUSTY WINDS...BRIEF HEAVY RAIN AND POSSIBLE HAIL. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND NORTHEAST MISSOURI UNTIL 8 PM. TUCKER
Special weather statement, Oct 17, 4:07 PM CDT, 18 minutes before
MOZ011-012-017-018-172230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 410 PM CDT WED OCT 17 1990 ...STRONG THUNDERSTORMS WILL MOVE THROUGH PORTIONS OF EAST CENTRAL MISSOURI... AT 400 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEAR HERMANN ...OR ABOUT 50 MILES WEST OF ST LOUIS TO NEAR EDGAR SPRINGS...OR ABOUT 85 MILES SOUTHWEST OF ST LOUIS. THESE STORMS WERE MOVING NORTHEAST AT 30 MPH. THE STORMS WILL PRODUCE BRIEF+ HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLE HAIL FOR WARREN...FRANKLIN...CRAWFORD AND LINCOLN COUNTIES BETWEEN 430 PM AND 600 PM. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND NORTHEAST MISSOURI UNTIL 8 PM. TUCKER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 5:19 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 41 min |
| Oct 17, 4:29 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 46 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Severe 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.