Alert archive / Illinois / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 201, NWS Lincoln, IL

July 9, 2003Schuyler County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 9, 2003, 9:55 PM CDT for Schuyler County, Illinois. It was in force for 50 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, 9:55 PM CDT (02:55 UTC)
Expired: Jul 9, 2003, 10:45 PM CDT
In force: 50 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Schuyler County, IL

The radar

The Lincoln radar (KILX), 108 km from the middle of the area, began a volume at 02:55 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, 8:20 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.9 hours before the alert went out and 159 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: 1258 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 100255
SVRILX
ILC169-100345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
954 PM CDT WED JUL 9 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SCHUYLER COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 1045 PM CDT

* AT 954 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 15 MILES NORTH OF LITTLETON TO 23
  MILES SOUTHWEST OF CAMDEN...OR FROM MACOMB TO 20 MILES NORTHWEST OF
  PITTSFIELD...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  CAMDEN
  BROOKLYN
  LITTLETON
  RUSHVILLE
  BROWNING
  FREDERICK

DAMAGING WINDS IN EXCESS OF 65 MPH WILL ACCOMPANY THIS DANGEROUS
STORM. GO TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. ABANDON CARS AND MOBILE HOMES IF YOU ARE IN THE
WARNED AREA.

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 4029 9078 4016 9079 4011 9081 3999 9052
          4019 9027 4019 9047 4029 9047

$$

BYRD

NNNN

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, 8:00 PM CDT	Tornado Warning	ILX	Mason	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, 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

Severe Thunderstorm Warnings in Illinois, 2003 Every severe thunderstorm warning 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.