Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 47, NWS Lincoln, IL

April 27, 2002Edgar County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 27, 2002, 11:58 PM CDT for Edgar County, Illinois. It was in force for 32 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, 11:58 PM CDT (04:58 UTC)
Expired: Apr 28, 2002, 12:30 AM CDT
In force: 32 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Edgar County, IL

The radar

The Indianapolis radar (KIND), 116 km from the middle of the area, began a volume at 04:55 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.

What was reported inside it

Time	Report	Where	Remark
Apr 28, 12:30 AM CDT	Thunderstorm Wind 55 E	Paris, IL	Several trees and powerlines were blown down. Some of the fallen trees caused minor damage to a couple of homes. A large farm shed was destroyed on the south edge of town.

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, 10:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 94 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 439 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 516 m²/s²
0-3 km storm-relative helicity: 567 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 280458
SVRSPI
ILC045-280530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1158 PM CDT SAT APR 27 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 1230 AM CDT

* AT 1158 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF VERMILION...OR ABOUT 7
  MILES SOUTH OF PARIS...MOVING NORTHEAST AT 65 MPH.

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.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES AT ANY TIME.

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 3987 8768 3950 8775 3950 8754 3989 8756

AUTEN

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:19 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria	41 min
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 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; radar from the NEXRAD Level II archive.