Climatology of rainfall from Atlantic hurricanes in the USA from radar data

<p>Atlantic Tropical Cyclone Rainfall Climatology in the USA<br> Data sources (see references): NEXRAD level III data, hourly precipitation; IBtracs best track data; University of Colorado extended best track data<br> Available as NetCDF files and Matlab structure</p> <p>Classification as TC precipitation criteria: within radius of outermost closed isobar of a TC at a given time</p> <p>Scope: 100km radius around&nbsp;corresponding radar station</p> <p>Dealing with radar outages: up to 2h gap - interpolation of precipitation, larger gaps - rescaling of frequency with fraction&nbsp;of available data (see formulas)</p> <p>Available variables per radar station:</p> <ul> <li>Location: name [ ], coordinates [&deg;N, &deg;W]</li> <li>Grid: lat [&deg;N], lon&nbsp;[&deg;E]</li> <li>Frequency rescaling: re_freq [ ]</li> </ul> <p>Available variables per event:</p> <ul> <li>Storm identifiers: name [ ], year [a]</li> <li>Storm total precipitation <ul> <li>Area distribution: Ptot&nbsp;[kg/m²], gridded (0.1x0.1&deg;)</li> <li>Area average: Ptot_av&nbsp;[kg/m²]</li> <li>Area maximum within 0.5x0.5&deg;:&nbsp;Ptot_max&nbsp;[kg/m²]</li> </ul> </li> <li>Annual exceedance frequency: f(Ptot_max) [a^-1]</li> </ul> <p>Relevant formulas:</p> <p>re_freq = total duration of storm exposure / duration of viable measurements<br> f (Ptot_max) = (number of events exceeding Ptot_max / length of observation) * re_freq</p> <p>Matlab structure:</p> <ul> <li>Level 1: TCP_climatology</li> <li>Level 2: station variables -&gt; station_event_data leads to event variables</li> <li>Level 3: event variables -&gt; Ptot leads to spatially gridded precipitation</li> <li>Level 4: Ptot-grid</li> </ul>