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Report of the T-PARC Winter Storms Working Group Zoltan Toth, Tim Hewson, Chris Doyle, Roland Stull, Yoshio Asuma, Jeff Musiak, Todd Jacobs, Gary Wick, Craig Bishop, Yi-Leng Chen, Ron Gelaro, Istvan Szunyogh, Charles Spinelli, Yucheng Song Science Interests 1 Roland Stull Data impact studies

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report of the t parc winter storms working group

Report of the T-PARC Winter Storms Working Group

Zoltan Toth, Tim Hewson, Chris Doyle, Roland Stull, Yoshio Asuma, Jeff Musiak, Todd Jacobs, Gary Wick, Craig Bishop, Yi-Leng Chen, Ron Gelaro, Istvan Szunyogh, Charles Spinelli, Yucheng Song

science interests 1
Science Interests 1
  • Roland Stull
    • Data impact studies
    • Hydroelectric Power Production Impact
  • Yoshio Asuma
    • Role of interaction between upper level troughs and low-level moisture transport in intense genesis of NE moving cyclones
  • Istvan Szunyogh
    • Real time analysis at 30 km resolution
    • Study of predictability
science interests 2
Science Interests 2
  • Ron Gelaro
    • Optimal mix of obsrvations
    • Regime-dependent targeting
  • Craig Bishop
    • Quantitative evaluation of targeting methods
    • Testing new data assimilation schemes
    • Integrating new data assimilation schemes with targeting methods (ALEC)
  • Yi-Leng Chen
    • Phasing of subtropical and extratripical disturbances
    • Impact of atmospheric rivers on Hawaii and extratropics
science interests 3
Science Interests 3
  • Chris Doyle
    • Socio-economic impact evaluation of forecast improvements due to extra observations
    • 2010 Winter Olympics
  • Tim Hewson
    • Use and evaluation of operational feature-based post-processed ensemble products
  • Concluding remark on science interests
    • No strong interest was expressed in specific observations, most research project would benefit from all planned observations
slide5

PROPOSED OBSERVING PLATFORMS

Extensive observational platforms during T-PARC winter phase

allow us to track the potential storms and take additional observations

as the perturbation propagate downstream into Arctic and US continents

Day 4

Radiosondes

Russia

Alaska

VR

Day 5-6

Radiosondes

Tibet

D 1-2

C-130

UAS

CONUS

VR

D 3

G-IV

D-1

UAS

P-3

observing platform issues
Observing Platform Issues
  • Tibetan Network
    • Produce definitive list of new observations
    • Real time availability?
  • Russian network
    • Distribution of consumables in light of expected request (data density, dynamic sensitivity)
    • Sequential selection of optimal sites
  • Global Hawk
    • Slight preference for LIDAR observations over dropsondes (if a choice has to be made)
  • ONR P3
    • Platform for LIDAR if GH installation is not doable
  • Data impact evaluation
    • Both cycled assimilation of THORPEX data and common first guesses
  • Rapid Scan
    • There was a strong agreement that rapid scan observations would be highly desirable to achieve the science objectives
infrastructure for targeting
Infrastructure for Targeting
  • Adapt ECMWF Preview facility for T-PARC
    • Modify area for Pacific and NA
    • Extend lead times for ETKF
    • Produce series of sensitivity charts spanning observational times
    • Adaptable verification domain size