Alert archive / Illinois / Wind Chill Advisories in 2016
Wind Chill Advisory 1, NWS Chicago, IL
NWS Chicago, IL issued this wind chill advisory at Jan 16, 2016, 2:39 PM CST for 8 counties in Illinois. It took effect at Jan 17, 2016, 12:00 AM CST. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Jan 16, 2016, 2:39 PM CST (20:39 UTC)
- In effect from
- Jan 17, 2016, 12:00 AM CST
- Expired
- Jan 18, 2016, 12:00 PM CST
- In force
- 36 hr
- Issued by
- NWS Chicago, IL
Counties Boone County, IL, DeKalb County, IL, Kane County, IL, Lake County, IL, Lee County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL
The radar
The Chicago radar (KLOT), 80 km from the middle of the area, began a volume at 20:39 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 12:00Z, 8.7 hours before the alert went out and 154 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
- 647 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -87 m²/s²
- 0-3 km storm-relative helicity
- -47 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 chill 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 chill advisory went out at Jan 16, 2:30 PM CST, 9 minutes earlier.
Area forecast discussion, Jan 16, 2:30 PM CST, 9 minutes before
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</html>Hazardous weather outlook, Jan 16, 4:08 AM CST, 10 hours 31 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 |
|---|---|---|---|---|
| Jan 16, 3:16 PM CST | Small Craft Advisory | LOT | 51 hr |
Nearby
Wind Chill Advisories in Illinois, 2016Every wind chill advisory in 2016
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.