{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:40.655901", "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-Oct-11_to_2012-Oct-14_259.0_27.5"}, "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": 2012100002009}, "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": "October 11 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 82386.28076734737}, "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"]}, "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": 27.5}, "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": 259.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "259.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 258.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 261.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.03, 28.03], [-101.68, 28.18], [-101.65, 28.25], [-101.75, 28.5], [-101.53, 29.03], [-101.0, 29.25], [-100.75, 29.15], [-100.5, 29.25], [-99.97, 29.03], [-99.82, 28.68], [-99.47, 28.53], [-99.32, 28.18], [-98.97, 28.03], [-98.75, 27.5], [-98.85, 27.25], [-98.82, 27.18], [-98.47, 27.03], [-98.25, 26.5], [-98.35, 26.25], [-98.25, 26.0], [-98.47, 25.47], [-98.82, 25.32], [-98.85, 25.25], [-98.75, 25.0], [-98.97, 24.47], [-99.5, 24.25], [-100.03, 24.47], [-100.18, 24.82], [-100.53, 24.97], [-100.75, 25.5], [-100.65, 25.75], [-100.68, 25.82], [-101.03, 25.97], [-101.18, 26.32], [-101.25, 26.35], [-101.5, 26.25], [-102.03, 26.47], [-102.25, 27.0], [-102.15, 27.25], [-102.25, 27.5], [-102.03, 28.03]]]]}, "2012-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.03, 28.03], [-101.68, 28.18], [-101.65, 28.25], [-101.75, 28.5], [-101.65, 28.75], [-101.75, 29.0], [-101.65, 29.25], [-101.75, 29.5], [-101.53, 30.03], [-101.0, 30.25], [-100.75, 30.15], [-100.5, 30.25], [-99.97, 30.03], [-99.75, 29.5], [-99.85, 29.25], [-99.82, 29.18], [-99.47, 29.03], [-99.25, 28.5], [-99.35, 28.25], [-99.32, 28.18], [-98.97, 28.03], [-98.75, 27.5], [-98.85, 27.25], [-98.82, 27.18], [-98.47, 27.03], [-98.25, 26.5], [-98.35, 26.25], [-98.25, 26.0], [-98.47, 25.47], [-98.82, 25.32], [-98.85, 25.25], [-98.75, 25.0], [-98.97, 24.47], [-99.5, 24.25], [-100.03, 24.47], [-100.18, 24.82], [-100.53, 24.97], [-100.75, 25.5], [-100.65, 25.75], [-100.68, 25.82], [-101.03, 25.97], [-101.18, 26.32], [-101.25, 26.35], [-101.5, 26.25], [-102.03, 26.47], [-102.25, 27.0], [-102.15, 27.25], [-102.25, 27.5], [-102.03, 28.03]]]]}, "2012-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.03, 28.03], [-101.68, 28.18], [-101.65, 28.25], [-101.75, 28.5], [-101.65, 28.75], [-101.75, 29.0], [-101.65, 29.25], [-101.75, 29.5], [-101.53, 30.03], [-101.0, 30.25], [-100.75, 30.15], [-100.5, 30.25], [-99.97, 30.03], [-99.75, 29.5], [-99.85, 29.25], [-99.82, 29.18], [-99.47, 29.03], [-99.25, 28.5], [-99.35, 28.25], [-99.32, 28.18], [-98.97, 28.03], [-98.75, 27.5], [-98.85, 27.25], [-98.82, 27.18], [-98.47, 27.03], [-98.25, 26.5], [-98.35, 26.25], [-98.25, 26.0], [-98.47, 25.47], [-98.82, 25.32], [-98.85, 25.25], [-98.75, 25.0], [-98.97, 24.47], [-99.5, 24.25], [-100.03, 24.47], [-100.18, 24.82], [-100.53, 24.97], [-100.75, 25.5], [-100.65, 25.75], [-100.68, 25.82], [-101.03, 25.97], [-101.18, 26.32], [-101.25, 26.35], [-101.5, 26.25], [-102.03, 26.47], [-102.25, 27.0], [-102.15, 27.25], [-102.25, 27.5], [-102.03, 28.03]]]]}, "2012-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.65, 27.75], [-101.75, 28.0], [-101.65, 28.25], [-101.75, 28.5], [-101.65, 28.75], [-101.75, 29.0], [-101.65, 29.25], [-101.75, 29.5], [-101.53, 30.03], [-101.0, 30.25], [-100.75, 30.15], [-100.5, 30.25], [-99.97, 30.03], [-99.75, 29.5], [-99.85, 29.25], [-99.82, 29.18], [-99.47, 29.03], [-99.25, 28.5], [-99.35, 28.25], [-99.32, 28.18], [-98.97, 28.03], [-98.75, 27.5], [-98.85, 27.25], [-98.82, 27.18], 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[29.942244283908792, 29.607331956842643, 30.252629465836662, 29.813914756667657]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.149387558427714, 4.090440268076231, 4.888034377034387, 4.350286835879972]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.695960428534704, 4.830117159009433, 5.572776079731568, 4.869908946404223]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.169936056264933, 1.149131870277746, 1.3867363698085091, 1.2327271066638346]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3048103054896996, 1.365219401531228, 1.6045590817714341, 1.4034107311802184]}}