Alert archive / Illinois / Tornado Warnings in 1993

Tornado Warning 14, NWS Lincoln, IL

June 26, 1993Winnebago County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 26, 1993, 5:56 PM CDT for Winnebago County, Illinois. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1993, 5:56 PM CDT (22:56 UTC)
Expired
Jun 26, 1993, 6:30 PM CDT
In force
34 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Winnebago County, IL

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.9 hours before the alert went out and 253 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 12:00Z on 1993-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 12:00Z on 1993-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
1 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1709 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
91 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 262256
TORRFD
ILC201-262330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE ROCKFORD IL
556 PM CDT SAT JUN 26 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTH CENTRAL PART OF ILLINOIS
      WINNEBAGO

AT 554 PM CDT...THE STATE POLICE IN WINNEBAGO COUNTY REPORTED A
FUNNEL CLOUD 1 MILE SOUTH OF THEIR STATION IN PECATONICA.

SOME COMMUNITIES THAT WILL BE AFFECTED BY THIS TORNADO...
PECATONICA...ROCKFORD...MACHESNEY PARK...CHERRY VALLEY.

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

PETROVICH

What forecasters said that day

The local office's own words before this tornado 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 26, 5:25 PM CDT, 31 minutes before
ILZ005>007-009-262330-

SPECIAL WEATHER STATEMENT...
NATIONAL WEATHER SERVICE PEORIA IL
525 PM CDT SAT JUN 26 1993

...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR BUREAU AND
PUTNAM COUNTIES...

AT 520 PM... THERE WERE NO THUNDERSTORMS NEAR BUREAU OR PUTNAM COUNTY.
STRONG THUNDERSTORMS...SOME SEVERE WERE ALONG THE ILLINOIS-WISCONSIN
BORDER AND WERE MOVING EAST AT 40 MPH.

THESE STORMS WERE FORMING IN ADVANCE OF A COLD FRONT MOVING INTO EASTERN
IOWA. AS THIS FRONT MOVES CLOSER TO ILLINOIS... SOME STRONG AND POSSIBLY
SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PUTNAM AND BUREAU COUNTIES.

STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR FUTHER STATEMENTS
OR POSSIBLE WARNINGS.

MOGGED
Special weather statement, Jun 26, 5:28 PM CDT, 28 minutes before
ILZ005>007-009-262330-

SPECIAL WEATHER STATEMENT...
NATIONAL WEATHER SERVICE PEORIA IL
525 PM CDT SAT JUN 26 1993

...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR BUREAU AND
PUTNAM COUNTIES...

AT 520 PM... THERE WERE NO THUNDERSTORMS NEAR BUREAU OR PUTNAM COUNTY.
STRONG THUNDERSTORMS...SOME SEVERE WERE ALONG THE ILLINOIS-WISCONSIN
BORDER AND WERE MOVING EAST AT 40 MPH.

THESE STORMS WERE FORMING IN ADVANCE OF A COLD FRONT MOVING INTO EASTERN
IOWA. AS THIS FRONT MOVES CLOSER TO ILLINOIS... SOME STRONG AND POSSIBLY
SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PUTNAM AND BUREAU COUNTIES.

STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR FUTHER STATEMENTS
OR POSSIBLE WARNINGS.

MOGGED

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 4:57 PM CDTSevere Thunderstorm WarningILXWinnebago33 min
Jun 26, 6:17 PM CDTSevere Thunderstorm WarningILXJo Daviess, Stephenson, Winnebago43 min
Jun 26, 6:17 PM CDTSevere Thunderstorm WarningILXBoone43 min
Jun 26, 6:43 PM CDTTornado WarningILXCarroll, Ogle32 min

Nearby

Tornado Warnings in Illinois, 1993Every tornado warning in 1993Tornadoes in 1993

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.