ECMWF analysis plots for CARIBIC flight 374 from Chennai (Madras) to Frankfurt on 16-17 January 2012


Trajectories

5-day backward: All // 20-21h / 21-22h / 22-23h / 23-24h / 0-1h / 1-2h / 2-3h / 3-4h / 4-5h / 5-6h /
2-day forward: All

8-day backward WAS: 01 /02 /03 /04 /05 /06 /07 /08 /09 /10 /11 /12 /13 /14 /15 /16 /17 /18 /19 /20 /21 /22 /23 /24 /25 /26 /27 /28 /29 /30 /31 /32 /33 /34 /35 /36 /37 /38 /39 /40 /41 /42 /43 /44 /45
ALL WAS
8-day backward WAS volume: 01 /02 /03 /04 /05 /06 /07 /08 /09 /10 /11 /12 /13 /14 /15 /16 /17 /18 /19 /20 /21 /22 /23 /24 /25 /26 /27 /28 /29 /30 /31 /32 /33 /34 /35 /36 /37 /38 /39 /40 /41 /42 /43 /44 /45

"Surface" maps
Level (hPa) - - - - - - -
12011612+012 Total CC Low CC Medium CC High CC H2O column 6hr LS Prec 6hr Con Prec

Pressure level maps
Level (hPa) 250 250 250 250 500 250 500 250 700
12011700 PV Z Wind W W Spec hum RH RH EpotT

Vertical X-sections
Pressure versus time PV Eq pot T Spec hum RH Wetb potT U V W Cloud water Cloud ice Cloud cover


Note that between 22h30-23h15 CARIBIC OVERflew a fold that was FAR below the aircraft - the aircraft was still well within the tropical troposphere.

ECMWF and measured parameters as a function of UT
P P+tropop. geop.Z+tropop. PV PV+tropop. Pott.T Pott.T+tropop. T T+tropop. Wind speed Wind dir w=dp/dt H2O mix.ratio RH Cloud cover Liquid/Ice water
Model data interpolated along track: file1 (meteo)// file2 (clouds) // file3 (tropopause)