{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:23:51.049230", "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": "2021-Apr-06_to_2021-Apr-08_37.0_33.5"}, "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": 2021040001849}, "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 06 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 08 2021"}, "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": 54330.47774717776}, "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": ["Jordan", "Lebanon", "Saudi Arabia", "Syrian Arab Republic"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia", "Asia", "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": 33.5}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[35.47, 34.53], [36.0, 34.75], [36.25, 34.646], [36.5, 34.75], [36.75, 34.646], [36.823, 34.677], [36.854, 34.75], [36.75, 35.0], [36.97, 35.53], [37.5, 35.75], [38.03, 35.53], [38.25, 35.0], [38.146, 34.75], [38.25, 34.5], [38.125, 34.198], [38.25, 34.146], [38.5, 34.25], [39.03, 34.03], [39.25, 33.5], [39.03, 32.97], [38.677, 32.823], [38.53, 32.47], [38.177, 32.323], [38.146, 32.25], [38.25, 32.0], [38.146, 31.75], [38.25, 31.5], [38.03, 30.97], [37.5, 30.75], [37.25, 30.854], [37.0, 30.75], [36.47, 30.97], [36.25, 31.5], [36.354, 31.75], [36.25, 32.0], [36.354, 32.25], [36.323, 32.323], [35.97, 32.47], [35.823, 32.823], [35.47, 32.97], [35.25, 33.5], [35.354, 33.75], [35.25, 34.0], [35.47, 34.53]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-04-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[35.35355339059328, 33.75], [35.25, 34.0], [35.46966991411009, 34.53033008588991], [36.0, 34.75], [36.25, 34.64644660940672], [36.5, 34.75], [36.75, 34.64644660940672], [36.82322330470336, 34.67677669529664], [36.85355339059328, 34.75], [36.75, 35.0], [36.96966991411009, 35.53033008588991], [37.5, 35.75], [38.03033008588991, 35.53033008588991], [38.25, 35.0], [38.14644660940672, 34.75], [38.25, 34.5], [38.125, 34.19822330470336], [38.25, 34.14644660940672], [38.5, 34.25], [39.03033008588991, 34.03033008588991], [39.25, 33.5], [39.03033008588991, 32.96966991411009], [38.67677669529664, 32.82322330470336], [38.53033008588991, 32.46966991411009], [38.17677669529664, 32.32322330470336], [38.14644660940672, 32.25], [38.25, 32.0], [38.14644660940672, 31.75], [38.25, 31.5], [38.03033008588991, 30.96966991411009], [37.5, 30.75], [37.25, 30.853553390593273], [37.0, 30.75], [36.46966991411009, 30.96966991411009], [36.25, 31.5], [36.35355339059328, 31.75], [36.25, 32.0], [36.35355339059328, 32.25], [36.32322330470336, 32.32322330470336], [35.96966991411009, 32.46966991411009], [35.82322330470336, 32.82322330470336], [35.46966991411009, 32.96966991411009], [35.25, 33.5], [35.35355339059328, 33.75]]]}, "2021-04-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[35.35355339059328, 33.75], [35.25, 34.0], [35.46966991411009, 34.53033008588991], [36.0, 34.75], [36.25, 34.64644660940672], [36.5, 34.75], [36.75, 34.64644660940672], [36.82322330470336, 34.67677669529664], [36.85355339059328, 34.75], [36.75, 35.0], [36.96966991411009, 35.53033008588991], [37.5, 35.75], [38.03033008588991, 35.53033008588991], [38.25, 35.0], [38.14644660940672, 34.75], [38.25, 34.5], [38.125, 34.19822330470336], [38.25, 34.14644660940672], [38.5, 34.25], [39.03033008588991, 34.03033008588991], [39.25, 33.5], [39.03033008588991, 32.96966991411009], [38.67677669529664, 32.82322330470336], [38.53033008588991, 32.46966991411009], [38.17677669529664, 32.32322330470336], [38.14644660940672, 32.25], [38.25, 32.0], [38.14644660940672, 31.75], [38.25, 31.5], [38.03033008588991, 30.96966991411009], [37.5, 30.75], [37.25, 30.853553390593273], [37.0, 30.75], [36.46966991411009, 30.96966991411009], [36.25, 31.5], [36.35355339059328, 31.75], [36.25, 32.0], [36.35355339059328, 32.25], [36.32322330470336, 32.32322330470336], [35.96966991411009, 32.46966991411009], [35.82322330470336, 32.82322330470336], [35.46966991411009, 32.96966991411009], [35.25, 33.5], [35.35355339059328, 33.75]]]}, "2021-04-08T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[35.35355339059328, 33.75], [35.25, 34.0], [35.46966991411009, 34.53033008588991], [36.0, 34.75], [36.25, 34.64644660940672], [36.5, 34.75], [36.75, 34.64644660940672], [36.82322330470336, 34.67677669529664], [36.85355339059328, 34.75], [36.75, 35.0], [36.96966991411009, 35.53033008588991], [37.5, 35.75], [38.03033008588991, 35.53033008588991], [38.25, 35.0], [38.14644660940672, 34.75], [38.25, 34.5], [38.125, 34.19822330470336], [38.25, 34.14644660940672], [38.5, 34.25], [39.03033008588991, 34.03033008588991], [39.25, 33.5], [39.03033008588991, 32.96966991411009], [38.67677669529664, 32.82322330470336], [38.53033008588991, 32.46966991411009], [38.17677669529664, 32.32322330470336], [38.14644660940672, 32.25], [38.25, 32.0], [38.14644660940672, 31.75], [38.25, 31.5], [38.03033008588991, 30.96966991411009], [37.5, 30.75], [37.25, 30.853553390593273], [37.0, 30.75], [36.46966991411009, 30.96966991411009], [36.25, 31.5], [36.35355339059328, 31.75], [36.25, 32.0], [36.35355339059328, 32.25], [36.32322330470336, 32.32322330470336], [35.96966991411009, 32.46966991411009], [35.82322330470336, 32.82322330470336], [35.46966991411009, 32.96966991411009], [35.25, 33.5], [35.35355339059328, 33.75]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.221730792717494}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.944496248701237}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.940289129974474, 22.345507400726092, 21.537011485465655]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.833057718416285, 25.295398563384254, 24.066525119124833]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.27799826107847, 6.724169672759542, 5.831320812265701]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.322656481096942, 7.221730792717494, 6.734492157822899]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5311292386045792, 1.9510217982107527, 1.6578645163223211]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8163751841997604, 2.142692227655433, 1.9677119185044174]}}