From Wikipedia:
"White Christmas Around the World"
White Christmases in
Canada
:
In most parts of Canada
it is likely to have a white Christmas in most years, except for the coast and
southern interior valleys of British Columbia, southern Alberta, southern Ontario, and parts of Atlantic Canada - in those places Christmas
without snow is not uncommon in warmer years, with the British Columbia coast
the least likely place to have a white Christmas. The definition of a white
Christmas in Canada is 2 cm (0.79 in) of snow-cover or more on Christmas morning
at 7 am.[6]
Environment
Canada released data that averages from 1955-2011 the chance of a White
Christmas in several Canadian cities.[6]
| Location | Probability |
|---|---|
| Vancouver | 11% |
| Calgary | 56% |
| Edmonton | 86% |
| Saskatoon | 93% |
| Regina | 91% |
| Winnipeg | 98% |
| Sudbury | 95% |
| Windsor | 46% |
| Toronto | 46% |
| Ottawa | 81% |
| Montreal | 77% |
| Quebec City | 98% |
| Halifax | 58% |
| St. John's | 61% |
| Whitehorse | 100% |
| Yellowknife | 100% |
White Christmases in the United States:
In the United States,
there is often - but not always - snow on the ground at Christmas in the
northern states, except in the Pacific Northwest, with the northern Plains
the most likely to see snow on the ground at Christmas. Some of the least likely
white Christmases that have happened include the 2004 Christmas Eve Snowstorm,
which brought the first white Christmas in 50 years to New Orleans and caused the first recorded white
Christmas in Houston, Texas. The 2004 storm also brought the
first measurable snow of any kind since 1895 to Brownsville, Texas, and its twin city of Matamoros,
Mexico. The Florida winter storm of 1989
also occurred immediately before Christmas causing a white Christmas for cities
like Pensacola
and Jacksonville. The same storm buried Wilmington, North Carolina and the
rest of Southeastern North Carolina under 15 in (38 cm) of snow.
White Christmases in the United Kingdom:
In the United Kingdom, white
Christmases were more common from the 1550s to the 1850s, during the Little Ice Age, but
during the 20th Century there were only seven official white Christmases in
England.
| Location | Probability |
|---|---|
| London | 6% |
| Birmingham | 15% |
| Aberporth | 9% |
| Glasgow | 35% |
| Aberdeen | 53% |
| Belfast | 22% |
| Lerwick | 75% |
| Bradford | 14% (since 1971) |
| St Mawgan | 10% (since 1957) |
White Christmases in
Ireland ;
In Ireland, the prospect of early winter snow is always
remote due to the country's mild and wet climate (snowfall is most common in
January and February). Bookmakers offer odds every year for a white Christmas,
which is officially lying snow being recorded at 09:00 local time on Christmas
Day, and recorded at either Dublin Airport, Belfast International Airport or
Cork Airport (bets are
offered for each airport). Snow is most common in the north, and, as such,
Belfast usually has better odds than Dublin, and considerably better odds than
Cork, which is at the extreme south of the country.
Since 1961,
countrywide, snow has fallen on 17 Christmas Days (1961, 1962, 1964,
1966, 1970, 1980, 1984, 1990, 1993, 1995, 1998, 1999, 2000, 2001, 2004, 2009 and
2010), with nine of these having snow lying on the ground at 09:00 (1964,
1970, 1980, 1993, 1995, 1999, 2004, 2009 and 2010). The maximum amount of lying
snow ever recorded on Christmas Day was 27 centimetres at Casement
Aerodrome in 2010.
White Christmases in Romania:
| Location | Probability |
|---|---|
| Bucharest | 75% |
| Iași | 80% |
| Timişoara | 70% |
| Cluj Napoca | 85% |
| Constanta | 65% |
| Miercurea Ciuc | 90% |
| Craiova | 75% |
| Braşov | 85% |
| Satu Mare | 75% |
White Christmases in other parts of Europe:
In Europe, snow at
Christmas is common in Norway, Sweden, Finland, the Baltic States, Russia, Ukraine, Belarus, and Poland. In general, due to the influence
of the warm Gulf Stream on
European climate, chances of a white Christmas are lower the further west. For
example, in southern France a white Christmas is very rare, while in Bucharest, Romania, which is at a similar latitude, it is much
more likely. Northern Italy and the mountain regions of central-south Italy may
also have a white Christmas. In cities such as Turin, Milan or Bologna a
Christmas with falling snow or snow on the ground is not a rarity.
Southern Hemisphere:
Because Christmas
occurs during the summer, white Christmases are especially rare events in the
Southern hemisphere, apart from Antarctica which is generally uninhabited. In 2006,
a snowstorm hit the Snowy Mountains in New South Wales and Victoria,
arriving on Christmas Morning and bringing nearly 12 in (30 cm) of snow in
higher areas.[13] This was an
especially rare event because it occurred during Australia's typically warm
summer. However a significant accumulation of hail, which can fall in the
summer, occurred on the ground in some areas of Melbourne on Christmas Day 2011,
giving the appearance of a 'White Christmas'.[14] In New Zealand's
Southern Alps snow can
fall any day of the year and a white Christmas is very possible. A white
Christmas in the southern hemisphere (specifically those close to Antarctica) is
approximately equivalent to having snow in the northern hemisphere on June 25,
and in some ways is even less likely because the Northern Hemisphere has
population centers farther from the equator than does the Southern
Hemisphere.
^ This was interesting - especially after my last post. ^
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