Alert archive / Illinois / Tornado Warnings in 1992

Tornado Warning 3, NWS Lincoln, IL

April 10, 1992Carroll County, Ogle County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 10, 1992, 8:15 PM CDT for Carroll County, Ogle County, Illinois. It was in force for 30 min. 1 report 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
Apr 10, 1992, 8:15 PM CDT (01:15 UTC)
Expired
Apr 10, 1992, 8:45 PM CDT
In force
30 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Carroll County, IL, Ogle County, IL

What was reported inside it

TimeReportWhereRemark
Apr 10, 8:28 PM CDTTornado F0Ogle, IL

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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.3 hours before the alert went out and 297 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, Green Bay/Straub, WI at 00:00Z on 1992-04-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 1992-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 460 square meters per square second.19395878Sfc1 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
NaN m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
460 m²/s²
0-3 km storm-relative helicity
848 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 KRFD 110115
TORRFD
ILC015-141-110145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE ROCKFORD IL
815 PM CDT FRI APR 10 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHWEST PART OF ILLINOIS
      EASTERN CARROLL...

   IN THE NORTH CENTRAL PART OF ILLINOIS
      WESTERN OGLE...

AT 8 10 PM CDT...RADAR WAS INDICATING A POSSIBLE TORNADO DEVELOPING
NEAR SHANNON IN NORTHEAST CARROLL COUNTY...ABOUT 35 MILES WEST
OF ROCKFORD THE STORM WAS MOVING TO THE EAST SOUTHEAST AT 35 MPH.

SOME COMMUNITIES THAT WILL BE AFFECTED BY THIS TORNADO...
SHANNON...FORRESTON...BYRON...MT MORRIS.

IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM TAKE COVER IMMEDIATELY
IN A BASEMENT OR SMALL CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR.
ABANDON CARS...FARM MACHINERY AND MOBILE HOMES FOR A REINFORCED
BUILDING. IF OUTDOORS...GO TO A REINFORCED SHELTER OR LIE FLAT IN A
DITCH...CULVERT OR RAVINE. THIS IS A SERIOUS SITUATION...YOUR LIFE
MAY DEPEND ON HOW QUICKLY YOU RESPOND TO THIS TORNADO WARNING!

ATTN: ISP DIST  1.                                   SANDERS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 7:57 PM CDTSevere Thunderstorm WarningILXCarroll, Stephenson48 min
Apr 10, 8:43 PM CDTSevere Thunderstorm WarningILXOgle, Winnebago47 min
Apr 10, 8:50 PM CDTSevere Thunderstorm WarningILXLee40 min

Nearby

Tornado Warnings in Illinois, 1992Every tornado warning in 1992Tornadoes in 1992

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.