Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 67, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 30, 1990, 11:34 AM CDT for Menard County, Sangamon County, Illinois. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1990, 11:34 AM CDT (16:34 UTC)
- Expired
- Jun 30, 1990, 12:30 PM CDT
- In force
- 56 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Menard County, IL, Sangamon 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, 4.6 hours before the alert went out and 326 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
- 18 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 102 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 KPIA 301634
SVRSPI
ILC129-167-301730-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
ISSUED BY PEORIA IL
1134 AM CDT SAT JUN 30 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1230 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
MENARD...SANGAMON
AT 1130 AM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
5 MILES NORTH OF THE CITY OF SPRINGFIELD. THE STORM IS MOVING
SOUTHEAST AT 30 MILES AN HOUR AND WILL AFFECT THE CITY OF
SPRINGFIELD AND SURROUNDING AREAS BY NOON.
THE WARNING INCLUDES THE CITY OF SPRINGFIELD.
IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND LIGHTNING.
THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES.
ATTN ISP...9
J LAST/MILLERWhat 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, Jun 30, 9:48 AM CDT, 1 hour 46 minutes before
ILZ006-009-301530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 945 AM CDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL ILLINOIS... AT 940 AM CDT...RADAR INDICATED SCATTERED THUNDERSTORMS MOVING ACROSS THE MISSISSIPPI RIVER INTO HANCOCK AND EXTREME SOUTHERN HENDERSON COUNTIES. THE STRONGEST STORM WAS IN SOUTHEAST IOWA 20 MILES SOUTHWEST OF BURLINGTON IOWA. THE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. IN ADDITION...THUNDERSTORMS PRODUCING HEAVY RAIN HAD DEVELOPED IN MCDONOUGH AND SOUTHERN FULTON COUNTIES. VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS GROUND STROKES OF LIGHTNING CAN BE EXPECTED WITH THESE THUNDERSTORMS. MILLER/J LAST
Special weather statement, Jun 30, 10:32 AM CDT, 1 hour 2 minutes before
ILZ009-010-301530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1030 AM CDT SAT JUN 30 1990 AT 1030AM CDT ANOTHER THUNDERSTORM PRODUCING TORRENTIAL RAIN WAS HEADING TOWARD SPRINGFIELD. IT WAS 25 MILES IN DIAMETER AND CENTERED 35 MILES NORTHWEST OF SPRINGFIELD. IT WILL BE IN THE SPRINGFIELD AREA IN THE HOUR BEFORE 11.30 AM CDT. PERSONS IN THE PATH OF THE STORM SHOULD EXPECT HEAVY RAIN...SMALL HAIL...DANGEROUS LIGHTNING AND GBUSTY WINDS. FS
Special weather statement, Jun 30, 11:01 AM CDT, 33 minutes before
ILZ009-010-301630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 11 AM CDT SAT JUN 30 1990 ...MARBLE SIZED HAIL REPORTED IN MENARD COUNTY... AT 11AM CDT A THUNDERSTORM PRODUCING MARBLE SIZED HAIL AND TORRENTIAL RAIN WAS REPORTED IN GREENVIEW IN NORTHEASTERN MENARD COUNTY...25 MILES NORTHWEST OF SPRINGFIELD. ANOTHER THUNDERSTORM PRODUCING HEAVY RAIN WAS JUST ENTERING NORTHWESTERN MENARD COUNTY. OTHER THUNDERSTORMS WERE IN SANhGAMON...MORGAN...CASS AND NORTHERN MONTGOMERY COUNTIES. ALL OF THE STORMS WERE MOVING TOWARD THE SOUTHEAST AT 35 TO 40 MPH. PERSONS IN THESE STORM AREAS SHOULD EXPECT HEAVY RAIN...HAIL ...DANGEROUS LIGHTNING AND GUSTY WINDS. FS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:55 AM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Montgomery, Sangamon | 35 min |
| Jun 30, 10:34 AM CDT | Severe Thunderstorm Warning | ILX | Clark | 56 min |
| Jun 30, 1:46 PM CDT | Flash Flood Warning | ILX | Fulton, Mason, Peoria, Tazewell | 119 min |
| Jun 30, 3:30 PM CDT | Flash Flood Warning | ILX | Stephenson | 3 hr |
| Jun 30, 3:30 PM CDT | Flash Flood Warning | ILX | Boone, DeKalb | 3 hr |
| Jun 30, 3:52 PM CDT | Flash Flood Warning | ILX | Carroll, Ogle | 3 hr |
| Jun 30, 4:19 PM CDT | Flash Flood Warning | ILX | Peoria | 116 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.