{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:46.348612", "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-Jul-24_to_2024-Jul-26_257.0_48.0"}, "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": 2024070002368}, "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 24 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 26 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": 66653.98800658854}, "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", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-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": 48.0}, "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": 257.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "257.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 253.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 257.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 44.0], [-106.03, 44.53], [-105.68, 44.68], [-105.53, 45.03], [-105.18, 45.18], [-105.03, 45.53], [-104.68, 45.68], [-104.53, 46.03], [-104.18, 46.18], [-104.15, 46.25], [-104.25, 46.5], [-104.15, 46.75], [-104.25, 47.0], [-104.15, 47.25], [-104.25, 47.5], [-104.15, 47.75], [-104.25, 48.0], [-104.15, 48.25], [-104.25, 48.5], [-104.03, 49.03], [-103.68, 49.18], [-103.53, 49.53], [-103.0, 49.75], [-102.47, 49.53], [-102.25, 49.0], [-102.35, 48.75], [-102.32, 48.68], [-101.97, 48.53], [-101.75, 48.0], [-101.97, 47.47], [-102.32, 47.32], [-102.35, 47.25], [-102.25, 47.0], [-102.35, 46.75], [-102.32, 46.68], [-101.97, 46.53], [-101.75, 46.0], [-101.85, 45.75], [-101.75, 45.5], [-101.97, 44.97], [-102.5, 44.75], [-102.75, 44.85], [-102.82, 44.82], [-102.96, 44.5], [-102.75, 44.0], [-102.97, 43.47], [-103.5, 43.25], [-104.0, 43.46], [-104.5, 43.25], [-104.75, 43.35], [-104.82, 43.32], [-104.97, 42.97], [-105.32, 42.82], [-105.47, 42.47], [-106.0, 42.25], [-106.53, 42.47], [-106.75, 43.0], [-106.53, 43.53], [-106.18, 43.68], [-106.15, 43.75], [-106.25, 44.0]]]]}, "2024-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 44.0], [-106.03, 44.53], [-105.68, 44.68], [-105.53, 45.03], [-105.18, 45.18], [-105.03, 45.53], [-104.68, 45.68], [-104.53, 46.03], [-104.18, 46.18], [-104.15, 46.25], [-104.25, 46.5], [-104.15, 46.75], [-104.25, 47.0], [-104.15, 47.25], [-104.25, 47.5], [-104.15, 47.75], [-104.25, 48.0], [-104.15, 48.25], [-104.25, 48.5], [-104.03, 49.03], [-103.68, 49.18], [-103.53, 49.53], [-103.0, 49.75], [-102.47, 49.53], [-102.25, 49.0], [-102.35, 48.75], [-102.32, 48.68], [-101.97, 48.53], [-101.75, 48.0], [-101.97, 47.47], [-102.32, 47.32], [-102.35, 47.25], [-102.25, 47.0], [-102.35, 46.75], [-102.32, 46.68], [-101.97, 46.53], [-101.75, 46.0], [-101.85, 45.75], [-101.75, 45.5], [-101.97, 44.97], [-102.5, 44.75], [-102.75, 44.85], [-102.82, 44.82], [-102.96, 44.5], [-102.75, 44.0], [-102.97, 43.47], [-103.5, 43.25], [-104.0, 43.46], [-104.5, 43.25], [-104.75, 43.35], [-104.82, 43.32], [-104.97, 42.97], [-105.32, 42.82], [-105.47, 42.47], [-106.0, 42.25], [-106.53, 42.47], [-106.75, 43.0], [-106.53, 43.53], [-106.18, 43.68], [-106.15, 43.75], [-106.25, 44.0]]]]}, "2024-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 44.0], [-106.03, 44.53], [-105.68, 44.68], [-105.53, 45.03], [-105.18, 45.18], [-105.03, 45.53], [-104.68, 45.68], [-104.53, 46.03], [-104.18, 46.18], [-104.15, 46.25], [-104.25, 46.5], [-104.15, 46.75], [-104.25, 47.0], [-104.15, 47.25], [-104.25, 47.5], [-104.15, 47.75], [-104.25, 48.0], [-104.15, 48.25], [-104.25, 48.5], [-104.03, 49.03], [-103.68, 49.18], [-103.53, 49.53], [-103.0, 49.75], [-102.47, 49.53], [-102.25, 49.0], [-102.35, 48.75], [-102.32, 48.68], [-101.97, 48.53], [-101.75, 48.0], [-101.97, 47.47], [-102.32, 47.32], [-102.35, 47.25], [-102.25, 47.0], [-102.35, 46.75], [-102.32, 46.68], [-101.97, 46.53], [-101.75, 46.0], [-101.85, 45.75], [-101.75, 45.5], [-101.97, 44.97], [-102.5, 44.75], [-102.75, 44.85], [-102.82, 44.82], [-102.96, 44.5], [-102.75, 44.0], [-102.97, 43.47], [-103.5, 43.25], [-104.0, 43.46], [-104.5, 43.25], [-104.75, 43.35], [-104.82, 43.32], [-104.97, 42.97], [-105.32, 42.82], [-105.47, 42.47], [-106.0, 42.25], [-106.53, 42.47], [-106.75, 43.0], [-106.53, 43.53], [-106.18, 43.68], [-106.15, 43.75], [-106.25, 44.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.761689628402337}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.102536917907423}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.99432816163437, 30.015037249622083, 27.14077218105558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.83727857388226, 31.813486576162347, 29.860098200245716]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.997665455063118, 8.062188353764984, 5.24775694489417]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.0132179790548435, 9.761689628402337, 7.056000241377319]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5024242689108618, 2.4772983881196233, 1.595068447419128]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8053407372094636, 3.1210924006865453, 2.1183835517409166]}}