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Title:
Violent pyro-convective storm devastates Australia's capital and pollutes the stratosphere
Authors:
Fromm, Michael; Tupper, Andrew; Rosenfeld, Daniel; Servranckx, René; McRae, Rick
Affiliation:
AA(U.S. Naval Research Laboratory, Washington, D.C., USA), AB(Northern Territory Regional Office, Commonwealth Bureau of Meteorology, Casuarina, Northern Territory, Australia), AC(Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel), AD(Canadian Meteorological Center, Environment Canada, Dorval, Quebec, Canada), AE(ACT Emergency Services Authority, Curtin, A.C.T., Australia)
Publication:
Geophysical Research Letters, Volume 33, Issue 5, CiteID L05815 (GeoRL Homepage)
Publication Date:
03/2006
Origin:
AGU
Keywords:
Global Change: Atmosphere (0315, 0325), Atmospheric Processes: Clouds and aerosols, Atmospheric Processes: Convective processes, Atmospheric Processes: Remote sensing, Atmospheric Processes: Stratosphere/troposphere interactions
DOI:
10.1029/2005GL025161
Bibliographic Code:
2006GeoRL..33.5815F

Abstract

Headline-making firestorms in southeast Australia in 2003, responsible for at least 500 destroyed buildings and four lost lives, culminated with pyro-cumulonimbus (pyroCb) ``eruptions'' that ravaged Canberra on 18 January. Here we reveal that in their 3-hour lifetime, the Canberra pyroCbs also produced a stratospheric smoke injection that perturbed the hemispheric background analogous to the theorized ``nuclear winter.'' We use an unprecedented array of data to analyze the Canberra pyroCbs' distinctive stratospheric impact, microphysics, energetics, and surface manifestations-including suppressed precipitation, an F2 tornado, and black hail.
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