Alert archive / Illinois / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 166, NWS Lincoln, IL

November 5, 20174 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Nov 5, 2017, 2:17 PM CST for 4 counties in Illinois. It was in force for 43 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: Nov 5, 2017, 2:17 PM CST (20:17 UTC)
Expired: Nov 5, 2017, 3:00 PM CST
In force: 43 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Champaign County, IL, Douglas County, IL, Edgar County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 115 km from the middle of the area, began a volume at 20:19 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 5, 12:35 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 61 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: 1199 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 454 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 382 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.2

Open this sounding in Storm Lab

The text

As transmitted.

239 
WUUS53 KILX 052017
SVRILX
ILC019-041-045-183-052100-
/O.NEW.KILX.SV.W.0166.171105T2017Z-171105T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
217 PM CST SUN NOV 5 2017

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Northern Edgar County in east central Illinois...
  Southern Vermilion County in east central Illinois...
  Southeastern Champaign County in east central Illinois...
  Douglas County in east central Illinois...

* Until 300 PM CST

* At 217 PM CST, a severe thunderstorm was located near Tuscola,
  moving east at 55 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Tuscola, Georgetown, Westville, Arcola, Villa Grove, Chrisman,
  Atwood, Ridge Farm, Newman, Sidell, Camargo, Hume, Broadlands,
  Brocton, Hindsboro, Allerton, Edgar, Bourbon, Indianola and
  Murdock.

This includes Interstate 57 between mile markers 203 and 216.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 700 PM CST for east central
Illinois.

LAT...LON 3965 8843 3980 8846 4008 8753 3972 8753
TIME...MOT...LOC 2017Z 255DEG 49KT 3977 8835 

HAIL...1.00IN
WIND...60MPH
 
$$

Barnes

2 follow-up statements

387 
WWUS53 KILX 052034
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
234 PM CST SUN NOV 5 2017

ILC019-041-045-183-052100-
/O.CON.KILX.SV.W.0166.000000T0000Z-171105T2100Z/
Edgar-Vermilion-Champaign-Douglas-
234 PM CST SUN NOV 5 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CST
FOR NORTHERN EDGAR...SOUTHERN VERMILION...SOUTHEASTERN CHAMPAIGN AND
DOUGLAS COUNTIES...

At 232 PM CST, a severe thunderstorm was located near Camargo, 
moving east at 55 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Tuscola, Georgetown, Westville, Arcola, Villa Grove, Chrisman,
Atwood, Ridge Farm, Newman, Sidell, Camargo, Hume, Broadlands,
Brocton, Hindsboro, Allerton, Edgar, Bourbon, Indianola and Murdock.

This includes Interstate 57 between mile markers 203 and 216.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 700 PM CST for east central
Illinois.

LAT...LON 3965 8843 3980 8846 4008 8753 3972 8753
TIME...MOT...LOC 2032Z 259DEG 33KT 3978 8820 

HAIL...1.00IN
WIND...60MPH
 
$$

Barnes

049 
WWUS53 KILX 052051
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
251 PM CST SUN NOV 5 2017

ILC019-041-045-183-052101-
/O.EXP.KILX.SV.W.0166.000000T0000Z-171105T2100Z/
Edgar-Vermilion-Champaign-Douglas-
251 PM CST SUN NOV 5 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN EDGAR...SOUTHERN
VERMILION...SOUTHEASTERN CHAMPAIGN AND DOUGLAS COUNTIES WILL EXPIRE
AT 300 PM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However gusty winds
and heavy rain are still possible with this thunderstorm.

A tornado watch remains in effect until 700 PM CST for east central
Illinois.

LAT...LON 3965 8843 3980 8846 4008 8753 3972 8753
TIME...MOT...LOC 2051Z 255DEG 49KT 3984 8789 

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 3:58 AM CST	Dense Fog Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more	6 hr
Nov 5, 10:35 AM CST	Special Weather Statement	ILX	Lawrence	25 min
Nov 5, 11:10 AM CST	Special Weather Statement	ILX	Champaign, Moultrie, Piatt, Vermilion	50 min
Nov 5, 11:42 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	48 min
Nov 5, 12:54 PM CST	Severe Thunderstorm Warning	ILX	Christian, Macon	28 min
Nov 5, 2:05 PM CST	Special Weather Statement	ILX	Douglas	40 min
Nov 5, 2:49 PM CST	Severe Thunderstorm Warning	ILX	Christian, Moultrie, Shelby	41 min
Nov 5, 3:27 PM CST	Special Weather Statement	ILX	Coles, Cumberland, Effingham	48 min
Nov 5, 4:19 PM CST	Severe Thunderstorm Warning	ILX	Clark	41 min
Nov 5, 5:09 PM CST	Flash Flood Warning	ILX	Clay, Jasper	3 hr
Nov 5, 5:36 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	24 min
Nov 5, 5:57 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	33 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2017 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.