Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Mar 13, 1990, 3:24 PM CST for McHenry County, Illinois. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Mar 13, 1990, 3:24 PM CST (21:24 UTC)
- Expired
- Mar 13, 1990, 4:00 PM CST
- In force
- 36 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
County McHenry 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 hours before the alert went out and 241 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
- 1706 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 45 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 KCHI 132124
SVRCHI
ILC111-132230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
324 PM CST TUE MAR 13 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 PM CST FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTHEAST PART OF ILLINOIS
WESTERN MCHENRY
AT 3 15 PM TREE AND BARN DAMAGE WAS REPORTED AT GENOA...25 MILES
SOUTHEAST OF ROCKFORD ILLINOIS. THE STORM WAS MOVING NORTHEAST
AT 40 MILES AN HOUR. TOWNS IN THE PATH OF THIS STORM PRODUCING
THIS DAMAGE INCLUDE UNION AND WOODSTOCK.
IF YOU ARE IN AN AREA THREATENED BY THIS STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL..VERY HEAVY RAIN
AND LIGHTNING.
INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN INDOORS STAY
AWAY FROM WINDOWS AND DOORS...AVOID USING TELEPHONES AND ELECTRICAL
EQUIPMENT.
PURPURA
ATTN ISP 2What 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 13, 11:47 AM CST, 3 hours 37 minutes before
ILZ-001-002-131830 SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE ROCKFORD IL 11 38 AM CST TUE MAR 13 1990 ...STRONG THUNDERSTORM MOVING OUT OF SOUTHERN BOONE COUNTY... ...STRONG THUNDERSTORM ALSO MOVING INTO CENTRAL DE KALB COUNTY... AT 11 25 AM CST...RADAR INDICATED A STRONG THUNDERSTORM OVER THE SOUTHEASTERN PORTION OF BOONE COUNTY...ABOUT 10 MILES SOUTHEAST OF BELVIDERE OR ABOUT 20 MILES SOUTHEAST OF ROCKFORD. MARBLE SIZED HAIL WAS REPORTED IN THIS STORM BY THE BOONE COUNTY SHERRIFS DEPARTMENT. THE STROM WAS MOVING TO THE NORTHEAST AT 40 MPH...INTO SOUTHWESTERN MC HENDRY COUNTY. ANORTHER STORM WAS ALSO MOVING INTO CENTRAL DEKALB COUNTY FROM NORTH- EASTERN LEE COUNTY. THE ILLINOIS STATE POLICE REPORTED PEA SIZED HAIL WITH THIS STORM AROUND 8 MILES SOUTH OF ROCHELLE...OR ABOUT 28 MILES SOUTH OF ROCKFORD. PERSONS IN CENTRAL DE KALB COUNTY CAN EXPECT SMALL HAIL AND STRONG GUSTY WINDS FROM THIS THUNDERSTORM DURING THE NEXT HALF HOUR. ATTN ISP DIST...1. SANDERS
Special weather statement, Mar 13, 11:49 AM CST, 3 hours 35 minutes before
ILZ003-151900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 11 45 AM CST TUE MAR 13 1990 AT 11 45 AM A STRONG THUNDERSTORM WAS LOCATED 8 MILES WEST OF CRYSTAL LAKE ILLINOIS OR 45 MILES NORTHWEST OF DOWNTOWN CHICAGO WITH HAIL. THIS STORM WAS MOVING EAST NORTHEAST AT 40 MPH AND THE FOLLOWING TOWNS OF WAUCONDA...LIBERTYVILLE...WAUKEGAN ARE IN THE PATH OF THIS STORM. MORRISON
Special weather statement, Mar 13, 11:53 AM CST, 3 hours 31 minutes before
ILZ003-151900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 11 53 AM CST TUE MAR 13 1990 AT 11 45 AM A STRONG THUNDERSTORM WAS LOCATED JUST NORTH OF ODELL IN NORTHERN LIVINGSTON COUNTY OR ABOUT 35 MILES WEST OF KANKANKEE. HAIL IS LIKELY WITH THIS STORM AS IT MOVES EAST NORTHEAST AT 40 MPH. THE STORM IS MOVING TOWARD UNION HILL AND SHOULD PASS JUST NORTH OF KANKAKEE. MORRISON
Special weather statement, Mar 13, 3:08 PM CST, 16 minutes before
ILZ-001-002-132200 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCKFORD IL 305 PM CST TUE MAR 13 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT TIL 8PM CST FOR PORTIONS OF NORTHWEST ILLINOIS... A SEVERE THUNDERSTORM WATCH IS IN EFFECT TIL 8 CST THIS EVENING FOR THE FOLLOWING NORTHWEST ILLINOIS COUNTIES...JO DAVIESS..STEPHENSON.. CAROLL..AND WHITESIDE. AT 305 CST THIS AFTERNOON AREA RADARS SHOWED NUMEROUS THUNDERSTORMS COVERING MUCH OF IOWA..SOUTHERN WISCONSIN..AND NORTHWEST ILLINOIS. MOST OF THE STORMS WERE MOVING TO THE NORTHEAST AT 30 TO 40 MPH. A NUMBER OF WARNINGS WERE ISSUED EARLY THIS AFTERNOON FOR SEVERAL THESE THUNDERSTORMS. THE OUTLOOK CALLS FOR A GOOD POSSIBILITY OF MORE WARNINGS BEING ISSUED. ALL PERSONS IN OR NEAR THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR SEVERE WEATHER CONDITIONS. . REPORT ALL SEVERE WEATHER SIGHTINGS TO YOUR NEAREST LOCAL LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE. FIELDjS
Special weather statement, Mar 13, 3:20 PM CST, 4 minutes before
ILZ-001-002-132230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCKFORD IL 3 18 PM CST TUE MAR 13 1990 ...THUNDERSTORM WITH HAIL MOVING THROUGH STEPHENSON COUNTY... AT 3 10 PM CST...RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS OVER THE EASTERN HALF OF STEPHENSON COUNTY. THE SHEPHENSON COUNTY SHERRIFS DEPARTMENT REPORTED 1/2 INCH HAIL AT PERAL CITY...JUST WEST OF FREEPORT OR ABOUT 40 MILES WEST OF ROCKFORD...FROM THIS THUNDERSTORM. THE STORM WAS MOVING TO THE NORTHEAST AT 30 MPH. PERSONS IN EASTERN STEPHENSON COUNTY CAN EXPECT STRONG GUSTY WINDS AND HAIL FROM THIS STORM DURING THE NEXT HALF HOUR. ATTN IST DIST: 16. SANDERS . REPORT ALL SEVERE WEATHER SIGHTINGS TO YOUR NEAREST LsOCAL LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE. FIELDS
Special weather statement, Mar 13, 3:21 PM CST, 3 minutes before
ILZ-001-002-132230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCKFORD IL 3 18 PM CST TUE MAR 13 1990 ...THUNDERSTORM WITH HAIL MOVING THROUGH STEPHENSON COUNTY... AT 3 10 PM CST...RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS OVER THE EASTERN HALF OF STEPHENSON COUNTY. THE SHEPHENSON COUNTY SHERRIFS DEPARTMENT REPORTED 1/2 INCH HAIL AT PERAL CITY...JUST WEST OF FREEPORT OR ABOUT 40 MILES WEST OF ROCKFORD...FROM THIS THUNDERSTORM. THwE STORM WAS MOVING TO THE NORTHEAST AT 30 MPH. PERSONS IN EASTERN STEPHENSON COUNTY CAN EXPECT STRONG GUSTY WINDS AND HAIL FROM THIS STORM DURING THE NEXT HALF HOUR. ATTN IST DIST: 16. SANDERS
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 12:29 PM CST | Severe Thunderstorm Warning | LOT | Grundy, Will | 61 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.