Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 13, NWS Lincoln, IL

April 10, 1995Cass County, Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 10, 1995, 12:45 PM CDT for Cass County, Morgan County, Illinois. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1995, 12:45 PM CDT (17:45 UTC)
Expired
Apr 10, 1995, 1:30 PM CDT
In force
45 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Cass County, IL, Morgan County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.8 hours before the alert went out and 142 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 12:00Z 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, Lincoln, IL at 12:00Z on 1995-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
618 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 101747 RRA
SVRSPI
ILC017-137-101830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1245 PM CDT MON APR 10 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...WESTERN CASS COUNTY...NORTHWESTERN MORGAN COUNTY
 
WEATHER RADAR AT 1240 PM CDT INDICATED A SEVERE THUNDERSTORM
50 MILES WEST OF SPRINGFIELD ABOUT 8 MILES SOUTHWEST OF MEREDOSIA.
THE STORM WAS MOVING NORTHEAST AT 35 MPH AND WILL EFFECT THE CITY
OF MEREDOSIA BY 115 PM.
 
 
 
TAKE SHELTER IN A SUBSTANTIAL BUILDING. STAY AWAY FROM WINDOWS.
LIGHTNING0 KILLS...SO STAY OFF OF TELEPHONES.  REMEMBER...A SEVERE
THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME.
 
 
 
&
SKIPPER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 10:46 PM CDTSevere Thunderstorm WarningILXSchuyler44 min
Apr 9, 11:43 PM CDTSevere Thunderstorm WarningILXMason47 min
Apr 9, 11:52 PM CDTSevere Thunderstorm WarningILXLogan38 min
Apr 10, 1:17 AM CDTSevere Thunderstorm WarningILXFulton43 min
Apr 10, 3:11 AM CDTSevere Thunderstorm WarningILXFulton49 min
Apr 10, 3:47 AM CDTSevere Thunderstorm WarningILXFulton58 min
Apr 10, 5:29 AM CDTSevere Thunderstorm WarningILXSchuyler61 min
Apr 10, 5:36 AM CDTSevere Thunderstorm WarningILXChampaign54 min
Apr 10, 10:14 AM CDTSevere Thunderstorm WarningILXKnox22 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.