{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:01.385338", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2012-Mar-02_to_2012-Mar-05_151.5_-4.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2012030001923}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "March 02 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 05 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 73938.614262022}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Bismarck Sea", "Solomon Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -4.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 151.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "151.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 152.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -2.97], [150.32, -2.82], [150.47, -2.47], [151.0, -2.25], [151.53, -2.47], [151.75, -3.0], [151.65, -3.25], [151.68, -3.32], [151.75, -3.35], [152.0, -3.25], [152.25, -3.35], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.25, -4.65], [152.18, -4.68], [152.03, -5.03], [151.5, -5.25], [151.25, -5.15], [151.0, -5.25], [150.47, -5.03], [150.32, -4.68], [149.97, -4.53], [149.75, -4.0], [149.85, -3.75], [149.75, -3.5], [149.97, -2.97]]]]}, "2012-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.75, -5.0], [147.97, -4.47], [148.5, -4.25], [148.75, -4.35], [149.0, -4.25], [149.25, -4.35], [149.5, -4.25], [149.75, -4.35], [149.88, -4.3], [149.75, -4.0], [149.85, -3.75], [149.75, -3.5], [149.97, -2.97], [150.32, -2.82], [150.47, -2.47], [151.0, -2.25], [151.53, -2.47], [151.75, -3.0], [151.65, -3.25], [151.68, -3.32], [151.75, -3.35], [152.0, -3.25], [152.25, -3.35], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.68, -4.68], [152.65, -4.75], [152.75, -5.0], [152.53, -5.53], [152.0, -5.75], [151.75, -5.65], [151.68, -5.68], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [149.25, -6.15], [149.0, -6.25], [148.47, -6.03], [148.32, -5.68], [147.97, -5.53], [147.75, -5.0]]]]}, "2012-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.75, -5.0], [147.97, -4.47], [148.5, -4.25], [148.75, -4.35], [149.0, -4.25], [149.25, -4.35], [149.5, -4.25], [149.75, -4.35], [149.88, -4.3], [149.75, -4.0], [149.85, -3.75], [149.75, -3.5], [149.97, -2.97], [150.32, -2.82], [150.47, -2.47], [151.0, -2.25], [151.53, -2.47], [151.75, -3.0], [151.65, -3.25], [151.68, -3.32], [151.75, -3.35], [152.0, -3.25], [152.25, -3.35], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.68, -4.68], [152.65, -4.75], [152.75, -5.0], [152.53, -5.53], [152.0, -5.75], [151.75, -5.65], [151.68, -5.68], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [149.25, -6.15], [149.0, -6.25], [148.47, -6.03], [148.32, -5.68], [147.97, -5.53], [147.75, -5.0]]]]}, "2012-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.75, -5.0], [147.97, -4.47], [148.5, -4.25], [148.75, -4.35], [149.0, -4.25], [149.25, -4.35], [149.5, -4.25], [149.75, -4.35], [150.0, -4.25], [150.25, -4.35], [150.5, -4.25], [150.75, -4.35], [150.82, -4.32], [150.97, -3.97], [151.5, -3.75], [151.75, -3.85], [152.0, -3.75], [152.53, -3.97], [152.75, -4.5], [152.65, -4.75], [152.75, -5.0], [152.53, -5.53], [152.0, -5.75], [151.75, -5.65], [151.68, -5.68], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [149.25, -6.15], [149.0, -6.25], [148.47, -6.03], [148.32, -5.68], [147.97, -5.53], [147.75, -5.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1052121011339295}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2965510509736977}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.063146899759545, 27.92039651157097, 27.626517980785763, 26.942220518247154]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.58976807583167, 29.06151188785543, 28.54384223497692, 27.937241462605243]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0683981603493578, 1.5530563866010638, 1.2819692816909363, 1.0615752719052238]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3488297600423493, 2.0193193972895074, 2.1052121011339295, 1.5061221489245327]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7481749346808169, 2.6175418128104098, 2.1994707005511964, 1.858001352715877]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1805183666450962, 3.1820376048486736, 3.032202588034467, 2.4807481495727233]}}