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Winter UTCI variability in Poland in the 21st century

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Miscellanea Geographica
Thematic Issue: UTCI application in different spatial and temporal scales. Editors: Krzysztof Błażejczyk, Bożena Kicińska.

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Figure 1

Location of meteorological stations used for this study against the background of bioclimatic regions, following K. Błażejczyk (Błażejczyk & Kunert 2011). Names of bioclimatic regions are presented in Table 1
Location of meteorological stations used for this study against the background of bioclimatic regions, following K. Błażejczyk (Błażejczyk & Kunert 2011). Names of bioclimatic regions are presented in Table 1

Figure 2

Frequency (%) of various thermal stress categories (UTCI) at 12.00 UTC during winter season (DJF) in Poland, 2001/02 – 2017/18 (Source: own elaboration)
Frequency (%) of various thermal stress categories (UTCI) at 12.00 UTC during winter season (DJF) in Poland, 2001/02 – 2017/18 (Source: own elaboration)

Figure 3

Number of days in thermoneutral category at 12.00 UTC in winter season (DJF) in selected meteorological stations in Poland, 2001/02 – 2017/18 (Source: own elaboration)
Number of days in thermoneutral category at 12.00 UTC in winter season (DJF) in selected meteorological stations in Poland, 2001/02 – 2017/18 (Source: own elaboration)

Figure 4

Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) in the Coastal region, 2001/02 - 2017/18 (Source: own elaboration)
Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) in the Coastal region, 2001/02 - 2017/18 (Source: own elaboration)

Figure 5

Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) UTC in the Sudetic region, 2001/02 – 2017/18 (Source: own elaboration)
Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) UTC in the Sudetic region, 2001/02 – 2017/18 (Source: own elaboration)

Figure 6

Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) at selected meteorological stations in the Central region, 2001/02 – 2017/18 (Source: own elaboration)
Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) at selected meteorological stations in the Central region, 2001/02 – 2017/18 (Source: own elaboration)

Figure 7

Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) in the North-East region, 2001/02 – 2017/18 (Source: own elaboration)
Number of days in strong cold stress categories (SCS+VSCS+ECS) at 12.00 UTC in the winter season (DJF) in the North-East region, 2001/02 – 2017/18 (Source: own elaboration)

Figure 8

Selected measures of location (lower and upper quantile) and range (minimum and maximum) of air temperature, relative humidity, wind speed and cloudiness during strong cold stress (SCS + VSCS + ECS) in Poland in the winter season (DJF) (Source: own elaboration)
Selected measures of location (lower and upper quantile) and range (minimum and maximum) of air temperature, relative humidity, wind speed and cloudiness during strong cold stress (SCS + VSCS + ECS) in Poland in the winter season (DJF) (Source: own elaboration)

Assessment scale of UTCI

UTCI (°C)Heat stress categoryRecommendations for protection
> 46.0extreme heat stress EHSperiodical cooling and drinking > 0.5 l·h–1 necessary; stay inactive
38.1 – 46.0very strong heat stress VSHSperiodical use of air conditioning or shaded sites, and drinking > 0.5 l·h–1 necessary; reduce activity
32.1 – 38.0strong heat stress SHSdrinking > 0.25 l·h–1 necessary; keep to shady places and reduce activity
26.1 – 32.0moderate heat stress MHSdrinking > 0.25 l·h–1 necessary
9.1 – 26.0thermoneutral zone TZphysiological thermoregulation sufficient to stay comfortable
0.1 – 9.0slight cold stress SlCSuse gloves and cap
–12.9 – 0.0moderate cold stress MCSincrease activity; protect extremities and face against cooling
–26.9 – –13.0strong cold stress SCSstrongly increase activity; protect face and extremities; use better insulated clothing
–39.9 – –27.0very strong cold stress VSCSstrongly increase activity; clothing; protect reduce face and time extremities; outdoors use better insulated
≤ –40.0extreme cold stress ECSstay indoors or use heavy, wind-protective clothing

Mean seasonal (DJF) values of selected meteorological elements at 12.00 UTC in Poland, 2001/02 – 2017/18

Name and number of regionName of stationt [°C]f [%]N [octant]v [m·s-1]
Coastal (I)Łeba1.781.96.35.8
Świnoujście2.283.35.63.5
Lakeland (II)Szczecin2.480.96.34.7
Chojnice0.285.96.64.6
Lakeland (II)Szczecin2.480.96.34.7
Chojnice0.285.96.64.6
North-East (III)Białystok-0.982.86.63.2
Suwałki-1.686.26.54.3
Central (IV)Toruń1.080.76.43.3
Warszawa0.580.36.34.3
Wrocław2.576.26.24.3
Zielona Góra1.581.86.33.7
South-East (V)Lublin-0.482.56.53.8
Terespol-0.480.56.63.5
Upland (VI)Kraków1.179.06.14.2
Rzeszów0.679.36.45.2
Sudetic (VII)Jelenia Góra1.974.36.13.4
Śnieżka-5.485.16.314.2
Carpathian (VIII)Zakopane-0.171.25.92.0
Kasprowy Wierch-6.781.66.07.4
eISSN:
2084-6118
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Geosciences, Geography, other