Group meeting March 10, 2008




Real-time system update

New background soundings: Fixed location
YRB tropopause and ground relative
Ground relative vs. tropopause relative
Cyclone cross sections
Total cyclones in domain (2 Aug. 2007 - present) East-west
East-west
North-south
North-south
2 Dec 2007 Anticyclone East-west
Asymmetric tropopause potential temperature gradient?
Tropopause theta composite

Idealized simulations

Background profile
Initial sounding
Initialization
Stability check: Matlab initialization
Steady vortex?
Tropical storm vortex (Nolan and Montgomery 2002)
W cross section (1 hour) W cross section (5 days)
W at level of maximum w (1 hour) W at level of maximum w (5 days)
Wind cross section (1 hour) Wind cross section (5 days)
EPV cross section (1 hour) EPV cross section (5 days)
Arctic vortex (raw)
W cross section (1 hour) W cross section (5 days)
W at level of maximum w (1 hour) W at level of maximum w (5 days)
Wind cross section (1 hour) Wind cross section (5 days)
EPV cross section (1 hour) EPV cross section (5 days)
Arctic vortex (dynamic init.)
W cross section (1 hour) W cross section (5 days)
W at level of maximum w (1 hour) W at level of maximum w (5 days)
Wind cross section (1 hour) Wind cross section (5 days)
EPV cross section (1 hour) EPV cross section (5 days)