Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 11, 1990, 10:25 PM CST for Monroe County, Saint Clair County, Illinois. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Mar 11, 1990, 10:25 PM CST (04:25 UTC)
- Expired
- Mar 11, 1990, 11:15 PM CST
- 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.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 4.4 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
- 15 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 996 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 120429 SVRSTL ILC119-133-163-MOC510-120515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1025 PM CST SUN MAR 11 1990 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...MADISON COUNTY...MONROE COUNTY...ST CLAIR COUNTY IN EAST CENTRAL MISSOURI THE INDEPENDENT CITY OF ...ST LOUIS CITY AT 1025 PM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING ACROSS THE ST LOUIS METROPOLITAN AREA. THE LEADING EDGE OF STORMS WAS MOVING INTO ST LOUIS CITY...AND WILL BE MOVING INTO THE EAST PORTION OF THE METROPOLITAN AREA BETWEEN 1030 AND 1115 PM. THE STORMS WERE MOVING TO THE EAST AROUND 45 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADqLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. 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, Mar 11, 7:45 PM CST, 2 hours 40 minutes before
MOZ010-014-120250 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 745 PM CST SUN MAR 11 1990 ...THUNDERSTORMS ARE MOVING THROUGH CENTRAL MISSOURI THIS EVENING... AT 740 PM THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER MORGAN AND CAMDEN COUNTIES OF CENTRAL MISSOURI. THE STORMS WERE IN A LINE FROM 15 MILES EAST OF SEDALIA TO 40 MILES SOUTHWEST OF JEFFERSON CITY. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL PRODUCE A BRIEF PERIOD OF TORRENTIAL RAIN...STRONG WINDS AND POSSIBLY HAIL. IF YOU ARE IN MORGAN...CAMDEN...MONITEAU OR MILLER COUNTY BE PREPARED FOR THE STORMS BY STAYING INSIDE IF POSSIBLE. IF YOU ARE DRIVING IN THESE AREAS THIS EVENING WATCH FOR FLOODED ROADS. GOEBEL
Special weather statement, Mar 11, 8:39 PM CST, 1 hour 46 minutes before
MOZ010-014-120340 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 835 PM CST SUN MAR 11 1990 ...THUNDERSTORMS WITH STRONG WINDS ARE MOVING THROUGH CENTRAL MISSOURI THIS EVENING... AT 830 PM THUNDERSTORMS WITH VERY HEAVY RAIN AND STRONG WINDS WERE MOVING THROUGH CENTRAL MISSOURI. THE STORMS WERE IN A LINE FROM COLUMBIA TO JEFFERSON CITY TO ROLLA AND WERE MOVING NORTHEAST AT 35 MILES AN HOUR. A BRIEF PERIOD OF TORRENTIAL RAIN AND STRONG WINDS WILL OCCUR OVER BOONE...CALLAWAY...OSAGE AND MARIES COUNTIES BY 9 PM. STAY INSIDE IF POSSIBLE IF YOU ARE IN THESE COUNTIES. IF YOU ARE DRIVING THROUGH THE AREA WATCH FOR FLOODED ROADS. GOEBEL
Special weather statement, Mar 11, 8:42 PM CST, 1 hour 43 minutes before
MOZ010-014-017-120330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 840 PM CST SUN MAR 11 1990 ...A LINE OF STRONG THUNDERSTORMS EXTENDS ACROSS CENTRAL MISSOURI AND THE NORTHERN OZARKS THIS EVENING... AT 840 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS STRETCHING FROM NEAR JEFFERSON CITY IN COLE COUNTY TO NEAR FREEBURG IN SOUTHERN OSAGE COUNTY TO NEAR ROLLA IN PHELPS COUNTY. THE LINE WAS MOVING TO THE EAST AROUND 40 MPH. STRONG GUSTY WINDS MAY BE ASSOCIATED WITH THESE STORMS AS THEY MOVE EASTWARD ACROSS OSAGE...MARIES...AND PHELPS COUNTIES.
Special weather statement, Mar 11, 9:13 PM CST, 1 hour 12 minutes before
MOZ010-011-017-120330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 910 PM CST SUN MAR 11 1990 ...A LINE OF STRONG THUNDERSTORMS IS MOVING INTO EAST CENTRAL MISSOURI... AT 910 PM...RADAR INDICATED THE LEADING EDGE OF THUNDERSTORMS STRETCHED FROM NEAR MEXICO IN AUDRAIN COUNTY...TO NEAR ROSEBUD IN GASCONADE COUNTY TO NEAR CUBA IN CRAWFORD COUNTY. THE LEADING EDGE OF STORMS WAS ABOUT 50 MILES SOUTHWEST OF ST LOUIS. THE LINE OF STORMS WAS MOVING TO THE EAST AROUND 40 MPH. TROOP I IN ROLLA REPORTED SMALL TREE LIMBS DOWNED AS THE LINE PASSED THROUGHT THE ROLLA AREA...WITH NO SIGNIFICANT DAMAGE REPORTED. STRONG WINDS MAY BE ASSOCIATED WITH THESE STORMS AS THEY MOVE EASTW ARD ACROSS AUDRAIN...MONTGOMERY...GASCONADE...AND CRAWFORD COUNTIES UNTIL 945 PM.
Special weather statement, Mar 11, 9:16 PM CST, 1 hour 9 minutes before
MOZ010-014-120410 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 915 PM CST SUN MAR 11 1990 ...LINE OF THUNDERSTORMS HAS MOVED INTO EAST SECTIONS OF MID-MISSOURI... AT 910 PM THUNDERSTORMS WITH VERY HEAVY RAIN AND STRONG WINDS WERE IN A LINE FROM 30 MILES NORTHEAST OF COLUMBIA TO 30 MILES NORTHEAST OF ROLLA MOVING EAST AT 40 MILES AN HOUR. A BRIEF PERIOD OF TORRENTIAL RAIN AND STRONG WINDS WILL OCCUR IN AUDRAIN...MONTGOMERY AND GASCONADE COUNTIES BY 10 PM. STAY INSIDE IF POSSIBLE IF YOU ARE IN THESE COUNTIES. IF YOU ARE DRIVING THROUGH THE AREA WATCH FOR FLOODED ROADS. GOEBEL
Special weather statement, Mar 11, 9:34 PM CST, 51 minutes before
MOZ011-018-120400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 930 PM CST SUN MAR 11 1990 ...A LINE OF THUNDERSTORMS IS MOVING ACROSS EAST CENTRAL MISSOURI... AT 930 PM...RADAR INDICATED THE LEADING EDGE OF THUNDERSTORMS WAS MOVING ACROSS FRANKLIN COUNTY...AND EXTENDED SOUTHWARD TO NEAR THE CRAWFORD-WASHINGTON COUNTY LINE. AT 930 PM...THE POLICE IN NEW HAVEN IN NORTH FRANKLIN COUNTY REPORTED STRONG WINDS AND VERY HEAVY RAIN. STRONG GUSTY WINDS OF 40 TO 50 MPH AND VERY HEAVY RAIN MAY BE ASSOCIATED WITH THESE STORMS AS THEY MOVE EASTWARD ACROSS FRANKLIN AND WASHINGTON COUNTIES UNTIL 10 PM. THE LINE OF STORMS WILL MOVE INTO WEST ST CHARLES COUNTY AND JEFFERSON COUN(TIES AFTER 10 PM THIS EVENING.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 10:25 PM CST | Severe Thunderstorm Warning | LSX | Madison | 50 min |
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; the sounding from the Mesonet's radiosonde archive.