Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 32, NWS Lincoln, IL

May 10, 2003Marshall County, Illinois

NWS Lincoln, IL issued this tornado warning at May 10, 2003, 10:43 PM CDT for Marshall County, Illinois. It was in force for 47 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 10, 2003, 10:43 PM CDT (03:43 UTC)
Expired
May 10, 2003, 11:30 PM CDT
In force
47 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Marshall County, IL

The radar

The Lincoln radar (KILX), 99 km from the middle of the area, began a volume at 03:46 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.

IssuedProductOfficeLasted
May 10, 9:35 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.7 hours before the alert went out and 111 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2003-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2426 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2003-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
2426 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
3.2
Supercell composite
17.1

Open this sounding in Storm Lab

The text

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

688 
WFUS53 KILX 110343
TORILX
ILC123-110430-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1041 PM CDT SAT MAY 10 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MARSHALL COUNTY IN CENTRAL ILLINOIS

* UNTIL 1130 PM CDT

* AT 1038 PM CDT...SPOTTERS REPORTED A TORNADO 3 MILES WEST OF
  ROANOKE. THE TORNADO WAS MOVING NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL AREAS OF SOUTHEAST MARSHALL COUNTY
  TOLUCA
  WENONA

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. DO NOT REMAIN IN YOUR CAR OR MOBILE HOME. INSTEAD...TAKE COVER
IN A REINFORCED BUILDING. GO TO A BASEMENT OR INTERIOR ROOM ON THE
LOWEST FLOOR.

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 4111 8927 4093 8928 4093 8906 4111 8907

$$

BYRD

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:38 PM CDTTornado WarningILXSchuyler52 min
May 10, 7:53 PM CDTTornado WarningILXFulton, Knox52 min
May 10, 8:19 PM CDTSevere Thunderstorm WarningILXClay, Effingham41 min
May 10, 8:25 PM CDTTornado WarningILXSchuyler50 min
May 10, 8:45 PM CDTTornado WarningILXFulton, Mason60 min
May 10, 8:46 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Jasper59 min
May 10, 8:46 PM CDTTornado WarningILXKnox, Stark44 min
May 10, 9:01 PM CDTSevere Thunderstorm WarningILXEffingham59 min
May 10, 9:19 PM CDTTornado WarningILXPeoria, Tazewell56 min
May 10, 9:29 PM CDTSevere Thunderstorm WarningILXSchuyler61 min
May 10, 9:30 PM CDTSevere Thunderstorm WarningILXSchuyler60 min
May 10, 9:45 PM CDTTornado WarningILXMason, Tazewell60 min
May 10, 9:59 PM CDTSevere Thunderstorm WarningILXFulton61 min
May 10, 10:06 PM CDTTornado WarningILXWoodford54 min
May 10, 10:35 PM CDTTornado WarningILXMcLean70 min
May 10, 11:03 PM CDTTornado WarningILXWoodford42 min

Nearby

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