{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:48.613105", "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": "2020-Apr-02_to_2020-Apr-04_93.0_8.0"}, "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": 2020040001176}, "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 02 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 04 2020"}, "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": 70472.38602375837}, "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": ["India"]}, "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": ["Andaman 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": 8.0}, "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": 93.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "93.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 91.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 94.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[90.47, 8.03], [90.823, 8.177], [90.97, 8.53], [91.5, 8.75], [92.0, 8.543], [92.5, 8.75], [92.75, 8.646], [92.823, 8.677], [92.97, 9.03], [93.5, 9.25], [93.75, 9.146], [94.0, 9.25], [94.25, 9.146], [94.5, 9.25], [95.03, 9.03], [95.25, 8.5], [95.146, 8.25], [95.25, 8.0], [95.03, 7.47], [94.677, 7.323], [94.53, 6.97], [94.177, 6.823], [94.146, 6.75], [94.25, 6.5], [94.03, 5.97], [93.5, 5.75], [93.25, 5.854], [93.0, 5.75], [92.47, 5.97], [92.323, 6.323], [92.0, 6.457], [91.5, 6.25], [91.25, 6.354], [91.0, 6.25], [90.47, 6.47], [90.25, 7.0], [90.354, 7.25], [90.25, 7.5], [90.47, 8.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "Bay-of-Bengal", "Equatorial.Indian-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-04-02T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[90.35355339059328, 7.25], [90.25, 7.5], [90.46966991411009, 8.030330085889911], [90.82322330470336, 8.176776695296637], [90.96966991411009, 8.530330085889911], [91.5, 8.75], [92.0, 8.542893218813456], [92.5, 8.75], [92.75, 8.646446609406727], [92.82322330470336, 8.676776695296637], [92.96966991411009, 9.030330085889911], [93.5, 9.25], [93.75, 9.146446609406727], [94.0, 9.25], [94.25, 9.146446609406727], [94.5, 9.25], [95.03033008588991, 9.030330085889911], [95.25, 8.5], [95.14644660940672, 8.25], [95.25, 8.0], [95.03033008588991, 7.4696699141100895], [94.67677669529664, 7.3232233047033635], [94.53033008588991, 6.9696699141100895], [94.17677669529664, 6.8232233047033635], [94.14644660940672, 6.75], [94.25, 6.5], [94.03033008588991, 5.9696699141100895], [93.5, 5.75], [93.25, 5.853553390593273], [93.0, 5.75], [92.46966991411009, 5.9696699141100895], [92.32322330470336, 6.3232233047033635], [92.0, 6.457106781186546], [91.5, 6.25], [91.25, 6.353553390593273], [91.0, 6.25], [90.46966991411009, 6.4696699141100895], [90.25, 7.0], [90.35355339059328, 7.25]]]}, "2020-04-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[90.35355339059328, 7.25], [90.25, 7.5], [90.46966991411009, 8.030330085889911], [90.82322330470336, 8.176776695296637], [90.96966991411009, 8.530330085889911], [91.5, 8.75], [92.0, 8.542893218813456], [92.5, 8.75], [92.75, 8.646446609406727], [92.82322330470336, 8.676776695296637], [92.96966991411009, 9.030330085889911], [93.5, 9.25], [93.75, 9.146446609406727], [94.0, 9.25], [94.25, 9.146446609406727], [94.5, 9.25], [95.03033008588991, 9.030330085889911], [95.25, 8.5], [95.14644660940672, 8.25], [95.25, 8.0], [95.03033008588991, 7.4696699141100895], [94.67677669529664, 7.3232233047033635], [94.53033008588991, 6.9696699141100895], [94.17677669529664, 6.8232233047033635], [94.14644660940672, 6.75], [94.25, 6.5], [94.03033008588991, 5.9696699141100895], [93.5, 5.75], [93.25, 5.853553390593273], [93.0, 5.75], [92.46966991411009, 5.9696699141100895], [92.32322330470336, 6.3232233047033635], [92.0, 6.457106781186546], [91.5, 6.25], [91.25, 6.353553390593273], [91.0, 6.25], [90.46966991411009, 6.4696699141100895], [90.25, 7.0], [90.35355339059328, 7.25]]]}, "2020-04-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[90.35355339059328, 7.25], [90.25, 7.5], [90.46966991411009, 8.030330085889911], [90.82322330470336, 8.176776695296637], [90.96966991411009, 8.530330085889911], [91.5, 8.75], [92.0, 8.542893218813456], [92.5, 8.75], [92.75, 8.646446609406727], [92.82322330470336, 8.676776695296637], [92.96966991411009, 9.030330085889911], [93.5, 9.25], [93.75, 9.146446609406727], [94.0, 9.25], [94.25, 9.146446609406727], [94.5, 9.25], [95.03033008588991, 9.030330085889911], [95.25, 8.5], [95.14644660940672, 8.25], [95.25, 8.0], [95.03033008588991, 7.4696699141100895], [94.67677669529664, 7.3232233047033635], [94.53033008588991, 6.9696699141100895], [94.17677669529664, 6.8232233047033635], [94.14644660940672, 6.75], [94.25, 6.5], [94.03033008588991, 5.9696699141100895], [93.5, 5.75], [93.25, 5.853553390593273], [93.0, 5.75], [92.46966991411009, 5.9696699141100895], [92.32322330470336, 6.3232233047033635], [92.0, 6.457106781186546], [91.5, 6.25], [91.25, 6.353553390593273], [91.0, 6.25], [90.46966991411009, 6.4696699141100895], [90.25, 7.0], [90.35355339059328, 7.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5521530408943818}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1272511975111503}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.778820753605544, 28.878430563793927, 28.989604573582085]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.972986858679633, 29.16925554549931, 29.310278231584505]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0518271488720397, 1.1151366541348653, 1.2147897895265463]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2356388006597854, 1.3559095901795217, 1.5521530408943818]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5963795482884122, 1.698839812564398, 1.8471931117122002]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8937816187193675, 2.0625431935027, 2.3328612249975405]}}