Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 17, NWS Lincoln, IL

May 30, 2008Logan County, Illinois

NWS Lincoln, IL issued this tornado warning at May 30, 2008, 4:36 PM CDT for Logan County, Illinois. It was in force for 24 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: May 30, 2008, 4:36 PM CDT (21:36 UTC)
Expired: May 30, 2008, 5:00 PM CDT
In force: 24 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County Logan County, IL

The radar

The Lincoln radar (KILX), 10 km from the middle of the area, began a volume at 21:39 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
May 30, 5:00 PM CDT	TSTM WND DMG	Lincoln, IL	SEVERAL OBSERVATIONS AND REPORTS ACROSS LINCOLN OF LARGE TREE LIMBS DOWN. TREE LIMBS IN SOME CASES WERE UP TO 10 INCHES ESTIMATED. ALSO, STREET FLOODING HAS BEEN REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 30, 1:56 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 71 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: 57 J/kg
Mixed-layer CIN: -325 J/kg
Mixed-layer LCL: 1164 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 106 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 KILX 302136
TORILX
ILC107-302200-
/O.NEW.KILX.TO.W.0017.080530T2136Z-080530T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
436 PM CDT FRI MAY 30 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  LOGAN COUNTY IN CENTRAL ILLINOIS...

* UNTIL 500 PM CDT.

* AT 436 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES WEST OF
  MIDDLETOWN...OR ABOUT 9 MILES SOUTH OF MASON CITY...MOVING EAST AT
  48 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MIDDLETOWN...
  ELKHART...
  LINCOLN...
  CHESTNUT...
  MOUNT PULASKI...
  BEASON...

THIS INCLUDES INTERSTATE 55 BETWEEN MILE MARKERS 114 AND 136.

THIS INCLUDES INTERSTATE 155 BETWEEN MILE MARKERS 0 AND 3.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO..AS YOU MAY END UP
DRIVING INTO THE PATH OF THE STORM. TAKE SHELTER IN A STRONG
BUILDING. IF NONE IS AVAILABLE...SEEK SHELTER IN A DITCH OR LOW SPOT
AND COVER YOUR HEAD. DO NOT TAKE SHELTER UNDER OVERPASSES.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHERN ILLINOIS.

LAT...LON 4000 8915 4000 8958 4009 8958 4010 8959
      4010 8961 4022 8960 4024 8916
TIME...MOT...LOC 2136Z 266DEG 41KT 4008 8966

$$

MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 2:52 PM CDT	Areal Flood Advisory	ILX	McLean, Tazewell, Woodford	4 hr
May 30, 3:03 PM CDT	Tornado Warning	ILX	McLean	27 min
May 30, 4:11 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	49 min
May 30, 4:14 PM CDT	Tornado Warning	ILX	Cass, Mason, Menard	31 min
May 30, 4:25 PM CDT	Tornado Warning	ILX	Morgan, Scott	50 min
May 30, 4:36 PM CDT	Tornado Warning	ILX	Vermilion	12 min
May 30, 4:59 PM CDT	Tornado Warning	ILX	DeWitt, Logan, Macon	46 min
May 30, 5:08 PM CDT	Severe Thunderstorm Warning	ILX	Cass	38 min
May 30, 5:14 PM CDT	Tornado Warning	ILX	Morgan, Scott	46 min
May 30, 5:31 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, McLean, Piatt	44 min
May 30, 5:41 PM CDT	Tornado Warning	ILX	Sangamon	49 min
May 30, 5:56 PM CDT	Flash Flood Warning	ILX	McLean, Tazewell, Woodford	3 hr
May 30, 6:05 PM CDT	Tornado Warning	ILX	Champaign	40 min
May 30, 6:11 PM CDT	Tornado Warning	ILX	Morgan, Scott	49 min
May 30, 6:24 PM CDT	Tornado Warning	ILX	Vermilion	36 min
May 30, 6:29 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Morgan, Schuyler	46 min
May 30, 6:32 PM CDT	Tornado Warning	ILX	Christian, Macon, Sangamon	43 min
May 30, 6:34 PM CDT	Severe Thunderstorm Warning	ILX	McLean	16 min
May 30, 6:44 PM CDT	Tornado Warning	ILX	Champaign, Douglas, Edgar, Vermilion	31 min
May 30, 6:58 PM CDT	Tornado Warning	ILX	Morgan, Sangamon	47 min
May 30, 6:59 PM CDT	Tornado Warning	ILX	Vermilion	35 min

Nearby

Tornado Warnings in Illinois, 2008 Every tornado warning in 2008 Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.