Alert archive / Wisconsin / Winter Storm Watches in 2018
Winter Storm Watch 2, NWS Green Bay, WI
NWS Green Bay, WI issued this winter storm watch at Jan 20, 2018, 3:11 PM CST for 9 counties in Wisconsin. It took effect at Jan 22, 2018, 6:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 20, 2018, 3:11 PM CST (21:11 UTC)
- In effect from
- Jan 22, 2018, 6:00 AM CST
- Expired
- Jan 21, 2018, 2:35 PM CST
- In force
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Oconto County, WI, Oneida County, WI, Vilas County, WI
The radar
The Green Bay radar (KGRB), 128 km from the middle of the area, began a volume at 21:09 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
Minneapolis, MN (KMPX), launched 12:00Z, 9.2 hours before the alert went out and 367 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
- 1597 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Green Bay, WI wrote its last area forecast discussion before this winter storm watch went out at Jan 20, 2:58 PM CST, 13 minutes earlier.
Area forecast discussion, Jan 20, 2:58 PM CST, 13 minutes before
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</html>The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 2:56 PM CST | Gale Watch | GRB | 25 hr |
Nearby
Winter Storm Watches in Wisconsin, 2018Every winter storm watch in 2018
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.