Alert archive / Wisconsin / Wind Chill Watches in 2015

Wind Chill Watch 1, NWS La Crosse, WI

January 3, 2015Clark County, Taylor County, Wisconsin

NWS La Crosse, WI issued this wind chill watch at Jan 3, 2015, 3:10 PM CST for Clark County, Taylor County, Wisconsin. It took effect at Jan 4, 2015, 6:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 3, 2015, 3:10 PM CST (21:10 UTC)
In effect from: Jan 4, 2015, 6:00 PM CST
Expired: Jan 4, 2015, 3:56 AM CST
In force
Issued by: NWS La Crosse, WI

Counties Clark County, WI, Taylor County, WI

The radar

The La Crosse radar (KARX), 138 km from the middle of the area, began a volume at 21:10 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 240 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1030 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS La Crosse, WI wrote its last area forecast discussion before this wind chill watch went out at Jan 3, 11:00 AM CST, 4 hours 10 minutes earlier.

Area forecast discussion, Jan 3, 11:00 AM CST, 4 hours 10 minutes before

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Hazardous weather outlook, Jan 3, 4:04 AM CST, 11 hours 6 minutes before

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In the hours before

Local storm report, Jan 3, 9:52 AM CST, 5 hours 18 minutes before

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The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 3, 3:10 PM CST	Winter Storm Watch	ARX	Crawford, Grant, Richland, Vernon	37 hr
Jan 3, 3:44 AM CST	Winter Weather Advisory	ARX	Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek	29 hr

Nearby

Wind Chill Watches in Wisconsin, 2015 Every wind chill watch in 2015

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.