The evolution, propagation, and spread of flash drought in the Central United States during 2012

Basara, Jeffrey B; Christian, Jordan I; Wakefield, Ryann A; Otkin, Jason A; Hunt, Eric H; Brown, David P

doi:10.1088/1748-9326/ab2cc0

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The evolution, propagation, and spread of flash drought in the Central United States during 2012

2019
By Basara, Jeffrey B ; Christian, Jordan I ; Wakefield, Ryann A ; ...
Source: Environmental Research Letters, 14(8), 084025.

[PDF-1.91 MB]

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Journal Title:

Environmental Research Letters
Personal Author:

Basara, Jeffrey B ; Christian, Jordan I ; Wakefield, Ryann A ; Otkin, Jason A ; Hunt, Eric H ; ... More +

Basara, Jeffrey B ; Christian, Jordan I ; Wakefield, Ryann A ; Otkin, Jason A ; Hunt, Eric H ; Brown, David P Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) ; CIMSS (Cooperative Institute for Meteorological Satellite Studies) ; OAR (Oceanic and Atmospheric Research)

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) ; CIMSS (Cooperative Institute for Meteorological Satellite Studies) ; OAR (Oceanic and Atmospheric Research) Less -
Description:

During 2012, flash drought developed and subsequently expanded across large areas of the Central United States (US) with severe impacts to overall water resources and warm-season agricultural production. Recent efforts have yielded a methodology to detect and quantify flash drought occurrence and rate of intensification from climatological datasets via the standardized evaporative stress ratio (SESR). This study utilizes the North American Regional Reanalysis and applied the SESR methodology to quantify the spatial and temporal development and expansion of flash drought conditions during 2012. Critical results include the identification of the flash drought epicenter and subsequent spread of flash drought conditions radially outward with varying rates of intensification. Further, a comparison of the SESR analyses with surface-atmosphere coupling metrics demonstrated that a hostile environment developed across the region, which limited the formation of deep atmospheric convection, exacerbated evaporative stress, and perpetuated flash drought development and enhanced its radial spread across the Central US.
Source:

Environmental Research Letters, 14(8), 084025.
DOI:

https://doi.org/10.1088/1748-9326/ab2cc0
Document Type:

Journal Article
Funding:

Grant no. NA130AR4310122
Rights Information:

CC BY
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Submitted
Main Document Checksum:

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urn:sha256:5fc55144ae6d51c9e0e37c9e1e5956a3f2eaa2c973bb96c34239f606ae35d444
Download URL:

https://repository.library.noaa.gov/view/noaa/22090/noaa_22090_DS1.pdf
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The evolution, propagation, and spread of flash drought in the Central United States during 2012

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