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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
 et 
Elwira Żmudzka
Elwira Żmudzka
   | 31 janv. 2022
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Publié en ligne: 31 janv. 2022
Pages: 63 - 74
Reçu: 23 oct. 2020
Accepté: 10 mai 2021
DOI: https://doi.org/10.2478/mgrsd-2020-0065
Mots clés
© 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
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).
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)
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)
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
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
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.
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)
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)
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
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)
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
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
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−1rain - 6.4 mm windgust - 23.3 ms−1hail ⌀ 2–3 cmrain - 21.0 mm
Number of interventions 527 260
eISSN:
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Langue:
Anglais
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