Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 8, NWS Quad Cities, IA

April 9, 1995McDonough County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 9, 1995, 10:32 PM CDT for McDonough County, Illinois. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1995, 10:32 PM CDT (03:32 UTC)
Expired
Apr 9, 1995, 11:15 PM CDT
In force
43 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County McDonough County, IL

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.5 hours before the alert went out and 130 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 00:00Z on 1995-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1995-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1534 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
622 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMLI 100334 RRA
SVRMLI
ILC109-100415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1032 PM CDT SUN APR 9 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...MCDONOUGH COUNTY
 
AT 1030 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES
SOUTHWEST OF COLMAR. THE STORM WAS MOVING TO THE NORTHEAST AT 30 MPH AND
WILL REACH MACOMB BY 1050 PM CDT. THIS STORM WILL PRODUCE LARGE HAIL AND
DAMAGING WINDS.
 
IF YOU LIVE IN COLMAR OR MACOMB TAKE SAFE SHELTER NOW!!!
 
 
 
 
BERG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 10:52 PM CDTSevere Thunderstorm WarningDVNHancock68 min
Apr 9, 11:32 PM CDTSevere Thunderstorm WarningDVNHenderson, McDonough, Warren43 min
Apr 9, 11:51 PM CDTSevere Thunderstorm WarningDVNHancock54 min
Apr 10, 12:08 AM CDTSevere Thunderstorm WarningDVNHenry, Mercer52 min
Apr 10, 12:45 AM CDTSevere Thunderstorm WarningDVNHancock, McDonough60 min
Apr 10, 1:42 AM CDTSevere Thunderstorm WarningDVNWhiteside33 min
Apr 10, 2:04 AM CDTSevere Thunderstorm WarningDVNMcDonough41 min
Apr 10, 2:26 AM CDTSevere Thunderstorm WarningDVNHancock49 min
Apr 10, 3:27 AM CDTSevere Thunderstorm WarningDVNMcDonough48 min
Apr 10, 11:47 AM CDTSevere Thunderstorm WarningDVNMercer, Rock Island58 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning 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.