Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 22, NWS Lincoln, IL

May 13, 1995Macon County, Piatt County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 13, 1995, 9:45 PM CDT for Macon County, Piatt County, Illinois. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 13, 1995, 9:45 PM CDT (02:45 UTC)
Expired
May 13, 1995, 10:30 PM CDT
In force
45 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Macon County, IL, Piatt County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 28 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 1995-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2056 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 1995-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 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
2056 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
320 m²/s²
Significant tornado parameter
3.2
Supercell composite
18.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 140248
SVRSPI
ILC115-147-140330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
945 PM CDT SAT MAY 13 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...NORTHERN MACON COUNTY
 
IN EAST CENTRAL ILLINOIS
 
   ...NORTHERN AND CENTRAL PIATT COUNTY
 
AT 940 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHWEST MACON
COUNTY...15 MILES NORTHWEST OF DECATUR. THESE STORMS ARE MOVING
EAST-NORTHEAST AT 40 MILES AN HOUR.
 
TOWNS IN THE PATH OF THIS STORM ARE MAROA...ARGENTA...MONTICELLO...AND
DE LAND. 
 
TAKE SHELTER IN A SUBSTANTIAL BUILDING. STAY AWAY FROM WINDOWS.
LIGHTNING KILLS...SO STAY AWAY FROM TELEPHONES. REMEMBER...A
SEVERE THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME.
$$
 
 
ROBINSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 7:01 PM CDTTornado WarningILXMcLean59 min
May 13, 7:23 PM CDTTornado WarningILXWoodford67 min
May 13, 7:25 PM CDTTornado WarningILXPeoria35 min
May 13, 7:36 PM CDTTornado WarningILXTazewell54 min
May 13, 7:55 PM CDTTornado WarningILXPeoria50 min
May 13, 7:58 PM CDTTornado WarningILXMcLean62 min
May 13, 10:23 PM CDTTornado WarningILXChampaign37 min
May 13, 10:33 PM CDTSevere Thunderstorm WarningILXChampaign, Piatt27 min
May 13, 10:58 PM CDTTornado WarningILXChampaign32 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.