An analysis of the observed low-level structure of rapidly intensifying and mature hurricane Earl (2010)

2014 ◽  
Vol 140 (684) ◽  
pp. 2132-2146 ◽  
Author(s):  
Michael T. Montgomery ◽  
Jun A. Zhang ◽  
Roger K. Smith
Keyword(s):  
Level Structure ◽  
Low Level

Low-level structure feature extraction for image processing via stacked sparse denoising autoencoder

2017 ◽  
Vol 243 ◽  
pp. 12-20 ◽  
Author(s):  
Zunlin Fan ◽  
Duyan Bi ◽  
Linyuan He ◽  
Ma Shiping ◽  
Shan Gao ◽  
...  
Keyword(s):  
Image Processing ◽  
Feature Extraction ◽  
Level Structure ◽  
Denoising Autoencoder ◽  
Low Level ◽  
Structure Feature

Low-level structure ofGe70from lifetime andg-factor measurements following α transfer to aZn66ion beam

2006 ◽  
Vol 74 (2) ◽  
Author(s):  
J. Leske ◽  
K.-H. Speidel ◽  
S. Schielke ◽  
J. Gerber ◽  
P. Maier-Komor ◽  
...  
Keyword(s):  
Level Structure ◽  
Low Level

The Low-Level Structure and Evolution of a Dry Arctic Front over the Central United States. Part II: Comparison with Theory

1996 ◽  
Vol 124 (8) ◽  
pp. 1676-1692 ◽  
Author(s):  
William Blumen ◽  
Nimal Gamage ◽  
Robert L. Grossman ◽  
Margaret A. LeMone ◽  
L. Jay Miller
Keyword(s):  
United States ◽  
Level Structure ◽  
Low Level ◽  
Central United States ◽  
Arctic Front

On the Movement and Low-Level Structure of Cold Fronts

1988 ◽  
Vol 116 (10) ◽  
pp. 1927-1944 ◽  
Author(s):  
Roger K. Smith ◽  
Michael J. Reeder
Keyword(s):  
Level Structure ◽  
Low Level ◽  
Cold Fronts

Rapid Scan Views of Convectively Generated Mesovortices in Sheared Tropical Cyclone Gustav (2002)

2006 ◽  
Vol 21 (6) ◽  
pp. 1041-1050 ◽  
Author(s):  
Eric A. Hendricks ◽  
Michael T. Montgomery
Keyword(s):  
Large Scale ◽  
Deep Convection ◽  
Level Structure ◽  
Vertical Wind Shear ◽  
Vertical Shear ◽  
Low Level ◽  
Rapid Scan ◽  
Mesoscale Processes ◽  
Vertical Shearing

Abstract On 9–10 September 2002, multiple mesovortices were captured in great detail by rapid scan visible satellite imagery in subtropical, then later, Tropical Storm Gustav. These mesovortices were observed as low-level cloud swirls while the low-level structure of the storm was exposed due to vertical shearing. They are shown to form most plausibly via vortex tube stretching associated with deep convection; they become decoupled from the convective towers by vertical shear; they are advected with the low-level circulation; finally they initiate new hot towers on their boundaries. Partial evidence of an axisymmetrizing mesovortex and its hypothesized role in the parent vortex spinup is presented. Observations from the mesoscale and synoptic scale are synthesized to provide a multiscale perspective of the intensification of Gustav that occurred on 10 September. The most important large-scale factors were the concurrent relaxation of the 850–200-hPa-deep layer vertical wind shear from 10–15 to 5–10 m s−1 and movement over pockets of very warm sea surface temperatures (approximately 29.5°–30.5°C). The mesoscale observations are not sufficient alone to determine the precise role of the deep convection and mesovortices in the intensification. However, qualitative comparisons are made between the mesoscale processes observed in Gustav and recent full-physics and idealized numerical simulations to obtain additional insight.

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