Alert archive / Illinois / Tornado Warnings in 1999

Tornado Warning 49, NWS Lincoln, IL

June 4, 1999Tazewell County, Woodford County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 4, 1999, 4:01 PM CDT for Tazewell County, Woodford County, Illinois. It was in force for 59 min. 6 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 4, 1999, 4:01 PM CDT (21:01 UTC)
Expired: Jun 4, 1999, 5:00 PM CDT
In force: 59 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Tazewell County, IL, Woodford County, IL

What was reported inside it

Time	Report	Where	Remark
Jun 4, 4:20 PM CDT	Hail 1.75	Germantown Hills, IL
Jun 4, 4:20 PM CDT	Hail 1.75	East Peoria, IL	Dime size hail fell in East Peoria, Washington, and 4 miles east northeast of Delavan. Golfball sized hail was reported in Tremont.
Jun 4, 4:23 PM CDT	Tornado F0	Washburn, IL	A tornado touched down one mile southwest of Washburn. It caused extensive damage to one house's roof when it blew down several nearby trees, which then fell onto the house. It then moved into the Snag Creek Golf Course and blew down several more trees befor
Jun 4, 4:24 PM CDT	Thunderstorm Wind	Metamora, IL	Several trees were uprooted and numerous tree limbs were blown down in Metamora. One power pole was snapped off on the south side of town. No injuries were reported.
Jun 4, 4:25 PM CDT	Tornado F1	Delavan, IL	A tornado touched down on the northwest side of Delavan. It uprooted several large trees. The only structural damage in this area was due to tree branches. As it travelled to the east southeast, it blew a small outdoor amphitheater into a nearby creek. As
Jun 4, 4:34 PM CDT	Thunderstorm Wind	Delavan, IL	A semi was blown over on I-155 east of Delavan. The driver was uninjured. Several trees were blown down nearby.

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 4, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.0 hours before the alert went out and 85 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: 1578 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 042101
TORSPI
ILC125-169-179-203-042200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
401 PM CDT FRI JUN 4 1999

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  MASON COUNTY IN CENTRAL ILLINOIS
  SCHUYLER COUNTY IN WEST CENTRAL ILLINOIS
  TAZEWELL COUNTY IN CENTRAL ILLINOIS
  WOODFORD COUNTY IN CENTRAL ILLINOIS

* UNTIL 500 PM CDT

* AT 355 PM CDT... LINCOLN DOPPLER RADAR INDICATED A LINE OF
  SEVERE THUNDERSTORMS FROM 15 NORTHWEST OF METAMORA TO 25 MILES
  WEST OF TREMONT TO 15 NORTH OF RUSHVILLE. THESE STORMS ARE ALL
  CAPABLE OF PRODUCING TORNADOES...MOVING EAST SOUTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  METAMORA
  WASHINGTON
  MORTON
  TREMONT
  MANITO
  HAVANA
  BATH
  RUSHVILLE

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

GOETSCH/AUTEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 2:53 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Stark	67 min
Jun 4, 3:27 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria	63 min
Jun 4, 3:51 PM CDT	Tornado Warning	ILX	Marshall	54 min
Jun 4, 4:01 PM CDT	Tornado Warning	ILX	Mason, Schuyler	59 min
Jun 4, 4:30 PM CDT	Tornado Warning	ILX	DeWitt, Logan, McLean, Menard	60 min
Jun 4, 4:30 PM CDT	Tornado Warning	ILX	Cass	60 min
Jun 4, 4:50 PM CDT	Tornado Warning	ILX	Macon, Sangamon	55 min
Jun 4, 4:50 PM CDT	Tornado Warning	ILX	Morgan, Scott	55 min
Jun 4, 5:11 PM CDT	Tornado Warning	ILX	Piatt	49 min
Jun 4, 5:11 PM CDT	Tornado Warning	ILX	Christian	49 min
Jun 4, 5:27 PM CDT	Tornado Warning	ILX	DeWitt, McLean	33 min
Jun 4, 5:33 PM CDT	Tornado Warning	ILX	Champaign, Douglas, Moultrie	57 min
Jun 4, 5:33 PM CDT	Tornado Warning	ILX	Shelby	57 min
Jun 4, 5:47 PM CDT	Tornado Warning	ILX	Macon, Piatt	28 min
Jun 4, 6:01 PM CDT	Tornado Warning	ILX	Christian	14 min
Jun 4, 6:11 PM CDT	Tornado Warning	ILX	Coles	64 min
Jun 4, 6:25 PM CDT	Tornado Warning	ILX	Champaign, Douglas	35 min
Jun 4, 6:25 PM CDT	Tornado Warning	ILX	Shelby	35 min
Jun 4, 6:34 PM CDT	Tornado Warning	ILX	Cumberland, Effingham	56 min
Jun 4, 6:34 PM CDT	Tornado Warning	ILX	Edgar, Vermilion	56 min
Jun 4, 6:43 PM CDT	Tornado Warning	ILX	Clark, Clay, Jasper	62 min

Nearby

Tornado Warnings in Illinois, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.