Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 40, NWS Quad Cities, IA

July 27, 1995Whiteside County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jul 27, 1995, 6:38 PM CDT for Whiteside County, Illinois. It was in force for 67 min.

The area

The counties it named.

The facts

Issued: Jul 27, 1995, 6:38 PM CDT (23:38 UTC)
Expired: Jul 27, 1995, 7:45 PM CDT
In force: 67 min
Issued by: NWS Quad Cities, IA
Area: Whole counties

County Whiteside County, IL

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 51 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 272339
TORMLI
ILC195-280045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
638 PM CDT THU JUL 27 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ILLINOIS
 
   ...WHITESIDE COUNTY
 
AT 637 PM DOPPLER RADAR INDICATED A POSSIBLY TORNADIC THUDERSTORM WITH
TREMENDOUS DAMAGING STRAIGHT LINE WINDS CROSSING THE MISSISSIPPI RIVER
AT CLINTON IOWA. THESE STORMS WERE MOVING SOUTHEAST AT 30 MPH AND WILL
REACH MORRISON BY 655 PM...AND PROPHETSTOWN BY 705 PM.
 
THIS IS A DANGEROUS SITUATION. GO TO THE BASEMENT OR A SMALL INTERIOR
ROOM ON THE LOWEST FLOOR!
 
ZOGG

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

Local storm report, Jul 27, 6:29 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DUBUQUE IA
630 PM CDT THU JUL 27 1995

...PRELIMINARY LOCAL STORM REPORT FOR WEDNESDAY /JULY 27 1995/...

TIME (CDT)   .....CITY LOCATION...      STATE    ...EVENT/REMARKS...
             ...COUNTY LOCATION...

1540               LANCASTER             WI      NUMEROUS TREES DOWN
07/27/95           GRANT                         AND UTILITY POLES/
                                                 LINES DOWN. ALL
                                                 DAMAGE WAS INSIDE
                                                 THE CITY LIMITS AND
                                                 FROM THUNDERSTORM
                                                 WINDS. REPORTED BY
                                                 SHERIFF.

1520 PM            MILLVILLE             WI      TREES DOWN IN THE
07/27/95           GRANT                         CITY LIMITS FROM
                                                 THUNDERSTORM WINDS.
                                                 REPORTED BY SHERIFF.

1425               LUANA                 IA      DIME SIZE HAIL IN THE
07/27/95           CLAYTON                       CITY LIMITS. REPORTED
                                                 BY STATE POLICE.

1540               GARNAVILLO            IA      TREE LIMBS AND POWER
07/27/95           CLAYTON                       LINES BLOWN DOWN BY
                  j                               THUNDERSTORM WINDS.
                                                 REPORTED BY SHERIFF.

HOOPER

Local storm report, Jul 27, 6:30 PM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DUBUQUE IA
630 PM CDT THU JUL 27 1995

...PRELIMINARY LOCAL STORM REPORT FOR WEDNESDAY /JULY 27 1995/...

TIME (CDT)   .....CITY LOCATION...      STATE    ...EVENT/REMARKS...
             ...COUNTY LOCATION...

1540               LANCASTER             WI      NUMEROUS TREES DOWN
07/27/95           GRANT                         AND UTILITY POLES/
                                                 LINES DOWN. ALL
                                                 DAMAGE WAS INSIDE
                                                 THE CITY LIMITS AND
                                                 FROM THUNDERSTORM
                                                 WINDS. REPORTED BY
                                                 SHERIFF.

1520 PM            MILLVILLE             WI      TREES DOWN IN THE
07/27/95           GRANT                         CITY LIMITS FROM
                                                 THUNDERSTORM WINDS.
                                                 REPORTED BY SHERIFF.

1425               LUANA                 IA      DIME SIZE HAIL IN THE
07/27/95           CLAYTON                       CITY LIMITS. REPORTED
                                                 BY STATE POLICE.

1540               GARNAVILLO            IA      TREE LIMBS AND POWER
07/27/95           CLAYTON                       LINES BLOWN DOWN BY
                                                 THUNDERSTORM WINDS.
                                                 REPORTED BY SHERIFF.

HOOPER

WWUS34KMLI0#

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 4:18 PM CDT	Tornado Warning	DVN	Jo Daviess	57 min
Jul 27, 4:52 PM CDT	Tornado Warning	DVN	Stephenson	68 min
Jul 27, 5:17 PM CDT	Tornado Warning	DVN	Jo Daviess	58 min
Jul 27, 6:32 PM CDT	Tornado Warning	DVN	Henry	58 min
Jul 27, 6:51 PM CDT	Tornado Warning	DVN	Mercer	69 min

Nearby

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