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Strong Start – Strong Ending; Winter 2012/13
About the Role of North- and Baltic Sea
1st Post:  27th March 2013 (1310)
Below further links to material and discussiopn  

Three month ago, in December 2012 - HERE, we question, whether severe Baltic sea ice conditions are ahead. Now it is time to archive some information on the extraordinary cold and snow rich March 2013 (HERE & HERE), Great Britain fears that: “The big freeze gripping the UK could last until almost the end of April, with sub-zero temperatures expected for the rest of the week”  say THE TELEGRAPH/UK ( 7:34AM GMT 27 Mar 2013).  

After a moderate Jan.& Feb. the March is one of the coldest for many decades (Fig 1), and will stay that way at least until early April (Fig. 4)., whereby West-Europe sees a lot of differences between north and south. The UK is in-between where maritime and continental air clashes (Fig.2).  Fig. 3 indicates air pressure and T°C on 27.March, 07pm.

Temperatures and Air pressure between 20.March to 04 April 2013

Fig. 1; Anom. 20-27 Mar.

Fig. 2;   26. March 2013

Fig.3; 27 March 2013

Fig. 4; Anom. 27/03-04/04

 A contributing role of the North Sea is obvious, when taking into account the SST of the North Sea, which is, in week 12 of the year (next Figure -5a.), about 2°C colder than in previous years (Fig. 5 to 9 ) :   

Left : Fig5a: 
See water temperature – SST
20-26 March, Week 12
2013 

Note: This year SST during the 12th week are only about 2°C lower than during the pervious years (2008 -2012; Fig. 5 to 9), but the impact on Great Britain and Northern Europe significant.

 

North Sea - Sea water temperature (SST) 2008 to 2012 during the 12th week (ca.16/20-22/27 March)

 

Fig.5b; 12th week 2008

Fig.6; 12th week 2009

Fig.7; 12th week 2010

Fig.8; 12th week 2011

Fig.9; 12th week 2012

Source:  © 2012 Bundesamt für Seeschifffahrt und Hydrographiehttp://www.bsh.de/de/Meeresdaten/Beobachtungen/Meeresoberflaechentemperatur/index.jsp

 

 

   

 

North Sea water temperature on the 27th March 2013

Fig. 10

Fig. 11

Fig. 12

  The unusual low North Sea SST contributes the cold and snowy condition in the UK . How this situation has becoming about, and whether it has an anthropogenic input is unknown: Until now science has never question the impact of human activities in the marine environment on the salt and heats structure. The extraordinary conditions offer a good chance to make progress in this matter.