Alert archive / Wisconsin / Snow Advisories in 2007
Snow Advisory 10, NWS La Crosse, WI
NWS La Crosse, WI issued this snow advisory at Dec 27, 2007, 3:13 PM CST for 6 counties in Wisconsin; Clayton County, Iowa. It took effect at Dec 28, 2007, 3:40 AM CST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2007, 3:13 PM CST (21:13 UTC)
- In effect from
- Dec 28, 2007, 3:40 AM CST
- Expired
- Dec 28, 2007, 5:58 PM CST
- In force
- 14 hr
- Issued by
- NWS La Crosse, WI
Counties Clayton County, IA, Adams County, WI, Crawford County, WI, Grant County, WI, Juneau County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 67 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 198 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
- 4 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 503 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Snow Advisories in Wisconsin, 2007Snow Advisories in Iowa, 2007Every snow advisory 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.