Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 41, NWS Quad Cities, IA

July 27, 1995Mercer County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jul 27, 1995, 6:51 PM CDT for Mercer County, Illinois. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1995, 6:51 PM CDT (23:51 UTC)
Expired
Jul 27, 1995, 8:00 PM CDT
In force
69 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Mercer County, IL

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.9 hours before the alert went out and 50 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, Davenport, at 12:00Z on 1995-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 832 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, Davenport, at 12:00Z on 1995-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
832 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
851 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
115 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 272352
TORMLI
ILC131-280100-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
651 PM CDT THU JUL 27 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ILLINOIS
 
   ...MERCER COUNTY
 
AT 648 PM CDT A TORNADO NEAR SHERRARD IN MERCER COUNTY ILLINOIS MOVING
NORTHEAST AT 20 MPH. THIS STORM WILL MOVE INTO HENRY COUNTY ILLINOIS
NEAR ORION AND LINN CENTER.
 
A SECOND TORNADIC STORM NEAR NORWOOD ILLINOIS WILL MOVE NORTHEAST AT 20
MPH AND REACH NEAR BURGESS ILLINOIS BY 655 PM.
 
IF YOU LIVE IN THE PATH OF THIS STORM...TAKE SHELTER NOW!
 
GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!
 
T MEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 4:18 PM CDTTornado WarningDVNJo Daviess57 min
Jul 27, 4:52 PM CDTTornado WarningDVNStephenson68 min
Jul 27, 5:17 PM CDTTornado WarningDVNJo Daviess58 min
Jul 27, 6:32 PM CDTTornado WarningDVNHenry58 min
Jul 27, 6:38 PM CDTTornado WarningDVNWhiteside67 min

Nearby

Tornado Warnings in Illinois, 1995Every tornado warning in 1995Tornadoes in 1995

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.