Alert archive / Wisconsin / Winter Storm Watches in 2013

Winter Storm Watch 1, NWS La Crosse, WI

January 26, 201312 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota

NWS La Crosse, WI issued this winter storm watch at Jan 26, 2013, 4:05 AM CST for 12 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota. It took effect at Jan 27, 2013, 9:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 26, 2013, 4:05 AM CST (10:05 UTC)
In effect from: Jan 27, 2013, 9:00 AM CST
Expired: Jan 26, 2013, 3:19 PM CST
In force
Issued by: NWS La Crosse, WI

All 27 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 32 km from the middle of the area, began a volume at 10:06 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, 10.1 hours before the alert went out and 211 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: 1003 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 105 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 winter storm 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 winter storm watch went out at Jan 25, 11:15 PM CST, 4 hours 50 minutes earlier.

Area forecast discussion, Jan 25, 11:15 PM CST, 4 hours 50 minutes before

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Hazardous weather outlook, Jan 25, 3:27 PM CST, 12 hours 38 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 26, 3:19 PM CST	Winter Storm Warning	ARX	Adams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more	31 hr
Jan 26, 3:19 PM CST	Winter Weather Advisory	ARX	Taylor	21 hr

Nearby

Winter Storm Watches in Wisconsin, 2013 Winter Storm Watches in Iowa, 2013 Winter Storm Watches in Minnesota, 2013 Every winter storm watch 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.