{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:17.859401", "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": "2012-Apr-28_to_2012-May-05_47.5_32.5"}, "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": 2012040002748}, "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 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 05 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 209916.8322650806}, "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", "Iraq", "Turkiye"]}, "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": 32.5}, "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": 47.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.47, 33.97], [41.25, 34.5], [41.47, 35.03], [42.0, 35.25], [42.53, 35.03], [42.75, 34.5], [42.53, 33.97], [42.0, 33.75], [41.47, 33.97]]], [[[40.97, 37.47], [40.75, 38.0], [40.97, 38.53], [41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.03, 37.47], [41.5, 37.25], [40.97, 37.47]]]]}, "2012-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.97, 31.97], [46.75, 32.5], [46.97, 33.03], [47.5, 33.25], [48.03, 33.03], [48.25, 32.5], [48.03, 31.97], [47.5, 31.75], [46.97, 31.97]]], [[[42.25, 36.0], [42.47, 36.53], [43.0, 36.75], [43.25, 36.65], [43.5, 36.75], [43.75, 36.65], [44.0, 36.75], [44.53, 36.53], [44.75, 36.0], [44.65, 35.75], [44.75, 35.5], [44.65, 35.25], [44.68, 35.18], [44.75, 35.15], [45.0, 35.25], [45.53, 35.03], [45.75, 34.5], [45.53, 33.97], [45.0, 33.75], [44.75, 33.85], [44.5, 33.75], [44.25, 33.85], [44.0, 33.75], [43.47, 33.97], [43.32, 34.32], [43.0, 34.46], [42.68, 34.32], [42.53, 33.97], [42.0, 33.75], [41.47, 33.97], [41.25, 34.5], [41.47, 35.03], [41.82, 35.18], [41.97, 35.53], [42.32, 35.68], [42.35, 35.75], [42.25, 36.0]]], [[[40.75, 38.0], [40.97, 38.53], [41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.03, 37.47], [41.5, 37.25], [40.97, 37.47], [40.75, 38.0]]]]}, "2012-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.97, 31.97], [46.75, 32.5], [46.97, 33.03], [47.5, 33.25], [48.03, 33.03], [48.25, 32.5], [48.03, 31.97], [47.5, 31.75], [46.97, 31.97]]], [[[42.25, 36.0], [42.47, 36.53], [43.0, 36.75], [43.25, 36.65], [43.5, 36.75], [43.75, 36.65], [44.0, 36.75], [43.47, 36.97], [43.32, 37.32], [43.25, 37.35], [43.0, 37.25], [42.47, 37.47], [42.25, 38.0], [42.47, 38.53], [43.0, 38.75], [43.25, 38.65], [43.5, 38.75], [43.75, 38.65], [44.0, 38.75], [44.53, 38.53], [44.75, 38.0], [44.65, 37.75], [44.7, 37.63], [45.0, 37.75], [45.53, 37.53], [45.68, 37.18], [46.03, 37.03], [46.18, 36.68], [46.25, 36.65], [46.5, 36.75], [46.75, 36.65], [47.0, 36.75], [47.53, 36.53], [47.75, 36.0], [47.65, 35.75], [47.75, 35.5], [47.53, 34.97], [47.0, 34.75], [46.5, 34.96], [46.18, 34.82], [46.15, 34.75], [46.25, 34.5], [46.03, 33.97], [45.5, 33.75], [45.25, 33.85], [45.0, 33.75], [44.75, 33.85], [44.5, 33.75], [44.25, 33.85], [44.0, 33.75], [43.47, 33.97], [43.32, 34.32], [43.0, 34.46], [42.68, 34.32], [42.53, 33.97], [42.0, 33.75], [41.47, 33.97], [41.25, 34.5], [41.47, 35.03], [41.82, 35.18], [41.97, 35.53], [42.32, 35.68], [42.35, 35.75], [42.25, 36.0]], [[44.25, 36.65], [44.38, 36.7], [44.3, 36.88], [44.0, 36.75], [44.25, 36.65]], [[45.32, 35.82], [45.2, 35.88], [45.15, 35.75], [45.18, 35.68], [45.25, 35.65], [45.32, 35.68], [45.35, 35.75], [45.32, 35.82]]], [[[40.75, 38.0], [40.97, 38.53], [41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.03, 37.47], [41.5, 37.25], [40.97, 37.47], [40.75, 38.0]]]]}, "2012-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 37.47], [40.25, 38.0], [40.47, 38.53], [41.0, 38.75], [41.25, 38.65], [41.5, 38.75], [41.75, 38.65], [42.0, 38.75], [42.25, 38.65], [42.5, 38.75], [42.75, 38.65], [43.0, 38.75], [43.25, 38.65], [43.32, 38.68], [43.35, 38.75], [43.32, 38.82], [42.97, 38.97], [42.75, 39.5], [42.97, 40.03], [43.32, 40.18], [43.47, 40.53], [44.0, 40.75], [44.53, 40.53], [44.75, 40.0], [44.65, 39.75], [44.75, 39.5], [44.65, 39.25], [44.75, 39.0], [44.65, 38.75], [44.75, 38.5], [44.65, 38.25], [44.75, 38.0], [44.65, 37.75], [44.68, 37.68], [44.75, 37.65], [45.0, 37.75], [45.25, 37.65], [45.5, 37.75], [46.03, 37.53], [46.25, 37.0], [46.15, 36.75], [46.18, 36.68], [46.25, 36.65], [46.5, 36.75], [46.75, 36.65], [47.0, 36.75], [47.53, 36.53], [47.75, 36.0], [47.65, 35.75], [47.75, 35.5], [47.53, 34.97], [47.0, 34.75], [46.5, 34.96], [46.18, 34.82], [46.15, 34.75], [46.25, 34.5], [46.15, 34.25], [46.25, 34.0], [46.13, 33.7], [46.53, 33.53], [46.68, 33.18], [46.75, 33.15], [47.0, 33.25], [47.25, 33.15], [47.5, 33.25], [47.75, 33.15], [48.0, 33.25], [48.53, 33.03], [48.68, 32.68], [49.03, 32.53], [49.25, 32.0], [49.03, 31.47], [48.5, 31.25], [48.25, 31.35], [48.0, 31.25], [47.75, 31.35], [47.5, 31.25], [47.25, 31.35], [47.0, 31.25], [46.47, 31.47], [46.32, 31.82], [46.25, 31.85], [46.0, 31.75], [45.75, 31.85], [45.5, 31.75], [45.25, 31.85], [45.0, 31.75], [44.47, 31.97], [44.3, 32.38], [44.0, 32.25], [43.47, 32.47], [43.25, 33.0], [43.35, 33.25], [43.25, 33.5], [43.35, 33.75], [43.25, 34.0], [43.35, 34.25], [43.32, 34.32], [43.0, 34.46], [42.68, 34.32], [42.53, 33.97], [42.0, 33.75], [41.47, 33.97], [41.25, 34.5], [41.47, 35.03], [41.82, 35.18], [41.97, 35.53], [42.32, 35.68], [42.35, 35.75], [42.32, 35.82], [41.97, 35.97], [41.75, 36.5], [41.85, 36.75], [41.82, 36.82], [41.47, 36.97], [41.32, 37.32], [41.25, 37.35], [41.0, 37.25], [40.47, 37.47]], [[45.32, 35.68], [45.35, 35.75], [45.32, 35.82], [45.2, 35.88], [45.15, 35.75], [45.18, 35.68], [45.25, 35.65], [45.32, 35.68]]]]}, "2012-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 37.47], [40.25, 38.0], [40.47, 38.53], [41.0, 38.75], [41.25, 38.65], [41.5, 38.75], [41.75, 38.65], [42.0, 38.75], [42.25, 38.65], [42.5, 38.75], [42.75, 38.65], [43.0, 38.75], [43.25, 38.65], [43.32, 38.68], [43.35, 38.75], [43.32, 38.82], [42.97, 38.97], [42.75, 39.5], [42.97, 40.03], [43.32, 40.18], [43.47, 40.53], [44.0, 40.75], [44.53, 40.53], [44.75, 40.0], [44.65, 39.75], [44.75, 39.5], [44.65, 39.25], [44.75, 39.0], [44.65, 38.75], [44.75, 38.5], [44.65, 38.25], [44.75, 38.0], [44.65, 37.75], [44.68, 37.68], [44.75, 37.65], [45.0, 37.75], [45.25, 37.65], [45.5, 37.75], [46.03, 37.53], [46.25, 37.0], [46.15, 36.75], [46.18, 36.68], [46.25, 36.65], [46.5, 36.75], [46.75, 36.65], [47.0, 36.75], [47.53, 36.53], [47.75, 36.0], [47.65, 35.75], [47.75, 35.5], [47.53, 34.97], [47.0, 34.75], [46.5, 34.96], [46.18, 34.82], [46.15, 34.75], [46.25, 34.5], [46.15, 34.25], [46.25, 34.0], [46.13, 33.7], [46.53, 33.53], [46.68, 33.18], [46.75, 33.15], [47.0, 33.25], [47.25, 33.15], [47.32, 33.18], [47.35, 33.25], [47.25, 33.5], [47.47, 34.03], [48.0, 34.25], [48.53, 34.03], [48.68, 33.68], [49.03, 33.53], [49.25, 33.0], [49.15, 32.75], [49.18, 32.68], [49.53, 32.53], [49.68, 32.18], [50.03, 32.03], [50.25, 31.5], [50.03, 30.97], [49.5, 30.75], [49.25, 30.85], [49.0, 30.75], [48.75, 30.85], [48.68, 30.82], [48.53, 30.47], [48.0, 30.25], [47.47, 30.47], [47.32, 30.82], [46.97, 30.97], [46.82, 31.32], [46.47, 31.47], [46.32, 31.82], [46.25, 31.85], [46.0, 31.75], [45.75, 31.85], [45.5, 31.75], [45.25, 31.85], [45.0, 31.75], [44.47, 31.97], [44.3, 32.38], [44.0, 32.25], [43.47, 32.47], [43.25, 33.0], [43.35, 33.25], [43.25, 33.5], [43.35, 33.75], [43.25, 34.0], [43.35, 34.25], [43.32, 34.32], [43.0, 34.46], [42.68, 34.32], [42.53, 33.97], [42.0, 33.75], [41.47, 33.97], [41.25, 34.5], [41.47, 35.03], [41.82, 35.18], [41.97, 35.53], [42.32, 35.68], [42.35, 35.75], [42.32, 35.82], [41.97, 35.97], [41.75, 36.5], [41.85, 36.75], [41.82, 36.82], [41.47, 36.97], [41.32, 37.32], [41.25, 37.35], [41.0, 37.25], [40.47, 37.47]], [[45.32, 35.68], [45.35, 35.75], [45.32, 35.82], [45.2, 35.88], [45.15, 35.75], [45.18, 35.68], [45.25, 35.65], [45.32, 35.68]]]]}, "2012-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.25, 34.0], [43.47, 34.53], [44.0, 34.75], [44.25, 34.65], [44.5, 34.75], [44.75, 34.65], [45.0, 34.75], [45.25, 34.65], [45.5, 34.75], [46.03, 34.53], [46.25, 34.0], [46.13, 33.7], [46.53, 33.53], [46.68, 33.18], [46.75, 33.15], [47.0, 33.25], [47.25, 33.15], [47.32, 33.18], [47.35, 33.25], [47.25, 33.5], [47.47, 34.03], [48.0, 34.25], [48.53, 34.03], [48.68, 33.68], [49.03, 33.53], [49.25, 33.0], [49.15, 32.75], [49.18, 32.68], [49.53, 32.53], [49.68, 32.18], [50.03, 32.03], [50.25, 31.5], [50.03, 30.97], [49.5, 30.75], [49.25, 30.85], [49.0, 30.75], [48.75, 30.85], [48.68, 30.82], [48.53, 30.47], [48.0, 30.25], [47.47, 30.47], [47.32, 30.82], [46.97, 30.97], [46.82, 31.32], [46.47, 31.47], [46.32, 31.82], [46.25, 31.85], [46.0, 31.75], [45.75, 31.85], [45.5, 31.75], [45.25, 31.85], [45.0, 31.75], [44.47, 31.97], [44.3, 32.38], [44.0, 32.25], [43.47, 32.47], [43.25, 33.0], [43.35, 33.25], [43.25, 33.5], [43.35, 33.75], [43.25, 34.0]]], [[[40.25, 38.0], [40.47, 38.53], [41.0, 38.75], [41.25, 38.65], [41.5, 38.75], [41.75, 38.65], [42.0, 38.75], [42.25, 38.65], [42.5, 38.75], [42.75, 38.65], [43.0, 38.75], [43.25, 38.65], [43.32, 38.68], [43.35, 38.75], [43.32, 38.82], [42.97, 38.97], [42.75, 39.5], [42.97, 40.03], [43.32, 40.18], [43.47, 40.53], [44.0, 40.75], [44.53, 40.53], [44.75, 40.0], [44.65, 39.75], [44.75, 39.5], [44.65, 39.25], [44.75, 39.0], [44.65, 38.75], [44.75, 38.5], [44.65, 38.25], [44.75, 38.0], [44.65, 37.75], [44.68, 37.68], [44.75, 37.65], [45.0, 37.75], [45.25, 37.65], [45.5, 37.75], [46.03, 37.53], [46.25, 37.0], [46.03, 36.47], [45.5, 36.25], [45.25, 36.35], [45.0, 36.25], [44.75, 36.35], [44.68, 36.32], [44.65, 36.25], [44.75, 36.0], [44.53, 35.47], [44.18, 35.32], [44.03, 34.97], [43.5, 34.75], [42.97, 34.97], [42.82, 35.32], [42.47, 35.47], [42.32, 35.82], [41.97, 35.97], [41.75, 36.5], [41.85, 36.75], [41.82, 36.82], [41.47, 36.97], [41.32, 37.32], [41.25, 37.35], [41.0, 37.25], [40.47, 37.47], [40.25, 38.0]]]]}, "2012-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.47, 33.03], [47.0, 33.25], [47.25, 33.15], [47.32, 33.18], [47.35, 33.25], [47.25, 33.5], [47.47, 34.03], [48.0, 34.25], [48.53, 34.03], [48.68, 33.68], [49.03, 33.53], [49.25, 33.0], [49.15, 32.75], [49.18, 32.68], [49.53, 32.53], [49.68, 32.18], [50.03, 32.03], [50.25, 31.5], [50.03, 30.97], [49.5, 30.75], [49.25, 30.85], [49.0, 30.75], [48.75, 30.85], [48.68, 30.82], [48.53, 30.47], [48.0, 30.25], [47.47, 30.47], [47.32, 30.82], [46.97, 30.97], [46.82, 31.32], [46.47, 31.47], [46.25, 32.0], [46.35, 32.25], [46.25, 32.5], [46.47, 33.03]]]]}, "2012-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.47, 33.03], [47.0, 33.25], [47.25, 33.15], [47.5, 33.25], [47.75, 33.15], [48.0, 33.25], [48.25, 33.15], [48.5, 33.25], [49.03, 33.03], [49.18, 32.68], [49.53, 32.53], [49.75, 32.0], [49.53, 31.47], [49.0, 31.25], [48.75, 31.35], [48.5, 31.25], [48.25, 31.35], [48.0, 31.25], [47.75, 31.35], [47.5, 31.25], [47.25, 31.35], [47.0, 31.25], [46.47, 31.47], [46.25, 32.0], [46.35, 32.25], [46.25, 32.5], [46.47, 33.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.901179385374121}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.436887252063935}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.63489713456505, 28.228553022433232, 22.79802285027199, 24.18505409359011, 26.49235206644238, 25.59979381401888, 31.603765512962013, 32.65605329562129]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.986449508617, 30.665771442649884, 30.617948028102035, 33.08359931210731, 35.423335449667945, 34.87249746712797, 34.49258150658335, 34.166158998411504]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6666936141112956, 4.338495899819236, 3.8931018799937878, 3.9235154536340553, 5.332344561593337, 4.294595520917369, 4.226012605878736, 3.9563353880918157]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.091121958838983, 5.058659431374565, 4.788094626108716, 5.200561579666612, 6.901179385374121, 5.904261089114016, 5.717357664304586, 4.298565265756281]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2995902036885973, 1.4163401043612718, 1.3797200539058956, 1.414591717814159, 1.933995813526288, 1.5717486638185594, 1.574536175841444, 1.3825870740736248]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.340389934670741, 1.5493464014562364, 1.5763674319853902, 1.8505139946632578, 2.3332770173769823, 2.0851237316899454, 2.0741614234289143, 1.4856352130359947]}}