Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 12, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 9, 1990, 9:10 PM CDT for Lawrence County, Richland County, Wabash County, Illinois; Gibson County, Indiana. It was in force for 50 min. 4 reports 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
- May 9, 1990, 9:10 PM CDT (02:10 UTC)
- Expired
- May 9, 1990, 10:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Lawrence County, IL, Richland County, IL, Wabash County, IL, Gibson County, IN
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 |
|---|---|---|---|
| May 9, 9:15 PM CDT | Thunderstorm Wind 0 | Richland, IL | |
| May 9, 9:20 PM CDT | Thunderstorm Wind 0 | Wabash, IL | |
| May 9, 9:35 PM CDT | Thunderstorm Wind 0 | Lawrence, IL | |
| May 9, 9:45 PM CDT | Thunderstorm Wind 0 | Gibson, IN |
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
Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.2 hours before the alert went out and 182 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
- 602 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KEVV 100210
SVREVV
ILC101-159-185-INC051-100300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
910 PM CDT WED MAY 9 1990
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHEAST ILLINOIS
...LAWRENCE...RICHLAND...WABASH
IN SOUTHWEST INDIANA
...GIBSON
AT 910 PM CDT...A LARGE SEVERE THUNDERSTORM EXTENDED FROM SOUTHEAST OF
OLNEY ILLINOIS TO GRAYVILLE ILLINOIS...25 TO 45 MILES NORTHWEST OF
EVANSVILLE. THE STORM IS MOVING NORTHEAST AT 50 MPH. IF YOU ARE IN THE
PATH OF THIS STORM TAKE COVER IMMEDIATELY.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
RUNNELSWhat 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, May 9, 7:35 PM CDT, 1 hour 35 minutes before
INZALL-100130- PRECIPITATION NOWCAST NATIONAL WEATHER SERVICE INDIANAPOLIS IN 735 PM EST WED MAY 9 1990 A TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND WESTERN INDIANA UNTIL 1 AM EST. STRONG THUNDERSTORMS WERE ABOUT TO ENTER EXTREME NORTHWEST INDIANA. AT 725 PM EST...STRONG THUNDERSTORMS WERE FROM ABOUT 10 MILES WEST OF GARY TO ABOUT 15 MILES WEST OF CHAMPAIGN ILLINOIS TO NEAR CARBONDALE ILLINOIS. THE SOUTHERN PART OF THE LINE WAS MOVING EAST AT 25 TO 30 MILES PER HOUR WHILE THE NORTHERN PART WAS MOVING EAST AT A SLIGHTLY SLOWER SPEED. THUNDERSTORMS WILL BE ENTERING THE NORTHWEST CORNER OF INDIANA BY 8 PM EST...WHILE THUNDERSTORMS WILL MOVE INTO INDIANA NEAR TERRE HAUTE BEFOREB 9 PM. . SEVERE STORMS WITH DAMAGING WINDS...AND POSSIBLY HAIL...MAY ARRIVE WITH THE LINE OF THUNDERSTORMS. MPD
Special weather statement, May 9, 7:37 PM CDT, 1 hour 33 minutes before
INZALL-100130- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE INDIANAPOLIS IN 735 PM EST WED MAY 9 1990 A TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND WESTERN INDIANA UNTIL 1 AM EST. STRONG THUNDERSTORMS WERE ABOUT TO ENTER EXTREME NORTHWEST INDIANA. AT 725 PM EST...STRONG THUNDERSTORMS WERE FROM ABOUT 10 MILES WEST OF GARY TO ABOUT 15 MILES WEST OF CHAMPAIGN ILLINOIS TO NEAR CARBONDALE ILLINOIS. THE SOUTHERN PART OF THE LINE WAS MOVING EAST AT 25 TO 30 MILES PER HOUR WHILE THE NORTHERN PART WAS MOVING EAST AT A SLIGHTLY SLOWER SPEED. THUNDERSTORMS WILL BE ENTERING THE NORTHWEST CORNER OF INDIANA BY 8 PM EST...WHILE THUNDERSTORMS WILL MOVE INTO INDIANA NEARP TERRE HAUTE BEFORE 9 PM. . SEVERE STORMS WITH DAMAGING WINDS...AND POSSIBLY HAIL...MAY ARRIVE WITH THE LINE OF THUNDERSTORMS. MPD CORRECTED TITLE.
Special weather statement, May 9, 8:44 PM CDT, 26 minutes before
INZALL-100300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 843 PM EST WED MAY 9 1990 A TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND WESTERN INDIANA UNTIL 1 AM EST. STRONG THUNDERSTORMS...SOME WITH FREQUENT DANGEROUS LIGHTNING AND TORRENTIAL DOWNPOURS...WERE INTO NORTHWEST INDIANA AT 830 PM EST. AT 830 PM...THUNDERSTORMS WERE FROM 10 MILES EAST OF GARY TO ABOUT 45 MILES NORTHWEST OF LAFAYETTE TO ABOUT 45 MILES SOUTHWEST OF TERRE HAUTE. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES PER HOUR. AN AREA OF THUNDERSTORMS AHEAD OF THE LINE HAD DISSIPATED TO LIGHT SHOWERS. SOME OF THEM MAY MOVE INTO THE TERRE HAUTE AREA AROUND 915 PM...OTHERWISE THUNDERSTORMS CAN BE EXPECTED TO MOVE INTO THE LAFAYETTE AND TERRE HAUTE AREAS BY AROUND 10 PM. THEY WILL MOVE INTO THE INDIANAPOLIS AREA SOMETIME AROUND 1130 PM. SEVERE STORMS WITH DAMAGING WINDS AND POSSIBLY HAIL MAY ARRIVE WITH THESE THUNDERSTORMS. AREAS OF TORRENTIAL RAIN AND DANGEROUS LIGHTNING ARE A CERTAINTY. MPD
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:46 PM CDT | Severe Thunderstorm Warning | IND | Edwards, Wayne, White | 29 min |
| May 9, 9:27 PM CDT | Severe Thunderstorm Warning | IND | Sullivan | 48 min |
| May 9, 9:28 PM CDT | Severe Thunderstorm Warning | IND | Daviess, Knox | 47 min |
| May 9, 9:45 PM CDT | Severe Thunderstorm Warning | IND | Clay, Greene | 45 min |
| May 9, 10:04 PM CDT | Severe Thunderstorm Warning | IND | Monroe, Owen | 26 min |
| May 9, 10:18 PM CDT | Severe Thunderstorm Warning | IND | Hendricks, Morgan | 27 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Severe Thunderstorm Warnings in Indiana, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.