Identification

Title

Impact of the SST and topography on the development of a large-hail storm event, on the Adriatic Sea

Abstract

On July 10, 2019 an unusual and severe weather event hit Italy: a trough extending southward from northern Europe affected Italy and the Balkans, as it advected cold air over the Adriatic Sea, causing heavy damage because of giant hailstones reaching the ground. Between 08 UTC and 12 UTC of July 10, 2019, a deep convective cell developed along the coast of Marche in the vicinity of Ancona and quickly moved southward along the coast producing intense rainfall and hail, in particular near Pescara. In this work, the dynamics and thermodynamics responsible for triggering and maintaining the storm are investigated using the WRF (Weather Research and Forecasting) numerical model with the HAILCAST module activated. Several numerical experiments are carried out using a 1-km grid spacing with the aim of investigating in particular the impact of the orography and the SST anomaly in triggering and guiding the convective system. The results show that both the topography and the air-sea interaction played a key role: the topography guided the cold and dry air coming from the north, while the warm SST favored the instability of the environment. The SST anomaly plays a crucial role in creating the conditions necessary to generate the favorable conditions that led to the supercell and the giant hailstorm.

Resource type

document

Resource locator

Unique resource identifier

code

https://n2t.org/ark:/85065/d7f18zx7

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

Text

originating controlled vocabulary

title

Resource Type

reference date

date type

publication

effective date

2016-01-01T00:00:00Z

Geographic location

West bounding longitude

East bounding longitude

North bounding latitude

South bounding latitude

Temporal reference

Temporal extent

Begin position

End position

Dataset reference date

date type

publication

effective date

2023-12-01T00:00:00Z

Frequency of update

Quality and validity

Lineage

Conformity

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Use constraints

Limitations on public access

None

Responsible organisations

Responsible party

contact position

OpenSky Support

organisation name

UCAR/NCAR - Library

full postal address

PO Box 3000

Boulder

80307-3000

email address

opensky@ucar.edu

web address

http://opensky.ucar.edu/

name: homepage

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact