A brief introduction to potential vorticity with no equations

January 30, 2019May 9, 2020 metblogger

by Mathew Barlow, UML Professor of Climate Science 1. Definitions Vorticity is a measure of local rotation in the atmosphere, and potential vorticity is an extension of vorticity that further accounts for the distribution of mass relative to the rotation. Potential vorticity can be thought of as the fluid equivalent to angular momentum. It may […]

January 19-20, 2019 Winter Storm

January 19, 2019 metblog

Good morning! The overnight guidance trended quite a bit warmer for the event tonight and tomorrow, so let’s dive right in! Timing and Precipitation Type Snow begins during the 5-7 PM timeframe this evening. This could pose a few travel issues, but the serious problems don’t begin until after about 9 or 10 PM. Heavy […]

UML Weather Center

Month: January 2019

A brief introduction to potential vorticity with no equations

January 19-20, 2019 Winter Storm