Alert archive / Illinois / Tornado Warnings in 2002

Tornado Warning 32, NWS Paducah, KY

April 28, 2002Johnson County, Illinois

NWS Paducah, KY issued this tornado warning at Apr 28, 2002, 1:32 AM CDT for Johnson County, Illinois. It was in force for 43 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 28, 2002, 1:32 AM CDT (06:32 UTC)
Expired: Apr 28, 2002, 2:15 AM CDT
In force: 43 min
Issued by: NWS Paducah, KY
Area: Counties, with a storm outline in the text

County Johnson County, IL

The radar

The Paducah radar (KPAH), 45 km from the middle of the area, began a volume at 06:34 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, 1:46 AM CDT	Tornado F2	Vienna, IL	This tornado was produced by the same supercell thunderstorm that spawned a long-track tornado over southern Union and southwest Johnson Counties. This tornado touched down along U.S. Highway 45, about 3 miles south of Vienna. The tornado moved east across Int

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

Nashville Metro, TN (KBNA), launched 00:00Z, 6.5 hours before the alert went out and 253 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: 3 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 833 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 372 m²/s²
0-3 km storm-relative helicity: 488 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.

000 
WFUS53 KPAH 280632
TORPAH
ILC087-280715-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
132 AM CDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  JOHNSON COUNTY IN SOUTHERN ILLINOIS

* UNTIL 215 AM CDT

* AT 129 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES WEST OF
  VIENNA...MOVING EAST AT 50 MPH.

SEEK SHELTER NOW

MOVE INTO A BASEMENT...OR INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL LAW
ENFORCEMENT...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED
FOR LATER STATEMENTS.

LAT...LON 3752 8903 3734 8902 3736 8873 3755 8875

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 12:05 AM CDT	Severe Thunderstorm Warning	PAH	Jackson	40 min
Apr 28, 12:10 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jefferson	50 min
Apr 28, 12:39 AM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Wayne	36 min
Apr 28, 12:42 AM CDT	Severe Thunderstorm Warning	PAH	Jackson	18 min
Apr 28, 12:56 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Williamson	34 min
Apr 28, 1:04 AM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Saline	41 min
Apr 28, 1:07 AM CDT	Severe Thunderstorm Warning	PAH	Union	38 min
Apr 28, 1:11 AM CDT	Tornado Warning	PAH	Union	34 min
Apr 28, 1:14 AM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Wabash, White	46 min
Apr 28, 1:47 AM CDT	Tornado Warning	PAH	Pope	43 min
Apr 28, 2:07 AM CDT	Severe Thunderstorm Warning	PAH	Hardin	38 min
Apr 28, 2:14 AM CDT	Tornado Warning	PAH	Hardin	46 min
Apr 28, 2:28 AM CDT	Severe Thunderstorm Warning	PAH	Pope	32 min
Apr 28, 2:31 AM CDT	Severe Thunderstorm Warning	PAH	Massac	44 min

Nearby

Tornado Warnings in Illinois, 2002 Every tornado warning in 2002 Tornadoes 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.