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Atmosphere, Volume 10, Issue 12

December 2019 - 92 articles

Cover Story: Late-spring severe blizzards are crucially important due to agricultural damages and economic loss, with long-term consequences. The predictability of their occurrence, intensity, and location are challenging issues. Recent analysis emphasizes a development mechanism based on the coupled contribution of tropospheric ageostrophic circulations associated to jet streaks. These circulations: (1) interact under local and regional forcing (sea surface temperature, topography, and latent heat) and (2) feedback on enhancing an upper-level jet’s secondary streak, leading to a persistent, severe event. The enhanced secondary jet streak appears for severe events, as shown by 40 years of knowledge of late-spring severe blizzards over the area. Understanding the preconditioning indicated by this analysis could be useful in operational forecast analysis. View this paper.
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Articles (92)

  • Article
  • Open Access
27 Citations
8,409 Views
14 Pages

Application of DPPH Assay for Assessment of Particulate Matter Reducing Properties

  • Maria Agostina Frezzini,
  • Federica Castellani,
  • Nayma De Francesco,
  • Martina Ristorini and
  • Silvia Canepari

16 December 2019

Different acellular assays were developed to measure particulate matter’s (PM) oxidative potential (OP), a metric used to predict the ability of PM in generating oxidative stress in living organisms. However, there are still fundamental open is...

  • Article
  • Open Access
13 Citations
2,934 Views
15 Pages

16 December 2019

Based on the observation data from the Poyang Lake Basin (China), an extreme precipitation event (EPE) is defined as that for which daily precipitation exceeded a threshold of 50 mm over a continuous area for a given time scale. By considering the sp...

  • Article
  • Open Access
5 Citations
3,831 Views
12 Pages

Effects of Modified Surface Roughness Length over Shallow Waters in a Regional Model Simulation

  • So-Young Kim,
  • Song-You Hong,
  • Young Cheol Kwon,
  • Yong Hee Lee and
  • Da-Eun Kim

16 December 2019

The effects of modified sea-surface roughness length over shallow waters are examined in a regional climate simulation over East Asia centered on the Korean Peninsula, using the Advanced Research Weather Research and Forecasting model (WRF-ARW). The...

  • Article
  • Open Access
22 Citations
4,230 Views
19 Pages

15 December 2019

Twenty-five climate indices based on daily maximum and minimum temperature and precipitation at 15 meteorological stations were examined to investigate changes in temperature and precipitation extremes over the Yarlung Tsangpo River Basin (1970&ndash...

  • Article
  • Open Access
12 Citations
4,612 Views
16 Pages

Sodar Observation of the ABL Structure and Waves over the Black Sea Offshore Site

  • Vasily Lyulyukin,
  • Margarita Kallistratova,
  • Daria Zaitseva,
  • Dmitry Kuznetsov,
  • Arseniy Artamonov,
  • Irina Repina,
  • Igor Petenko,
  • Rostislav Kouznetsov and
  • Artem Pashkin

14 December 2019

Sodar investigations of the breeze circulation and vertical structure of the atmospheric boundary layer (ABL) were carried out in the coastal zone of the Black Sea for ten days in June 2015. The measurements were preformed at a stationary oceanograph...

  • Article
  • Open Access
7 Citations
5,193 Views
16 Pages

14 December 2019

Artificial discontinuities in time series are a great problem for trend analysis because they influence the values of the trend and its significance. The aim of this paper is to investigate their occurrence in the Modern-Era Retrospective analysis fo...

  • Article
  • Open Access
8 Citations
3,785 Views
20 Pages

14 December 2019

The influence of large-scale teleconnection patterns, Western Pacific (WP), Arctic Oscillation (AO) and El Niño-Southern Oscillation (ENSO), on the minimum surface air temperature (Tmin) anomalies and extremes over East Asia during the boreal...

  • Article
  • Open Access
10 Citations
4,021 Views
12 Pages

13 December 2019

Due to the great success of the CYclone Global Navigation Satellite System (CYGNSS) mission, the follow-on GNSS Reflectometry (GNSS-R) missions are being planned. In the perceivable future, signal sources for GNSS-R missions can originate from multip...

  • Article
  • Open Access
11 Citations
4,311 Views
17 Pages

Cloud Occurrence Frequency at Puy de Dôme (France) Deduced from an Automatic Camera Image Analysis: Method, Validation, and Comparisons with Larger Scale Parameters

  • Jean-Luc Baray,
  • Asmaou Bah,
  • Philippe Cacault,
  • Karine Sellegri,
  • Jean-Marc Pichon,
  • Laurent Deguillaume,
  • Nadège Montoux,
  • Vincent Noel,
  • Geneviève Seze and
  • Franck Gabarrot
  • + 2 authors

13 December 2019

We present a simple algorithm that calculates the cloud occurrence frequency at an altitude site using automatic camera image analysis. This algorithm was applied at the puy de Dôme station (PUY, 1465 m. a.s.l., France) over 2013–2018. Cloud detectio...

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Atmosphere - ISSN 2073-4433