{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:11.883351", "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": "2016-Aug-30_to_2016-Sep-07_55.5_25.0"}, "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": 2016080003132}, "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": "August 30 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 73225.6363057124}, "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", "Oman", "United Arab Emirates"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "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": ["Gulf of Oman", "Persian Gulf"]}, "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": 25.0}, "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": 55.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 55.25}, "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": 21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.75, 22.0], [57.97, 22.53], [58.5, 22.75], [58.75, 22.65], [59.0, 22.75], [59.53, 22.53], [59.75, 22.0], [59.53, 21.47], [59.0, 21.25], [58.75, 21.35], [58.5, 21.25], [57.97, 21.47], [57.75, 22.0]]], [[[56.0, 25.75], [56.3, 25.63], [56.35, 25.75], [56.32, 25.82], [55.97, 25.97], [55.75, 26.5], [55.97, 27.03], [56.5, 27.25], [56.75, 27.15], [57.0, 27.25], [57.25, 27.15], [57.5, 27.25], [58.03, 27.03], [58.25, 26.5], [58.03, 25.97], [57.68, 25.82], [57.65, 25.75], [57.75, 25.5], [57.65, 25.25], [57.7, 25.13], [58.0, 25.25], [58.25, 25.15], [58.32, 25.18], [58.47, 25.53], [59.0, 25.75], [59.53, 25.53], [59.75, 25.0], [59.53, 24.47], [59.18, 24.32], [59.15, 24.25], [59.25, 24.0], [59.03, 23.47], [58.68, 23.32], [58.53, 22.97], [58.0, 22.75], [57.75, 22.85], [57.5, 22.75], [57.25, 22.85], [57.0, 22.75], [56.47, 22.97], [56.32, 23.32], [55.97, 23.47], [55.82, 23.82], [55.47, 23.97], [55.25, 24.5], [55.35, 24.75], [55.25, 25.0], [55.47, 25.53], [56.0, 25.75]]]]}, "2016-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, 25.53], [56.0, 25.75], [56.3, 25.63], [56.35, 25.75], [56.32, 25.82], [55.97, 25.97], [55.75, 26.5], [55.97, 27.03], [56.5, 27.25], [56.75, 27.15], [57.0, 27.25], [57.25, 27.15], [57.5, 27.25], [58.03, 27.03], [58.25, 26.5], [58.03, 25.97], [57.68, 25.82], [57.65, 25.75], [57.75, 25.5], [57.65, 25.25], [57.7, 25.13], [58.0, 25.25], [58.25, 25.15], [58.32, 25.18], [58.47, 25.53], [59.0, 25.75], [59.53, 25.53], [59.75, 25.0], [59.53, 24.47], [59.18, 24.32], [59.15, 24.25], [59.25, 24.0], [59.13, 23.7], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.03, 21.97], [59.68, 21.82], [59.53, 21.47], [59.0, 21.25], [58.75, 21.35], [58.5, 21.25], [57.97, 21.47], [57.75, 22.0], [57.96, 22.5], [57.82, 22.82], [57.75, 22.85], [57.5, 22.75], [57.25, 22.85], [57.0, 22.75], [56.75, 22.85], [56.5, 22.75], [55.97, 22.97], [55.75, 23.5], [55.85, 23.75], [55.82, 23.82], [55.47, 23.97], [55.25, 24.5], [55.35, 24.75], [55.25, 25.0], [55.47, 25.53]]]]}, "2016-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, 25.53], [56.0, 25.75], [56.3, 25.63], [56.35, 25.75], [56.32, 25.82], [55.97, 25.97], [55.75, 26.5], [55.97, 27.03], [56.5, 27.25], [56.75, 27.15], [57.0, 27.25], [57.25, 27.15], [57.5, 27.25], [58.03, 27.03], [58.25, 26.5], [58.03, 25.97], [57.68, 25.82], [57.65, 25.75], [57.75, 25.5], [57.65, 25.25], [57.7, 25.13], [58.0, 25.25], [58.25, 25.15], [58.32, 25.18], [58.47, 25.53], [59.0, 25.75], [59.53, 25.53], [59.75, 25.0], [59.53, 24.47], [59.18, 24.32], [59.15, 24.25], [59.25, 24.0], [59.13, 23.7], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.03, 21.97], [59.68, 21.82], [59.53, 21.47], [59.0, 21.25], [58.75, 21.35], [58.5, 21.25], [57.97, 21.47], [57.75, 22.0], [57.96, 22.5], [57.82, 22.82], [57.75, 22.85], [57.5, 22.75], [57.25, 22.85], [57.0, 22.75], [56.75, 22.85], [56.5, 22.75], [55.97, 22.97], [55.75, 23.5], [55.85, 23.75], [55.82, 23.82], [55.47, 23.97], [55.25, 24.5], [55.35, 24.75], [55.25, 25.0], [55.47, 25.53]]]]}, "2016-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.75, 23.0], [57.97, 23.53], [58.5, 23.75], [58.75, 23.65], [59.0, 23.75], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.03, 21.97], [59.5, 21.75], [58.97, 21.97], [58.82, 22.32], [58.75, 22.35], [58.5, 22.25], [57.97, 22.47], [57.75, 23.0]]], [[[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], [55.75, 23.5]]], [[[54.75, 25.0], [54.97, 25.53], [55.5, 25.75], [56.03, 25.53], [56.25, 25.0], [56.03, 24.47], [55.5, 24.25], [54.97, 24.47], [54.75, 25.0]]]]}, "2016-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 22.47], [57.75, 23.0], [57.97, 23.53], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.5, 22.25], [57.97, 22.47]]], [[[54.97, 25.53], [55.5, 25.75], [56.03, 25.53], [56.25, 25.0], [56.13, 24.7], [56.53, 24.53], [56.68, 24.18], [57.03, 24.03], [57.25, 23.5], [57.03, 22.97], [56.5, 22.75], [55.97, 22.97], [55.82, 23.32], [55.47, 23.47], [55.25, 24.0], [55.38, 24.3], [54.97, 24.47], [54.75, 25.0], [54.97, 25.53]]]]}, "2016-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.75, 25.0], [54.97, 25.53], [55.5, 25.75], [56.03, 25.53], [56.25, 25.0], [56.13, 24.7], [56.53, 24.53], [56.68, 24.18], [57.03, 24.03], [57.25, 23.5], [57.03, 22.97], [56.5, 22.75], [55.97, 22.97], [55.82, 23.32], [55.47, 23.47], [55.25, 24.0], [55.38, 24.3], [54.97, 24.47], [54.75, 25.0]]]]}, "2016-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.75, 25.0], [54.97, 25.53], [55.5, 25.75], [56.03, 25.53], [56.25, 25.0], [56.13, 24.7], [56.53, 24.53], [56.75, 24.0], [56.53, 23.47], [56.0, 23.25], [55.47, 23.47], [55.25, 24.0], [55.38, 24.3], [54.97, 24.47], [54.75, 25.0]]]]}, "2016-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.5, 25.75], [56.03, 25.53], [56.25, 25.0], [56.03, 24.47], [55.5, 24.25], [54.97, 24.47], [54.75, 25.0], [54.97, 25.53], [55.5, 25.75]]]]}, "2016-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.5, 25.75], [56.03, 25.53], [56.25, 25.0], [56.03, 24.47], [55.5, 24.25], [54.97, 24.47], [54.75, 25.0], [54.97, 25.53], [55.5, 25.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.114053488749903}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.341454940152486}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.559474357417685, 33.892261406510954, 33.484849011489075, 34.413974740378535, 36.03145245096175, 36.763965651911064, 36.282860138029434, 36.38839340877638, 36.15222571003659]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.00203528025162, 36.31499611956315, 36.61030098163883, 36.75457009139154, 37.4923439723064, 37.41036909664916, 36.483794484820976, 36.38839340877638, 36.15222571003659]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.301091564133631, 2.585573554217101, 2.1653243521950762, 2.156717594862232, 2.4592252421945204, 2.6694532127766784, 2.0172538906851116, 2.0447585997682722, 1.9307189736861687]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.114053488749903, 3.03547624048349, 3.0318873634824968, 2.5073320570318742, 2.679598749590582, 2.95829871986507, 2.076000619547358, 2.0447585997682722, 1.9307189736861687]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8386254773469806, 2.042611250960394, 1.590224142193171, 1.4307447542485414, 1.603499136884859, 1.7653074182770647, 1.4005260275997093, 1.560730046044009, 1.499976570429]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.794861896879408, 2.765803873706354, 2.079039975182612, 1.6602572766628916, 1.9607911707135524, 2.0247227572167725, 1.4868272379938157, 1.560730046044009, 1.499976570429]}}