Alert archive / Illinois / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 53, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jul 26, 1987, 5:47 PM CDT for Coles County, Moultrie County, Illinois. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jul 26, 1987, 5:47 PM CDT (22:47 UTC)
- Expired
- Jul 26, 1987, 6:45 PM CDT
- In force
- 58 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Coles County, IL, Moultrie 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
Salem-Leckrone, IL (KSLO), launched 12:00Z, 10.8 hours before the alert went out and 111 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
- NaN m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 71 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 KSPI 262247 SVRSPI ILC139-029-262345- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD IL 547 PM CDT SUN JUL 26 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF EAST CENTRAL ILLINOIS...MOULTRIE AND WESTERN COLES AT 545 PM CDT WEATHER RADARS SHOWS A DSEVERE THUNDERSTORM NEAR SULLIVAN ILLINOIS IN MOULTRIE COUNTY. AT 543 PM CDT STATE POLICE REPORTS TREE LIMBS AND POWER LINES DOWN IN SULLIVAN ILLINOIS. THE SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AT 15 MPH. IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES. ATTN ISP DIST...10 HILLIARD
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, Jul 26, 2:55 PM CDT, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION ON DATE NATIONAL WEATHER SERVICE SPRINGFIELD IL 2 45 PM CDT SUN JUL 26 1987 ...SEVERE THUNDERSTORM WATCH CONTINUED FOR PORTIONS OF EAST CENTRAL ILLINOIS UNTIL 9 PM CDT THIS EVENING... AT 2 45 PM RADAR INDICATED STRONG THUNDERSTORMS NORTH OF MONTICELLO IN PIATT COUNTY..NORTHEAST OF URBANA IN CHAMPAIGN COUNTY AND SOUTH WEST OF ROSSVILLE IN NORTHERN VERMILION COUNTY. OTHER THUNDERSTORMS WERE DEVELOPING SOUbTHWEST AND SOUTHEAST OF BEARDSTOWN IN WEST CENTRAL ILLINOIS. THESE STORM WERE MOVING TO THE NORTHEAST AT 20 MPH. IF DANGEROUS WEATHER CONDITIONS APPROACH YOUR AREA...BE CAUTIOUS AND SEEK SHELTER. DAVIS
Special weather statement, Jul 26, 3:23 PM CDT, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 220 PM CDT SUN JUL 26 1987 ...THUNDERSTORMS DEVELOPING IN CENTRAL ILLINOIS... AT 215 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATES THE DE
Special weather statement, Jul 26, 3:24 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 320 PM CDT SUN JUL 26 1987 ...THUNDERSTORMS DEVELOPING IN CENTRAL ILLINOIS... AT 315 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATES THE DEVELOPMENT OF THUNDERSTORMS OVER THE NORTHERN HALF OF ILLINOIS. THUNDERSTORMS WERE INDICATED JUST SOUTH OF MOLINE...30 MILES EAST OF BRADFORD NEAR STREATOR...IN THE CHAMPAIGN/URBANA AREA...AND 20 MILES NORTHEAST OF QUINCY NEAR PLYMOUTH AND AUGUSTA. THE STORMS WERE MOVING SOUTHEAST AT ABOUT 30 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER NORTHERN AND CENTRAL ILLINOIS THIS EVENING AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM CDT. STAY ALERT FOR POSSIBLE WARNINGS. MONITO|R NOAA WEATHER RADIO OR YOUR FAVORITE RADIO OR TELEVISION STATION FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. MACH
Special weather statement, Jul 26, 3:47 PM CDT, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 2 45 PM CDT SUN JUL 26 1987 ...SEVERE THUNDERSTORM WATCH CONTINUED FOR PORTIONS OF EAST CENTRAL ILLINOIS UNTIL 9 PM CDT THIS EVENING... AT 3 45 PM RADAR INDICATED STRONG THUNDERSTORMS 15 MILES WEST OF CHAMPAIGN NEAR MONTICELLO AND LODGE...10 MILES NORTHWEST OF CHAMPAIGN NEAR MAHOMET...AND 20 MILES NORTHEAST OF CHAMPAIGN. THESE STORMS WERE SHOWING LITTLE MOVEMENT. OTHER THUNDERSTORMS WERE LOCATED IN WEST CENTRAL ILLLNOIS ALONG AND NEAR THE ILLINOIS RIVER. IF DANGEROUS WEATHER CONDITIONS APPROACH YOUR AREA...BE CAUTIOUS AND SEEK SHELTER. DAVIS
Special weather statement, Jul 26, 4:53 PM CDT, 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 4 45 PM CDT SUN JUL 26 1987 ...SEVERE THUNDERSTORM WATCH CONTINUED FOR PORTIONS OF EAST CENTRAL ILLINOIS UNTIL 9 PM CDT THIS EVENING... AT 4 45 PM RADAR INDICATED STRONG THUNDERSTORMS EXTENDING FROM 25 MILES NORTHWEST OF CHAMPAIGN TO 25 MILES SOUTHWEST OF CHAMPAIGN. THESE THUNDERSTORMS ARE IN THE VICINITY OF LODGE...MONTICELLO AND BEMENT. DURING THE PAST HOUR PEA SIZE HAIL AND WIND GUSTS TO 35 MPH WERE REPORTED BY STATE POLICE AT DELAND ILLINOIS 20 MILES WEST OF CHAMPAIGN. MARBLE SIZE HAIL AT MONTICELLO ILLINOIS 20 MILES WEST OF CHAMPAIGN. IF DANGEROUS WEATHER CONDITIONS APPROACH YOUR AREA...BE CAUTIOUS AND SEEK SHELTER. DUE TO THE SLOW MOVEMENT OF THESE STORMS BE ALERT TO LOCAL FLOODING CONDITIONS. DAVIS
Special weather statement, Jul 26, 5:26 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 525 PM CDT SUN JUL 26 1987 ...STRONG THUNDERSTORM MOVING INTO WOODFORD AND NORTHERN TAZEWELL CO... AT 520 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM MOVING INTO WOODFORD COUNTY IN CENTRAL ILLINOIS. STRONG WINDS AND HEAVY RAIN REDUCING VISIBILITY TO NEAR ZERO WAS REPORTED WITH THIS STORM AS IT MOVED THROUGH CHILLICOTHE...25 MILES NORTH OF PEORIA. PEOPLE IN WESTERN WOODFORD AND NORTHERN TAZEWELL COUNTIES SHOULD BE ON THE LOOKOUT FOR STRONG GUSTY WINDS...HEAVY RAINS AND POSSIBLE SMALL HAIL AS THIS STORM MOVES THROUGH THE AREA. THE THUNDERSTORM WAS MOVING TO THE SOUTHEAST AT 25 MPH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF NORTHERN AND CENTRAL ILLINOIS UNTIL 9PM CDT...AND PARTS OF EASTERN ILLINOIS UNTIL 11PM CDT THIS SUNDAY EVENING. LAST
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 3:32 PM CDT | Severe Thunderstorm Warning | ILX | Ogle, Stephenson | 43 min |
| Jul 26, 4:21 PM CDT | Severe Thunderstorm Warning | ILX | Boone, DeKalb, Winnebago | 54 min |
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; the sounding from the Mesonet's radiosonde archive.