{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:30.868597", "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-19_to_2012-Sep-24_245.0_33.0"}, "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": 2012090002332}, "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 19 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 24 2012"}, "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": 54334.02754933288}, "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": ["Mexico", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": 33.0}, "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": 245.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "245.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 243.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 248.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-115.0, 33.75], [-114.47, 33.53], [-114.25, 33.0], [-114.47, 32.47], [-115.0, 32.25], [-115.53, 32.47], [-115.75, 33.0], [-115.53, 33.53], [-115.0, 33.75]]]]}, "2012-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.0, 34.75], [-115.47, 34.53], [-115.25, 34.0], [-115.43, 33.57], [-115.18, 33.68], [-115.03, 34.03], [-114.5, 34.25], [-114.25, 34.15], [-114.0, 34.25], [-113.75, 34.15], [-113.5, 34.25], [-112.97, 34.03], [-112.75, 33.5], [-112.85, 33.25], [-112.82, 33.18], [-112.47, 33.03], [-112.32, 32.68], [-111.97, 32.53], [-111.75, 32.0], [-111.97, 31.47], [-112.5, 31.25], [-113.03, 31.47], [-113.18, 31.82], [-113.53, 31.97], [-113.68, 32.32], [-113.75, 32.35], [-114.0, 32.25], [-114.25, 32.35], [-114.32, 32.32], [-114.47, 31.97], [-115.0, 31.75], [-115.53, 31.97], [-115.75, 32.5], [-115.65, 32.75], [-115.75, 33.0], [-115.57, 33.43], [-115.82, 33.32], [-115.97, 32.97], [-116.5, 32.75], [-117.03, 32.97], [-117.25, 33.5], [-117.03, 34.03], [-116.68, 34.18], [-116.53, 34.53], [-116.0, 34.75]]]]}, 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"description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2234890968605672, 1.4233580677642326, 1.4879376834201163, 1.3950238090736788, 1.6146428657603304, 1.4155896312186809]}}