Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 100, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Nov 27, 1990, 1:17 PM CST for Adams County, Brown County, Illinois. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Nov 27, 1990, 1:17 PM CST (19:17 UTC)
- Expired
- Nov 27, 1990, 1:45 PM CST
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Brown 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 12:00Z, 7.3 hours before the alert went out and 379 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
- 189 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 280 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 271918 RRA SVRSTL ILC001-009-271945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 117 PM CST TUE NOV 27 1990 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN WEST CENTRAL ILLINOIS ...SOUTHERN ADAMS COUNTY...BROWN COUNTY AT 105 PM A SEVERE THUNDERSTORM WAS LOCATED JUST EAST OF THE HANNIBAL QUINCY AREA. BETWEEN 1 AND 145 PM THIS STORM WILL MOVE ACROSS SOUTHERN ADAMS AND BROWN COUNTIES OF ILLINOIS. 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, Nov 27, 7:32 AM CST, 5 hours 45 minutes before
MOZ007-271415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 720 AM CST TUE NOV 27 1990 AT 715 AM CST WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM NEAR ESTES MISSOURI IN SOUTHWEST PIKE COUNTY...OR 35 MILES SOUTH OF HANNIBAL MISSOURI. THIS STORM WAS MOVING NORTHEAST AT 35 MPH AND WILL TRACK ACROSS BOWLING GREEN MISSOURI BETWEEN 730 AND 800 AM THIS MORNING. GUSTY WINDS OF 35 TO 45 MPH AND VERY HEAVY RAIN MAY BE EXPECTED WITH THIS STORM.
Special weather statement, Nov 27, 10:10 AM CST, 3 hours 7 minutes before
MOZALL-271900-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
10 AM CST TUE NOV 27 1990
...THERE IS A CHANCE FOR SEVERE WEATHER THIS AFTERNOON ACROSS PARTS OF
MISSOURI...
AT 10 AM...TORNADO WATCHES COVERED A LARGE PART OF MISSOURI FROM THE
SOUTHWEST CORNER OF THE STATE ACROSS THE CENTRAL MISSOURI
OZARKS...INCLUDING SPRINGFIELD AND COLUMBIA.
SEVERE WEATHER IS EXPECTED ALONG A STRONG COLD FRONT THAT EXTENDS
ACROSS CENTRAL MISSOURI INTO OKLAHOMA. THE CONTRAST IN TEMPERATURE
ACROSS THIS FRONT WAS VERY OBVIOUS...WITH COLUMBIA IN THE MID 60S AND
ST JOSEPH MISSOURI IN THE MID 30S.
STRONGEST THUNDERSTORMS WERE LOCATED IN EAST OKLAHOMA AND KANSAS AT 10
AM. AS THE FRONT MOVES EAST...THE CHANCE FOR SEVERE THUNDERSTORMS
WILL INCREASE ACROSS THE STATE OF MISSOURI. BETWEEN 10 AM AND 4PM THE
THREAT WILL MAINLY BE ACROSS WEST AND CENTRAL SECTIONS. FROM MID
AFTERNOON INTO THE EVENING HOURS THE THREAT WILL SHIFT MORE INTO
EASTERN MISSOURI.
PEOPLE SHOULD MONITOR THE WEATHER SITUATION CLOSELY TODAY AND LISTEN
FOR POSSIBLE SEVERE WEATHER WARNINGS FROM THE NATIONAL WEATHER
SERVICE.
---------------------------------------------------------------------
ATTENTION MEDIA...ADDITIONAL INFORMATION WILL BE ISSUED THROUGH THE
FOLLOWING PRODUCTS.
STLNOWXXX SHORT RANGE WEATHER SUMMARY XXX = COU COLUMBIA
STLSPSXXX SPECIAL WEATHER STATEMENTS STL ST LOUIS
STLSVSXXX SEVERE WEATHER STATEMEHNTS MCI KANSAS CITY
SEVERE WEATHER WATCHES AND WARNINGS SGF SPRINGFIELD
----------------------------------------------------------------------
FELDTSpecial weather statement, Nov 27, 10:54 AM CST, 2 hours 23 minutes before
MOZALL-271900-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
11 AM CST TUE NOV 27 1990
...THERE IS A CHANCE FOR SEVERE WEATHER THIS AFTERNOON ACROSS CENTRAL
AND SOUTHWEST MISSOURI...
AT 11 AM...TORNADO WATCHES COVERED A LARGE PART OF MISSOURI FROM THE
SOUTHWEST CORNER OF THE STATE ACROSS THE CENTRAL MISSOURI OZARKS...
INCLUDING SPRINGFIELD...COLUMBIA AND TO JUST SOUTH OF QUINCY ILLINOIS.
SEVERE WEATHER IS EXPECTED SOUTHEAST OF A COLD FRONT THAT EXTENDS FROM
THE NORTHEAST CORNER TO JUST NORTH OF JOPLIN. THE TEMPERATURE WERE IN
THE 30S AND 40S NORTH OF THE FRONT...THE 70S WERE COMMON SOUTH OF IT.
AT 1015 AM...A TORNADO WARNING WAS ISSUED BY COLUMBIA WEATHER SERVICE
FOR PARTS OF CENTRAL MISSOURI...THIS INCLUDED EASTERN BENTON...
WESTERN MORGAN AND SOUTHERN COOPER UNTIL 1045 AM.
THREAT WILL MAINLY BE ACROSS WEST AND CENTRAL SECTIONS. FROM MID
AFTERNOON INTO THE EVENING HOURS THE THREAT WILL SHIFT MORE INTO
EASTERN MISSOURI.
PEOPLE SHOULD MONITOR THE WEATHER SITUATION CLOSELY TODAY AND LISTEN
FOR POSSIBLE SEVERE WEATHER WARNINGS FROM THE NATIONAL WEATHER
SERVICE.
---------------------------------------------------------------------
ATTENTION MEDIA...ADDITIONAL INFORMATION WILL BE ISSUED THROUGH THE
FOLLOWING PRODUCTS.
STLNOWXXX SHORT RANGE WEATHER SUMMARY XXX = COU COLUMBIA
STLSPSXXX SPECIAL WEATHER STATEMENTS STL ST LOUIS
STLSVSXXX SEVERE WEATHER STATEMENTS MCI KANSAS CITY
SEVERE WEATHER WATCHES AND WARNINGS SGF SPRINGFIELD
----------------------------------------------------------------------
ACQUAVIVASpecial weather statement, Nov 27, 11:29 AM CST, 1 hour 48 minutes before
MOZALL-271900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1128 AM CST TUE NOV 27 1990 ...STRONG STORMS ARE MOVING INTO MONROE AND SHELBY COUNTIES... AT 1125 PM...STRONG THUNDERSTORMS ARE MOVING ACROSS PARTS OF MONROE AND SHELBY COUNTIES OF NORTHEAST MISSOURI. THESE STORMS COULD PRODUCE VERY GUSTY WINDS...HAIL AND HEAVY DOWNPOURS AS THEY MOVE NORTHEAST AT 45 MPH. OTHER SEVERE STORMS WERE LOCATED IN CENTRAL MISSOURI NEAR COLUMBIA. THESE STORMS WILL ALSO MOVE ACROSS PARTS OF NORTHEAST MISSOURI DURING THE MIDDLE OF THE DAY. A TORNADO WATCH COVERS MUCH OF CENTRAL MISSOURI. PEOPLE IN CENTRAL AND NORTHEAST MISSOURI SHOULD CONTINUE TO MONITOR THIS SITUATION CLOSELY AND LISTEN FOR POSSIBLE WARNINGS. FELDT
Special weather statement, Nov 27, 12:21 PM CST, 56 minutes before
MOZALL-272000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 12 PM CST TUE NOV 27 1990 ...SEVERE THUNDERSTORMS ARE MOVING ACROSS NORTHEAST MISSOURI... TORNADO WATCHES COVER MUCH OF CENTRAL AND NORTHEAST MISSOURI. AT 1215 PM...A LINE OF VERY STRONG OR SEVERE THUNDERSTORMS EXTENDED FROM THE NORTHEAST TIP OF MISSOURI...TO NEAR COLUMBIA TO NEAR SPRINGFIELD. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 50 MILES AN HOUR. BETWEEN 1225 AND 1 PM...THESE POTENTIALLY SEVERE STORMS WILL MOVE ACROSS PARTS OF RALLS...MARION AND PIKE COUNTIES OF NORTHEAST MISSOURI. EARLIER TODAY...AROUND 1120 AM...A POSSIBLE TORNADO PRODUCED DAMAGE TO SEVERAL BUILDINGS AROUND COLUMBIA...INCLUDING A SHOPPING CENTER AND SEVERAL HOMES. ALTHOUGH NO RECENT REPORTS OF DAMAGE HAVE BEEN RECEIVED...THE STORMS STILL HAVE THE POTENTIAL FOR SEVERE WEATHER. PEOPLE IN THE WATCH AREA SHOULD KEEP ALERT TO THIS RAPIDLY CHANGING WEATHER SITUAoTION AND BE PREPARED TO SEEK SHELTER IF A WARNING IS ISSUED. FELDT
Special weather statement, Nov 27, 1:13 PM CST, 4 minutes before
MOZ007-IL006-IL009-271930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 108 PM CST TUE NOV 27 1990 ...A STRONG THUNDERSTORM IN PIKE COUNTY HAD MOVED INTO PIKE COUNTY ILLINOIS... TORNADO WATCHES COVER MUCH OF NORTHEAST MISSOURI AND WESTERN ILLINOIS AT 105 PM...A STRONG THUNDERSTORM HAD CROSSED THE MISSISSIPPI AND MOVED INTO PIKE COUNTY...ILLINOIS. THIS STORM WAS ABOUT 20 MILES SOUTHEAST OF HANNIBAL. THE STORM WAS MOVING NORTHEAST AT 50 MPH. STRONG WINDS HAVE BEEN REPORTED WITH THIS STORM. NO DAMAGE HAS BEEN REPORTED. THE SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIKE COUNTY MISSOURI AND PIKE COUNTY ILLINOIS UNTIL 130 PM. TUCKER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 8:47 PM CST | Severe Thunderstorm Warning | LSX | Clinton, Washington | 43 min |
| Nov 26, 8:47 PM CST | Severe Thunderstorm Warning | LSX | Perry | 43 min |
| Nov 27, 12:47 PM CST | Severe Thunderstorm Warning | LSX | Pike | 43 min |
| Nov 27, 3:02 PM CST | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 43 min |
| Nov 27, 3:23 PM CST | Severe Thunderstorm Warning | LSX | Madison | 67 min |
| Nov 27, 3:38 PM CST | Tornado Warning | LSX | Jersey | 37 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.