Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 80, NWS Lincoln, IL

July 9, 2003Mason County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 9, 2003, 8:00 PM CDT for Mason County, Illinois. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 9, 2003, 8:00 PM CDT (01:00 UTC)
Expired: Jul 9, 2003, 9:00 PM CDT
In force: 60 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Mason County, IL

The radar

The Lincoln radar (KILX), 51 km from the middle of the area, began a volume at 01:01 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 9, 5:25 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.0 hours before the alert went out and 113 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: 3530 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1110 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 100100
TORILX
ILC125-100200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
800 PM CDT WED JUL 9 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  MASON COUNTY IN CENTRAL ILLINOIS

* UNTIL 900 PM CDT

* AT 800 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION OVER KILBOURNE...MOVING EAST AT 30 MPH. THIS STORM 
  COULD PRODUCE A TORNADO AT ANY TIME. 
  IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND 
  DAMAGING WINDS CAN BE EXPECTED WITH THIS STORM. 
  GO TO A SAFE PLACE NOW

* THE TORNADO IS EXPECTED TO BE NEAR...
  KILBOURNE
  POPLAR CITY
  EASTON
  MASON CITY

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 SAFER SHELTER.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL ESDA...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE. STAY TUNED FOR LATER STATEMENTS.

LAT...LON 4026 9010 4011 9017 4018 8965 4032 8961

$$

GOETSCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:02 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	43 min
Jul 9, 7:04 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	56 min
Jul 9, 7:12 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	48 min
Jul 9, 7:13 PM CDT	Severe Thunderstorm Warning	ILX	Mason	62 min
Jul 9, 7:22 PM CDT	Flash Flood Warning	ILX	Edgar	6 hr
Jul 9, 7:24 PM CDT	Severe Thunderstorm Warning	ILX	Peoria	66 min
Jul 9, 7:55 PM CDT	Flash Flood Warning	ILX	Mason	6 hr
Jul 9, 8:00 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	60 min
Jul 9, 8:21 PM CDT	Flash Flood Warning	ILX	Piatt	6 hr
Jul 9, 8:40 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan	5 hr
Jul 9, 9:05 PM CDT	Flash Flood Warning	ILX	Peoria, Tazewell	6 hr
Jul 9, 9:14 PM CDT	Flash Flood Warning	ILX	Fulton, Knox	6 hr
Jul 9, 9:29 PM CDT	Flash Flood Warning	ILX	Douglas	6 hr
Jul 9, 9:54 PM CDT	Tornado Warning	ILX	Fulton	66 min
Jul 9, 9:55 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	50 min
Jul 9, 10:22 PM CDT	Flash Flood Warning	ILX	Cumberland	6 hr
Jul 9, 11:15 PM CDT	Flash Flood Warning	ILX	Champaign, McLean, Vermilion, Woodford	7 hr
Jul 10, 1:08 AM CDT	Flash Flood Warning	ILX	DeWitt, Logan, Mason, Piatt	5 hr
Jul 10, 1:30 AM CDT	Flash Flood Warning	ILX	Edgar	4 hr

Nearby

Tornado Warnings in Illinois, 2003 Every tornado warning in 2003 Tornadoes in 2003

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; radar from the NEXRAD Level II archive.