Alert archive / Illinois / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 3, NWS Lincoln, IL

February 9, 2001McLean County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Feb 9, 2001, 8:40 AM CST for McLean County, Illinois. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Feb 9, 2001, 8:40 AM CST (14:40 UTC)
Expired: Feb 9, 2001, 9:45 AM CST
In force: 65 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McLean County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.7 hours before the alert went out and 49 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: 681 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 455 m²/s²
0-3 km storm-relative helicity: 527 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.

412 
WUUS53 KILX 091443
SVRSPI
ILC113-091545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
840 AM CST FRI FEB 9 2001

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCLEAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 945 AM CST

* AT 840 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORMS FROM 13 MILES NORTHWEST OF 
  BLOOMINGTON TO 14 MILES SOUTHWEST OF BLOOMINGTON...MOVING          
  NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  BLOOMINGTON
  DOWNS
  LEXINGTON
  LE ROY
  COOKSVILLE
  COLFAX

THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 
MPH...FREQUENT LIGHTNING...AND VERY HEAVY RAIN. TAKE SHELTER IN A 
STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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 4072 8897 4034 8902 4033 8858 4068 8860

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 8:29 AM CST	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon	61 min
Feb 9, 8:35 AM CST	Severe Thunderstorm Warning	ILX	DeWitt, Logan	55 min
Feb 9, 9:14 AM CST	Severe Thunderstorm Warning	ILX	Moultrie, Shelby	61 min
Feb 9, 9:14 AM CST	Severe Thunderstorm Warning	ILX	Piatt	61 min
Feb 9, 11:15 AM CST	Severe Thunderstorm Warning	ILX	Cumberland	60 min
Feb 9, 12:00 PM CST	Flash Flood Warning	ILX	Cumberland	4 hr
Feb 9, 12:59 PM CST	Flash Flood Warning	ILX	Effingham	4 hr
Feb 9, 1:05 PM CST	Flash Flood Warning	ILX	Clark, Coles, Edgar	4 hr
Feb 9, 3:30 PM CST	Flash Flood Warning	ILX	Cumberland	2 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2001 Every severe thunderstorm warning in 2001

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.