{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:50.428175", "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-May-30_to_2019-Jun-02_58.0_20.0"}, "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": 2019050003021}, "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": "May 30 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 02 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 75343.24833138564}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Arabian-Sea"]}, "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": ["Arabian Sea"]}, "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": 20.0}, "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": 58.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "58.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 57.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 60.75}, "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": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.25, 19.5], [57.35, 19.75], [57.25, 20.0], [57.47, 20.53], [57.82, 20.68], [57.85, 20.75], [57.75, 21.0], [57.85, 21.25], [57.82, 21.32], [57.47, 21.47], [57.25, 22.0], [57.47, 22.53], [58.0, 22.75], [58.25, 22.65], [58.5, 22.75], [59.03, 22.53], [59.18, 22.18], [59.53, 22.03], [59.68, 21.68], [59.75, 21.65], [60.0, 21.75], [60.25, 21.65], [60.5, 21.75], [61.03, 21.53], [61.25, 21.0], [61.03, 20.47], [60.68, 20.32], [60.53, 19.97], [60.18, 19.82], [60.03, 19.47], [59.68, 19.32], [59.53, 18.97], [59.18, 18.82], [59.03, 18.47], [58.68, 18.32], [58.53, 17.97], [58.0, 17.75], [57.75, 17.85], [57.5, 17.75], [56.97, 17.97], [56.75, 18.5], [56.97, 19.03], [57.32, 19.18], [57.35, 19.25], [57.25, 19.5]]]]}, "2019-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.25, 19.5], [57.35, 19.75], [57.25, 20.0], [57.35, 20.25], [57.25, 20.5], [57.35, 20.75], [57.25, 21.0], [57.46, 21.5], [57.25, 22.0], [57.47, 22.53], [58.0, 22.75], [58.25, 22.65], [58.5, 22.75], [59.03, 22.53], [59.18, 22.18], [59.53, 22.03], [59.68, 21.68], [59.75, 21.65], [60.0, 21.75], [60.25, 21.65], [60.5, 21.75], [61.03, 21.53], [61.25, 21.0], [61.03, 20.47], [60.68, 20.32], [60.53, 19.97], [60.18, 19.82], [60.03, 19.47], [59.68, 19.32], [59.53, 18.97], [59.18, 18.82], [59.03, 18.47], [58.68, 18.32], [58.53, 17.97], [58.0, 17.75], [57.75, 17.85], [57.5, 17.75], [56.97, 17.97], [56.75, 18.5], [56.97, 19.03], [57.32, 19.18], [57.35, 19.25], [57.25, 19.5]]]]}, "2019-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.25, 19.5], [57.35, 19.75], [57.25, 20.0], [57.35, 20.25], [57.25, 20.5], [57.35, 20.75], [57.25, 21.0], [57.46, 21.5], [57.25, 22.0], [57.47, 22.53], [58.0, 22.75], [58.25, 22.65], [58.5, 22.75], [59.03, 22.53], [59.18, 22.18], [59.53, 22.03], [59.68, 21.68], [59.75, 21.65], [60.0, 21.75], [60.25, 21.65], [60.5, 21.75], [61.03, 21.53], [61.25, 21.0], [61.03, 20.47], [60.68, 20.32], [60.53, 19.97], [60.18, 19.82], [60.03, 19.47], [59.68, 19.32], [59.53, 18.97], [59.18, 18.82], [59.03, 18.47], [58.68, 18.32], [58.53, 17.97], [58.0, 17.75], [57.75, 17.85], [57.5, 17.75], [56.97, 17.97], [56.75, 18.5], [56.97, 19.03], [57.32, 19.18], [57.35, 19.25], [57.25, 19.5]]]]}, "2019-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.25, 19.5], [57.35, 19.75], [57.25, 20.0], [57.35, 20.25], [57.25, 20.5], [57.35, 20.75], [57.25, 21.0], [57.47, 21.53], [58.0, 21.75], [58.25, 21.65], [58.5, 21.75], [58.75, 21.65], [59.0, 21.75], [59.53, 21.53], [59.68, 21.18], [59.75, 21.15], [59.82, 21.18], [59.97, 21.53], [60.5, 21.75], [61.03, 21.53], [61.25, 21.0], [61.03, 20.47], [60.68, 20.32], [60.53, 19.97], [60.18, 19.82], [60.03, 19.47], [59.5, 19.25], [59.25, 19.35], [59.18, 19.32], [59.15, 19.25], [59.25, 19.0], [59.03, 18.47], [58.68, 18.32], [58.53, 17.97], [58.0, 17.75], [57.75, 17.85], [57.5, 17.75], [56.97, 17.97], [56.75, 18.5], [56.97, 19.03], [57.32, 19.18], [57.35, 19.25], [57.25, 19.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.2578239799079824}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5490906117801735}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.77189775822586, 31.46426707620475, 31.358774942028447, 30.389323363774395]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.70571814771603, 38.77931629647935, 38.44078415536001, 37.48013537065822]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3718164272155515, 1.7863763910703416, 1.658837008013911, 1.2981297626185617]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2625213550492163, 3.941063845225301, 4.2578239799079824, 3.670287577615227]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.463609966896069, 1.7510380341518579, 1.5569177160355632, 1.3382986703923059]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9608147752300629, 2.372545641111415, 2.0821391695095253, 1.8194058631768717]}}