Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 66, NWS Lincoln, IL

May 7, 2002Christian County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 7, 2002, 1:28 AM CDT for Christian County, Illinois. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 7, 2002, 1:28 AM CDT (06:28 UTC)
Expired: May 7, 2002, 2:15 AM CDT
In force: 47 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Christian County, IL

The watch it was issued in

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

Issued	Product	Office	Lasted
May 7, 12:45 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.5 hours before the alert went out and 84 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: 854 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 070628
SVRSPI
ILC021-070715-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
128 AM CDT TUE MAY 7 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 215 AM CDT

* AT 128 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EDINBURG...OR ABOUT 14 MILES SOUTHEAST OF
  SPRINGFIELD...MOVING EAST-NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STONINGTON
  MOUNT AUBURN

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 3963 8954 3957 8954 3962 8915 3980 8916
          3981 8927
CHURCHILL

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 12:12 AM CDT	Severe Thunderstorm Warning	ILX	Sangamon	48 min
May 7, 1:02 AM CDT	Severe Thunderstorm Warning	ILX	Sangamon	43 min
May 7, 1:25 AM CDT	Severe Thunderstorm Warning	ILX	Logan	50 min
May 7, 1:36 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard	39 min
May 7, 1:49 AM CDT	Severe Thunderstorm Warning	ILX	Macon	41 min
May 7, 2:41 AM CDT	Flash Flood Warning	ILX	Cass, Christian, Logan, Macon, Menard, Morgan and 3 more	6 hr
May 7, 3:18 AM CDT	Severe Thunderstorm Warning	ILX	Effingham, Shelby	42 min
May 7, 3:22 AM CDT	Flash Flood Warning	ILX	Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 3 more	7 hr
May 7, 3:40 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Jasper	35 min
May 7, 4:02 AM CDT	Flash Flood Warning	ILX	Crawford, Effingham, Jasper	7 hr

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; the sounding from the Mesonet's radiosonde archive.