Alert archive / Illinois / Tornado Warnings in 2017

Tornado Warning 10, NWS Lincoln, IL

March 7, 2017McLean County, Tazewell County, Illinois

NWS Lincoln, IL issued this tornado warning at Mar 7, 2017, 12:03 AM CST for McLean County, Tazewell County, Illinois. It was in force for 27 min. 5 reports 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: Mar 7, 2017, 12:03 AM CST (06:03 UTC)
Expired: Mar 7, 2017, 12:30 AM CST
In force: 27 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties McLean County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 36 km from the middle of the area, began a volume at 06:07 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
Mar 7, 12:03 AM CST	FUNNEL CLOUD	2 Ne Delavan, IL	BETWEEN HOPEDALE AND DELAVAN.
Mar 7, 12:08 AM CST	TSTM WND DMG	2 Ne Delavan, IL	ON A HOG FARM, A MACHINE SHED WAS DAMAGED, A CORN RIB WAS TWISTED, BUT HOUSE WAS NOT DAMAGED.
Mar 7, 12:09 AM CST	FUNNEL CLOUD	Hopedale, IL	UP AND DOWN FUNNEL CLOUD. POPPING IN AND OUT OF CLOUDS. TRAVELING BETWEEN DELAVAN, HOPEDALE AND MINIER.
Mar 7, 12:09 AM CST	TORNADO 2	1 Nne Delavan, IL	PATH LENGTH 2.8 MILES, WIDTH 200 YARDS. ONE OUTBUILDING WAS SIGNIFICANTLY DAMAGED, WITH LESS INTENSE DAMAGE TO SEVERAL OTHERS. THE TORNADO DISSIPATED 4.1 MILES NORTHEAST OF DELAVAN AT 1213 AM.
Mar 7, 12:09 AM CST	TORNADO	1 Nne Delavan, IL	PATH LENGTH 2.8 MILES, WIDTH 200 YARDS. ONE OUTBUILDING WAS SIGNIFICANTLY DAMAGED, WITH LESS INTENSE DAMAGE TO SEVERAL OTHERS. THE TORNADO DISSIPATED 4.1 MILES NORTHEAST OF DELAVAN AT 1213 AM.

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
Mar 6, 8:52 PM CST	Tornado Watch	SPC	6 hr
Mar 6, 10:35 PM CST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.1 hours before the alert went out and 80 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: 4 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 484 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

034 
WFUS53 KILX 070603
TORILX
ILC113-179-070630-
/O.NEW.KILX.TO.W.0010.170307T0603Z-170307T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
1203 AM CST TUE MAR 7 2017

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southeastern Tazewell County in central Illinois...
  West central McLean County in central Illinois...

* Until 1230 AM CST
    
* At 1203 AM CST, a severe thunderstorm capable of producing a
  tornado was located over Green Valley, or 12 miles north of Mason
  City, moving east at 65 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Hopedale around 1215 AM CST. 
  Mackinaw and Minier around 1220 AM CST. 

Other locations impacted by this tornadic thunderstorm include
Dillon.

This includes Interstate 155 between mile markers 12 and 25.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4061 8927 4033 8926 4032 8971 4043 8972
TIME...MOT...LOC 0603Z 250DEG 55KT 4037 8963 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Shimon

2 follow-up statements

572 
WWUS53 KILX 070616
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1216 AM CST TUE MAR 7 2017

ILC113-179-070630-
/O.CON.KILX.TO.W.0010.000000T0000Z-170307T0630Z/
Tazewell-McLean-
1216 AM CST TUE MAR 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CST FOR
SOUTHEASTERN TAZEWELL AND WEST CENTRAL MCLEAN COUNTIES...
        
At 1215 AM CST, a severe thunderstorm capable of producing a tornado
was located near Hopedale, or 13 miles southeast of Pekin, moving
northeast at 65 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Weather spotters reported a funnel cloud. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Goodfield around 1225 AM CST. 

This includes Interstate 155 between mile markers 12 and 25.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4061 8927 4033 8926 4032 8950 4051 8951
TIME...MOT...LOC 0615Z 243DEG 56KT 4048 8940 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Shimon

214 
WWUS53 KILX 070625
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1225 AM CST TUE MAR 7 2017

ILC113-179-070633-
/O.EXP.KILX.TO.W.0010.000000T0000Z-170307T0630Z/
Tazewell-McLean-
1225 AM CST TUE MAR 7 2017

...THE TORNADO WARNING FOR SOUTHEASTERN TAZEWELL AND WEST CENTRAL
MCLEAN COUNTIES WILL EXPIRE AT 1230 AM CST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A tornado watch remains in effect until 400 AM CST for central
Illinois.

A severe thunderstorm watch remains in effect until 500 AM CST for
central Illinois.

Remember, a Severe Thunderstorm Warning still remains in effect for 
Tazewell County until 1245 am CST and for western McLean county 
until 115 am CST.

LAT...LON 4061 8927 4033 8926 4032 8950 4051 8951
TIME...MOT...LOC 0623Z 248DEG 55KT 4053 8926 

$$

Shimon

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 10:32 PM CST	Severe Thunderstorm Warning	ILX	Cass, Fulton, Knox, Mason, Peoria, Schuyler and 1 more	28 min
Mar 6, 10:58 PM CST	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria, Schuyler, Stark	62 min
Mar 6, 10:59 PM CST	Tornado Warning	ILX	Knox	19 min
Mar 6, 11:03 PM CST	Tornado Warning	ILX	Knox	42 min
Mar 6, 11:08 PM CST	Tornado Warning	ILX	Fulton, Knox	37 min
Mar 6, 11:21 PM CST	Severe Thunderstorm Warning	ILX	Cass, Mason, Morgan, Scott	54 min
Mar 6, 11:49 PM CST	Severe Thunderstorm Warning	ILX	Cass, Fulton, Logan, Mason, Menard, Peoria and 2 more	56 min
Mar 6, 11:54 PM CST	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark, Woodford	38 min
Mar 7, 12:05 AM CST	Severe Thunderstorm Warning	ILX	Logan, Menard, Morgan, Sangamon	25 min
Mar 7, 12:21 AM CST	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Marshall, Woodford	54 min
Mar 7, 12:30 AM CST	Severe Thunderstorm Warning	ILX	Christian, DeWitt, Logan, Macon, Morgan, Sangamon	60 min
Mar 7, 1:16 AM CST	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	44 min
Mar 7, 1:46 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	29 min
Mar 7, 1:57 AM CST	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas, Shelby	48 min
Mar 7, 2:17 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	28 min
Mar 7, 2:25 AM CST	Severe Thunderstorm Warning	ILX	Clark, Coles, Edgar	35 min
Mar 7, 2:37 AM CST	Special Weather Statement	ILX	Crawford, Jasper	23 min
Mar 7, 3:14 AM CST	Special Weather Statement	ILX	Lawrence	46 min

Nearby

Tornado Warnings in Illinois, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.