Results 21 to 30 of about 1,271 (165)

Supercell Low-Level Mesocyclones: Origins of Inflow and Vorticity

open access: yesMonthly Weather Review, 2023
Abstract The development and intensification of low-level mesocyclones in supercell thunderstorms have often been attributed, at least in part, to augmented streamwise vorticity generated baroclinically in the forward flank of supercells. However, the ambient streamwise vorticity of the environment (often quantified via storm-relative helicity ...
Brice E. Coffer   +3 more
openaire   +2 more sources

Analysis of radar echo features and environmental backgrounds of a rare severe convective weather in Shandong province

open access: yes暴雨灾害, 2020
Based on Doppler weather radar data, conventional observation data and regional automatic station meteorological data, the severe convective weather event causing severe hail and thunderstorm in Shandong Province on August 16, 2019 is analyzed.
Huaizheng YU   +3 more
doaj   +1 more source

Polar mesoscale cyclones in the northeast Atlantic: Comparing climatologies from ERA-40 and satellite imagery [PDF]

open access: yes, 2006
Polar mesoscale cyclones over the subarctic are thought to be an important component of the coupled atmosphere–ocean climate system. However, the relatively small scale of these features presents some concern as to their representation in the ...
Alan Condron   +31 more
core   +1 more source

Radar Characteristics of Straight-line Damaging Wind Producing Supercell Storms

open access: yes应用气象学报, 2022
Based on S-band Doppler weather radar data and damaging wind gust records, 56 damaging straight-line winds events from 2002 to 2020 above 25 m·s-1 caused by supercell storms are investigated.
Wang Yitong, Wang Xiuming, Yu Xiaoding
doaj   +1 more source

The 16 April 2011 EF3 Tornado in Greene County, Eastern North Carolina [PDF]

open access: yes, 2012
This paper presents a case study of an EF3 tornado that adversely impacted Greene and Pitt Counties in eastern North Carolina on 16 April 2011. This was one of the most damaging and longest-lived of the multiple tornados that occurred across central and ...
Rickenbach, Thomas M.
core   +1 more source

Analysis of the observations for a supercell causing extreme gale in Lingui

open access: yes暴雨灾害, 2019
Extreme gale of 60.3 m·s-1 was recorded by the national meteorological observation station at Lingui in Guangxi at 21:13 BT 21 March 2019, breaking the historical extreme value since the establishment of Guangxi meteorological stations.
Liping ZHAI   +3 more
doaj   +1 more source

Analysis of the first gigantic jet recorded over continental North America [PDF]

open access: yes, 2007
[1] Two low-light cameras near Marfa, Texas, recorded a gigantic jet over northern Mexico on 13 May 2005 at approximately 0423:50 UTC. Assuming that the farthest of two candidate storm systems was its source, the bright lower channel ended in a fork at ...
Boccippio   +38 more
core   +1 more source

A case study of South Australia’s severe thunderstorm and tornado outbreak 28 September 2016 [PDF]

open access: yesJournal of Southern Hemisphere Earth Systems Science, 2023
An analysis of the South Australian severe thunderstorm and tornado outbreak of 28 September 2016, which produced at least seven tornadoes and contributed to a state-wide power outage, is presented here. Although challenging, prediction and understanding
Jeffrey D. Kepert   +2 more
doaj  

Three-Dimensional Storm Structure and Low-Level Boundaries at Different Stages of Cyclic Mesocyclone Evolution in a High-Precipitation Tornadic Supercell

open access: yesAdvances in Meteorology, 2018
Nearly continuous wind retrievals every three minutes for an unprecedented 90-minute period were constructed during multiple mesocyclone cycles in a tornadic high-precipitation supercell.
Daniel P. Betten   +2 more
doaj   +1 more source

Using a composition of convective instability indices to predict the occurrence of polar mesocyclones in the Arctic region of Russia

open access: yesРоссийская Арктика, 2023
The article presents a brief description of the developed technological line for the automatic prediction of the occurrence of polar mesocyclones in the Arctic region of Russia.
Petrichenko S.A.   +3 more
doaj   +1 more source

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