Award Abstract # 0432463
New Methods in Storm Track Dynamics Theory

NSF Org: AGS
Division of Atmospheric and Geospace Sciences
Recipient: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Initial Amendment Date: July 22, 2004
Latest Amendment Date: June 12, 2007
Award Number: 0432463
Award Instrument: Continuing Grant
Program Manager: Walter A. Robinson
AGS
 Division of Atmospheric and Geospace Sciences
GEO
 Directorate for Geosciences
Start Date: December 1, 2004
End Date: November 30, 2007 (Estimated)
Total Intended Award Amount: $0.00
Total Awarded Amount to Date: $468,786.00
Funds Obligated to Date: FY 2004 = $133,265.00
FY 2005 = $148,387.00

FY 2006 = $148,302.00

FY 2007 = $38,832.00
History of Investigator:
  • Brian Farrell (Principal Investigator)
    farrell@seas.harvard.edu
Recipient Sponsored Research Office: Harvard University
1033 MASSACHUSETTS AVE STE 3
CAMBRIDGE
MA  US  02138-5366
(617)495-5501
Sponsor Congressional District: 05
Primary Place of Performance: Harvard University
1033 MASSACHUSETTS AVE STE 3
CAMBRIDGE
MA  US  02138-5366
Primary Place of Performance
Congressional District:
05
Unique Entity Identifier (UEI): LN53LCFJFL45
Parent UEI:
NSF Program(s): LARGE-SCALE DYNAMIC METEOROLOG,
Climate & Large-Scale Dynamics
Primary Program Source: app-0104 
app-0105 

app-0106 

app-0107 
Program Reference Code(s): 0000, 1527, OTHR
Program Element Code(s): 152700, 574000
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.050

ABSTRACT

Much of the regional variability of weather occurs because of the displacement of the jet stream and its associated storm tracks. The axis of the jet stream and the cyclones steered by it move from one geographical area to another and some jets are observed to be more active in producing cyclones than others. This project will improve the understanding of the displacement and activity of atmospheric storm tracks. It will also exploit the methods that have been developed for analyzing storm track dynamics to improve weather forecasts through advancing understanding of forecast and data assimilation error growth. The PI will develop new methods for analyzing the interaction between the jet structure and the eddy fields including advances in stochastic jet turbulence modeling and novel contributions to the stability theory of statistical equilibria.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Farrell, B. F., and P. J. Ioannou "Distributed Forcing of Forecast and Assimilation Error Systems" J. Atmos, Sci. , v.62 , 2005 , p.460
Farrell, BF; Ioannou, PJ "Structure and spacing of jets in barotropic turbulence" JOURNAL OF THE ATMOSPHERIC SCIENCES , v.64 , 2007 , p.3652 View record at Web of Science 10.1175/JAS4016.
Heifetz, E., and B. F. Farrell "Generalized Stability of Non-Geostophic Shear" J. Atmos. Sci. , v.64 , 2007 , p.4366

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