Alert archive / Wisconsin / Winter Storm Watches in 2007
Winter Storm Watch 7, NWS Green Bay, WI
NWS Green Bay, WI issued this winter storm watch at Dec 21, 2007, 4:15 AM CST for 13 counties in Wisconsin. It took effect at Dec 21, 2007, 3:44 PM CST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2007, 4:15 AM CST (10:15 UTC)
- In effect from
- Dec 21, 2007, 3:44 PM CST
- Expired
- Dec 22, 2007, 5:25 AM CST
- In force
- 14 hr
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Menominee County, WI, Oneida County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 110 km from the middle of the area, began a volume at 10:18 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 00:00Z, 10.3 hours before the alert went out and 345 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
- 680 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 112 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 Dec 20, 8:16 PM CST, 7 hours 59 minutes earlier.
Area forecast discussion, Dec 20, 8:16 PM CST, 7 hours 59 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 |
|---|---|---|---|---|
| Dec 20, 8:04 PM CST | Freezing Rain Advisory | GRB | Florence, Forest, Langlade, Lincoln, Marathon, Marinette and 5 more | 13 hr |
| Dec 21, 3:38 PM CST | Dense Fog Advisory | GRB | Brown, Calumet, Door, Florence, Forest, Kewaunee and 16 more | 27 hr |
Nearby
Winter Storm Watches in Wisconsin, 2007Every winter storm watch in 2007
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.