Alert archive / Illinois / Tornado Warnings in 1990

Tornado Warning 21, NWS Lincoln, IL

June 20, 1990Schuyler County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 20, 1990, 1:06 AM CDT for Schuyler County, Illinois. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 20, 1990, 1:06 AM CDT (06:06 UTC)
Expired
Jun 20, 1990, 1:45 AM CDT
In force
39 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Schuyler 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 00:00Z, 6.1 hours before the alert went out and 382 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.

Skew-T log-pSkew-T log-p diagram, Paducah/Barkley, KY at 00:00Z on 1990-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 00:00Z on 1990-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2328 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPIA 200606
TORPIA
ILC169-200645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
106 AM CDT WED JUN 20 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE WEST CENTRAL PART OF ILLINOIS
      SCHUYLER

AT 100 AM CDT SCHUYLER COUNTY SHERIFF REPORTED A TORNADO ON THE
GROUND 2 MILES NORTH OF RUSHVILLE. MOVEMENT WAS TO THE EAST
SOUTHEAST AT 30 MPH.

TOWNS IN THE PATH OF THIS TORNADO INCLUDE...PLEASANT VIEW...
FREDERICK AND BEARDSTOWN.

IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

ATTN ISP DIST...20

MILLER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 9:55 PM CDTSevere Thunderstorm WarningILXKnox, Peoria, Stark65 min
Jun 19, 10:05 PM CDTSevere Thunderstorm WarningILXBureau55 min
Jun 19, 10:17 PM CDTSevere Thunderstorm WarningILXLee43 min
Jun 19, 10:48 PM CDTTornado WarningILXPeoria, Woodford27 min
Jun 19, 10:56 PM CDTSevere Thunderstorm WarningILXDeKalb49 min
Jun 19, 11:08 PM CDTTornado WarningILXKnox37 min
Jun 19, 11:41 PM CDTSevere Thunderstorm WarningILXFulton, McDonough, Warren64 min
Jun 19, 11:50 PM CDTFlash Flood WarningILXKnox, Peoria, Warren4 hr
Jun 20, 12:47 AM CDTSevere Thunderstorm WarningILXMcLean, Tazewell58 min
Jun 20, 1:10 AM CDTSevere Thunderstorm WarningILXLogan, Menard65 min
Jun 20, 1:39 AM CDTFlash Flood WarningILXFulton, Tazewell3 hr
Jun 20, 1:40 AM CDTSevere Thunderstorm WarningILXMacon65 min
Jun 20, 2:00 AM CDTFlash Flood WarningILXWoodford3 hr
Jun 20, 2:01 AM CDTSevere Thunderstorm WarningILXMoultrie, Shelby59 min
Jun 20, 2:06 AM CDTFlash Flood WarningILXSangamon3 hr
Jun 20, 2:18 AM CDTFlash Flood WarningILXMcDonough, Schuyler3 hr
Jun 20, 2:30 AM CDTSevere Thunderstorm WarningILXChristian60 min
Jun 20, 2:44 AM CDTSevere Thunderstorm WarningILXColes, Edgar61 min
Jun 20, 3:06 AM CDTSevere Thunderstorm WarningILXClark, Cumberland69 min
Jun 20, 3:31 AM CDTFlash Flood WarningILXClark, Coles, Cumberland3 hr
Jun 20, 3:31 AM CDTFlash Flood WarningILXEdgar3 hr
Jun 20, 5:09 AM CDTFlash Flood WarningILXCass, Menard, Sangamon3 hr
Jun 20, 5:09 AM CDTFlash Flood WarningILXMacoupin, Montgomery, Morgan3 hr
Jun 20, 5:09 AM CDTFlash Flood WarningILXChristian3 hr
Jun 20, 5:27 AM CDTFlash Flood WarningILXFulton, McDonough, Schuyler3 hr
Jun 20, 5:27 AM CDTFlash Flood WarningILXMason3 hr
Jun 20, 8:05 AM CDTFlash Flood WarningILXChristian, Montgomery, Sangamon3 hr
Jun 20, 8:05 AM CDTFlash Flood WarningILXCass, Menard3 hr
Jun 20, 8:05 AM CDTFlash Flood WarningILXMacoupin, Morgan3 hr
Jun 20, 8:30 AM CDTFlash Flood WarningILXFulton, McDonough, Mason, Schuyler110 min
Jun 20, 9:00 AM CDTFlash Flood WarningILXFulton, McDonough, Schuyler90 min
Jun 20, 9:00 AM CDTFlash Flood WarningILXMason90 min

Nearby

Tornado Warnings in Illinois, 1990Every tornado warning in 1990Tornadoes 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.