Troposphere–Stratosphere Coupling Following Tropospheric Blocking and Extratropical Cyclones

Attard, Hannah E.; Lang, Andrea L.

doi:10.1175/MWR-D-18-0335.1

i

Troposphere–Stratosphere Coupling Following Tropospheric Blocking and Extratropical Cyclones

2019
By Attard, Hannah E. ; Lang, Andrea L.

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Journal Title:

Monthly Weather Review
Personal Author:

Attard, Hannah E. ; Lang, Andrea L.
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office)
Description:

A climatology of the 100- and 250-hPa 45°–75°N zonal-mean meridional eddy heat flux anomaly, hereafter heat flux anomaly, was created to examine its variability following cool-season (i.e., October–April) blocks and extratropical cyclones. The goal is to elucidate the dynamical and environmental differences between synoptic events followed by the most extreme heat flux anomalies. The analysis was conducted with the National Aeronautics and Space Administration’s Modern-Era Retrospective Analysis for Research and Applications, version 2 reanalysis. The results show that, on average, European blocks and west Pacific cyclones are followed by positive heat flux anomalies while west Pacific blocks and Atlantic extratropical cyclones are followed by negative heat flux anomalies.
Keywords:

Blocking Cool Season Extratropical Cyclones Modeling, Analysis, Predictions, And Projections (MAPP) Program Stratosphere-troposphere Coupling Stratospheric Circulation Synoptic Climatology
Source:

Monthly Weather Review, 147(5), 1781–1804
DOI:

https://doi.org/10.1175/MWR-D-18-0335.1
Document Type:

Journal Article
Funding:

Grant no. NA16OAR4310068
Rights Information:

Other
Compliance:

Submitted
Main Document Checksum:

urn:sha256:0bfb49b0499a1eb5fa65688e53e431a98bd94417eb3e1b28723c7a639e980acc
Download URL:

https://repository.library.noaa.gov/view/noaa/36917/noaa_36917_DS1.pdf
File Type:

[PDF - 19.09 MB ]

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