{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:20.797020", "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": "2017-Jun-11_to_2017-Jun-20_57.0_23.5"}, "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": 2017060001950}, "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 11 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 20 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 83575.29074854006}, "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": ["Oman", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "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": 23.5}, "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": 57.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "57.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 53.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 59.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.97, 20.47], [53.75, 21.0], [53.97, 21.53], [54.5, 21.75], [54.75, 21.65], [54.82, 21.68], [54.97, 22.03], [55.5, 22.25], [55.75, 22.15], [55.82, 22.18], [55.97, 22.53], [56.32, 22.68], [56.35, 22.75], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.53, 24.03], [57.75, 23.5], [57.65, 23.25], [57.75, 23.0], [57.65, 22.75], [57.75, 22.5], [57.65, 22.25], [57.75, 22.0], [57.53, 21.47], [57.18, 21.32], [57.03, 20.97], [56.68, 20.82], [56.53, 20.47], [56.0, 20.25], [55.75, 20.35], [55.5, 20.25], [55.25, 20.35], [55.0, 20.25], [54.75, 20.35], [54.5, 20.25], [53.97, 20.47]]]]}, "2017-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.97, 19.53], [53.32, 19.68], [53.35, 19.75], [53.25, 20.0], [53.35, 20.25], [53.25, 20.5], [53.47, 21.03], [53.82, 21.18], [53.97, 21.53], [54.5, 21.75], [54.75, 21.65], [54.82, 21.68], [54.97, 22.03], [55.5, 22.25], [55.75, 22.15], [55.82, 22.18], [55.97, 22.53], [56.32, 22.68], [56.35, 22.75], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.53, 24.03], [57.68, 23.68], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [58.75, 23.65], [59.0, 23.75], [59.53, 23.53], [59.75, 23.0], [59.53, 22.47], [59.0, 22.25], [58.75, 22.35], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.75, 22.35], [57.68, 22.32], [57.65, 22.25], [57.75, 22.0], [57.53, 21.47], [57.18, 21.32], [57.03, 20.97], [56.68, 20.82], [56.53, 20.47], [56.0, 20.25], [55.75, 20.35], [55.5, 20.25], [55.25, 20.35], [55.13, 20.3], [55.25, 20.0], [55.13, 19.7], [55.53, 19.53], [55.75, 19.0], [55.53, 18.47], [55.0, 18.25], [54.75, 18.35], [54.68, 18.32], [54.53, 17.97], [54.0, 17.75], [53.75, 17.85], [53.5, 17.75], [52.97, 17.97], [52.75, 18.5], [52.85, 18.75], [52.75, 19.0], [52.97, 19.53]]]]}, "2017-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.97, 19.53], [53.32, 19.68], [53.35, 19.75], [53.25, 20.0], [53.35, 20.25], [53.25, 20.5], [53.47, 21.03], [53.82, 21.18], [53.97, 21.53], [54.5, 21.75], [54.75, 21.65], [54.82, 21.68], [54.97, 22.03], [55.5, 22.25], [55.75, 22.15], [55.82, 22.18], [55.97, 22.53], [56.32, 22.68], [56.35, 22.75], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.53, 24.03], [57.68, 23.68], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [58.75, 23.65], [59.0, 23.75], [59.53, 23.53], [59.75, 23.0], [59.53, 22.47], [59.0, 22.25], [58.75, 22.35], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.75, 22.35], [57.68, 22.32], [57.65, 22.25], [57.75, 22.0], [57.53, 21.47], [57.18, 21.32], [57.03, 20.97], [56.68, 20.82], [56.53, 20.47], [56.0, 20.25], [55.75, 20.35], [55.5, 20.25], [55.25, 20.35], [55.13, 20.3], [55.25, 20.0], [55.15, 19.75], [55.18, 19.68], [55.53, 19.53], [55.75, 19.0], [55.53, 18.47], [55.0, 18.25], [54.75, 18.35], [54.68, 18.32], [54.53, 17.97], [54.0, 17.75], [53.75, 17.85], [53.5, 17.75], [52.97, 17.97], [52.75, 18.5], [52.85, 18.75], [52.75, 19.0], [52.97, 19.53]]]]}, "2017-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.32, 19.68], [53.35, 19.75], [53.25, 20.0], [53.35, 20.25], [53.25, 20.5], [53.47, 21.03], [54.0, 21.25], [54.53, 21.03], [54.68, 20.68], [55.03, 20.53], [55.25, 20.0], [55.15, 19.75], [55.18, 19.68], [55.53, 19.53], [55.75, 19.0], [55.53, 18.47], [55.0, 18.25], [54.75, 18.35], [54.68, 18.32], [54.53, 17.97], [54.0, 17.75], [53.75, 17.85], [53.5, 17.75], [52.97, 17.97], [52.75, 18.5], [52.85, 18.75], [52.75, 19.0], [52.97, 19.53], [53.32, 19.68]]], [[[55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [58.75, 23.65], [59.0, 23.75], [59.53, 23.53], [59.75, 23.0], [59.53, 22.47], [59.0, 22.25], [58.75, 22.35], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.75, 22.35], [57.5, 22.25], [57.25, 22.35], [57.0, 22.25], [56.47, 22.47], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03]]]]}, "2017-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.97, 20.03], [54.5, 20.25], [55.03, 20.03], [55.18, 19.68], [55.53, 19.53], [55.75, 19.0], [55.53, 18.47], [55.0, 18.25], [54.75, 18.35], [54.5, 18.25], [54.2, 18.38], [54.03, 17.97], [53.5, 17.75], [52.97, 17.97], [52.75, 18.5], [52.97, 19.03], [53.5, 19.25], [53.8, 19.13], [53.85, 19.25], [53.75, 19.5], [53.97, 20.03]]], [[[55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.25, 23.5], [57.03, 22.97], [56.5, 22.75], [55.97, 22.97]]]]}, "2017-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.0, 24.25], [57.53, 24.03], [57.75, 23.5], [57.53, 22.97], [57.0, 22.75], [56.47, 22.97], [56.25, 23.5], [56.47, 24.03], [57.0, 24.25]]]]}, "2017-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.47, 22.97], [56.25, 23.5], [56.47, 24.03], [57.0, 24.25], [57.5, 24.04], [58.0, 24.25], [58.53, 24.03], [58.75, 23.5], [58.53, 22.97], [58.0, 22.75], [57.5, 22.96], [57.0, 22.75], [56.47, 22.97]]]]}, "2017-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.25, 23.5], [56.47, 24.03], [57.0, 24.25], [57.5, 24.04], [58.0, 24.25], [58.53, 24.03], [58.75, 23.5], [58.53, 22.97], [58.18, 22.82], [58.03, 22.47], [57.5, 22.25], [56.97, 22.47], [56.82, 22.82], [56.47, 22.97], [56.25, 23.5]]]]}, "2017-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.25, 23.5], [56.47, 24.03], [57.0, 24.25], [57.5, 24.04], [58.0, 24.25], [58.53, 24.03], [58.75, 23.5], [58.53, 22.97], [58.18, 22.82], [58.03, 22.47], [57.5, 22.25], [56.97, 22.47], [56.82, 22.82], [56.47, 22.97], [56.25, 23.5]]]]}, "2017-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.5, 23.75], [58.03, 23.53], [58.25, 23.0], [58.03, 22.47], [57.5, 22.25], [56.97, 22.47], [56.75, 23.0], [56.97, 23.53], [57.5, 23.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.880494450013259}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7207707227769493}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.58557506553694, 38.20310130468869, 38.307912028170165, 37.85921301093481, 37.40339215468839, 36.52967785007661, 38.16806021905899, 37.1094428814103, 37.379271688747224, 36.26710310762462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.81602131464609, 40.09464462535658, 39.752751304704816, 38.99099046788268, 37.911031055167655, 36.52967785007661, 38.85898889335721, 37.473350468469334, 37.44167345153994, 36.26710310762462]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5317290700349724, 2.712691763809491, 2.8137140844101816, 2.82693044057269, 2.3369022179939747, 2.2979946510482137, 3.465268159035645, 2.5704551412749197, 2.7995504151281616, 2.0570461628645944]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.347148018636858, 3.553151802953437, 3.880494450013259, 3.5394777521736955, 2.5018030348140314, 2.2979946510482137, 3.7248101628270547, 3.1884894977424665, 3.1563381747675976, 2.0570461628645944]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4277621217723988, 1.4938250209732027, 1.5380113295353433, 1.5532155478765872, 1.2926730908811574, 1.287877258627574, 2.2305094071874643, 1.6140652051684323, 1.7453020505405463, 1.3227011910438002]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8638472078941442, 1.955742086738718, 1.9499948861953473, 1.9099166586070777, 1.365089341333519, 1.287877258627574, 2.540195137649322, 1.9271861577964444, 2.043545827812683, 1.3227011910438002]}}