1. NAWDEX – General Planning Meeting
11 October 2016, Keflavik 11 UTC

2. NAWDEX – General Planning Meeting
11 October 2016, Keflavik 11 UTC
Key issues today
Today's radiometer intercomparison flights
HALO, Safire, Falcon
Wednesday HALO, Safire & DLR Falcon flights
Thursday HALO flight

3. NAWDEX – General Planning Meeting
11 October 2016, Keflavik 11 UTC
Aircraft status report by FX-Operations
Instrument status report by Instrument Manager
Short weather summary: information about flight options for the next days and update for planning for the next day with the latest forecast
Report of Ground-Based Observation coordinator
Wednesday flights for HALO, DLR-Falcon and Safire Falcon
Thursday HALO flights
Coordination with other aircraft (Input from other groups)

4. Analysis – 11 Oct 2016, 00 UTC BT11/00Z Z300, SAT THE850
Cut-off “Brigitte”
TC Nicole
Downstream cyclone 4

5. Forecast for Tue, 11 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
WCB inflow
Cut-off “Sanchez”
TC Nicole
ridgebuilding
Downstream cyclone 5

6. Forecast for Wed, 12 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
WCB ascent
Cut-off “Brigitte”
TC Nicole
ridgebuilding
Downstream cyclone 6

7. Forecast for Wed, 12 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
ridgebuilding 7

8. Forecast for Thu, 13 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
Downstream cyclone
Ridge building
Ridge, anticyclone Peter
TC Nicole
ridgebuilding 8

9. Forecast for Thu, 13 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
ridgebuilding
THU: 75% of the ensemble members predict wind speeds over 12m/s on 6 9

10. Forecast for Fri, 14 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
Ridge, anticyclone Peter
EFI Precipitation
TC Nicole
ridgebuilding
New cyclone 10

11. Forecast for Sat, 15 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
TC Nicole
ridgebuilding
New cyclone 11

12. Forecast for Sun, 16 Oct 2016 12 UTC
THE850, Z300 BT11/00Z
TC Nicole
ridgebuilding 12

13. TUESDAY HALO FLIGHT PLANS
CANCELLED
TUESDAY HALO FLIGHT PLANS

14. TUESDAY SAFIRE FLIGHT PLANS

16. Wednesday October 12th
HALO flight

17. Wednesday October 12th HALO Flight 13:45 – 20:45 UTC
P (hPa) at 2 PVU
P (hPa) at 2 PVU
BT11/00Z VT12/15Z
BT11/00Z VT12/18Z
Coordinated leg with SAFIRE (1-3)
SAT overpass at 14:45 (2)
WCB ascent (3-6)
Along WCB & JET (3-4)
WCB ascent & outflow (6-9)
Coordinated leg with FALCON (7-8)
Across Jet (7-8)
BASTA Overflight (over KEV)

18. Wednesday October 12th HALO Flight 13:45 – 20:45 UTC
14:45
18:15
20:45
+ SAFIRE
+ FALCON
BT11/00Z VT12/15Z
Distance: 5544 km ~ 3000 nml
BT11/00Z VT12/18Z

19. Wednesday October 12th
FALCON flight

20. Wed 12 15Z – DLR Falcon Plan

21. Wind measurements with A2D lidar
Wed 12 15Z – DLR Falcon Plan
Wind measurements with A2D lidar
Back and forth to point 3.
30-45 min added to flight time.

22. Wind measurements with A2D lidar
Wed 12 15Z – DLR Falcon Plan
Wind measurements with A2D lidar
Back and forth to point 3.
30-45 min added to flight time.
Cross-jet coordinated leg with HALO
Meeting time: 6:15pm
-> 1 hour of flight to 5

23. Wed Z – DLR Falcon Plan
HALO
~6:15pm
A2D LIDAR

24. Estimated take-off time: = ~ 4pm Meeting time with HALO: = ~ 6:15pm
Summary FALCON Wed 12 flight
Objectives:
-> Try new wind measurement technique with A2D incoherent lidar (does not need high humidity, less attenuation in clouds).
-> Sample a southerly jet SW of Iceland, in a coordinated leg together with HALO.
Infos:
Estimated take-off time: = ~ 4pm
Meeting time with HALO: = ~ 6:15pm
Estimated arrival time: = ~ 7:45pm

25. HALO flight Thu 13 Oct System under investigation: „Ex-Matthew“
Main objectives:
Structure of the ridge
Moisture gradient
WCB outflow
Lagrangian flight
Orographic gravity waves

26. HALO flight Thu 13 Oct

27. HALO flight Thu 13 Oct

28. HALO flight Thu 13 Oct
Trajectories started on Wed 18 UTC, dots valid at Thu 18 UTC
500hPa
400hPa

29. WEDNESDAY SAFIRE FLIGHT PLANS

31. Tentative Flight Plan

32. IWV for 2 Ensemble Members

33. Update Radiosounding

34. THU. 13/10/16 12 UTC

35. Summary
Radiometer intercomparison of UK FAAM, Safire Falcon on Tuesday between Faroes and Scotland
Wednesday: coordinated flights of all aircraft
Thursday: HALO flight into the ridge northeast of Iceland