Alert archive / Illinois / Wind Advisories in 2022

Wind Advisory 3, NWS Chicago, IL

February 18, 20225 counties in Illinois

NWS Chicago, IL issued this wind advisory at Feb 18, 2022, 3:24 AM CST for 5 counties in Illinois. It took effect at Feb 18, 2022, 2:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2022, 3:24 AM CST (09:24 UTC)
In effect from
Feb 18, 2022, 2:00 PM CST
Expired
Feb 19, 2022, 3:00 AM CST
In force
13 hr
Issued by
NWS Chicago, IL

Counties Boone County, IL, Lake County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL

The radar

The Milwaukee radar (KMKX), 78 km from the middle of the area, began a volume at 09:27 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, 9.4 hours before the alert went out and 164 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 2022-02-18Temperature 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 2022-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -119 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
1540 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-119 m²/s²
0-3 km storm-relative helicity
-97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this wind advisory went out at Feb 18, 2:27 AM CST, 57 minutes earlier.

Area forecast discussion, Feb 18, 2:27 AM CST, 57 minutes before
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Hazardous weather outlook, Feb 17, 3:34 PM CST, 11 hours 50 minutes before
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 PM CST Thu Feb 17 2022

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-182145-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
334 PM CST Thu Feb 17 2022 /434 PM EST Thu Feb 17 2022/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  Significant Snow Risk Through This Evening.
  Elevated Lakeshore Flood Risk.
  Limited Excessive Cold Risk.
  Limited Non Thunderstorm Wind Risk.

DISCUSSION...

Periods of snow will continue to fall at high rates of up to an
inch per hour late this afternoon, mainly to the southeast of
the Rockford area. The snow will then gradually end from west to
east through the evening. Gusty northerly winds will also result
in near blizzard conditions at times, especially south of a
Mendota to Chicago line.

Patchy blowing snow could continue even after snow ends,
especially in rural and open areas.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday and Saturday...
  Limited Excessive Cold Risk.
  Limited Non Thunderstorm Wind Risk.
Sunday...
  Limited Non Thunderstorm Wind Risk.
Monday night and Tuesday...
  Limited Ice and sleet Accumulation Risk.
Wednesday...
  Limited Excessive Cold Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

LMZ740>745-182145-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
334 PM CST Thu Feb 17 2022

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Tonight.

Weather hazards expected...

  Gale force winds and or very hazardous waves.
  Limited Freezing Spray Risk.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Gale force winds and or very hazardous waves are likely.
  Limited Freezing Spray Risk.
Saturday...
  Hazardous conditions for small craft are likely.
  Significant Freezing Spray Risk.
Sunday and Monday...
  Hazardous conditions for small craft are likely.
Tuesday...
  Hazardous conditions for small craft are likely.
  Limited Freezing Spray Risk.
Wednesday...
  Limited Freezing Spray Risk.

KJB

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In the hours before

Local storm report, Feb 17, 9:48 PM CST, 5 hours 36 minutes before
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Local storm report, Feb 17, 9:50 PM CST, 5 hours 34 minutes before
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Local storm report, Feb 17, 9:51 PM CST, 5 hours 33 minutes before
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Local storm report, Feb 17, 9:57 PM CST, 5 hours 27 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 7:56 PM CSTRiver Flood AdvisoryLOTCook13 hr
Feb 17, 8:34 PM CSTFlash Flood WatchLOTGrundy, Will4 days
Feb 17, 9:36 PM CSTRiver Flood WarningLOTLaSalle41 hr
Feb 17, 9:56 PM CSTGale WarningLOT30 hr
Feb 17, 9:56 PM CSTSmall Craft AdvisoryLOT14 hr
Feb 18, 10:12 AM CSTRiver Flood AdvisoryLOTLaSalle33 hr
Feb 18, 10:26 AM CSTWinter Weather AdvisoryLOTCook, DeKalb, DuPage, Grundy, Kane, Kankakee and 4 more23 hr
Feb 18, 11:02 AM CSTRiver Flood AdvisoryLOTGrundy, Kankakee, Will5 days
Feb 17, 9:17 PM CSTRiver Flood WarningLOTJasper9 hr
Feb 17, 9:17 PM CSTRiver Flood WarningLOTNewton53 hr
Feb 18, 11:21 AM CSTRiver Flood WarningLOTJasper, Porter21 days
Feb 18, 11:35 AM CSTRiver Flood WarningLOTLake, Newton21 days

Nearby

Wind Advisories in Illinois, 2022Every wind advisory in 2022

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.