{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:51.444459", "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": "2016-Jul-04_to_2016-Jul-10_229.5_62.0"}, "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": 2016070001560}, "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": "July 04 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 10 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 127902.37609285914}, "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": ["Canada"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 62.0}, "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": 229.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "229.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 226.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 234.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 64.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-133.75, 64.5], [-133.53, 65.03], [-133.0, 65.25], [-132.75, 65.15], [-132.5, 65.25], [-132.25, 65.15], [-132.0, 65.25], [-131.75, 65.15], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-130.25, 65.15], [-130.0, 65.25], [-129.75, 65.15], [-129.5, 65.25], [-129.25, 65.15], [-129.0, 65.25], [-128.47, 65.03], [-128.32, 64.68], [-127.97, 64.53], [-127.82, 64.18], [-127.75, 64.15], [-127.5, 64.25], [-126.97, 64.03], [-126.82, 63.68], [-126.75, 63.65], [-126.5, 63.75], [-125.97, 63.53], [-125.75, 63.0], [-125.85, 62.75], [-125.75, 62.5], [-125.85, 62.25], [-125.75, 62.0], [-125.85, 61.75], [-125.75, 61.5], [-125.85, 61.25], [-125.82, 61.18], [-125.47, 61.03], [-125.25, 60.5], [-125.47, 59.97], [-126.0, 59.75], [-126.25, 59.85], [-126.5, 59.75], [-126.75, 59.85], [-127.0, 59.75], [-127.25, 59.85], [-127.5, 59.75], [-128.03, 59.97], [-128.18, 60.32], [-128.25, 60.35], [-128.5, 60.25], [-129.03, 60.47], [-129.18, 60.82], [-129.25, 60.85], [-129.5, 60.75], [-129.75, 60.85], [-130.0, 60.75], [-130.53, 60.97], [-130.68, 61.32], [-130.75, 61.35], [-131.0, 61.25], [-131.53, 61.47], [-131.68, 61.82], [-132.03, 61.97], [-132.18, 62.32], [-132.25, 62.35], [-132.5, 62.25], [-132.75, 62.35], [-133.0, 62.25], [-133.25, 62.35], [-133.5, 62.25], [-134.03, 62.47], [-134.25, 63.0], [-134.03, 63.53], [-133.68, 63.68], [-133.54, 64.0], [-133.75, 64.5]]]]}, "2016-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-133.75, 64.5], [-133.53, 65.03], [-133.0, 65.25], [-132.75, 65.15], [-132.5, 65.25], [-132.25, 65.15], [-132.0, 65.25], [-131.75, 65.15], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-130.25, 65.15], [-130.0, 65.25], [-129.75, 65.15], [-129.5, 65.25], [-129.25, 65.15], [-129.0, 65.25], [-128.47, 65.03], [-128.32, 64.68], [-127.97, 64.53], [-127.82, 64.18], [-127.75, 64.15], [-127.5, 64.25], [-126.97, 64.03], [-126.82, 63.68], [-126.75, 63.65], [-126.5, 63.75], [-125.97, 63.53], [-125.75, 63.0], [-125.85, 62.75], [-125.75, 62.5], [-125.85, 62.25], [-125.75, 62.0], [-125.85, 61.75], [-125.75, 61.5], [-125.85, 61.25], [-125.82, 61.18], [-125.47, 61.03], [-125.25, 60.5], [-125.47, 59.97], [-126.0, 59.75], [-126.25, 59.85], [-126.5, 59.75], [-126.75, 59.85], [-127.0, 59.75], [-127.25, 59.85], [-127.5, 59.75], [-127.75, 59.85], [-128.0, 59.75], [-128.25, 59.85], [-128.5, 59.75], [-128.75, 59.85], [-129.0, 59.75], [-129.25, 59.85], [-129.5, 59.75], [-130.03, 59.97], [-130.25, 60.5], [-130.15, 60.75], [-130.18, 60.82], [-130.53, 60.97], [-130.68, 61.32], [-130.75, 61.35], [-131.0, 61.25], [-131.25, 61.35], [-131.5, 61.25], [-132.03, 61.47], [-132.25, 62.0], [-132.15, 62.25], [-132.18, 62.32], [-132.25, 62.35], [-132.5, 62.25], [-132.75, 62.35], [-133.0, 62.25], [-133.25, 62.35], [-133.5, 62.25], [-134.03, 62.47], [-134.25, 63.0], [-134.03, 63.53], [-133.68, 63.68], [-133.54, 64.0], [-133.75, 64.5]]]]}, "2016-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-133.75, 64.5], [-133.53, 65.03], [-133.0, 65.25], [-132.75, 65.15], [-132.5, 65.25], [-132.25, 65.15], [-132.0, 65.25], [-131.75, 65.15], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-130.25, 65.15], [-130.0, 65.25], [-129.75, 65.15], [-129.5, 65.25], [-129.25, 65.15], [-129.0, 65.25], [-128.47, 65.03], [-128.32, 64.68], [-127.97, 64.53], [-127.82, 64.18], [-127.75, 64.15], [-127.5, 64.25], [-126.97, 64.03], [-126.82, 63.68], [-126.75, 63.65], [-126.5, 63.75], [-125.97, 63.53], [-125.75, 63.0], [-125.85, 62.75], [-125.75, 62.5], [-125.85, 62.25], [-125.75, 62.0], [-125.85, 61.75], [-125.75, 61.5], [-125.85, 61.25], [-125.82, 61.18], [-125.47, 61.03], [-125.25, 60.5], [-125.47, 59.97], [-126.0, 59.75], [-126.25, 59.85], [-126.5, 59.75], [-126.75, 59.85], [-127.0, 59.75], [-127.25, 59.85], [-127.5, 59.75], [-127.75, 59.85], [-128.0, 59.75], [-128.25, 59.85], [-128.5, 59.75], [-128.75, 59.85], [-129.0, 59.75], [-129.25, 59.85], [-129.5, 59.75], [-130.03, 59.97], [-130.25, 60.5], [-130.15, 60.75], [-130.18, 60.82], [-130.53, 60.97], [-130.68, 61.32], [-130.75, 61.35], [-131.0, 61.25], [-131.25, 61.35], [-131.5, 61.25], [-132.03, 61.47], [-132.25, 62.0], [-132.15, 62.25], [-132.18, 62.32], [-132.25, 62.35], [-132.5, 62.25], [-132.75, 62.35], [-133.0, 62.25], [-133.25, 62.35], [-133.5, 62.25], [-134.03, 62.47], [-134.25, 63.0], [-134.03, 63.53], [-133.68, 63.68], [-133.54, 64.0], [-133.75, 64.5]]]]}, "2016-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-132.03, 63.03], [-131.5, 63.25], [-130.97, 63.03], [-130.82, 62.68], [-130.75, 62.65], [-130.5, 62.75], [-130.07, 62.57], [-130.18, 62.82], [-130.53, 62.97], [-130.68, 63.32], [-130.75, 63.35], [-131.0, 63.25], [-131.53, 63.47], [-131.68, 63.82], [-132.03, 63.97], [-132.25, 64.5], [-132.03, 65.03], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-130.25, 65.15], [-130.0, 65.25], [-129.75, 65.15], [-129.5, 65.25], [-129.25, 65.15], [-129.0, 65.25], [-128.47, 65.03], [-128.32, 64.68], [-127.97, 64.53], [-127.82, 64.18], [-127.75, 64.15], [-127.5, 64.25], [-126.97, 64.03], [-126.75, 63.5], [-126.85, 63.25], [-126.82, 63.18], [-126.47, 63.03], [-126.25, 62.5], [-126.47, 61.97], [-127.0, 61.75], [-127.25, 61.85], [-127.5, 61.75], [-127.75, 61.85], [-128.0, 61.75], [-127.47, 61.53], [-127.25, 61.0], [-127.35, 60.75], [-127.25, 60.5], [-127.47, 59.97], [-128.0, 59.75], [-128.25, 59.85], [-128.5, 59.75], [-128.75, 59.85], [-129.0, 59.75], [-129.25, 59.85], [-129.5, 59.75], [-130.03, 59.97], [-130.25, 60.5], [-130.15, 60.75], [-130.18, 60.82], [-130.53, 60.97], [-130.68, 61.32], [-130.75, 61.35], [-131.0, 61.25], [-131.25, 61.35], [-131.5, 61.25], [-132.03, 61.47], [-132.25, 62.0], [-132.15, 62.25], [-132.25, 62.5], [-132.03, 63.03]], [[-128.25, 61.85], [-128.5, 61.75], [-128.25, 61.65], [-128.0, 61.75], [-128.25, 61.85]], [[-128.93, 61.93], [-128.82, 61.68], [-128.75, 61.65], [-128.5, 61.75], [-128.93, 61.93]], [[-129.5, 62.25], [-129.07, 62.07], [-129.18, 62.32], [-129.25, 62.35], [-129.5, 62.25]], [[-129.93, 62.43], [-129.82, 62.18], [-129.75, 62.15], [-129.5, 62.25], [-129.93, 62.43]]]]}, "2016-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-132.03, 63.03], [-131.5, 63.25], [-130.97, 63.03], [-130.82, 62.68], [-130.75, 62.65], [-130.5, 62.75], [-130.25, 62.65], [-130.12, 62.7], [-130.18, 62.82], [-130.53, 62.97], [-130.68, 63.32], [-130.75, 63.35], [-131.0, 63.25], [-131.53, 63.47], [-131.68, 63.82], [-132.03, 63.97], [-132.25, 64.5], [-132.03, 65.03], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-130.25, 65.15], [-130.0, 65.25], [-129.75, 65.15], [-129.5, 65.25], [-129.25, 65.15], [-129.0, 65.25], [-128.47, 65.03], [-128.32, 64.68], [-127.97, 64.53], [-127.82, 64.18], [-127.75, 64.15], [-127.5, 64.25], [-126.97, 64.03], [-126.75, 63.5], [-126.85, 63.25], [-126.75, 63.0], [-126.97, 62.47], [-127.5, 62.25], [-127.75, 62.35], [-127.82, 62.32], [-127.97, 61.97], [-128.5, 61.75], [-129.03, 61.97], [-129.18, 62.32], [-129.25, 62.35], [-129.37, 62.3], [-129.25, 62.0], [-129.47, 61.47], [-130.0, 61.25], [-130.25, 61.35], [-130.5, 61.25], [-130.75, 61.35], [-131.0, 61.25], [-131.25, 61.35], [-131.5, 61.25], [-132.03, 61.47], [-132.25, 62.0], [-132.15, 62.25], [-132.25, 62.5], [-132.03, 63.03]]]]}, "2016-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-131.53, 61.47], [-131.75, 62.0], [-131.53, 62.53], [-131.0, 62.75], [-130.75, 62.65], [-130.5, 62.75], [-130.25, 62.65], [-130.0, 62.75], [-129.47, 62.53], [-129.25, 62.0], [-129.47, 61.47], [-130.0, 61.25], [-130.25, 61.35], [-130.5, 61.25], [-130.75, 61.35], [-131.0, 61.25], [-131.53, 61.47]]]]}, "2016-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-131.53, 61.47], [-131.75, 62.0], [-131.53, 62.53], [-131.0, 62.75], [-130.75, 62.65], [-130.5, 62.75], [-130.25, 62.65], [-130.0, 62.75], [-129.47, 62.53], [-129.25, 62.0], [-129.47, 61.47], [-130.0, 61.25], [-130.25, 61.35], [-130.5, 61.25], [-130.75, 61.35], [-131.0, 61.25], [-131.53, 61.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.260943276747753}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8604718700304903}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.62864926400647, 15.625592720015845, 14.993475116619038, 14.501083160026951, 14.035713176343165, 16.4544136428525, 17.155749805203527]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.48630362416918, 19.246443217272997, 18.25061725820018, 18.615988581751765, 19.28842819839292, 17.612768506570944, 18.020294790923003]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6126072683314594, 4.425544423182962, 3.762425173213761, 3.5829241714304314, 3.5923128788247123, 3.1205636173857934, 3.8325472087996295]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.533302659819299, 5.260943276747753, 4.781505396625221, 5.123635916428611, 4.363340855767092, 3.238456473425913, 4.014886870202247]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5768450212619345, 1.9437432421181178, 1.6607088382949515, 1.4986283585107172, 1.4772180208709564, 1.4126366832661859, 1.729446794779146]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.96949405122892, 2.4971493652777426, 2.0770354837004485, 1.7813720495257692, 2.0441383616972537, 1.4497123561330603, 1.8142999098760697]}}