Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 9, NWS Quad Cities, IA

May 9, 1995Rock Island County, Illinois

NWS Quad Cities, IA issued this tornado warning at May 9, 1995, 5:26 PM CDT for Rock Island County, Illinois. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
May 9, 1995, 5:26 PM CDT (22:26 UTC)
Expired
May 9, 1995, 6:00 PM CDT
In force
34 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Rock Island County, IL

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.4 hours before the alert went out and 18 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 1995-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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 1995-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939587897Sfc1 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
142 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMLI 092227
TORMLI
ILC161-092300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
526 PM CDT TUE MAY 9 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ILLINOIS
 
   ...NORTHERN ROCK ISLAND COUNTY
 
AT 526 PM CDT...A TORNADO WAS REPORTED ON THE GROUND NEAR I-80 AND I-88
BY A SPOTTER MOVING NORTHEASTf AT 35 MILES AN HOUR. THE STORM WILL PASS 5
MILES EAST OF ALBANY BY 545 PM. THIS STORM HAS A HISTORY OF PRODUCING
TORNADOS.
 
IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL
INTERIOR ROOM AWAY FROM WINDOWS!
 
HELGESON
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 4:06 PM CDTSevere Thunderstorm WarningDVNHancock54 min
May 9, 4:24 PM CDTSevere Thunderstorm WarningDVNRock Island66 min
May 9, 4:49 PM CDTSevere Thunderstorm WarningDVNHenry41 min
May 9, 5:11 PM CDTSevere Thunderstorm WarningDVNWarren49 min
May 9, 5:22 PM CDTTornado WarningDVNBureau68 min
May 9, 5:29 PM CDTTornado WarningDVNWhiteside61 min
May 9, 5:48 PM CDTSevere Thunderstorm WarningDVNJo Daviess42 min
May 9, 6:24 PM CDTTornado WarningDVNCarroll, Whiteside66 min
May 9, 6:42 PM CDTTornado WarningDVNBureau, Whiteside48 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.