{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:24.886997", "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": "2020-Mar-29_to_2020-Apr-03_137.5_-19.0"}, "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": 2020030002746}, "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 29 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 03 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 55722.81601821129}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": []}, "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": -19.0}, "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": 137.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 136.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -19.0], [135.97, -18.47], [136.32, -18.32], [136.47, -17.97], [136.82, -17.82], [136.97, -17.47], [137.5, -17.25], [138.03, -17.47], [138.25, -18.0], [138.15, -18.25], [138.18, -18.32], [138.53, -18.47], [138.75, -19.0], [138.65, -19.25], [138.75, -19.5], [138.65, -19.75], [138.75, -20.0], [138.53, -20.53], [138.0, -20.75], [137.47, -20.53], [137.32, -20.18], [137.25, -20.15], [137.0, -20.25], [136.47, -20.03], [136.32, -19.68], [135.97, -19.53], [135.75, -19.0]]]]}, "2020-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -19.0], [135.97, -18.47], [136.32, -18.32], [136.47, -17.97], [136.82, -17.82], [136.97, -17.47], [137.5, -17.25], [138.03, -17.47], [138.25, -18.0], [138.15, -18.25], [138.18, -18.32], [138.53, -18.47], [138.75, -19.0], [138.65, -19.25], [138.75, -19.5], [138.65, -19.75], [138.75, -20.0], [138.53, -20.53], [138.0, -20.75], [137.47, -20.53], [137.32, -20.18], [137.25, -20.15], [137.0, -20.25], [136.47, -20.03], [136.32, -19.68], [135.97, -19.53], [135.75, -19.0]]]]}, "2020-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -19.0], [135.97, -18.47], [136.32, -18.32], [136.47, -17.97], [136.82, -17.82], [136.85, -17.75], [136.75, -17.5], [136.97, -16.97], [137.32, -16.82], [137.47, -16.47], [138.0, -16.25], [138.53, -16.47], [138.68, -16.82], [139.03, -16.97], [139.25, -17.5], [139.03, -18.03], [138.5, -18.25], [138.25, -18.15], [138.18, -18.18], [138.15, -18.25], [138.18, -18.32], [138.53, -18.47], [138.75, -19.0], [138.65, -19.25], [138.75, -19.5], [138.65, -19.75], [138.75, -20.0], [138.53, -20.53], [138.0, -20.75], [137.47, -20.53], [137.32, -20.18], [137.25, -20.15], [137.0, -20.25], [136.47, -20.03], [136.32, -19.68], [135.97, -19.53], [135.75, -19.0]]]]}, "2020-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -18.0], [135.97, -17.47], [136.32, -17.32], [136.35, -17.25], [136.25, -17.0], [136.47, -16.47], [137.0, -16.25], [137.5, -16.46], [138.0, -16.25], [138.53, -16.47], [138.68, 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anomaly over entire duration", "value": 2.9168833592821417}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.03462079755866, 31.490682204980374, 30.574272687425093, 30.29390080916346, 30.720537885867714, 30.878700605421727]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.55726066021117, 32.08746212087641, 31.517895870556004, 31.175404641419732, 32.04916375829805, 32.136011695740535]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8248384928358674, 3.3453376394946615, 2.6908265370978333, 2.4923768822279038, 2.9906486751604695, 3.2455065762677617]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4035915140556767, 4.12399621278729, 3.6352604087815052, 3.3015817468779005, 4.335838048939252, 4.525152003457947]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3775142800863809, 1.5932661324888977, 1.370195208697863, 1.3299619381410286, 1.5914489026731367, 1.730306249346411]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7023309575828656, 2.019207409960549, 1.7540179401800275, 1.5980778572292893, 2.10996145376648, 2.1807560415124687]}}