Synoptic conditions of snow occurrence in Budapest
Daily circulation patterns responsible for snow occurrence in Budapest were analysed. Three types of circulation patterns were distinguished, using a Principal Component Analysis and clustering technique, for days with snowfalls and snow cover persistence. Low pressure systems located over the Itali...
Main Author: | |
---|---|
Format: | Article |
Language: | English |
Published: |
Borntraeger
2008-02-01
|
Series: | Meteorologische Zeitschrift |
Online Access: | http://dx.doi.org/10.1127/0941-2948/2008/0262 |
_version_ | 1797332579787997184 |
---|---|
author | Ewa Bednorz |
author_facet | Ewa Bednorz |
author_sort | Ewa Bednorz |
collection | DOAJ |
description | Daily circulation patterns responsible for snow occurrence in Budapest were analysed. Three types of circulation patterns were distinguished, using a Principal Component Analysis and clustering technique, for days with snowfalls and snow cover persistence. Low pressure systems located over the Italian Peninsula (southwest of Budapest) are characteristic for days with snowfalls. Such lows coming from the west generate warm fronts and are a source of humidity necessary for the snowfalls. At the same time, higher pressure extends north or east of the Carpathian Basin and brings polar continental air masses and consequently low temperature. Snow persistence also requires temperature below zero. This condition is fulfilled at the airflow direction from the east (or south east) which brings frosty air from the interior of the continent. A winter high pressure system extending over the Carpathian Basin also generates low temperature, mainly due to the nocturnal radiation conditioned by a clear sky. |
first_indexed | 2024-03-08T07:50:58Z |
format | Article |
id | doaj.art-890a9caf93464451a6b4a7442205ad1e |
institution | Directory Open Access Journal |
issn | 0941-2948 |
language | English |
last_indexed | 2024-03-08T07:50:58Z |
publishDate | 2008-02-01 |
publisher | Borntraeger |
record_format | Article |
series | Meteorologische Zeitschrift |
spelling | doaj.art-890a9caf93464451a6b4a7442205ad1e2024-02-02T14:46:20ZengBorntraegerMeteorologische Zeitschrift0941-29482008-02-01171394510.1127/0941-2948/2008/026256568Synoptic conditions of snow occurrence in BudapestEwa BednorzDaily circulation patterns responsible for snow occurrence in Budapest were analysed. Three types of circulation patterns were distinguished, using a Principal Component Analysis and clustering technique, for days with snowfalls and snow cover persistence. Low pressure systems located over the Italian Peninsula (southwest of Budapest) are characteristic for days with snowfalls. Such lows coming from the west generate warm fronts and are a source of humidity necessary for the snowfalls. At the same time, higher pressure extends north or east of the Carpathian Basin and brings polar continental air masses and consequently low temperature. Snow persistence also requires temperature below zero. This condition is fulfilled at the airflow direction from the east (or south east) which brings frosty air from the interior of the continent. A winter high pressure system extending over the Carpathian Basin also generates low temperature, mainly due to the nocturnal radiation conditioned by a clear sky.http://dx.doi.org/10.1127/0941-2948/2008/0262 |
spellingShingle | Ewa Bednorz Synoptic conditions of snow occurrence in Budapest Meteorologische Zeitschrift |
title | Synoptic conditions of snow occurrence in Budapest |
title_full | Synoptic conditions of snow occurrence in Budapest |
title_fullStr | Synoptic conditions of snow occurrence in Budapest |
title_full_unstemmed | Synoptic conditions of snow occurrence in Budapest |
title_short | Synoptic conditions of snow occurrence in Budapest |
title_sort | synoptic conditions of snow occurrence in budapest |
url | http://dx.doi.org/10.1127/0941-2948/2008/0262 |
work_keys_str_mv | AT ewabednorz synopticconditionsofsnowoccurrenceinbudapest |