Another report about extreme weather, CAGW suspected.

By: hcubed , 6:59 PM GMT on April 12, 2012

Unfortunately, though, this extreme weather occured about 100 years ago.

It tells of weather leading up to a fateful night - April 14th 1912. Yes, we're talking about the Titanic‘s collision with an iceberg in the North Atlantic.

It occured in an area that the crew wouldn’t expect icebergs, especially one large enough to sink them.

Now, also remember, in the last post, they said that there was a particulary bad heat wave in 1910 ('...A similar, though not as intense heat wave occurred in March 1910..."). Yet two years later, severe cold set in:

The 1912 United States cold wave (also called 1912 cold air outbreak) remains one of the coldest winters yet to occur over the northern United States.

January, 1912 was the coldest on record for Norfolk, NE, at -39°C and Pennsylvania State College weather station recorded -30°C on the night of January 11th. This was reinforced by a comment from a Canadian newspaper,

"...What made the winter of 1912 a record-breaker was not the absolute cold – 1934 was worse – but that it settled in quickly and stayed put..."

So it was a prolonged cold spell, a point confirmed by another source.

"...It started in December 1911 and continued into late February 1912. February and March continued the unrelenting freeze. Both months were unusually cold, and March was the coldest on record for many states in the Midwest and Northeast. Parts of North Dakota saw their coldest March readings to date. Some cities saw their coldest weather that winter since the Little Ice Age. 1912 itself was a very cold year..."

These conditions indicate a very deep prolonged outbreak of cold arctic air across central and eastern North America that became a blocking high pressure system. Yes, they had blocking highs back then, too. Persistence of the pattern resulted in severe weather or prolonged weather in other regions. All are characteristic of a Meridional Pattern of flow in the Circumpolar Vortex (Jet Stream).

In England, the general weather pattern was notable because of cool wet conditions;

"...The almost complete absence of summer weather and the frequent rains at almost all seasons have rendered 1912 memorable. The bad weather was more noticeable by contrast with the magnificent weather of 1911..."

All this confirms that a very deep northerly flow of cold arctic air persisted over eastern North America. This would drive cold Labrador Current water further south carrying the icebergs with it. The cold air reduced above water ablation of the icebergs. Confluence of the cold arctic water and warm tropical water make the region south of Newfoundland the foggiest region in the world. Conditions in 1912 enhanced the fog forming potential that further hampered the lookouts. This was the final event in a sequence of weather conditions that resulted in a terrible maritime disaster.

The phrase about "CAGW suspected"? Well, since it happened after the start of the industrial revolution, it HAD to be man's use of fossil fuels that drove a heat wave in 1910, "magnificent" weather in 1911 and an arctic blast in 1912. According to most climate scientists, there are no natural causes that can cause those extreme temperature swings in the weather.

And, for the Titanic, it was catastrophic.

The views of the author are his/her own and do not necessarily represent the position of The Weather Company or its parent, IBM.

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About hcubed

Living in Biloxi MS, have been here since '85 (first Hurricane was Elena).