Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 13, NWS Chicago, IL

May 28, 2003Ford County, Illinois

NWS Chicago, IL issued this tornado warning at May 28, 2003, 5:39 PM CDT for Ford County, Illinois. It was in force for 21 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: May 28, 2003, 5:39 PM CDT (22:39 UTC)
Expired: May 28, 2003, 6:00 PM CDT
In force: 21 min
Issued by: NWS Chicago, IL
Area: Counties, with a storm outline in the text

County Ford County, IL

The radar

The Lincoln radar (KILX), 99 km from the middle of the area, began a volume at 22:40 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
May 28, 2:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.7 hours before the alert went out and 51 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: 2202 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 124 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.

371 
WFUS53 KLOT 282239
TORLOT
ILC053-282300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
537 PM CDT WED MAY 28 2003

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN FORD COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 600 PM CDT

* AT 537 PM CDT...DOPPLER RADAR INDICATED STRONG ROTATION IN A SEVERE
  THUNDERSTORM NEAR 3 MILES NORTHEAST OF SIBLEY...MOVING SOUTH AT 30 
  MPH.

* THE STORM WILL REMAIN OVER MAINLY RURAL AREAS OF...
  FORD COUNTY BETWEEN GIBSON CITY AND MELVIN.

LAT...LON 4062 8824 4062 8847 4041 8836 4041 8811

$$

LABAS

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 2:42 PM CDT	Tornado Warning	LOT	Kankakee	18 min
May 28, 2:51 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, Kane, McHenry	24 min
May 28, 3:06 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	39 min
May 28, 3:30 PM CDT	Special Marine Warning	LOT		90 min
May 28, 3:30 PM CDT	Special Marine Warning	LOT		90 min
May 28, 3:30 PM CDT	Special Marine Warning	LOT		90 min
May 28, 3:30 PM CDT	Special Marine Warning	LOT		90 min
May 28, 3:34 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Kane, Kendall, Will	41 min
May 28, 3:45 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois	60 min
May 28, 3:55 PM CDT	Tornado Warning	LOT	Will	20 min
May 28, 4:10 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Livingston	50 min
May 28, 4:20 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Will	40 min
May 28, 4:34 PM CDT	Tornado Warning	LOT	Will	26 min
May 28, 4:41 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kankakee	49 min
May 28, 5:08 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois, Livingston	37 min

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.