Ian Simmonds

Trends and variability in polar sea ice, global atmospheric circulations, and baroclinicity

Ian Simmonds, Muyuan Li

Journal article  |  2021  |  ANNALS OF THE NEW YORK ACADEMY OF SCIENCES

We analyze the polar sea ice distribution and the global sea level pressure (SLP) and baroclinicity distributions over the "satell..

Global analysis of cyclone-induced compound precipitation and wind extreme events

Martina Messmer, Ian Simmonds

Journal article  |  2021  |  WEATHER AND CLIMATE EXTREMES

Compound extremes, which involve extremes in two or more meteorological parameters, have received little attention until now. We p..

Antarctic skin temperature warming related to enhanced downward longwave radiation associated with increased atmospheric advection of moisture and temperature

Kazutoshi Sato, Ian Simmonds

Journal article  |  2021  |  ENVIRONMENTAL RESEARCH LETTERS

We investigate linear trends in Antarctic skin temperatures (temperatures from about the top millimeter of the surface) over the f..

A Mediterranean cold front identification scheme combining wind and thermal criteria

Evangelia Bitsa, Helena A Flocas, John Kouroutzoglou, George Galanis, Maria Hatzaki, George Latsas, Irina Rudeva, Ian Simmonds

Journal article  |  2021  |  INTERNATIONAL JOURNAL OF CLIMATOLOGY

The goal of this study is to advance an automated and objective scheme for the identification of cold fronts over the Mediterranea..

Midlatitude Winter Extreme Temperature Events and Connections with Anomalies in the Arctic and Tropics

Irina Rudeva, Ian Simmonds

Journal article  |  2021  |  JOURNAL OF CLIMATE

For the last few decades the Northern Hemisphere midlatitudes have seen an increasing number of temperature extreme events. It has..

Antarctic Peninsula warm winters influenced by Tasman Sea temperatures

Kazutoshi Sato, Jun Inoue, Ian Simmonds, Irina Rudeva

Journal article  |  2021  |  NATURE COMMUNICATIONS

The Antarctic Peninsula of West Antarctica was one of the most rapidly warming regions on the Earth during the second half of the ..

Collaborative impact of the NAO and atmospheric blocking on European heatwaves, with a focus on the hot summer of 2018

Muyuan Li, Yao Yao, Ian Simmonds, Dehai Luo, Linhao Zhong, Xiaodan Chen

Journal article  |  2020  |  ENVIRONMENTAL RESEARCH LETTERS

Two intense heatwaves of July and early August 2018 are found to be associated with a European blocking (EB) event accompanied by ..

Development of a Front Identification Scheme for Compiling a Cold Front Climatology of the Mediterranean

E Bitsa, H Flocas, J Kouroutzoglou, M Hatzaki, I Rudeva, I Simmonds

Journal article  |  2019  |  CLIMATE

The objective of this work is the development of an automated and objective identification scheme of cold fronts in order to produ..

The Australian Northwest Cloudband: Climatology, Mechanisms, and Association with Precipitation

Kimberley J Reid, Ian Simmonds, Claire L Vincent, Andrew D King

Journal article  |  2019  |  JOURNAL OF CLIMATE

Australian northwest cloudbands (NWCBs) are continental-scale bands of continuous cloud that stretch from northwest to southeast A..

Sub synoptic scale features of the South Australia Storm of September 2016-Part II: analysis of mechanisms driving the gusts

Nick Earl, Ian Simmonds

Journal article  |  2019  |  WEATHER

An extreme extratropical cyclone (ETC) struck South Australia on 28 September 2016, causing state-wide blackouts and damage. In th..