{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:23.495448", "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": "2024-Jun-06_to_2024-Jun-10_173.0_-34.0"}, "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": 2024060001290}, "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": "June 06 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 10 2024"}, "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": 180689.25055279065}, "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": ["New Zealand"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["Pacific Ocean", "Tasman 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": -34.0}, "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": 173.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "173.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 172.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 176.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[174.75, -37.5], [174.65, -37.75], [174.75, -38.0], [174.53, -38.53], [174.18, -38.68], [174.03, -39.03], [173.5, 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[174.75, -37.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["New-Zealand"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[171.25, -37.0], [171.35, -36.75], [171.25, -36.5], [171.35, -36.25], [171.25, -36.0], [171.35, -35.75], [171.25, -35.5], [171.35, -35.25], [171.25, -35.0], [171.47, -34.47], [171.88, -34.3], [171.75, -34.0], [171.85, -33.75], [171.75, -33.5], [171.97, -32.97], [172.5, -32.75], [172.75, -32.85], [173.0, -32.75], [173.25, -32.85], [173.5, -32.75], [173.75, -32.85], [174.0, -32.75], [174.25, -32.85], [174.5, -32.75], [175.03, -32.97], [175.25, -33.5], [175.15, -33.75], [175.25, -34.0], [175.03, -34.53], [174.63, -34.7], [174.68, -34.82], [174.75, -34.85], [175.0, -34.75], [175.53, -34.97], [175.75, -35.5], [175.65, -35.75], [175.75, -36.0], 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1659234671015}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.204630398280983, 17.17641526124629, 17.340722750305815, 18.009066783246567, 16.889926379627013]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.71502055066179, 18.716563606678392, 18.563394993663053, 19.242014787065216, 17.773593953591785]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7949602524691874, 1.8886688295809686, 2.0619480161672907, 2.7769458539797287, 1.4723985876518326]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.877822525006877, 3.56254598561992, 4.220735521054053, 5.424323178024622, 1.5933708980834922]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.419278272974693, 1.5028354582750498, 1.65561786010222, 2.2488703461955284, 1.250887544142126]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8193973470585387, 1.8342287278037088, 2.1343265577893926, 2.5674416451405215, 1.3767631245751546]}}