Alert archive / Wisconsin / Winter Weather Advisories in 2021

Winter Weather Advisory 10, NWS La Crosse, WI

November 13, 202110 counties in Wisconsin; Wabasha County, Winona County, Minnesota

NWS La Crosse, WI issued this winter weather advisory at Nov 13, 2021, 1:51 PM CST for 10 counties in Wisconsin; Wabasha County, Winona County, Minnesota. It took effect at Nov 13, 2021, 5:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Nov 13, 2021, 1:51 PM CST (19:51 UTC)
In effect from
Nov 13, 2021, 5:00 PM CST
Expired
Nov 14, 2021, 6:00 AM CST
In force
13 hr
Issued by
NWS La Crosse, WI

Counties Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 47 km from the middle of the area, began a volume at 19:56 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, 7.9 hours before the alert went out and 221 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2021-11-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2021-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
784 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 5:42 PM CSTWind AdvisoryARXChickasaw, Fayette, Floyd, Mitchell14 hr

Nearby

Winter Weather Advisories in Wisconsin, 2021Winter Weather Advisories in Minnesota, 2021Every winter weather advisory in 2021

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.