{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:32.465600", "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-Jun-23_to_2024-Jun-26_264.5_34.0"}, "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": 2024060002334}, "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": "June 23 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 26 2024"}, "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": 61680.55600166673}, "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": ["United States"]}, "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": 34.0}, "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": 264.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "264.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 264.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 268.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-95.0, 35.25], [-94.75, 35.15], [-94.5, 35.25], [-94.25, 35.15], [-94.0, 35.25], [-93.75, 35.15], [-93.5, 35.25], [-92.97, 35.03], [-92.82, 34.68], [-92.5, 34.54], [-92.0, 34.75], [-91.47, 34.53], [-91.25, 34.0], [-91.35, 33.75], [-91.25, 33.5], [-91.35, 33.25], [-91.25, 33.0], [-91.47, 32.47], [-92.0, 32.25], [-92.25, 32.35], [-92.5, 32.25], [-92.75, 32.35], [-93.0, 32.25], [-93.25, 32.35], [-93.5, 32.25], [-93.75, 32.35], [-94.0, 32.25], [-94.25, 32.35], [-94.5, 32.25], [-95.03, 32.47], [-95.25, 33.0], [-95.12, 33.3], [-95.25, 33.35], [-95.5, 33.25], [-95.75, 33.35], [-96.0, 33.25], [-96.53, 33.47], [-96.75, 34.0], [-96.53, 34.53], [-96.18, 34.68], [-96.03, 35.03], [-95.5, 35.25], [-95.25, 35.15], [-95.0, 35.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.02999999999997, 35.03], [-95.5, 35.25], [-95.25, 35.15], [-95.0, 35.25], [-94.75, 35.15], [-94.5, 35.25], [-94.25, 35.15], [-94.0, 35.25], [-93.75, 35.15], [-93.5, 35.25], [-92.97000000000003, 35.03], [-92.82, 34.68], [-92.5, 34.54], [-92.0, 34.75], [-91.47000000000003, 34.53], [-91.25, 34.0], [-91.35000000000002, 33.75], [-91.25, 33.5], [-91.35000000000002, 33.25], [-91.25, 33.0], [-91.47000000000003, 32.47], [-92.0, 32.25], [-92.25, 32.35], [-92.5, 32.25], [-92.75, 32.35], [-93.0, 32.25], [-93.25, 32.35], [-93.5, 32.25], [-93.75, 32.35], [-94.0, 32.25], [-94.25, 32.35], [-94.5, 32.25], [-95.02999999999997, 32.47], [-95.25, 33.0], [-95.12, 33.3], [-95.25, 33.35], [-95.5, 33.25], [-95.75, 33.35], [-96.0, 33.25], [-96.52999999999997, 33.47], [-96.75, 34.0], [-96.52999999999997, 34.53], [-96.18, 34.68], [-96.02999999999997, 35.03]]]]}, "2024-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.02999999999997, 35.03], [-95.5, 35.25], [-95.25, 35.15], [-95.0, 35.25], [-94.75, 35.15], [-94.5, 35.25], [-94.25, 35.15], [-94.0, 35.25], [-93.75, 35.15], [-93.5, 35.25], [-92.97000000000003, 35.03], [-92.82, 34.68], [-92.5, 34.54], [-92.0, 34.75], [-91.47000000000003, 34.53], [-91.25, 34.0], [-91.35000000000002, 33.75], [-91.25, 33.5], [-91.35000000000002, 33.25], [-91.25, 33.0], [-91.47000000000003, 32.47], [-92.0, 32.25], [-92.25, 32.35], [-92.5, 32.25], [-92.75, 32.35], [-93.0, 32.25], [-93.25, 32.35], [-93.5, 32.25], [-93.75, 32.35], [-94.0, 32.25], [-94.25, 32.35], [-94.5, 32.25], [-95.02999999999997, 32.47], [-95.25, 33.0], [-95.12, 33.3], [-95.25, 33.35], [-95.5, 33.25], [-95.75, 33.35], [-96.0, 33.25], [-96.52999999999997, 33.47], [-96.75, 34.0], [-96.52999999999997, 34.53], [-96.18, 34.68], [-96.02999999999997, 35.03]]]]}, "2024-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.02999999999997, 35.03], [-95.5, 35.25], [-95.25, 35.15], [-95.0, 35.25], [-94.75, 35.15], [-94.5, 35.25], [-94.25, 35.15], [-94.0, 35.25], [-93.75, 35.15], [-93.5, 35.25], [-92.97000000000003, 35.03], [-92.82, 34.68], [-92.5, 34.54], [-92.0, 34.75], [-91.47000000000003, 34.53], [-91.25, 34.0], [-91.35000000000002, 33.75], [-91.25, 33.5], [-91.35000000000002, 33.25], [-91.25, 33.0], [-91.47000000000003, 32.47], [-92.0, 32.25], [-92.25, 32.35], [-92.5, 32.25], [-92.75, 32.35], [-93.0, 32.25], [-93.25, 32.35], [-93.5, 32.25], [-93.75, 32.35], [-94.0, 32.25], [-94.25, 32.35], [-94.5, 32.25], [-95.02999999999997, 32.47], [-95.25, 33.0], [-95.12, 33.3], [-95.25, 33.35], [-95.5, 33.25], [-95.75, 33.35], [-96.0, 33.25], [-96.52999999999997, 33.47], [-96.75, 34.0], [-96.52999999999997, 34.53], [-96.18, 34.68], [-96.02999999999997, 35.03]]]]}, "2024-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.0, 33.25], [-96.52999999999997, 33.47], [-96.75, 34.0], [-96.52999999999997, 34.53], [-96.0, 34.75], [-95.75, 34.65], [-95.5, 34.75], [-94.97000000000003, 34.53], [-94.75, 34.0], [-94.97000000000003, 33.47], [-95.5, 33.25], [-95.75, 33.35], [-96.0, 33.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.699613046964828}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.707165157933551}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.244389949367985, 31.041141509303486, 30.780104482601985, 30.423729604559526]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.004405947645353, 31.696101110451195, 31.479829627704646, 30.454753151840464]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3148023397419806, 4.065688697394975, 3.7868505529466225, 3.1570117625384455]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.650183089623397, 4.699613046964828, 4.2851185297137135, 3.1929889917046808]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.563554031765264, 1.8546739867991748, 1.7026936859833448, 1.4366051336772236]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6978853105649867, 2.1179725893003463, 1.9153279261750347, 1.4559715884976103]}}