Alert archive / Illinois / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 54, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 3, 1987, 9:45 PM CDT for Fayette County, Illinois. It was in force for 60 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
- Aug 3, 1987, 9:45 PM CDT (02:45 UTC)
- Expired
- Aug 3, 1987, 10:45 PM CDT
- In force
- 60 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Fayette 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 |
|---|---|---|---|
| Aug 3, 10:00 PM CDT | Thunderstorm Wind 0 | Fayette, 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
Salem-Leckrone, IL (KSLO), launched 00:00Z, 2.8 hours before the alert went out and 40 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
- 1065 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1652 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 61 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 040243 SVRSTL ILC051-040345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 945 PM CDT MON AUG 3 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT FOR THE FOLLOWING COUNTY OF SOUTH CENTRAL ILLINOIS... FAYETTE AT 940 PM RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHWEST FAYETTE COUNTY IN ILLINOIS. PROTECT YOURSELF FROM DAMA!GING WINDS...LARGE HAIL AND LIGHTNING BY STAYING IN A BUILDING...AWAY FROM WINDOWS. DO NOT USE THE TELEPHONE OR ELECTRICAL APPLIANCES...EXCEPT IN EMERGENCIES. BROWNING
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, Aug 3, 6:05 PM CDT, 3 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 605 PM CDT MON AUG 3 1987 A PORTION OF THE SEVERE THUNDERSTORM WATCH NUMBER 465 HAS BEEN CANCELLED OVER NORTH CENTRAL MISSOURI. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT SOUTH OF A LINE FROM 20 MILES NORTHWEST OF BURLINGTON IOWA TO 25 MILES WEST OF KIRKSVILLE TO 30 MILES EAST OF ST JOSEPH MISSOURI UNTIL 9 PM CDT. BROWNING
Special weather statement, Aug 3, 6:56 PM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 650 PM CDT MON AUG 3 1987 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH COUNTIES OF CENTRAL MISSOURI UNTIL 9 OCLOCK TONIGHT... ...THUNDERSTORMS WITH VERY HEAVY SHOWERS...BUT NO SEVERE WEATHER IN CENTRAL MISSOURI....... AT 645 PM CDT COLUMBIAS RADAR SHOWED SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY SHOWERS..IN WEST AND NORTH CENTRAL MISSOURI. THESE WERE NORTHWEST OF A LINE EXTENDING FROM 75 MILES WEST OF COLUMBIA TO MARSHALL ..ABOUT 50 MILES NORTHWEST OF COLUMBIA ON UP TO ABOUT 15 MILES NORTHEAST OF KIRKSVILLE. THE HEAVIEST SHOWERS WERE SCATTERED BETWEEN KIRKSVILLE AND BYNUMVILLE AND BETWEEN MARSHALL AND PIT8TSVILLE..ABOUT 30 MILES SOUTHEAST OF KIRKSVILLE. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AROUND 20 MILES AN HOUR.
Special weather statement, Aug 3, 7:01 PM CDT, 2 hours 44 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE COLUMBIA MO 650 PM CDT MON AUG 3 1987 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH COUNTIES OF CENTRAL MISSOURI UNTIL 9 OCLOCK TONIGHT... ...THUNDERSTORMS WITH VERY HEAVY SHOWERS...BUT NO SEVERE WEATHER IN CENTRAL MISSOURI....... AT 645 PM CDT COLUMBIAS RADAR SHOWED SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY SHOWERS..IN WEST AND NORTH CENTRAL MISSOURI. THESE WERE NORTHWEST OF A LINE EXTENDING FROM 75 MILES WEST OF COLUMBIA TO MARSHALL ..ABOUT 50 MILES NORTHWEST OF COLUMBIA ON UP TO ABOUT 15 MILES NORTHEAST OF KIRKSVILLE. THE HEAVIEST SHOWERS WERE SCATTERED BETWEEN KIRKSVILLE AND BYNUMVILLE AND BETWEEN> MARSHALL AND PITTSVILLE..ABOUT 30 MILES SOUTHEAST OF KANSAS CITY. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AROUND 20 MILES AN HOUR.
Special weather statement, Aug 3, 7:58 PM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 755 PM CDT MON AUG 3 1987 SCATTERED THUNDERSTORMS WERE OCCURRING OVER PORTIONS OF NORTHERN MISSOURI AND WEST CENTRAL ILLINOIS THIS EVENING. AT 745 PM... WIND GUSTS OF 40 TO 45 MPH WERE REPORTED IN SOUTHERN GREEN AND NORTHERN JERSEY COUNTIES IN WEST CENTRAL ILLINOIS. MINOR DAMAGE TO A SHED IN JERSEY COUNTY WAS REPORTED. THESE GUSTY WINDS CAN BE EXPECTED WITH THE THUNDERSTORMS OVER NORTHEAST MISSOURI AS WELL. ALTHOUGH THE WINDS ARE NOT CONSIDERED SEVERE...THE WIND IS STRONG ENOUGH TO BLOW UNSECURED OBJECTS AROUND. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9PM OVER PORTIONS OF NORTHEAST MISSOURI. BROWNINGi
Special weather statement, Aug 3, 9:18 PM CDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 915 PM CDT MON AUG 3 1987 SCATTERED THUNDERSTORMS HAD DEVELOPED OVER EAST CENTRAL MISSOURI AND SOUTHWESTERN ILLINOIS. THESE THUNDERSTORMS WERE PRODUCING SCATTERED WIND GUSTS BETWEEN 40 AND 50 MPH AND PRODUCING MINOR DAMAGE. SCATTERED THUNDERSTORMS WERE OCCURRING OVER PORTIONS OF NORTHERN AND CENTRAL MISSOURI AS WELL AND ARE ALSO CAPABLE OF PRODUCING GUSTY WINDS. TREE LIMBS AND POWER LINES WERE REPORTED DOWN IN GODFREY ILLINOIS AT 815 PM. STRONG AND GUSTY WINDS WERE ALSO REPORTED IN ST LOUIS. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 25 TO 30 MPH.
Special weather statement, Aug 3, 9:19 PM CDT, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 915 PM CDT MON AUG 3 1987 ...THUNDERSTORMS WITH HEAVY RAIN MOVING THROUGH CENTRAL MISSOURI... AT 910 PM CDT COLUMBIA RADAR SHOWED A LINE OF THUNDERSTORMS WITH HEAVY RAIN OVER NORTHWEST CENTRAL MISSOURI. THE STORMS WERE IN AN AREA 30 MILES WIDE NORTHWEAT OF A LINE EXTENDING FROM NORTH OF MACON OR 50 MILES NORTH OF COLUMBIA TO FAYETTE OR 25 MILES NORTHWEST OF COLUMBIA JUST NORTH OF SEDALIA. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT AROUND 25 MILES AN HOUR AND WILL BE MOVING THROUGH THE COLUMBIA AREA BETWEEN 10 AND 1030 PM. HEAVY RAIN AND GUSTY WIND TO AROUND 40 MILES AN HOUR CAN BE EXPECTED WITH THE STORMS. MET
Nearby
Severe Thunderstorm Warnings in Illinois, 1987Every severe thunderstorm warning in 1987
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.