A Synoptic Perspective of the Record 1-2 May 2010 Mid-South Heavy Precipitation Event

According to the NOAA Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) Model, backward air-parcel trajectories starting from Bowling Green and Camden at 1,296 and 1,280 m AMSL (~845 hPa), respectively, originated from the Intertropical Convergence Zone (ITCZ) on the Pacific Ocean si...

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Bibliographic Details
Published inBulletin of the American Meteorological Society Vol. 93; no. 5; pp. 611 - 620
Main Authors Durkee, Joshua D., Campbell, Lee, Berry, Kyle, Jordan, Dustin, Goodrich, Gregory, Mahmood, Rezaul, Foster, Stuart
Format Journal Article
LanguageEnglish
Published Boston, MA American Meteorological Society 01.05.2012
Subjects
Atmospheric circulation
Atmospherics
Bgi / Prodig
Boundary layers
Climatology
Convection
Drought
Energy balance
Floods
Intertropical convergence zone
Karst
Karsts
Meteorological satellites
Meteors
Physical geography
Precipitation
Rain
Storms
THE MAP ROOM
Tropical regions
Weather
Weather types. Synoptic climatology
Wind
Southern United States
United States of America
United States > US
Tennessee
Nashville Tennessee
Atmospheric circulation
Atmospheric dynamics
Precipitation
Heavy rain
Weather type
Catastrophe
Climatic hazard
Rainstorm
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Summary:According to the NOAA Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) Model, backward air-parcel trajectories starting from Bowling Green and Camden at 1,296 and 1,280 m AMSL (~845 hPa), respectively, originated from the Intertropical Convergence Zone (ITCZ) on the Pacific Ocean side of Central America as early as 29 April 1200 UTC (Fig. 5). (2011) have shown that even under moderate-to-strong synoptic circulations, adjacent wet/dry land-surface conditions can modify the energy balance, the evolution of the planetary boundary layer, mesoscale circulations, and subsequent location of convection. [...]it is plausible to consider that relatively dry antecedent conditions (dating back to November of the previous year) near karst land-surface boundaries across west-central Kentucky and Tennessee provided this type of relative wet-dry transition and potentially offered a favorable localized environment for enhanced convection and precipitation during the course of this event.
ISSN:0003-0007
1520-0477
1520-0477
DOI:10.1175/BAMS-D-11-00076.1