Alert archive / Illinois / Wind Advisories in 2018

Wind Advisory 2, NWS Lincoln, IL

October 20, 201835 counties in Illinois

NWS Lincoln, IL issued this wind advisory at Oct 20, 2018, 9:36 AM CDT for 35 counties in Illinois. It took effect at Oct 20, 2018, 12:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 20, 2018, 9:36 AM CDT (14:36 UTC)
In effect from
Oct 20, 2018, 12:00 PM CDT
Expired
Oct 20, 2018, 6:00 PM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
All 35 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fulton County, IL, Jasper County, IL, Knox County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 14:36 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.6 hours before the alert went out and 46 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2018-10-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2018-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1715 m above ground
0-6 km bulk shear
94 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

641 
WWUS73 KILX 201436
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
936 AM CDT Sat Oct 20 2018

...Strong Winds Across All of Central Illinois This Afternoon...
...Freeze Warning South of I-70 Tonight...

ILZ066>068-071>073-202300-
/O.NEW.KILX.WI.Y.0002.181020T1700Z-181020T2300Z/
/O.CON.KILX.FZ.W.0006.181021T0700Z-181021T1400Z/
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Effingham, Newton, Robinson, Flora, 
Olney, and Lawrenceville
936 AM CDT Sat Oct 20 2018

...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT
SUNDAY...

The National Weather Service in Lincoln has issued a Wind
Advisory, which is in effect until 6 PM CDT this evening.

* TIMING...The strongest winds will develop between noon and 5 PM
  CDT...before winds rapidly decrease by early evening. 

* WINDS...Northwesterly winds will increase to 25 to 35 mph this
  afternoon. Gusts will reach 40 to 45 mph at times.

* IMPACTS...Driving may become difficult on north-south oriented
  roadways such as I-55, I-57, and I-155. In addition, unsecured
  outdoor items will be blown around.

* IMPACTS...Unprotected plants will likely be killed as overnight
  low temperatures drop into the upper 20s. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds 
this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will likely kill most vegetation
left outdoors if not covered.

&&

$$

ILZ027>031-036>038-040>057-061>063-202300-
/O.NEW.KILX.WI.Y.0002.181020T1700Z-181020T2300Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-
Coles-Edgar-Shelby-Cumberland-Clark-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, 
Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, 
Petersburg, Winchester, Jacksonville, Springfield, Taylorville, 
Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, 
Shelbyville, Greenup, and Marshall
936 AM CDT Sat Oct 20 2018

...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

The National Weather Service in Lincoln has issued a Wind
Advisory, which is in effect until 6 PM CDT this evening. 

* TIMING...The strongest winds will develop between noon and 5 PM
  CDT...before winds rapidly decrease by early evening.

* WINDS...Northwesterly winds will increase to 25 to 35 mph this
  afternoon. Gusts will reach 40 to 45 mph at times.

* IMPACTS...Driving may become difficult on north-south oriented
  roadways such as I-55, I-57, and I-155. In addition, unsecured
  outdoor items will be blown around.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

Barnes
1 follow-up statement
654 
WWUS73 KILX 202311
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
611 PM CDT Sat Oct 20 2018

...Strong Winds Diminishing This Evening...
...Freeze Warning South of I-70 Tonight...

ILZ066>068-071>073-210715-
/O.EXP.KILX.WI.Y.0002.000000T0000Z-181020T2300Z/
/O.CON.KILX.FZ.W.0006.181021T0700Z-181021T1400Z/
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Effingham, Newton, Robinson, Flora, 
Olney, and Lawrenceville
611 PM CDT Sat Oct 20 2018

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT
SUNDAY...
...WIND ADVISORY HAS EXPIRED...

* TEMPERATURE...Temperatures will drop below freezing tonight
  through early Sunday morning, with lows in the upper 20s by dawn
  Sunday morning across southeast Illinois.

* IMPACTS...Unprotected plants will likely be killed as 
  overnight low temperatures drop into the upper 20s. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will likely kill most vegetation
left outdoors if not covered.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

ILZ027>031-036>038-040>057-061>063-210015-
/O.EXP.KILX.WI.Y.0002.000000T0000Z-181020T2300Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-
Coles-Edgar-Shelby-Cumberland-Clark-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, 
Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, 
Petersburg, Winchester, Jacksonville, Springfield, Taylorville, 
Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, 
Shelbyville, Greenup, and Marshall
611 PM CDT Sat Oct 20 2018

...WIND ADVISORY HAS EXPIRED...

Though some gusts of 35 to 40 mph will remain possible for the
next hour, winds are diminishing considerably across the area.
Therefore the wind advisory was allowed to expire.

$$

Auten

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 3:02 AM CDTFreeze WarningILXClay, Crawford, Effingham, Jasper, Lawrence, Richland30 hr

Nearby

Wind Advisories in Illinois, 2018Every wind advisory in 2018

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.