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Miscellanea Geographica
Volume 26 (2022): Issue 1 (January 2022)
Open Access
Severe storms
as an example of a natural hazard in the urban area – case studies of the area of Warsaw, Poland
Krzysztof Piasecki
Krzysztof Piasecki
and
Elwira Żmudzka
Elwira Żmudzka
| Jan 31, 2022
Miscellanea Geographica
Volume 26 (2022): Issue 1 (January 2022)
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Published Online:
Jan 31, 2022
Page range:
63 - 74
Received:
Oct 23, 2020
Accepted:
May 10, 2021
DOI:
https://doi.org/10.2478/mgrsd-2020-0065
Keywords
Thunderstorm
,
supercell
,
synoptic conditions
,
damages
,
urban area
,
Warsaw
© 2022 Krzysztof Piasecki et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
Meteorological and sounding stations, and other places in the area of WarsawSource: own study
Figure 2
Synoptic weather charts: 17 June 2016, 00:00 UTC and 12:00 UTCSource: National Weather Service (IMWM – NRI).
Figure 3
Bounded weak echo region signature, visible before tracking in Warsaw: 17 June 2016, 10:23 UTCSource: National Weather Service (IMWM – NRI)
Figure 4
PPI 0.5° product, supercell storm core over Warsaw, bounded by other convective cells: 17 June 2016, 11:03 UTCSource: National Weather Service (IMWM – NRI)
Figure 5
Interventions of the National Fire Service taken after several wind gusts on 17 June 2016Source: own study based on National Fire Service data
Figure 6
Damage in the central district of Warsaw: 17 June 2016Photo: Krzysztof Piasecki
Figure 7
Direction of the wind based on the direction of fall of the trees; fig. 7d: map of analysed areas: 17 June 2016Source: own study based on orthophotomap provided by geoportal.gov.pl.
Figure 8
Synoptic weather charts: 4 September 2016, 12:00 UTC and 5 September 2016, 00:00 UTCSource: National Weather Service (IMWM – NRI)
Figure 9
PPI 0.5° radar product between 17:33 and 18:53 UTC (a – 17:33, b – 17:53, c – 18:13, d – 18:33, e – 18:44, f – 18:53): 4 September 2016Source: National Weather Service (IMWM – NRI)
Figure 10
Shelf cloud in front of the forward flank downdraft (FFD) of the supercell storm approaching the central district of Warsaw: 4 September 2016, 18:55 UTCPhoto: Krzysztof Piasecki
Figure 11
PPI 0.5° and cross-section images of supercell storm before approaching Warsaw: 4 September 2016, 18:53 UTCSource: National Weather Service (IMWM – NRI)
Figure 12
Interventions of the National Fire Service taken after several wind gusts on 4 September 2016Source: own study based on National Fire Service data
Figure 13
Wind damage in Warsaw on 4 September 2016 – broken trees and damaged carsPhoto: Krzysztof Piasecki
A summary of storm detail
Date
17 June 2016
4 September 2016
Start time
11:00 UTC
18:50 UTC
Duration
5 minutes
10 minutes
Type of storm
supercell
supercell
Radar signatures
BWER
BWER, overhang
Meteorological characteristic
wind gust - 28.0 ms
−1
rain - 6.4 mm
windgust - 23.3 ms
−1
hail ⌀ 2–3 cm
rain - 21.0 mm
Number of interventions
527
260
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