{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:36.475938", "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": "2019-Apr-18_to_2019-Apr-22_58.5_30.0"}, "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": 2019040002148}, "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": "April 18 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 22 2019"}, "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": 58684.83969577728}, "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": ["Iran"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 30.0}, "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": 58.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "58.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 56.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 59.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.35, 31.25], [56.25, 31.5], [56.47, 32.03], [57.0, 32.25], [57.5, 32.04], [58.0, 32.25], [58.25, 32.15], [58.5, 32.25], [59.03, 32.03], [59.25, 31.5], [59.15, 31.25], [59.25, 31.0], [59.15, 30.75], [59.25, 30.5], [59.15, 30.25], [59.25, 30.0], [59.03, 29.47], [58.68, 29.32], [58.53, 28.97], [58.0, 28.75], [57.75, 28.85], [57.5, 28.75], [56.97, 28.97], [56.75, 29.5], [56.88, 29.8], [56.47, 29.97], [56.25, 30.5], [56.35, 30.75], [56.25, 31.0], [56.35, 31.25]]]]}, "2019-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.35, 31.25], [56.25, 31.5], [56.47, 32.03], [57.0, 32.25], [57.5, 32.04], [58.0, 32.25], [58.25, 32.15], [58.5, 32.25], [59.03, 32.03], [59.25, 31.5], [59.15, 31.25], [59.2, 31.13], [59.5, 31.25], [60.03, 31.03], [60.25, 30.5], [60.15, 30.25], [60.25, 30.0], [60.15, 29.75], [60.25, 29.5], [60.03, 28.97], [59.5, 28.75], [59.25, 28.85], [59.18, 28.82], [59.03, 28.47], [58.5, 28.25], [57.97, 28.47], [57.82, 28.82], [57.75, 28.85], [57.5, 28.75], [56.97, 28.97], [56.75, 29.5], [56.88, 29.8], [56.47, 29.97], [56.25, 30.5], [56.35, 30.75], [56.25, 31.0], [56.35, 31.25]]]]}, "2019-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.35, 31.25], [56.25, 31.5], [56.47, 32.03], [57.0, 32.25], [57.5, 32.04], [58.0, 32.25], [58.25, 32.15], [58.5, 32.25], [59.03, 32.03], [59.25, 31.5], [59.15, 31.25], [59.2, 31.13], [59.5, 31.25], [60.03, 31.03], [60.25, 30.5], [60.15, 30.25], [60.25, 30.0], [60.15, 29.75], [60.25, 29.5], [60.03, 28.97], [59.5, 28.75], [59.25, 28.85], [59.18, 28.82], [59.03, 28.47], [58.5, 28.25], [57.97, 28.47], [57.82, 28.82], [57.75, 28.85], [57.5, 28.75], [56.97, 28.97], [56.75, 29.5], [56.88, 29.8], [56.47, 29.97], [56.25, 30.5], [56.35, 30.75], [56.25, 31.0], [56.35, 31.25]]]]}, "2019-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.97, 31.03], [57.5, 31.25], [57.75, 31.15], [58.0, 31.25], [58.25, 31.15], [58.5, 31.25], [59.0, 31.04], [59.5, 31.25], [60.03, 31.03], [60.25, 30.5], [60.15, 30.25], [60.25, 30.0], [60.15, 29.75], [60.25, 29.5], [60.03, 28.97], [59.5, 28.75], [59.25, 28.85], [59.18, 28.82], [59.03, 28.47], [58.5, 28.25], [57.97, 28.47], [57.82, 28.82], [57.75, 28.85], [57.5, 28.75], [56.97, 28.97], [56.75, 29.5], [56.96, 30.0], [56.75, 30.5], [56.97, 31.03]]]]}, "2019-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.85, 30.25], [57.75, 30.5], [57.97, 31.03], [58.5, 31.25], [59.03, 31.03], [59.18, 30.68], [59.53, 30.53], [59.75, 30.0], [59.65, 29.75], [59.75, 29.5], [59.53, 28.97], [59.0, 28.75], [58.75, 28.85], [58.5, 28.75], [57.97, 28.97], [57.75, 29.5], [57.85, 29.75], [57.75, 30.0], [57.85, 30.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.007614272755347}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.589002487591144}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.81713962357503, 30.597263036036225, 31.078838234089403, 30.78434400190673, 34.08425061943609]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.48787327310737, 35.494364671296466, 35.84277732054795, 34.62141869295232, 35.243967009087214]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.407895845314924, 4.773501690384026, 5.034592237706991, 4.020494888800779, 3.8380507784763496]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.099271873505188, 5.753415664982867, 6.007614272755347, 4.944487275288566, 4.501698339793052]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3786821084869552, 1.5368762197088452, 1.6430493072156465, 1.3550284650321365, 1.2928658517576626]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5427932078367277, 1.7725054508401934, 1.944226493457776, 1.696264610392654, 1.548207413824589]}}