Alert archive / Wisconsin / Winter Weather Advisories in 2013
Winter Weather Advisory 5, NWS Twin Cities, MN
NWS Twin Cities, MN issued this winter weather advisory at Jan 29, 2013, 2:23 PM CST for Eau Claire County, Wisconsin. It took effect at Jan 29, 2013, 6:00 PM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2013, 2:23 PM CST (20:23 UTC)
- In effect from
- Jan 29, 2013, 6:00 PM CST
- Expired
- Jan 30, 2013, 1:26 AM CST
- In force
- 7 hr
- Issued by
- NWS Twin Cities, MN
County Eau Claire County, WI
The radar
The La Crosse radar (KARX), 101 km from the middle of the area, began a volume at 20:23 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.4 hours before the alert went out and 254 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
- 473 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 219 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 weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before this winter weather advisory went out at Jan 28, 5:44 PM CST, 20 hours 39 minutes earlier.
Area forecast discussion, Jan 28, 5:44 PM CST, 20 hours 39 minutes before
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</html>Hazardous weather outlook, Jan 28, 3:39 PM CST, 22 hours 44 minutes before
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</html>Nearby
Winter Weather Advisories in Wisconsin, 2013Every winter weather advisory in 2013
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.