Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 8, NWS Lincoln, IL

January 18, 1996Clark County, Edgar County, Vermilion County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jan 18, 1996, 11:51 AM CST for Clark County, Edgar County, Vermilion County, Illinois. It was in force for 59 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jan 18, 1996, 11:51 AM CST (17:51 UTC)
Expired: Jan 18, 1996, 12:50 PM CST
In force: 59 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Clark County, IL, Edgar County, IL, Vermilion County, IL

What was reported inside it

Time	Report	Where	Remark
Jan 18, 12:30 PM CST	Thunderstorm Wind	Chrisman, IL
Jan 18, 12:45 PM CST	Thunderstorm Wind	Ridge Farm/Danville/, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.9 hours before the alert went out and 86 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 679 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 622 m²/s²
0-3 km storm-relative helicity: 786 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSPI 181751 RRA
SVRSPI
ILC045-183-181850-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1148 AM CST THU JAN 18 1996

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1250 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL ILLINOIS

   ...EDGAR COUNTY
   ...VERMILION COUNTY
 
AT 1145 AM CST...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS EXTENDING FROM 10 MILES SOUTH OF CHAMPAIGN TO 25
MILES SOUTHEAST OF MATTOON. THESE STORMS HAVE A HISTORY OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH.

THE STORMS ARE MOVING EAST AT 25 MPH AND WILL AFFECT THE TOWNS OF
PARIS...MARSHALL...AND MARTINSVILLE.

THIS IS A DANGEROUS STORM...CAPABLE OF BLOWING DOWN TREES AND
DAMAGING ROOFS AND WINDOWS. MOVE TO A STURDY BUILDING AND STAY AWAY
FROM WINDOWS.

$$
GEELHART/HEDGES

1 follow-up statement

000 
WUUS1 KSPI 181802 RRA
SVRSPI
ILC023-045-183-181855-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING     ...CORRECTED COUNTY LOCATIONS...
NATIONAL WEATHER SERVICE LINCOLN IL
1151 AM CST THU JAN 18 1996

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1250 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL ILLINOIS

   ...CLARK COUNTY
   ...EDGAR COUNTY
   ...VERMILION COUNTY

AT 1145 AM CST...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS EXTENDING FROM 10 MILES SOUTH OF CHAMPAIGN TO 25
MILES SOUTHEAST OF MATTOON. THESE STORMS HAVE A HISTORY OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH.

THE STORMS ARE MOVING EAST AT 25 MPH AND WILL AFFECT THE TOWNS OF
PARIS...MARSHALL...AND MARTINSVILLE.

THIS IS A DANGEROUS STORM...CAPABLE OF BLOWING DOWN TREES AND
DAMAGING ROOFS AND WINDOWS. MOVE TO A STURDY BUILDING AND STAY AWAY
FROM WINDOWS.

$$
GEELHART/HEDGES

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 18, 9:51 AM CST, 2 hours earlier.

Area forecast discussion, Jan 18, 9:51 AM CST, 2 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
950 AM CST THU JAN 18 1996

AS OF 15Z...CF HAS MOVED THRU THE WRN PTNS OF IL AND WAS ABOUT TO MOV
THRU SPI AND PIA.  BEARDSTOWN IN CASS CO (ALONG THE IL RVR) DROPPED
FROM 62 TO 35 IN ABOUT A HALF HOUR AS THE FRONT MOVED THRU AROUND 830
AM.  A LINE OF STRONG TRWS HAS DEVELOPED OVR C IL AND IS RAPIDLY MOVG
TO THE NORTH AT 50 MPH AS IT MAKES ITS WAY SLOWLY TO THE EAST.

BELIEVE RW/TRW WILL CHANGE OVER TO A MIX OF ZR/IP/S OVER MOST OF C IL
WHILE EC IL WILL CONT TO EXPERIENCE RW/TRW THRU THE EARLY AFTERNOON
HOURS.

PLEASE UPDATE THE ZONES TO REFLECT THE ABOVE CHANGES.

PIA  25/06 +6
SPI  25/06 +5
DEC  61/07 +5
CMI  60/08 +5

BYR~D

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 18, 10:13 AM CST	Severe Thunderstorm Warning	ILX	Christian	47 min
Jan 18, 10:34 AM CST	Severe Thunderstorm Warning	ILX	Effingham, Macon, Shelby	56 min
Jan 18, 10:44 AM CST	Severe Thunderstorm Warning	ILX	DeWitt	46 min
Jan 18, 11:11 AM CST	Severe Thunderstorm Warning	ILX	Moultrie, Piatt	49 min
Jan 18, 11:24 AM CST	Severe Thunderstorm Warning	ILX	McLean	46 min
Jan 18, 11:28 AM CST	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas	62 min
Jan 18, 11:28 AM CST	Severe Thunderstorm Warning	ILX	Champaign	62 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1996 Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.