The output of the RICO intercomparison case

Margreet van Zanten

KNMI, The Netherlands

LES participants

model mom. adv. scalar adv. SGS model

DALES CD CD Deardorff

RAMS@NOAA CD Monotone (?) Deardorff

RAMS ? ? Deardorff

UKMO PW adv Monotone Smagorinsky

JAMSTEC CD CD Deardorff

WVU CD PPM (?) Deardorff(?)

SAM CD Monotone 1,5 order TKE

MESO-NH CD CD Deardorff

COAMPS ? ? ?

DHARMA UTOPIA UTOPIA Smagorisnky

UCLA CD, 4th monotone Smagorisnky

LES participantsmodel microphysics timestep

[s]# proc

duration

[hours]

DALES 2nd moment, Nc fixed 1 8 190

RAMS@NOAA bin model (33) 2 32 5400

RAMS 2nd moment +CCN 2 1(?) weeks

UKMO 2nd moment, Nc fixed ~0.7 4 500

JAMSTEC 1st moment 1 1 68

WVU 2nd moment, Nc fixed ~1.65 1 72

SAM 1st moment 2 64 320

MESO-NH 1st moment, Kessler 1 12 440

COAMPS ? ? ? ?

DHARMA bin model (33) 3.5 256 10.000

UCLA 2nd moment, Nc fixed ~1.5 16 80

Mean thermodynamic state 8 th 16 th and 24 th hour

20-24 hours

U, V 20-24hours

ql, qr 20-24 hours

Liq. Water pot. Temp. flux

20 – 24 hours

Total water flux20 -24 hours

Vert. vel. Variance20 -24 hours

TKE 20 – 24 hours

Vert. velocity skewness20 -24 hours

Cloud and core fraction

23 – 24 hours

Massflux 23-24 hours

Timeserie various z and tke

Sens. and latent heat flux

LWP, RWP and cc

Precipitation

Precipitation and evaporation

Nr and Nc

SAMEX: System for Atmospheric Modeling with Explicit Microphysics

Yefim Kogan and David Mechem

University of Oklahoma

ww [m2 s-2] cpwv [W m-2] Lwqt [W m-2]

TKE [m2 s-2] ql [g kg-1] R [mm d-1]

Mean profiles from 10-11 h

**PRELIMINARY RESULTS**

Mean profiles from 8-12 h and 20-24 h

Horizontal/VerticalRatio 1:3

Newer cellDecaying cell… mostly drizzle

Decaying cell… mostly drizzleNewer cell

Horizontal/VerticalRatio 1:3

20 – 24 hours

20 – 24 hours