{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:27.695574", "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-14_to_2024-Jun-18_275.0_34.5"}, "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": 2024060001809}, "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 14 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 107743.98800151724}, "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": 34.5}, "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": 275.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "275.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 273.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 277.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-84.25, 32.0], [-84.47, 31.47], [-85.0, 31.25], [-85.25, 31.35], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-87.03, 31.47], [-87.25, 32.0], [-87.15, 32.25], [-87.25, 32.5], [-87.03, 33.03], [-86.68, 33.18], [-86.65, 33.25], [-86.75, 33.5], [-86.65, 33.75], [-86.75, 34.0], [-86.65, 34.25], [-86.75, 34.5], [-86.65, 34.75], [-86.75, 35.0], [-86.53, 35.53], [-86.0, 35.75], [-85.75, 35.65], [-85.68, 35.68], [-85.53, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.68, 36.18], [-83.53, 36.53], [-83.0, 36.75], [-82.47, 36.53], [-82.25, 36.0], [-82.35, 35.75], [-82.25, 35.5], [-82.46, 35.0], [-82.25, 34.5], [-82.47, 33.97], [-82.82, 33.82], [-82.97, 33.47], [-83.32, 33.32], [-83.35, 33.25], [-83.32, 33.18], [-83.25, 33.15], [-83.0, 33.25], [-82.47, 33.03], [-82.25, 32.5], [-82.47, 31.97], [-83.0, 31.75], [-83.25, 31.85], [-83.5, 31.75], [-84.03, 31.97], [-84.18, 32.32], [-84.3, 32.38], [-84.35, 32.25], [-84.25, 32.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.02999999999997, 33.03], [-86.5, 33.25], [-86.25, 33.15], [-86.0, 33.25], [-85.75, 33.15], [-85.5, 33.25], [-85.25, 33.15], [-85.0, 33.25], [-84.47000000000003, 33.03], [-84.25, 32.5], [-84.35000000000002, 32.25], [-84.25, 32.0], [-84.47000000000003, 31.47], [-85.0, 31.25], [-85.25, 31.35], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-87.02999999999997, 31.47], [-87.25, 32.0], [-87.14999999999998, 32.25], [-87.25, 32.5], [-87.02999999999997, 33.03]]], [[[-86.02999999999997, 35.53], [-85.68, 35.68], [-85.52999999999997, 36.03], [-85.0, 36.25], [-84.47000000000003, 36.03], [-84.25, 35.5], [-84.35000000000002, 35.25], [-84.25, 35.0], [-84.35000000000002, 34.75], [-84.25, 34.5], [-84.47000000000003, 33.97], [-85.0, 33.75], [-85.25, 33.85], [-85.5, 33.75], [-86.02999999999997, 33.97], [-86.25, 34.5], [-86.14999999999998, 34.75], [-86.25, 35.0], [-86.02999999999997, 35.53]]]]}, "2024-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.25, 32.5], [-87.02999999999997, 33.03], [-86.68, 33.18], [-86.64999999999998, 33.25], [-86.75, 33.5], [-86.64999999999998, 33.75], [-86.75, 34.0], [-86.64999999999998, 34.25], [-86.75, 34.5], [-86.64999999999998, 34.75], [-86.75, 35.0], [-86.52999999999997, 35.53], [-86.0, 35.75], [-85.75, 35.65], [-85.68, 35.68], [-85.52999999999997, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.68, 36.18], [-83.52999999999997, 36.53], [-83.0, 36.75], [-82.47000000000003, 36.53], [-82.25, 36.0], [-82.35000000000002, 35.75], [-82.25, 35.5], [-82.45999999999998, 35.0], [-82.25, 34.5], [-82.47000000000003, 33.97], [-82.82, 33.82], [-82.97000000000003, 33.47], [-83.32, 33.32], [-83.35000000000002, 33.25], [-83.32, 33.18], [-83.25, 33.15], [-83.0, 33.25], [-82.47000000000003, 33.03], [-82.25, 32.5], [-82.47000000000003, 31.97], [-83.0, 31.75], [-83.25, 31.85], [-83.5, 31.75], [-84.02999999999997, 31.97], [-84.18, 32.32], [-84.30000000000001, 32.38], [-84.35000000000002, 32.25], [-84.25, 32.0], [-84.47000000000003, 31.47], [-85.0, 31.25], [-85.25, 31.35], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-87.02999999999997, 31.47], [-87.25, 32.0], [-87.14999999999998, 32.25], [-87.25, 32.5]]]]}, "2024-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.25, 32.5], [-87.02999999999997, 33.03], [-86.68, 33.18], [-86.64999999999998, 33.25], [-86.75, 33.5], [-86.64999999999998, 33.75], [-86.75, 34.0], [-86.64999999999998, 34.25], [-86.75, 34.5], [-86.64999999999998, 34.75], [-86.75, 35.0], [-86.52999999999997, 35.53], [-86.0, 35.75], [-85.75, 35.65], [-85.68, 35.68], [-85.52999999999997, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.68, 36.18], [-83.52999999999997, 36.53], [-83.0, 36.75], [-82.47000000000003, 36.53], [-82.25, 36.0], [-82.35000000000002, 35.75], [-82.25, 35.5], [-82.45999999999998, 35.0], [-82.25, 34.5], [-82.47000000000003, 33.97], [-82.82, 33.82], [-82.97000000000003, 33.47], [-83.32, 33.32], [-83.35000000000002, 33.25], [-83.32, 33.18], [-83.25, 33.15], [-83.0, 33.25], [-82.47000000000003, 33.03], [-82.25, 32.5], [-82.47000000000003, 31.97], [-83.0, 31.75], [-83.25, 31.85], [-83.5, 31.75], [-84.02999999999997, 31.97], [-84.18, 32.32], [-84.30000000000001, 32.38], [-84.35000000000002, 32.25], [-84.25, 32.0], [-84.47000000000003, 31.47], [-85.0, 31.25], [-85.25, 31.35], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-87.02999999999997, 31.47], [-87.25, 32.0], [-87.14999999999998, 32.25], [-87.25, 32.5]]]]}, "2024-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 33.0], [-86.64999999999998, 33.25], [-86.75, 33.5], [-86.64999999999998, 33.75], [-86.75, 34.0], [-86.64999999999998, 34.25], [-86.75, 34.5], [-86.64999999999998, 34.75], [-86.75, 35.0], [-86.52999999999997, 35.53], [-86.0, 35.75], [-85.75, 35.65], [-85.68, 35.68], [-85.52999999999997, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.68, 36.18], [-83.52999999999997, 36.53], [-83.0, 36.75], [-82.47000000000003, 36.53], [-82.25, 36.0], [-82.35000000000002, 35.75], [-82.25, 35.5], [-82.45999999999998, 35.0], [-82.25, 34.5], [-82.47000000000003, 33.97], [-82.82, 33.82], [-82.97000000000003, 33.47], [-83.32, 33.32], [-83.35000000000002, 33.25], [-83.32, 33.18], [-83.25, 33.15], [-83.0, 33.25], [-82.47000000000003, 33.03], [-82.25, 32.5], [-82.47000000000003, 31.97], [-83.0, 31.75], [-83.25, 31.85], [-83.5, 31.75], [-84.02999999999997, 31.97], [-84.18, 32.32], [-84.30000000000001, 32.38], [-84.47000000000003, 31.97], [-85.0, 31.75], [-85.25, 31.85], [-85.5, 31.75], [-85.75, 31.85], [-86.0, 31.75], [-86.52999999999997, 31.97], [-86.75, 32.5], [-86.64999999999998, 32.75], [-86.75, 33.0]]]]}, "2024-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 35.0], [-86.52999999999997, 35.53], [-86.0, 35.75], [-85.75, 35.65], [-85.68, 35.68], [-85.52999999999997, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.68, 36.18], [-83.52999999999997, 36.53], [-83.0, 36.75], [-82.47000000000003, 36.53], [-82.25, 36.0], [-82.35000000000002, 35.75], [-82.25, 35.5], [-82.47000000000003, 34.97], [-83.0, 34.75], [-83.25, 34.85], [-83.5, 34.75], [-83.75, 34.85], [-83.82, 34.82], [-83.97000000000003, 34.47], [-84.32, 34.32], [-84.47000000000003, 33.97], [-85.0, 33.75], [-85.25, 33.85], [-85.5, 33.75], [-85.75, 33.85], [-86.0, 33.75], [-86.52999999999997, 33.97], [-86.75, 34.5], [-86.64999999999998, 34.75], [-86.75, 35.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.62940002001227}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.2377509002884897}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.544962072908675, 27.967986892620388, 27.856618081498084, 27.490876177701125, 26.15349387637673]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.201935605543156, 30.802834103793714, 30.86553090615206, 29.74234855302251, 28.525202209829843]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.049853262515044, 3.464097220964339, 3.3056719532823977, 3.1075449869378624, 2.845524622665275]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.8297780209658185, 4.6119201628027895, 4.513093524010685, 4.62940002001227, 3.5881789928503167]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5753084269771345, 1.7297979909383574, 1.6774076993293499, 1.5852851247780635, 1.4640259679695329]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9962366999779773, 2.3194365970191764, 2.257675403352537, 2.370375633559, 1.8625606688031093]}}