Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 41, NWS Lincoln, IL

April 27, 2002Fulton County, Peoria County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 27, 2002, 10:19 PM CDT for Fulton County, Peoria County, Illinois. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 27, 2002, 10:19 PM CDT (03:19 UTC)
Expired: Apr 27, 2002, 11:00 PM CDT
In force: 41 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Fulton County, IL, Peoria County, IL

What was reported inside it

Time	Report	Where	Remark
Apr 27, 10:24 PM CDT	Hail 0.88	Trivoli, IL

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
Apr 27, 6:30 PM CDT	Tornado Watch	SPC	6 hr
Apr 27, 7:45 PM CDT	Tornado Watch	SPC	4 hr
Apr 27, 10:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.3 hours before the alert went out and 118 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: 5 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 438 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 403 m²/s²
0-3 km storm-relative helicity: 461 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

759 
WUUS53 KILX 280319
SVRSPI
ILC057-143-280400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1018 PM CDT SAT APR 27 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 1100 PM CDT

* AT 1018 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 8 MILES WEST OF TRIVOLI TO
  IPAVA...OR FROM 11 MILES NORTH OF CANTON TO 10 MILES WEST OF       
  LEWISTOWN...MOVING EAST AT 45 MPH. DIME SIZE HAIL WAS REPORTED
  NEAR MIDDLE GROVE AT 1007 PM.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  CANTON
  TRIVOLI
  ST. DAVID
  LEWISTOWN
  HANNA CITY
  GLASFORD
  BELLEVUE
  PEORIA

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 4071 9043 4025 9047 4063 8965 4071 8963

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:20 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	55 min
Apr 27, 10:42 PM CDT	Severe Thunderstorm Warning	ILX	Mason, Tazewell, Woodford	48 min
Apr 27, 10:43 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie, Piatt	47 min
Apr 27, 11:30 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Edgar	30 min
Apr 27, 11:52 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	38 min
Apr 27, 11:58 PM CDT	Flash Flood Warning	ILX	Coles, Edgar	4 hr
Apr 27, 11:58 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	32 min
Apr 28, 12:31 AM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	44 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2002 Every severe thunderstorm warning in 2002

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.