Severe Weather in the Central Plains; Heavy Rainfall in the Tennessee Valley; Critical Fire Weather in the West

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains this evening. Heavy to excessive rainfall may bring a flooding threat from the Great Lakes to the Mid-South through tonight. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Overview

A long duration snow fell across much of Wisconsin, beginning Saturday afternoon, December 10th and ending Sunday evening, December 11, 2016. The heaviest snow fell from the La Crosse area down into southeast Wisconsin. The snow was light and powdery with the highest totals running in the 6 to 10 inch range. See the snow graphics below.

Low pressure tracked out of the Central Plains and passed slowly by to our south. See the map to the right. This is an ideal track for snow across southern Wisconsin. Media reported major flight delays and cancellations due to the snow in the Chicago area.

Surface Pressure Analysis 6 am 12/11/16

Snow maps
Photos

Snow: Observed Amounts

The image below is a rough analysis of the snow amounts reported to us. These amounts come from our cooperative observers, airport observers and the general public (via storm reports and social media).

Observed snowfall analysis from various observers after the storm

Here is a .pdf document with a 2 day total listing of observations from the various observers across south central and southeast Wisconsin. These amounts helped build the image above on the left.

Photos:

Pictures submitted via social media


Amy Jo Jewell-Reimer Reedsburg	Beth Walsh Delavan	Jim Steffen Grafton	Kevin Phenis Greenfield

Isaac Schluesche Drone - Sun Prairie	Lauren Webb Menomonee Falls	Luanne Schulz Madison	Mark Preuschl Beloit

Mark Preuschl Beloit	Matthew De Witt Union Grove	Ryan La Fave Racine	Trisha Faber West Bend

Jen Grudowskie Holy Hill, Richfield	Andrew Meier Kenosha	Amber Halton Howards Grove	Allison Carr Pleasant Prairie