{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:32.614607", "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": "2013-Sep-12_to_2013-Sep-16_37.0_-22.5"}, "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": 2013090002050}, "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 12 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 16 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 147406.93031308465}, "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": ["Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa"]}, "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": -22.5}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.5, -17.25], [39.03, -17.47], [39.25, -18.0], [39.03, -18.53], [38.5, -18.75], [37.97, -18.53], [37.75, -18.0], [37.97, -17.47], [38.5, -17.25]]]]}, "2013-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.5, -17.25], [39.03, -17.47], [39.25, -18.0], [39.03, -18.53], [38.5, -18.75], [37.97, -18.53], [37.75, -18.0], [37.97, -17.47], [38.5, -17.25]]]]}, "2013-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.85, -21.75], [34.75, -21.5], [34.85, -21.25], [34.75, -21.0], [34.85, -20.75], [34.75, -20.5], [34.85, -20.25], [34.75, -20.0], [34.97, -19.47], [35.32, -19.32], [35.47, -18.97], [36.0, -18.75], [36.53, -18.97], [36.68, -19.32], [37.03, -19.47], [37.18, -19.82], [37.25, -19.85], [37.5, -19.75], [37.75, -19.85], [37.82, -19.82], [37.85, -19.75], [37.82, -19.68], [37.47, -19.53], [37.25, -19.0], [37.47, -18.47], [37.82, -18.32], [37.85, -18.25], [37.75, -18.0], [37.97, -17.47], [38.5, -17.25], [38.75, -17.35], [39.0, -17.25], [39.53, -17.47], [39.68, -17.82], [40.03, -17.97], [40.18, -18.32], [40.53, -18.47], [40.75, -19.0], [40.53, -19.53], [40.18, -19.68], [40.03, -20.03], [39.68, -20.18], [39.53, -20.53], [39.18, -20.68], [39.03, -21.03], [38.68, -21.18], [38.53, -21.53], [38.18, -21.68], [38.15, -21.75], [38.25, -22.0], [38.15, -22.25], [38.25, -22.5], [38.03, -23.03], [37.68, -23.18], [37.53, -23.53], [37.18, -23.68], [37.03, -24.03], [36.5, -24.25], [35.97, -24.03], [35.82, -23.68], [35.47, -23.53], [35.32, -23.18], [34.97, -23.03], [34.75, -22.5], [34.85, -22.25], [34.75, -22.0], [34.85, -21.75]]]]}, "2013-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.85, -21.75], [34.75, -21.5], [34.85, -21.25], [34.75, -21.0], [34.85, -20.75], [34.75, -20.5], [34.85, -20.25], [34.75, -20.0], [34.97, -19.47], [35.32, -19.32], [35.47, -18.97], [36.0, -18.75], [36.53, -18.97], [36.68, -19.32], [37.03, -19.47], [37.18, -19.82], [37.25, -19.85], [37.5, -19.75], [37.75, -19.85], [37.82, -19.82], [37.85, -19.75], [37.82, -19.68], [37.47, -19.53], [37.25, 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over entire duration", "value": 1.788050271372697}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2591958274888346}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.81575760968593, 24.77706408413917, 24.52085255521979, 24.77745108057985, 24.738659199811252]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.81575760968593, 24.77706408413917, 24.99026853034701, 25.045032350778058, 25.055095787865923]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7835621274124946, 0.7544916108631696, 1.1227817212544082, 1.3725083546973462, 1.302366196429308]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7835621274124946, 0.7544916108631696, 1.4044526974095106, 1.7566377825777977, 1.788050271372697]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.205043323365279, 1.1868819423902586, 1.4746118936704673, 1.7597878523384882, 1.6308574005702896]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.205043323365279, 1.1868819423902586, 1.648162162814936, 2.0388553613662546, 2.0514959041938643]}}