Alert archive / Illinois / Wind Advisories in 2021

Wind Advisory 1, NWS Lincoln, IL

February 4, 202112 counties in Illinois

NWS Lincoln, IL issued this wind advisory at Feb 4, 2021, 7:32 PM CST for 12 counties in Illinois. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Feb 4, 2021, 7:32 PM CST (01:32 UTC)
Expired
Feb 5, 2021, 12:00 AM CST
In force
4 hr
Issued by
NWS Lincoln, IL

Counties Champaign County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 96 km from the middle of the area, began a volume at 01:33 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 00:00Z, 1.5 hours before the alert went out and 50 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 00:00Z on 2021-02-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2021-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -165 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-165 m²/s²
0-3 km storm-relative helicity
-57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

208 
WWUS73 KILX 050132
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
732 PM CST Thu Feb 4 2021

ILZ043>046-053>057-061>063-050600-
/O.NEW.KILX.WI.Y.0001.210205T0132Z-210205T0600Z/
De Witt-Piatt-Champaign-Vermilion-Macon-Moultrie-Douglas-Coles-
Edgar-Shelby-Cumberland-Clark-
Including the cities of Clinton, Monticello, Champaign, Urbana, 
Danville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris,
Shelbyville, Greenup, and Marshall
732 PM CST Thu Feb 4 2021

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...West winds 20 to 30 mph with gusts to around 50 mph.

* WHERE...Portions of central and east central Illinois, generally
  east of highway 51. 

* WHEN...Until midnight CST tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Geelhart
1 follow-up statement
185 
WWUS73 KILX 050608
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
1208 AM CST Fri Feb 5 2021

ILZ043>046-053>057-061>063-050715-
/O.EXP.KILX.WI.Y.0001.000000T0000Z-210205T0600Z/
De Witt-Piatt-Champaign-Vermilion-Macon-Moultrie-Douglas-Coles-
Edgar-Shelby-Cumberland-Clark-
Including the cities of Clinton, Monticello, Champaign, Urbana, 
Danville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris,
Shelbyville, Greenup, and Marshall
1208 AM CST Fri Feb 5 2021

...WIND ADVISORY HAS EXPIRED...

Winds have fallen below advisory criteria, but gusts of 30 to 40 
mph will linger over the next few hours. Therefore, the advisory 
has been allowed to expire.

$$

NMB

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 2:01 PM CSTWind Chill AdvisoryILXCass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more45 hr
Feb 5, 2:01 PM CSTWinter Weather AdvisoryILXCass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more33 hr

Nearby

Wind Advisories in Illinois, 2021Every wind advisory in 2021

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.