Alert archive / Illinois / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 2, NWS Lincoln, IL

February 9, 2001DeWitt County, Logan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Feb 9, 2001, 8:35 AM CST for DeWitt County, Logan County, Illinois. It was in force for 55 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
Feb 9, 2001, 8:35 AM CST (14:35 UTC)
Expired
Feb 9, 2001, 9:30 AM CST
In force
55 min
Issued by
NWS Lincoln, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties DeWitt County, IL, Logan County, IL

What was reported inside it

TimeReportWhereRemark
Feb 9, 9:00 AM CSTThunderstorm Wind 50 EKenney, ILLarge tree limb reported down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.6 hours before the alert went out and 47 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 12:00Z on 2001-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2001-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 455 square meters per square second.1939587897Sfc1 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
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.

895 
WUUS53 KILX 091437
SVRSPI
ILC039-107-091530-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DE WITT COUNTY IN CENTRAL ILLINOIS
  LOGAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 930 AM CST

* AT 835 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS FROM LINCOLN TO 14 MILES SOUTHWEST
 SOUTHWEST OF MOUNT PULASKI...MOVING NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  CHESTNUT
  BEASON
  LINCOLN
  KENNEY
  CLINTON
  WAPELLA

THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH...
DAMAGING HAIL...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 4018 8942 3998 8935 4015 8883 4026 8873

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 9, 8:29 AM CSTSevere Thunderstorm WarningILXChristian, Macon, Sangamon61 min
Feb 9, 8:40 AM CSTSevere Thunderstorm WarningILXMcLean65 min
Feb 9, 9:14 AM CSTSevere Thunderstorm WarningILXMoultrie, Shelby61 min
Feb 9, 9:14 AM CSTSevere Thunderstorm WarningILXPiatt61 min
Feb 9, 11:15 AM CSTSevere Thunderstorm WarningILXCumberland60 min
Feb 9, 12:00 PM CSTFlash Flood WarningILXCumberland4 hr
Feb 9, 12:59 PM CSTFlash Flood WarningILXEffingham4 hr
Feb 9, 1:05 PM CSTFlash Flood WarningILXClark, Coles, Edgar4 hr
Feb 9, 3:30 PM CSTFlash Flood WarningILXCumberland2 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2001Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.