May 1996 Remarkable air mass boundary over Central Europe

June 1996 Clear sky over Central Europe (CAVOK)

July 1996 Low pressure circulation pattern filled with cold air (left) and front related cb/ts (right)

August 1996 Initial guess of cyclogenesis

September 1996 Air flow confluence (south of Baltic Sea)

November 1996 Cold water streak between Greenland and Iceland

December 1996 Polar Front Jet Stream (PFJ) over W-Europe

January 1997 Swiss Jura, Black Forest and Vosges push through dense low level stratus

February 1997 Horizontal eddy streak south of Crete

March 1997 Convergence near the surface and upper air divergence

April 1997 Closed cellular convection over land

June 1997 Cloud cover and masked land-/water surfaces

July 1997 Floods of river Odra

September 1997 Lee effects (south of the scandinavian mountains)

October 1997 Polar Low

December 1997 Nowaya Zemlya Lee Waves

Fast moving coldfront crossing Northern Europe

March 1998 Topographic forceed air flow pattern

November 1998 The Alps (CAVOK)

December 1998 Low level inversion and internal gravity waves (cisalpin)

January 1999 Cold air mass (ST -30 C) over BALTIC SEA

March 1999 Pack-Ice at BARENTS SEA

May 1999 Extratropical cyclone NOEL

July 1999 Europe and cisalpine cumulus humilis/mediocris

August 1999 Solar Eclipse over Europe

November 1999 BORA

April 2000 ICELAND

June 2000 sun glint cis- and transalpine

July 2000 Forest Fires at GREECE and TURKEY

October 2000 First NOAA-16 / AVHRR images

January 2001 Ireland and UK "prob90" cavok

March 2001
Polar air mass cut off in connection with different sea surfaces

May 2001
Extratropical cyclone and East Mediterranean sandstorm

July 2001
"Etna" volcanic eruption

March 2002
GREENLAND, Sea Ice and Karman Vortex

August 2002
Upper level quasi-horizontal velocity divergence
and surface precipitation in northeast Germany
Divergence Equation

March 2003
Accumulation of sediments at the Adriatic coastline of Italy

August 2003
Forest Fires in Portugal

March 2004
Hurricane (?) Catarina

April 2004
Topography forces low-level vane of sandstorm crossing the MEDITERRANEAN SEA

March 2006
300 hPA Dynamicborne centers of horizontal Divergence of v(h)
at two POLAR FRONT JETSTREAM catchment areas
(dark blue lines, values .GT. 3.0 x 10E-5 [secE-1])

above BeNeLux and Switzerland
force intensive vertical upward motion and precipitation
3 March 2006, 12:00 UTC

April 2006
Coincidence of operational computed NOWCAST MSL precipitation area (EM grid, blue line, mm/6h) and
spaceborne NOAA AVHRR detected cloud patterns (superimposed)

22 April 2006, 12:00 UTC

October 2006
Remarkable divergence of v(h) at level 300 hPa (red lines)
and less advection of pos. rel. vorticity (blue lines)
in close vicinity to the right behind quadrant
of the Polarfront Jet core (catchment area) above E-France
force heavy upward motion with strong precipitation

03 October 2006, 12:00 UTC

July 2007
Cirrus patterns visualize
heavy upper air horizontal ageostrophic air motion v[h,a] (300 hPa)
in close vicinity to Polarfront Jet Core (PFJ) axis and Delta
(cross circulation northeastwards, normal and upstream accelerating)

03 July 2007, 12:00 UTC

Iceland volcano,3 October 1996 Iceland volcano,4 October 1996

Creation Date: November 2, 1996
Last Modification: June 21st, 2000

© Free University of Berlin, Institute of Meteorology, Section of Remote Sensing

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