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    • Mark D Powell
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      Mark D Powell

      Mark D Powell

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      Risk Management Solutions, Tallahassee, Florida | Hurricane Research Division, National Oceanic and Atmospheric Administration, 4301 Rickenbacker Causeway, Miami, FL 33149, ...

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      Mark D Powell:Expert Impact

      Concepts for whichMark D Powellhas direct influence:Southern louisiana,Integrated kinetic energy,Tropical cyclones,Forest disturbance,South florida,Surface winds,Surface wind,Hurricane donna.

      Mark D Powell:KOL impact

      Concepts related to the work of other authors for whichfor which Mark D Powell has influence:Tropical cyclones,Storm surge,Wind speed,Boundary layer,Drag coefficient,Wave model,Hurricane katrina.

      KOL Resume for Mark D Powell


      Risk Management Solutions, Tallahassee, Florida


      Hurricane Research Division, National Oceanic and Atmospheric Administration, 4301 Rickenbacker Causeway, Miami, FL 33149, USA; E-Mail:,


      NOAA/Atlantic Oceanographic and Meteorological Laboratory/Hurricane Research Division, Miami, Florida


      Center for Ocean-Atmospheric Prediction Studies, The Florida State University, Tallahassee, and NOAA/Atlantic Oceanographic and Meteorological Laboratories/Hurricane Research Division, Miami, Florida

      National Oceanic and Atmospheric Administration, Atlantic Oceanographic and Meteorological Laboratories, Hurricane Research Division, Miami, FL 33149; and


      National Oceanic and Atmospheric Administration Tallahassee Florida USA

      f NOAA/Atlantic Oceanographic and Meteorological Laboratory/Hurricane Research Division, Miami, Florida


      NOAA Hurricane Research Division, Miami, FL, USA

      Atmospheric Scientist, Hurricane Research Div., Atlantic Oceanographic and Meteorological Laboratory, 4301 Rickenbacker Causeway, Miami, FL 33149. E-mail:,


      Hurricane Research Division, National Oceanic and Atmospheric Administration, 4301 Rickenbacker Causeway, Miami, FL 33149


      Hurricane Research Division, National Oceanic and Atmospheric Administration, Miami, Florida


      Hurricane Research Division, NOAA/AOML, Miami, FL, USA


      Hurricane Research Division, NOAA, Miami, FL 33149, U.S.A.


      Hurricane Research Division, NOAA, Miami, FL, 33149, USA


      NOAA/AOML Hurricane Research Division, 4301 Rickenbacker Cswy, Miami, FL 33149, USA


      National Oceanic and Atmospheric Administration, Hurricane Research Division, Miami, FL 33149 U.S.A.


      National Hurricane and Experimental Meteorology Laboratory, NOAA, Miami, Florida, USA

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      Sample of concepts for which Mark D Powell is among the top experts in the world.
      Concept World rank
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      Prominent publications by Mark D Powell

      KOL-Index: 11391

      Hurricane Gustav (2008) made landfall in southern Louisiana on 1 September 2008 with its eye never closer than 75 km to New Orleans, but its waves and storm surge threatened to flood the city. Easterly tropical-storm-strength winds impacted the region east of the Mississippi River for 12–15 h, allowing for early surge to develop up to 3.5 m there and enter the river and the city’s navigation canals. During landfall, winds shifted from easterly to southerly, resulting in late surge ...

      Known for Hurricane Gustav | Storm Surge | Southern Louisiana | Gulf Mexico | Wind Waves
      KOL-Index: 9477


      A coupled system of wind, wind wave, and coastal circulation models has been implemented for southern Louisiana and Mississippi to simulate riverine flows, tides, wind waves, and hurricane storm surge in the region. The system combines the NOAA Hurricane Research Division Wind Analysis System (H*WIND) and the Interactive Objective Kinematic Analysis (IOKA) kinematic wind analyses, the Wave Model (WAM) offshore and Steady-State Irregular Wave (STWAVE) nearshore ...

      Known for Southern Louisiana | Wind Wave | Model Development | Resolution Coupled | Riverine Flows
      KOL-Index: 9117

      Surface wind observations analyzed by the Hurricane Research Division (HRD) were compared to those computed by the parametric wind model used in the National Weather Service Sea, Lake, and Overland Surges from Hurricanes (SLOSH) model’s storm surge computations for seven cases in five recent hurricanes. In six cases, the differences between the SLOSH and HRD surface peak wind speeds were 6% or less, but in one case (Hurricane Emily of 1993) the SLOSH computed peak wind speeds were 15% ...

      Known for Storm Surge | Wind Fields | Inflow Angle | Slosh Model | National Weather Service
      KOL-Index: 9003

      As an environmental phenomenon, hurricanes cause significant property damage and loss of life in coastal areas almost every year. Although a number of commercial loss projection models have been developed to predict the property losses, only a handful of studies are available in the public domain to predict damage for hurricane prone areas. The state of Florida has developed an open, public model for the purpose of probabilistic assessment of risk to insured residential property ...

      Known for Hurricane Loss | Residential Structures | State Florida | Wind Risk | Model Components
      KOL-Index: 8728

      The Cooperative Institute for Meteorological Satellite Studies at the University of Wisconsin—Madison recently (1997 season) began providing real-time Geostationary Operational Environmental Satellite (GOES) low-level cloud-drift winds in the vicinity of tropical cyclones on an experimental basis to the National Oceanic and Atmospheric Administration's (NOAA) Hurricane Research Division (HRD). The cloud-drift winds are derived from sequential high-resolution GOES visible channel imagery. ...

      Known for Tropical Cyclones | Wind Analyses | Level Cloud | Experimental Basis | Hurricane Division
      KOL-Index: 8190

      The State of Florida has developed an open, public model for the purpose of probabilistic assessment of risk to insured residential property associated with wind damage from hurricanes. The model comprises atmospheric science, engineering, and financial/actuarial components and is planned for submission to the Florida Commission on Hurricane Loss Projection Methodology. The atmospheric component includes modeling the track and intensity life cycle of each simulated hurricane within the ...

      Known for Hurricane Loss | Wind Risk | Atmospheric Science | Residential Property | Slab Model
      KOL-Index: 7993

      Hurricane Ike (2008) made landfall near Galveston, Texas, as a moderate intensity storm. Its large wind field in conjunction with the Louisiana-Texas coastline's broad shelf and large scale concave geometry generated waves and surge that impacted over 1000 km of coastline. Ike's complex and varied wave and surge response physics included: the capture of surge by the protruding Mississippi River Delta; the strong influence of wave radiation stress gradients on the Delta adjacent to the ...

      Known for Hurricane Ike | Wave Surge | Deep Water | Geostrophic Setup | Shelf Break
      KOL-Index: 7495

      Abstract Southern Louisiana is characterized by low-lying topography and an extensive network of sounds, bays, marshes, lakes, rivers, and inlets that permit widespread inundation during hurricanes. A basin- to channel-scale implementation of the Advanced Circulation (ADCIRC) unstructured grid hydrodynamic model has been developed that accurately simulates hurricane storm surge, tides, and river flow in this complex region. This is accomplished by defining a domain and computational ...

      Known for Southern Louisiana | Unstructured Grid | Hurricane Storm Surge | Wind Fields | Model Domain
      KOL-Index: 7394

      The NASA Scanning Radar Altimeter (SRA) flew aboard one of the NOAA WP-3D hurricane research aircraft to document the sea surface directional wave spectrum in the region between Charleston, South Carolina, and Cape Hatteras, North Carolina, as Hurricane Bonnie was making landfall near Wilmington, North Carolina, on 26 August 1998. Two days earlier, the SRA had documented the hurricane wave field spatial variation in open water when Bonnie was 400 km east of Abaco Island, Bahamas. Bonnie ...

      Known for Wave Height | Hurricane Bonnie | North Carolina | Maximum Wind Speed | 26 August
      KOL-Index: 7361


      Hurricanes Katrina and Rita were powerful storms that impacted southern Louisiana and Mississippi during the 2005 hurricane season. In Part I, the authors describe and validate a high-resolution coupled riverine flow, tide, wind, wave, and storm surge model for this region. Herein, the model is used to examine the evolution of these hurricanes in more detail. Synoptic histories show how storm tracks, winds, and waves interacted with the topography, the ...

      Known for Southern Louisiana | Surge Model | Hurricanes Katrina | Wind Wave | Coupled Riverine
      KOL-Index: 7047

      The transfer of momentum between the atmosphere and the ocean is described in terms of the variation of wind speed with height and a drag coefficient that increases with sea surface roughness and wind speed. But direct measurements have only been available for weak winds; momentum transfer under extreme wind conditions has therefore been extrapolated from these field measurements. Global Positioning System sondes have been used since 1997 to measure the profiles of the strong winds in ...

      Known for Wind Speed | Tropical Cyclones | Drag Coefficient | Surface Roughness | Field Measurements
      KOL-Index: 6950

      Hurricanes Erin, Opal, Luis, Marilyn, and Roxanne were the most destructive hurricanes of 1995. At landfall, Luis and Marilyn contained maximum sustained winds (marine exposure) estimated at near 60 and 46 m s−1, respectively. The strongest landfalling storm of the 1995 season, Luis, decreased in intensity from a category 4 to 3 on the Saffir–Simpson scale shortly before the eyewall crossed the Islands of Antigua, Barbuda, St. Kitts-Nevis, St. Barthelemy, St. Martin, and Anguilla. ...

      Known for Surface Wind | Gulf Mexico | Hurricane Opal | Maximum Sustained | Luis Marilyn
      KOL-Index: 6789

      All available wind data associated with Hurricane Andrew's passage were analysed for periods corresponding to landfall south of Miami and emergence from southwest Florida. At landfall in southeast Florida, maximum sustained 1-min surface wind speeds VM1 reached just over 60 m s−1 in the northern eyewall over land; by the time Andrew exited the Florida peninsula, the peak value of VM1 over land decreased to 40–45 m s−1. Radar reflectivity observations from Tampa and Melbourne could not ...

      Known for South Florida | Surface Wind Fields | Hurricane Andrew | Wind Data | 60 S−1

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      Risk Management Solutions, Tallahassee, Florida | Hurricane Research Division, National Oceanic and Atmospheric Administration, 4301 Rickenbacker Causeway, Miami, FL 33149, USA; E-Mail:, Mark.Powell@noaa.gov | NOAA/Atlantic Oceanographic and Meteorol

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