Alert archive / Illinois / Wind Advisories in 2023
Wind Advisory 4, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Mar 31, 2023, 3:06 AM CDT for 18 counties in Illinois; 5 counties in Indiana. It took effect at Mar 31, 2023, 3:00 PM CDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2023, 3:06 AM CDT (08:06 UTC)
- In effect from
- Mar 31, 2023, 3:00 PM CDT
- Expired
- Apr 1, 2023, 4:00 PM CDT
- In force
- 25 hr
- Issued by
- NWS Chicago, IL
All 23 counties
Boone County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Will County, IL, Winnebago County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 12 km from the middle of the area, began a volume at 08:07 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, 8.1 hours before the alert went out and 158 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1995 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Mar 31, 2:35 AM CDT, 31 minutes earlier.
Area forecast discussion, Mar 31, 2:35 AM CDT, 31 minutes before
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</html>Hazardous weather outlook, Mar 30, 3:50 PM CDT, 11 hours 16 minutes before
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Special weather statement, Mar 31, 12:55 AM CDT, 2 hours 11 minutes before
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 12:55 AM CDT | Special Weather Statement | LOT | Kane | 35 min |
| Mar 31, 1:48 AM CDT | Special Weather Statement | LOT | Cook, DuPage | 27 min |
| Mar 31, 3:26 AM CDT | Gale Warning | LOT | 40 hr | |
| Mar 31, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 34 min |
| Mar 31, 3:46 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 44 min |
| Mar 31, 3:53 PM CDT | Special Weather Statement | LOT | Iroquois | 22 min |
| Mar 31, 3:55 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee | 65 min |
| Mar 31, 4:07 PM CDT | Severe Thunderstorm Warning | LOT | Will | 38 min |
| Mar 31, 4:14 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 24 min |
| Mar 31, 4:22 PM CDT | Special Marine Warning | LOT | 98 min | |
| Mar 31, 4:26 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 39 min |
| Mar 31, 4:33 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 57 min |
| Mar 31, 4:37 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 38 min |
| Mar 31, 4:53 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee | 37 min |
| Mar 31, 6:06 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 54 min |
| Mar 31, 6:09 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane | 4 hr |
| Mar 31, 6:13 PM CDT | Flash Flood Warning | LOT | Cook, DuPage | 58 min |
| Mar 31, 6:45 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 75 min |
| Mar 31, 6:54 PM CDT | Tornado Warning | LOT | Lee | 36 min |
| Mar 31, 6:56 PM CDT | Tornado Warning | LOT | Ogle | 19 min |
Nearby
Wind Advisories in Illinois, 2023Wind Advisories in Indiana, 2023Every wind advisory in 2023
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.