Weather radar in complex orography

U Germann, M Boscacci, L Clementi, M Gabella… - Remote Sensing, 2022 - mdpi.com
Applications of weather radar data to complex orography are manifold, as are the problems.
The difficulties start with the choice of suitable locations for the radar sites and their …

A 15‐year hail streak climatology for the Alpine region

L Nisi, A Hering, U Germann… - Quarterly Journal of the …, 2018 - Wiley Online Library
In this study, we present a unique 15‐year hail streak climatology for Switzerland based on
volumetric radar reflectivity. Two radar‐based hail detection products and an automatic …

[HTML][HTML] A reduced-space ensemble Kalman filter approach for flow-dependent integration of radar extrapolation nowcasts and NWP precipitation ensembles

D Nerini, L Foresti, D Leuenberger… - Monthly Weather …, 2019 - journals.ametsoc.org
A Reduced-Space Ensemble Kalman Filter Approach for Flow-Dependent Integration of Radar
Extrapolation Nowcasts and NWP Precipitation Ensembles in: Monthly Weather Review …

Hailstorms in the Alpine region: Diurnal cycle, 4D‐characteristics, and the nowcasting potential of lightning properties

L Nisi, A Hering, U Germann, K Schroeer… - Quarterly Journal of …, 2020 - Wiley Online Library
Nowcasting of hailstorms still poses a major challenge to weather services, because of the
limited availability of reliable large datasets and the short spatio‐temporal scales involved …

NowPrecip: Localized precipitation nowcasting in the complex terrain of Switzerland

IV Sideris, L Foresti, D Nerini… - Quarterly Journal of the …, 2020 - Wiley Online Library
The new precipitation nowcasting system “NowPrecip” is introduced and its methodology is
described in detail. NowPrecip is an area‐tracking application, able to generate ensembles …

A 10‐year radar‐based analysis of orographic precipitation growth and decay patterns over the Swiss Alpine region

L Foresti, IV Sideris, L Panziera… - Quarterly Journal of …, 2018 - Wiley Online Library
The dependence of precipitation growth and decay on the orientation of orographic features,
mesoscale flow and freezing‐level height is quantified using a 10‐year archive of composite …

[PDF][PDF] Weather radar data calibration and monitoring

M Schneebeli, A Leuenberger, M Frech… - Adv. Weather …, 2024 - palindrome-rs.ch
Weather radar calibration involves all aspects of relating the received power that is
backscattered by hydrometeors to the physical abundance and the location of the …

[PDF][PDF] Stationary and slow-moving convection over Switzerland: a 14-year radar-based climatology

MP Aregger - 2021 - occrdata.unibe.ch
Convective storms are often associated with high rainfall rates, and if a convective storm
stays stationary or moves slowly, the area over which it occurs will experience high …

Ensemble precipitation nowcasting: limits to prediction, localization and seamless blending

D Nerini - 2019 - research-collection.ethz.ch
Nowcasting precipitation, that is, accurately predicting its location and intensity minutes to a
few hours ahead, is a difficult task. Extreme rainfall events can be a threat to the population …