From Wikipedia
Geography
Sapporo is a city located in the southwest part of Ishikari Plain and the alluvial fan of the Toyohira River, a tributary stream of the Ishikari River.[15] It is part of Ishikari Subprefecture. Roadways in the urban district are laid to make a grid plan. The western and southern parts of Sapporo are occupied by a number of mountains including Mount Teine, Maruyama, and Mount Moiwa, as well as many rivers including the Ishikari River, Toyohira River, and Sōsei River. Sapporo has an elevation of 29 m (95 ft 2 in)[16]
Sapporo has many parks, including Odori Park, which is located in the heart of the city and hosts a number of annual events and festivals throughout the year. Moerenuma Park is also one of the largest parks in Sapporo, and was constructed under the plan of Isamu Noguchi, a Japanese-American artist and landscape architect.
Neighbouring cities are Ishikari, Ebetsu, Kitahiroshima, Eniwa, Chitose, Otaru, Date, and adjoining towns are Tōbetsu, Kimobetsu, Kyōgoku.
Climate
From Wikipedia
Sapporo has a humid continental climate (Köppen: Dfa), with a wide range of temperature between the summer and winter. Summers are generally warm and humid, but not oppressively hot, and winters are cold and very snowy, with an average snowfall of 4.79 m (15 ft 9 in) per year.[17] Sapporo is one of few metropolises in the world with such heavy snowfall,[18] enabling it to hold events and festivals with snow statues. The heavy snowfall is due to the Siberian High developing over the Eurasian land mass and the Aleutian Low developing over the northern Pacific Ocean, resulting in a flow of cold air southeastward across Tsushima Current and to western Hokkaido. The city’s annual average precipitation is around 1,100 mm (43.3 in), and the mean annual temperature is 8.5 °C (47.3 °F).[15]
| Climate data for Sapporo (1991−2020 normals, extremes 1877−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 11.2 (52.2) |
10.8 (51.4) |
18.3 (64.9) |
28.0 (82.4) |
34.2 (93.6) |
33.7 (92.7) |
36.0 (96.8) |
36.2 (97.2) |
32.7 (90.9) |
26.4 (79.5) |
22.4 (72.3) |
14.8 (58.6) |
36.2 (97.2) |
| Average high °C (°F) | −0.4 (31.3) |
0.4 (32.7) |
4.5 (40.1) |
11.7 (53.1) |
17.9 (64.2) |
21.8 (71.2) |
25.4 (77.7) |
26.4 (79.5) |
22.8 (73.0) |
16.4 (61.5) |
8.7 (47.7) |
2.0 (35.6) |
13.1 (55.6) |
| Daily mean °C (°F) | −3.2 (26.2) |
−2.7 (27.1) |
1.1 (34.0) |
7.3 (45.1) |
13.0 (55.4) |
17.0 (62.6) |
21.1 (70.0) |
22.3 (72.1) |
18.6 (65.5) |
12.1 (53.8) |
5.2 (41.4) |
−0.9 (30.4) |
9.2 (48.6) |
| Average low °C (°F) | −6.4 (20.5) |
−6.2 (20.8) |
−2.4 (27.7) |
3.4 (38.1) |
9.0 (48.2) |
13.4 (56.1) |
17.9 (64.2) |
19.1 (66.4) |
14.8 (58.6) |
8.0 (46.4) |
1.6 (34.9) |
−4.0 (24.8) |
5.7 (42.3) |
| Record low °C (°F) | −27.0 (−16.6) |
−28.5 (−19.3) |
−22.6 (−8.7) |
−14.6 (5.7) |
−4.2 (24.4) |
0.0 (32.0) |
5.2 (41.4) |
5.3 (41.5) |
−0.9 (30.4) |
−4.4 (24.1) |
−15.5 (4.1) |
−24.7 (−12.5) |
−28.5 (−19.3) |
| Average precipitation mm (inches) | 108.4 (4.27) |
91.9 (3.62) |
77.6 (3.06) |
54.6 (2.15) |
55.5 (2.19) |
60.4 (2.38) |
90.7 (3.57) |
126.8 (4.99) |
142.2 (5.60) |
109.9 (4.33) |
113.8 (4.48) |
114.5 (4.51) |
1,146.1 (45.12) |
| Average snowfall cm (inches) | 137 (54) |
116 (46) |
74 (29) |
6 (2.4) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
1 (0.4) |
30 (12) |
113 (44) |
479 (189) |
| Average precipitation days (≥ 0.5 mm) | 22.1 | 19.2 | 18.3 | 12.3 | 10.2 | 9.3 | 9.4 | 10.5 | 11.7 | 14.0 | 18.3 | 19.9 | 175.1 |
| Average relative humidity (%) | 69 | 68 | 65 | 61 | 65 | 72 | 75 | 75 | 71 | 67 | 67 | 68 | 69 |
| Mean monthly sunshine hours | 90.4 | 103.5 | 144.7 | 175.8 | 200.4 | 180.0 | 168.0 | 168.1 | 159.3 | 145.9 | 99.1 | 82.7 | 1,718 |
| Average ultraviolet index | 1 | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 6 | 3 | 2 | 1 | 4 |
What’s brought the RECORD BREAKING SNOWFALL IN 2022?
Between Feb 5-6, Sapporo City received an astonishing 60cm (23.6 in) of snow within 24 hours while Maibara City, Chiga Prefecture received 62cm (24.4 in). ALL-TIME AMOUNTS WITHIN A 24-HOUR PERIOD.
https://twitter.com/sayakasofiamori/status/1490576858349375488
Also, the city had a snow depth of 133cm (52.3C), the most in decades. The all-time record snow depth is 169cm (66 in) recorded on Feb 13, 1939.
Elsewhere, in even snowier places, The total accumulation through 19:00 LT on Sunday, February 6 reached 3.54 m (139.4 in) in Niigata’s Tsunan Town and 2.71 m (106.7 in) in Nagano’s Nozawaonsen Village. Both figures are the most for the municipalities in the past several years.
————————————————————————————————————————————-
Firstly, it’s been a colder-than-normal winter for Japan with a constant southward displacement of the jet stream. A cold high anchored over north and central China combined with low pressure often over southern Japan has enhanced the frequency and intensity of the ‘typical’ bitter continental winds blowing over the Sea of Japan and this has led to even more incredible snow amounts than typically would be seen. Sapporo expects an average of 15ft of snow each year.
Jet stream positioned south and perfectly aligned to drive cold, vertically stacked winds off a cold continent across the Sea of Japan and into the upslopes of Hokkaido prefecture.
Credit: Tropical Tidbits
Colder than normal 850s extending from China to Japan.
Credit: Tropical Tidbits
https://twitter.com/sayakasofiamori/status/1488107911976873985
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