Alert archive / Illinois / Tornado Warnings in 1998

Tornado Warning 110, NWS Lincoln, IL

June 29, 1998Menard County, Sangamon County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 29, 1998, 4:47 PM CDT for Menard County, Sangamon County, Illinois. It was in force for 73 min. 4 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: Jun 29, 1998, 4:47 PM CDT (21:47 UTC)
Expired: Jun 29, 1998, 6:00 PM CDT
In force: 73 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Menard County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 44 km from the middle of the area, began a volume at 21:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 29, 4:50 PM CDT	Thunderstorm Wind	Countywide, IL
Jun 29, 5:10 PM CDT	Thunderstorm Wind 61	Countywide, IL
Jun 29, 5:30 PM CDT	Tornado F0	Springfield, IL	An off-duty police officer witnessed a tornado briefly touch down and pull a large tree out of the ground in the Huntington Heights subdivision 7 miles south of Springfield. No structural damage or injuries were reported.
Jun 29, 5:36 PM CDT	Tornado F0	Pawnee, IL	As a tornado touched down on the north side of Pawnee, it blew the roof off of a house and twisted it on its foundation. Some debris (2x6s) from the house were driven into the roof of the garage on the house next door. The tornado continued for about half a

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 29, 3:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.8 hours before the alert went out and 100 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: 2020 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 71 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.

278 
WFUS1 KSPI 292147 RRA
TORSPI
ILC107-113-129-137-167-171-292300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
447 PM CDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  LOGAN COUNTY IN CENTRAL ILLINOIS
  MCLEAN COUNTY IN CENTRAL ILLINOIS
  MENARD COUNTY IN CENTRAL ILLINOIS
  MORGAN COUNTY IN CENTRAL ILLINOIS
  SANGAMON COUNTY IN CENTRAL ILLINOIS
  SCOTT COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 600 PM CDT

* AT 445 PM CDT... LINCOLN DOPPLER RADAR INDICATED A LINE OF
  SEVERE THUNDERSTORMS...WITH SEVERAL POSSIBLE TORNADOES. THIS LINE
  OF STORMS EXTENDED FROM 25 MILES NORTHWEST OF BLOOMINGTON...TO 15
  MILES NORTHWEST OF LINCOLN...TO 25 MILES NORTHWEST OF SPRINGFIELD.
  THE LINE OF STORMS IS MOVING EAST-SOUTHEAST AT 45 MPH.

* THESE STORMS ARE EXPECTED TO AFFECT AREAS AROUND...
  BLOOMINGTON/NORMAL
  LINCOLN
  SPRINGFIELD METRO
  PETERSBURG
  JACKSONVILLE
  WINCHESTER

THIS LINE OF STORMS HAS A HISTORY OF WIND DAMAGE.

IF YOU ARE IN THE PATH OF THESE STORMS...TAKE COVER IN A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR. VEHICLES AND MOBILE HOMES SHOULD
BE ABANDONED FOR A SAFER SHELTER.

GEELHART/AUTEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:28 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	62 min
Jun 28, 7:43 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason	62 min
Jun 28, 7:48 PM CDT	Severe Thunderstorm Warning	ILX	Menard	57 min
Jun 28, 7:55 PM CDT	Severe Thunderstorm Warning	ILX	Scott	65 min
Jun 28, 8:06 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	69 min
Jun 28, 8:24 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Macon	66 min
Jun 28, 8:32 PM CDT	Severe Thunderstorm Warning	ILX	McLean	73 min
Jun 28, 9:06 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	39 min
Jun 28, 9:16 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	59 min
Jun 28, 9:43 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	62 min
Jun 28, 10:02 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Schuyler	58 min
Jun 28, 10:15 PM CDT	Severe Thunderstorm Warning	ILX	Mason	60 min
Jun 28, 10:34 PM CDT	Severe Thunderstorm Warning	ILX	Menard	56 min
Jun 28, 11:06 PM CDT	Severe Thunderstorm Warning	ILX	Logan	39 min
Jun 29, 3:47 PM CDT	Tornado Warning	ILX	Knox	58 min
Jun 29, 4:02 PM CDT	Tornado Warning	ILX	Fulton	58 min
Jun 29, 4:06 PM CDT	Tornado Warning	ILX	Peoria, Stark	69 min
Jun 29, 4:08 PM CDT	Tornado Warning	ILX	Schuyler	67 min
Jun 29, 4:27 PM CDT	Tornado Warning	ILX	Mason, Tazewell	63 min
Jun 29, 4:27 PM CDT	Tornado Warning	ILX	Cass	63 min
Jun 29, 4:36 PM CDT	Tornado Warning	ILX	Woodford	69 min
Jun 29, 4:41 PM CDT	Tornado Warning	ILX	Marshall	64 min
Jun 29, 4:47 PM CDT	Tornado Warning	ILX	Logan, McLean	73 min
Jun 29, 4:47 PM CDT	Tornado Warning	ILX	Morgan, Scott	73 min
Jun 29, 4:57 PM CDT	Tornado Warning	ILX	Christian, DeWitt, Macon, Piatt	78 min
Jun 29, 5:21 PM CDT	Tornado Warning	ILX	Moultrie, Shelby	69 min
Jun 29, 5:21 PM CDT	Tornado Warning	ILX	Champaign, Douglas	69 min
Jun 29, 5:24 PM CDT	Tornado Warning	ILX	Tazewell	36 min
Jun 29, 5:31 PM CDT	Tornado Warning	ILX	Edgar, Vermilion	74 min
Jun 29, 5:31 PM CDT	Tornado Warning	ILX	Coles, Cumberland	74 min
Jun 29, 6:16 PM CDT	Tornado Warning	ILX	Christian, Macon, Piatt	29 min
Jun 29, 6:28 PM CDT	Tornado Warning	ILX	Douglas, Moultrie, Shelby	47 min
Jun 29, 6:28 PM CDT	Tornado Warning	ILX	Champaign	47 min
Jun 29, 6:30 PM CDT	Tornado Warning	ILX	Clark, Effingham, Jasper	75 min
Jun 29, 6:35 PM CDT	Tornado Warning	ILX	Coles, Cumberland, Edgar	55 min
Jun 29, 6:35 PM CDT	Tornado Warning	ILX	Vermilion	55 min
Jun 29, 6:44 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	61 min
Jun 29, 6:51 PM CDT	Tornado Warning	ILX	Clay, Richland	69 min
Jun 29, 6:51 PM CDT	Tornado Warning	ILX	Crawford	69 min

Nearby

Tornado Warnings in Illinois, 1998 Every tornado warning in 1998 Tornadoes in 1998

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; radar from the NEXRAD Level II archive.