Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 93, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 3, 1990, 6:55 PM CDT for Monroe County, Saint Clair County, Illinois. It was in force for 50 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
- Oct 3, 1990, 6:55 PM CDT (23:55 UTC)
- Expired
- Oct 3, 1990, 7:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Saint Clair County, IL
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 3, 7:40 PM CDT | Thunderstorm Wind 0 | St. Clair, 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, 11.9 hours before the alert went out and 188 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
- 45 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 52 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 032355
SVRSTL
ILC133-163-040045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
655 PM CDT WED OCT 3 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST ILLINOIS
...MONROE...ST CLAIR
AT 655 PM CDT...RADAR INDICATED SEVERE THUNDERSTORMS NEAR FULTS IN
MONROE COUNTY AND NEAR DUPO IN ST CLAIR COUNTY. THE STORMS WERE MOVING
TO THE EAST AROUND 50 MPH.
A TORNADO WATCH IS ALSO IN EFFECT 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.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, Oct 3, 3:39 PM CDT, 3 hours 16 minutes before
MOZ012-IL011-032130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 337 PM CDT WED OCT 3 1990 ...STRONG THUNDERSTORMS MOVING INTO THE ST. LOUIS METRO AREA... AT 330 PM CDT...AN AREA OF STRONG THUNDERSTORMS WAS MOVING INTO THE WESTERN PORTIONS OF ST. CHARLES COUNTY MISSOURI. THE FORWARD EDGE OF THESE STORMS WAS ABOUT 25 MILES WEST OF ST. LOUIS...MOVING TO THE NORTHEAST AT 30 MPH. THESE STORMS WILL BE MOVING INTO THE ST. LOUIS METRO AREA BY 415 PM...INCLUDING THE COUNTIES OF ST. CHARLES AND ST. LOUIS. STRONG GUSTY WINDS AND BRIEF HEAVY RAIN CAN BE EXPECTED WITH THE PASSAGE OF THESE STORMS. IF YOU ARE IN THEIR PATH...MOVE TO SHELTER. GOETSCH
Special weather statement, Oct 3, 4:08 PM CDT, 2 hours 47 minutes before
MOZ012-IL011-032200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 400 PM CDT WED OCT 3 1990 ...STRONG THUNDERSTORMS ARE MOVING ACROSS PARTS OF ST. LOUIS... AT 4 PM...AN AREA OF SHOWERS AND THUNDERSTORMS WAS ENTERING WEST SECTIONS OF THE ST. LOUIS METRO AREA. THE STRONGER OF THE STORMS WILL BE PRODUCING A PERIOD OF HEAVY RAIN AND GUSTY WINDS TO 45 MPH. SHOWERS AND THUNDERSTORMS CAN BE IN THE AREA BETWEEN 4 AND 7 PM. RUSH HOUR MOTORISTS SHOULD EXPECT DELAYS CAUSED BY WET AND SLIPPERY ROADS. FELDT
Special weather statement, Oct 3, 5:56 PM CDT, 59 minutes before
MOZ017-032330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 550 PM CDT THU OCT 3 1990 ...STRONG THUNDERSTORMS WERE LOCATED ACROSS CRAWFORD AND DENT COUNTIES... AT 550 PM...RADAR INDICATED STRONG THUNDERSTORMS NEAR STEELVILLE IN CRAWFORD COUTNY EXTENDING TO NEAR SALEM IN DENT COUNTY. STEELVILLE IS ABOUT 20 MILES EAST NORTHEAST OF ROLLA. THE STORMS WERE MOVING TO THE NORTHEAST AROUND 30 MPH. PERSONS IN CRAWFORD AND DENT COUTNTIES OF EAST CENTRAL MISSOURI SHOULD REMAIN ALERT FOR THE POSSIBLILITY OF STRONG GUSTY WINDS AND VERY HEAVY RAIN BETWEEN 550 PM AND 645 PM THIS EVENING.
Special weather statement, Oct 3, 6:40 PM CDT, 15 minutes before
MOZ012-018-040030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 640 PM CDT THU OCT 3 1990 ...STRONG THUNDERSTORMS WERE MOVING ACROSS EAST CENTRAL MISSOURI... AT 640 PM...RADAR INDICATED A STRONG LINE OF THUNDERSTORMS WAS MOVING ACROSS JEFFERSON COUNTY. THIS LINE EXTENDED ACROSS NORTHWEST ST FRANCOIS COUNTY AND INTO REYNOLDS COUNTY. THE STORMS WERE MOVING TO THE EAST AROUND 50 MPH. PERSONS IN JEFFERSON...ST FRANCOIS...AND REYNOLDS COUNTIES SHOULD REMAIN ALERT FOR THE POSSIBLILITY OF STRONG GUSTY WINDS AND VERY HEAVY RAIN BETWEEN 640 PM AND 700 PM THIS EVENING.
Nearby
Severe Thunderstorm Warnings in Illinois, 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.