Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 296, NWS Lincoln, IL

September 11, 2000Fulton County, Schuyler County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Sep 11, 2000, 9:21 PM CDT for Fulton County, Schuyler County, Illinois. It was in force for 54 min. 2 reports 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: Sep 11, 2000, 9:21 PM CDT (02:21 UTC)
Expired: Sep 11, 2000, 10:15 PM CDT
In force: 54 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Fulton County, IL, Schuyler County, IL

What was reported inside it

Time	Report	Where	Remark
Sep 11, 9:43 PM CDT	Thunderstorm Wind	Littleton, IL	Trees were blown down in the area, including a 6 to 7 inch diameter tree down over Airport Road, near Rushville.
Sep 11, 9:50 PM CDT	Thunderstorm Wind	Astoria, IL	Straight line winds blew down a few trees in the area, as well as bending over a stop sign pole 45 degrees.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 11, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.4 hours before the alert went out and 134 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: 1371 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 2176 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 120222
SVRSPI
ILC057-169-120315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
921 PM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 30 MILES NORTHWEST OF CUBA TO 
  21 MILES SOUTHWEST OF BROOKLYN. THE THUNDERSTORMS WERE MOVING EAST
  AT 40 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  BROOKLYN
  LITTLETON
  RUSHVILLE
  VERMONT
  ASTORIA
  CUBA
  IPAVA
  CANTON

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 4069 9039 4015 9090 4003 9052 4051 8990

SMITH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 11, 9:18 PM CDT	Severe Thunderstorm Warning	ILX	Knox	57 min
Sep 11, 9:57 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Stark	63 min
Sep 11, 10:19 PM CDT	Tornado Warning	ILX	Fulton, Knox	26 min
Sep 11, 10:26 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Sangamon	64 min
Sep 11, 10:26 PM CDT	Severe Thunderstorm Warning	ILX	Mason, Menard	64 min
Sep 11, 10:28 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell, Woodford	62 min
Sep 11, 10:28 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	62 min
Sep 11, 10:51 PM CDT	Severe Thunderstorm Warning	ILX	Logan	54 min
Sep 11, 11:05 PM CDT	Severe Thunderstorm Warning	ILX	McLean	55 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2000 Every severe thunderstorm warning in 2000

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.