Four distinct Northeast US heat wave circulation patterns and associated mechanisms, trends, and electric usage

Agel, Laurie; Barlow, Mathew; Skinner, Christopher; Colby, Frank; Cohen, Judah

doi:10.1038/s41612-021-00186-7

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Four distinct Northeast US heat wave circulation patterns and associated mechanisms, trends, and electric usage

2021
By Agel, Laurie ; Barlow, Mathew ; Skinner, Christopher ; ...
Source: npj Climate and Atmospheric Science, 4(1)

[PDF-3.48 MB]

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Journal Title:

npj Climate and Atmospheric Science
Personal Author:

Agel, Laurie ; Barlow, Mathew ; Skinner, Christopher ; Colby, Frank ; Cohen, Judah

Agel, Laurie ; Barlow, Mathew ; Skinner, Christopher ; Colby, Frank ; Cohen, Judah Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research)
Description:

Northeastern US heat waves have usually been considered in terms of a single circulation pattern, the high-pressure circulation typical of most heat waves occurring in other parts of the world. However, k-means clustering analysis from 1980–2018 shows there are four distinct patterns of Northeast heat wave daily circulation, each of which has its own seasonality, heat-producing mechanisms (associated moisture, subsidence, and temperature advection), and impact on electricity demand. Monthly analysis shows statistically-significant positive trends occur in late summer for two of the patterns and early summer for a third pattern, while the fourth pattern shows a statistically significant negative trend in early summer. These results demonstrate that heat waves in a particular geographic area can be initiated and maintained by a variety of mechanisms, resulting in heat wave types with distinct impacts and potential links to climate change, and that pattern analysis is an effective tool to distinguish these differences.
Keywords:

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Atmospheric Science Environmental Chemistry Global And Planetary Change
Source:

npj Climate and Atmospheric Science, 4(1)
DOI:

https://doi.org/10.1038/s41612-021-00186-7
ISSN:

2397-3722
Format:

PDF
Publisher:

Springer Science and Business Media LLC
Document Type:

Journal Article
Funding:

Grant no. NA20OAR4310424
License:

https://creativecommons.org/licenses/by/4.0/
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CC BY
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Library
Main Document Checksum:

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urn:sha256:eca674b8fac3a4e5bb5e3e2c9579664fe5b0f459eb5c45d9571f267b6c0124ad
Download URL:

https://repository.library.noaa.gov/view/noaa/58570/noaa_58570_DS1.pdf
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Four distinct Northeast US heat wave circulation patterns and associated mechanisms, trends, and electric usage

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