{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:28.104977", "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-Sep-05_to_2012-Sep-07_45.0_-16.5"}, "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": 2012090001575}, "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": "September 05 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 53623.661784592034}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Madagascar"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["Mozambique Channel"]}, "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": -16.5}, "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": 45.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "45.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 46.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, -15.97], [44.32, -15.82], [44.35, -15.75], [44.32, -15.68], [43.97, -15.53], [43.75, -15.0], [43.85, -14.75], [43.75, -14.5], [43.85, -14.25], [43.75, -14.0], [43.97, -13.47], [44.5, -13.25], [45.03, -13.47], [45.18, -13.82], [45.25, -13.85], [45.5, -13.75], [45.75, -13.85], [46.0, -13.75], [46.53, -13.97], [46.75, -14.5], [46.65, -14.75], [46.75, -15.0], [46.54, -15.5], [46.75, -16.0], [46.53, -16.53], [46.0, -16.75], [45.75, -16.65], [45.68, -16.68], [45.65, -16.75], [45.75, -17.0], [45.53, -17.53], [45.0, -17.75], [44.75, -17.65], [44.5, -17.75], [43.97, -17.53], [43.75, -17.0], [43.85, -16.75], [43.75, -16.5], [43.97, -15.97]]]]}, "2012-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, -15.97], [44.32, -15.82], [44.35, -15.75], [44.32, -15.68], [43.97, -15.53], [43.75, -15.0], [43.85, -14.75], [43.75, -14.5], [43.85, -14.25], [43.75, -14.0], [43.97, -13.47], [44.5, -13.25], [45.03, -13.47], [45.18, -13.82], [45.25, -13.85], [45.5, -13.75], [45.75, -13.85], [46.0, -13.75], [46.53, -13.97], [46.75, -14.5], [46.65, -14.75], [46.75, -15.0], [46.54, -15.5], [46.75, -16.0], [46.53, -16.53], [46.0, -16.75], [45.75, -16.65], [45.68, -16.68], [45.65, -16.75], [45.75, -17.0], [45.53, -17.53], [45.0, -17.75], [44.75, -17.65], [44.5, -17.75], [43.97, -17.53], [43.75, -17.0], [43.85, -16.75], [43.75, -16.5], [43.97, -15.97]]]]}, "2012-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, -15.97], [44.32, -15.82], [44.35, -15.75], [44.32, -15.68], [43.97, -15.53], [43.75, -15.0], [43.85, -14.75], [43.75, -14.5], [43.85, -14.25], [43.75, -14.0], [43.97, -13.47], [44.5, -13.25], [45.03, -13.47], [45.18, -13.82], [45.25, -13.85], [45.5, -13.75], [45.75, -13.85], [46.0, -13.75], [46.53, -13.97], [46.75, -14.5], [46.65, -14.75], [46.75, -15.0], [46.54, -15.5], [46.75, -16.0], [46.53, -16.53], [46.0, -16.75], [45.75, -16.65], [45.68, -16.68], [45.65, -16.75], [45.75, -17.0], [45.53, -17.53], [45.0, -17.75], [44.75, -17.65], [44.5, -17.75], [43.97, -17.53], [43.75, -17.0], [43.85, -16.75], [43.75, -16.5], [43.97, -15.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.309482772723925}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0434459558747091}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.7782336029735, 25.95274054320288, 25.96431307552041]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.113088492630652, 27.517293757268078, 27.143008601487452]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9560892788644568, 1.0967932286047875, 1.0774553601548829]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7862307137908147, 2.309482772723925, 1.651931963320635]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6236050332267558, 1.9441702456084329, 2.0382939438232373]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2008619731075227, 2.7152136184810414, 2.4678734467923116]}}