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Welcome to the NAWDEX preparation workshop(1st Waves to Weather “Campaign Data ‐ Cross Cutting Activity”)
DLR Oberpfaffenhofen4 to 6 April 2016
• 8/9 July 2015: NAWDEX preparation workshop at DLR Oberpfaffenhofen(32 par cipants from 10 ins tu ons → scien fic aims, payload and observa ons and aircra and flight operations)
• EUFAR supports UK project with DLR Falcon (10 flight hours)
• July 31, 2015: The NAWDEX Campaign Implementation Plan (CIP) for the deployment of HALO and Falcon is released
• International NAWDEX webpage is online: NAWDEX.org
• 28 September to 9 October 2015: NAWDEX dryrun
• November 10, 2015: Waves to Weather Kick‐Off meeting: cross‐cutting activity within W2W focuses on campaign data
• Dec 2015: SpecMACS instrument added to the NARVAL‐II/NAWDEX payload
• 24/25 February, 2016: Review meeting for the HALO programme by German Science Foundation → NAWDEX recommended for funding
• March 3, 2016: Updated version of the NAWDEX Campaign Implementation Plan (CIP) (including a description of the NAWDEX dry run cases)
• March 2015: French colleagues submitted a proposal for the 2‐week deployment of the French Falcon in Iceland to the European Space Agency (ESA)
Milestones since the last workshop
November 2012 Proposal to the HALO Steering committee
L
LL
L
G: HALO
G: Falcon
F: Falcon
4
NARVAL II
This Workshop:17 institutions, 56 participants
Goals of the workshopWhat?
NAWDEX
Scientific Aims
Payload & Observations Aircraft &
Flight Operations
Area ofinterest
dependingon weatherconditions
Why? How?
Where?
When?
Scientists InstrumentPIs
OperationsPilots
International Collaborations
NARVAL‐II
Who?
Aims:
1) Refine flight strategies based on preparatory case studies
2) Discussion of NAWDEX procedures and the interfaces between different groups (instruments, flight facility & flight planning)
3) Information about local infrastructure
Monday 4 April 12:30 – 17:30: Scientific Preparation Session – Part I:
Recapitulate six preparatory cases provided in the NAWDEW CIP12:30 ‐ 13:00 Welcome
13:00 ‐ 13:45 Central North Atlantic case (Sept 2013)
13:45 ‐ 14:45 Pre‐dry run case (27/28 Sept 2015)
14:45 ‐ 15:15 Pause
15:15 ‐ 15:45 Dry run case ET Joaquin (8/9 Oct 2015)
15:45 ‐ 16:45 Further Cases (each case 20 minutes)
16:45 ‐ 17:30 Discussion and decision on flight plans
Tuesday 5 April 08:30 – 10:00: Scientific Preparation Session – Part II: Discussion about local
organisation of the flight planning team, daily planning procedures, tasks, decision making
10:00 – 10:30: Coffee Break
10:30 – 12:00: Campaign Implementation Session – Part I: 10:30 – 11:00: specMACS (T. Kölling, T. Zinner)11:00 – 12:00: Discussion about instrument requirements and constraints
12:00 – 13:00: Lunch
Agenda
13:00 – 15:30: Campaign Implementation Session – Part II: Information by the DLR FX• NAWDEX schedule • NAWDEX logistics (Accommodation, Airport/Hangar, Internet, Freight, Rental Cars)• Aircraft Operation over the North Atlantic
• Permissions and typical proceedings • Flight performance of HALO and Falcon• Coordinated flights of both aircraft• Options for a transfer from NARVAL/Barbados via Azores• Presentation and discussion of preparatory cases
• Flight planning procedures
15:30 – 16:00: Coffee break
16:30 – 17:30: Campaign Implementation Session – Part III: 16:00 – 17:00: Ground observations (UK, F, CAN, Iceland, Norway, mobile radiosondes) 17:00 – 17:30: Coordination with the French aircraft
18:30 Workshop Dinner
Wednesday 6 April 08:30 – 11:00 Forecaster’s Training Event: Presentation of forecasting products
DLR ECMWF products (Andreas S., Andreas D.)ETH products (Maxi)Met3D (Marc)JGU Mainz forecasting products (Michael, Joachim)UK forecasting products (John)French Forecasting Products (Gwendal)
11:00 – 12:00 Final discussion
Agenda
Participants
Lunch
Canteen
Organisational
2 km / 25 Min
Dorfgasthof Il PlonnerGautinger Str. 52, 82234 Weßling
1.1 km / 15 Min
DLR
Weßling
Dinner
TUE @ 18:30
Drinks are sponsored by:
Organisational
WLAN:DLR‐SfR‐Gastzugang
e/G!N82#Fxaq
NAWDEX HALO & Falcon
Doppler WindLidars
DropsondesWater Vapor DIALCloud
Radar
Radiometers
HALO Gulfstream V
DLR Falcon 20
Focus on:• Remote sensing measurements• over the central and eastern North
Atlantic• operate from Iceland
Primary aims:• thermodynamic properties in outflow of
WCBs, at jet level• humidity structure of lower troposphere• diabatic influence on upper level flow,
observations in divergent outflow regions• follow evolution of Rossby waves along
the wave guide• combined lidar/radar observations• Preparation of ADM satellite validation
NARVAL Payload
1. Moisture Structure in the Boundary layer: What is the structure and evolution of low level moisture flowing into mid‐latitude cyclones?
2. Mixed phase clouds: What are the roles of microphysical and embedded dynamical processes to air mass modification in Warm Conveyor Belts?
3. Upper level PV: Can we approximate PV from synergistic use of temperature and wind data to identify diabatically generated anomalies?
4. Diabatic effects on cyclonic systems: What are the distinct cloud, wind and thermodynamic structures that characterize diabatically intensified cyclones?
5. Impacts of tropopause waveguide uncertainty on HIW events: How much do small errors at jet‐level cause uncertainty in downstream extreme weather?
6. Moisture and Cloud Structure in Tropopause Region: How do tropopause‐level temperature, moisture and cloud gradients influence radiative heating?
7. Quantification of analysis errors: How well are diabatic modifications to mid‐latitude cyclones represented in operational analysis and forecast products?
The overarching scientific hypothesis of NAWDEX : "Diabatic processes over North America and the North Atlantic have a major influence on jet stream meanders, the downstream development of Rossby waves on the tropopause and high impact weather over Europe.”
NAWDEX HALO & Falcon
NAWDEX HALO & Falcon
• Operation center in Keflavik, Iceland• 19 September – 16 October 2016 (4 weeks)• Deployment of HALO and DLR Falcon• Coordinated flights • Optimal access to North AtlanticFlight hours:• From climatology and dryrun 2015: 1‐2 events per week
expected → 7 events • Two consecu ve flights to follow the system →14 flights
(5‐8 hours, 6.5 h on average) • 100 flight hours (91 h without transfer)
Dropsondes:• 110 Dropsondes: 7 sondes per flight (1 sonde every 50
minutes).
Operation area
• North Atlantic• Greenland, Iceland• UK, Ireland,• Norway,• France, Germany, Poland, Benelux, Austria, Italy, Spain, Denmark• CAN
Operation in transatlantic airspace
FL 430 (12.8 km)
FL 280 (8.7 km)
Ideal setup
FL 430 (12.8 km)
FL 280 (8.7 km)
t
NAT Tracks
HALO
HALO
Falcon
dropsondes dropsondesRadar controlledairspace
NAWDEX HALO & Falcon
Example of Water Vapor Volume Mixing ratio on a large scale transect from Oberpfaffenhofen to Barbados with HALO during NARVAL. Courtesy of M. Wirth
NAWDEX Observations
NAWDEX Observations
Lidar‐Observations in the outflow of a Warm Conveyor Belt on 1 April 2015 during ML‐CIRRUS
Humidity from ECMWF and WALES Lidar‐Observations in the outflow of a Warm Conveyor Belt on 1 April 2015 during ML‐CIRRUS
NAWDEX Observations
NAWDEX Observations
Case Study
Measurement example of the NARVAL‐I mission on 12 January 2014. Satellite image with flight track, water vapor mixing ratio (top) radar reflectivity (bottom)
NAWDEX Observations
Comparison of liquid water path (LWP) derived from spectral radiance measurements with HALO‐SR and observations by HAMP during a NARVAL flight on 11 Dec 2013. Courtesy of F. Werner (LIM) and E. Orlandi (University Cologne).
NAWDEX Observations
Integrated Water Vapor (IWV) and Liquid Water Path (LWP) derived from radiometer observations in comparison with SSMIS satellite observations and dropsonde profiles. Courtesy Sabrina Schnitt (University Cologne).
NAWDEX Observations
Example of wind lidar wind speed observations on 15 May 2015 during the WindVAL campaign
300 hPa Geopot. & Windspeed PV at 330 K and MSLP
29
NAWDEX Observations
WSPWSP
WSP
WSP
Example of wind lidar wind speed observations on 15 May 2015 during the WindVAL campaign 30
NAWDEX Observations
12:30 – 17:30: Scientific Preparation Session – Part I: Recapitulate six preparatory cases provided in the NAWDEW CIP
• Define 3‐4 exemplary flight pattern• Questions to flight facility and instrument PI’s
FL 430 (12.8 km)
FL 280 (8.7 km)
t
NAT Tracks
HALO
HALO
Falcon
dropsondes dropsondesRadar controlledairspace