Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 3, NWS Quad Cities, IA

April 7, 1995McDonough County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 7, 1995, 8:59 PM CDT for McDonough County, Illinois. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Apr 7, 1995, 8:59 PM CDT (01:59 UTC)
Expired
Apr 7, 1995, 10:00 PM CDT
In force
61 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County McDonough County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 179 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, Lincoln, IL at 00:00Z on 1995-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 148 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, Lincoln, IL at 00:00Z on 1995-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
148 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1841 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
353 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMLI 080202 RRA
SVRMLI
ILC109-080300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
859 PM CDT FRI APR 7 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...MCDONOUGH COUNTY
 
AT 855 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ACROSS
EASTERN HANCOCK COUNTY MOVING INTO WESTERN MCDONOUGH COUNTY. THIS STORM
WILL BE AFFECTING THE TOWN OF COLCHESTER..BLANDINSVILLE..BY 910 PM AND M
O920 PM.
THIS STORM HAS HAD A HISTORY OF PRODUCING DIME SIZE HAIL AND STRONG
WINDS.  THIS IS A DANGEROUS STORM4 AND PERSONS IN MCDONOUGH COUNTY SHOULD
EINDOORS UNTIL THE STORM PASSES AS IT CONTINUES MOVING TO THE EAST AT 35
MPH.
 
DAMAGING WINDS AND LARGE HAIL ARE LIKELY.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
 
 
HOLSTEN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 8:23 PM CDTSevere Thunderstorm WarningDVNHancock67 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.