Alert archive / Illinois / Tornado Warnings in 1994

Tornado Warning 3, NWS Quad Cities, IA

June 26, 1994Rock Island County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jun 26, 1994, 2:52 PM CDT for Rock Island County, Illinois. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1994, 2:52 PM CDT (19:52 UTC)
Expired
Jun 26, 1994, 3:30 PM CDT
In force
38 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Rock Island County, IL

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.9 hours before the alert went out and 391 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 1994-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 1994-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
19 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
38 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 KMLI 261952
TORMLI
ILC161-262030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE MOLINE IL
252 PM CDT SUN JUN 26 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTHWEST PART OF ILLINOIS
      ROCK-ISLAND

AT 245 PM A TORNADO WAS REPORTED BY LAW ENFOREMENT NEAR THE
QUAD CITY NUCLEAR PLANT...20 MILES NORTHEAST OF THE QUAD CITIES.
THE STORM PRODUCING THE TORNADO WAS MOVING SOUTHEAST AT 30 MILE
AN HOUR.  IF YOU LIVE IN CORDOVA TAKE SHELTER NOW!!!!

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

GOEHRING 1951Z

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, 2:30 PM CDT, 22 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-262030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
230 PM CDT SUN JUN 26 1994

...EXTREME THUNDERSTORMS IN WHITESDIE COUNTY ILLINOIS AND IN
EXTREME SOUTHEAST CLINTON COUNTY IOWA...

TWO EXTREME THUNDERSTORMS WERE FOUND ACROSS THE NORTHERN PARTS OF THE
TWO STATE REGION.  THE FIRST WAS IN WHITESIDE COUNTY FROM THE STERLING/
ROCK FALLS AREA TO JUST NORTH OF MORRISON...35 MILES NORTHEAST OF THE
QUAD CITIES.  THE OTHER EXTREME THUNDERSTORM WAS IN EXTREME SOUTHEAST
CLINTON COUNTY IOWA...25 MILES NORTH/NORTHEAST OF THE QUAD CITIES.

THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR.  BE READY
FOR VERY HEAVY RAIN...POSSIBLE HAIL...AND STRONG GUSTY WINDS IF YOU
LIVE IN UPPER ROCK ISLAND COUNTY ILLINOIS OR SOUTHEASTERN WHITESIDE
COUNTY ILLINOIS.  WHEN YOU SEE THESE STORMS MOVING INTO YOUR AREA...
THE BEST THING TO DO IS TO WAIT THEM OUT IN A STURDY SHELTER.
.
GOEHRING
Special weather statement, Jun 26, 2:32 PM CDT, 20 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-262030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
230 PM CDT SUN JUN 26 1994

...EXTREME THUNDERSTORMS IN WHITESDIE COUNTY ILLINOIS AND IN
EXTREME SOUTHEAST CLINTON COUNTY IOWA...

TWO EXTREME THUNDERSTORMS WERE FOUND ACROSS THE NORTHERN PARTS OF THE
TWO STATE REGION.  THE FIRST WAS IN WHITESIDE COUNTY FROM THE STERLING/
ROCK FALLS AREA TO JUST NORTH OF MORRISON...35 MILES NORTHEAST OF THE
QUAD CITIES.  THE OTHER EXTREME THUNDERSTORM WAS IN EXTREME SOUTHEAST
CLINTON COUNTY IOWA...25 MILES NORTH/NORTHEAST OF THE QUAD CITIES.

THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR.  BE READY
FOR VERY HEAVY RAIN...POSSIBLE HAIL...AND STRONG GUSTY WINDS IF YOU
LIVE IN UPPER ROCK ISLAND COUNTY ILLINOIS OR SOUTHEASTERN WHITESIDE
COUNTY ILLINOIS.  WHEN YOU SEE THESE STORMS MOVING INTO YOUR AREA...
THE BEST THING TO DO IS TO WAIT THEM OUT IN A STURDY SHELTER.
.
GOEHRING

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 3:04 PM CDTSevere Thunderstorm WarningDVNWhiteside56 min
Jun 26, 4:04 PM CDTSevere Thunderstorm WarningDVNWhiteside56 min

Nearby

Tornado Warnings in Illinois, 1994Every tornado warning in 1994Tornadoes in 1994

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.