{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:28.715148", "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-Oct-07_to_2024-Oct-09_253.5_62.5"}, "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": 2024100001247}, "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 07 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 09 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58745.0456631899}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 62.5}, "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": 253.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "253.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 246.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 253.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-114.03, 65.03], [-113.68, 65.18], [-113.53, 65.53], [-113.18, 65.68], [-113.03, 66.03], [-112.5, 66.25], [-111.97, 66.03], [-111.82, 65.68], [-111.75, 65.65], [-111.5, 65.75], [-111.25, 65.65], [-111.0, 65.75], [-110.47, 65.53], [-110.32, 65.18], [-110.25, 65.15], [-110.0, 65.25], [-109.47, 65.03], [-109.25, 64.5], [-109.35, 64.25], [-109.32, 64.18], [-109.25, 64.15], [-109.0, 64.25], [-108.47, 64.03], [-108.32, 63.68], [-108.25, 63.65], [-108.0, 63.75], [-107.47, 63.53], [-107.32, 63.18], [-107.25, 63.15], [-107.0, 63.25], [-106.75, 63.15], [-106.5, 63.25], [-105.97, 63.03], [-105.75, 62.5], [-105.97, 61.97], [-106.5, 61.75], [-106.75, 61.85], [-107.0, 61.75], [-107.25, 61.85], [-107.5, 61.75], [-108.03, 61.97], [-108.18, 62.32], [-108.25, 62.35], [-108.5, 62.25], [-108.75, 62.35], [-109.0, 62.25], [-109.25, 62.35], [-109.5, 62.25], [-109.75, 62.35], [-110.0, 62.25], [-110.25, 62.35], [-110.32, 62.32], [-110.47, 61.97], [-111.0, 61.75], [-111.25, 61.85], [-111.5, 61.75], [-112.03, 61.97], [-112.18, 62.32], [-112.53, 62.47], [-112.68, 62.82], [-113.03, 62.97], [-113.18, 63.32], [-113.53, 63.47], [-113.68, 63.82], [-114.03, 63.97], [-114.25, 64.5], [-114.03, 65.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.03, 63.97], [-114.25, 64.5], [-114.03, 65.03], [-113.68, 65.18], [-113.53, 65.53], [-113.18, 65.68], [-113.03, 66.03], [-112.5, 66.25], [-111.97, 66.03], [-111.82, 65.68], [-111.75, 65.65], [-111.5, 65.75], [-111.25, 65.65], [-111.0, 65.75], [-110.47, 65.53], [-110.32, 65.18], [-110.25, 65.15], [-110.0, 65.25], [-109.47, 65.03], [-109.25, 64.5], [-109.35, 64.25], [-109.32, 64.18], [-109.25, 64.15], [-109.0, 64.25], [-108.47, 64.03], [-108.32, 63.68], [-108.25, 63.65], [-108.0, 63.75], [-107.47, 63.53], [-107.32, 63.18], [-107.25, 63.15], [-107.0, 63.25], [-106.75, 63.15], [-106.5, 63.25], [-105.97, 63.03], [-105.75, 62.5], [-105.97, 61.97], [-106.5, 61.75], [-106.75, 61.85], [-107.0, 61.75], [-107.25, 61.85], [-107.5, 61.75], [-108.03, 61.97], [-108.18, 62.32], [-108.25, 62.35], [-108.5, 62.25], [-108.75, 62.35], [-109.0, 62.25], [-109.25, 62.35], [-109.5, 62.25], [-109.75, 62.35], [-110.0, 62.25], [-110.25, 62.35], [-110.32, 62.32], [-110.47, 61.97], [-111.0, 61.75], [-111.25, 61.85], [-111.5, 61.75], [-112.03, 61.97], [-112.18, 62.32], [-112.53, 62.47], [-112.68, 62.82], [-113.03, 62.97], [-113.18, 63.32], [-113.53, 63.47], [-113.68, 63.82], [-114.03, 63.97]]]]}, "2024-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.03, 63.97], [-114.25, 64.5], [-114.03, 65.03], [-113.68, 65.18], [-113.53, 65.53], [-113.18, 65.68], [-113.03, 66.03], [-112.5, 66.25], [-111.97, 66.03], [-111.82, 65.68], [-111.75, 65.65], [-111.5, 65.75], [-111.25, 65.65], [-111.0, 65.75], [-110.47, 65.53], [-110.32, 65.18], [-110.25, 65.15], [-110.0, 65.25], 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62.32], [-112.53, 62.47], [-112.68, 62.82], [-113.03, 62.97], [-113.18, 63.32], [-113.53, 63.47], [-113.68, 63.82], [-114.03, 63.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.868006679255643}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.76182841162969}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.020120860255076, 4.953844043820482, 4.45616817030799]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [7.458188629150413, 8.09638621012374, 7.6370839436849]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.043328926395201, 6.231090141555229, 6.011066166938647]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.5399813016335315, 7.023347977485173, 8.868006679255643]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3848765025461893, 1.8020959709815692, 1.7621976353275155]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5973153942291607, 1.977695182795567, 2.337824380438267]}}