Alert archive / Illinois / Wind Advisories in 2021

Wind Advisory 8, NWS Lincoln, IL

November 14, 2021Knox County, Illinois

NWS Lincoln, IL issued this wind advisory at Nov 14, 2021, 2:11 AM CST for Knox County, Illinois. It took effect at Nov 14, 2021, 6:00 AM CST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Nov 14, 2021, 2:11 AM CST (08:11 UTC)
In effect from
Nov 14, 2021, 6:00 AM CST
Expired
Nov 14, 2021, 10:12 AM CST
In force
4 hr
Issued by
NWS Lincoln, IL

County Knox County, IL

The radar

The Quad Cities radar (KDVN), 82 km from the middle of the area, began a volume at 08:13 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

Davenport, (KDVN), launched 00:00Z, 8.2 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-pSkew-T log-p diagram, Davenport, at 00:00Z on 2021-11-14Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2021-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897Sfc1 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
764 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

847 
WWUS73 KILX 140811
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
211 AM CST Sun Nov 14 2021

ILZ027-142100-
/O.NEW.KILX.WI.Y.0008.211114T1200Z-211114T2100Z/
Knox-
Including the city of Galesburg
211 AM CST Sun Nov 14 2021

...WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 3 PM CST
THIS AFTERNOON...

* WHAT...Occasional wind gusts exceeding 45 mph

* WHERE...Portions of northwest Illinois

* WHEN...Until 3pm

* IMPACTS...A few small tree limbs may succumb to these gusts, and
  loose objects should be tied down or secured to mitigate
  property loss or damage. Additionally, gusty cross winds may
  make travel more difficult along I-55 and I-57.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph are expected. 
Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
872 
WWUS73 KILX 141612
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
1012 AM CST Sun Nov 14 2021

ILZ027-141715-
/O.CAN.KILX.WI.Y.0008.000000T0000Z-211114T2100Z/
Knox-
Including the city of Galesburg
1012 AM CST Sun Nov 14 2021

...WIND ADVISORY IS CANCELLED...

Blustery northwest winds will continue through this afternoon, 
but wind gusts over 45 mph are no longer expected.

$$

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.