{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:10.731545", "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": "2023-Feb-03_to_2023-Feb-06_109.0_-6.5"}, "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": 2023020001360}, "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": "February 03 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 2023"}, "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": 67638.11984919751}, "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": ["Indonesia"]}, "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": ["Java 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": -6.5}, "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": 109.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.0}, "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": -5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[111.53, -6.53], [111.0, -6.75], [110.75, -6.65], [110.68, -6.68], [110.53, -7.03], [110.0, -7.25], [109.75, -7.15], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25], [108.75, -7.15], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.32, -6.68], [107.25, -6.65], [107.0, -6.75], [106.47, -6.53], [106.25, -6.0], [106.47, -5.47], [106.82, -5.32], [106.97, -4.97], [107.5, -4.75], [107.75, -4.85], [108.0, -4.75], [108.25, -4.85], [108.5, -4.75], [108.75, -4.85], [109.0, -4.75], [109.25, -4.85], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.53, -4.97], [111.75, -5.5], [111.65, -5.75], [111.75, -6.0], [111.53, -6.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.0, -7.25], [108.47, -7.03], [108.25, -6.5], [108.47, -5.97], [109.0, -5.75], [109.25, -5.85], [109.5, -5.75], [109.75, -5.85], [110.0, -5.75], [110.3, -5.87], [110.47, -5.47], [111.0, -5.25], [111.53, -5.47], [111.75, -6.0], [111.53, -6.53], [111.0, -6.75], [110.7, -6.63], [110.53, -7.03], [110.0, -7.25], [109.75, -7.15], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25]]]]}, "2023-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.97, -4.97], [107.5, -4.75], [107.75, -4.85], [108.0, -4.75], [108.25, -4.85], [108.5, -4.75], [108.75, -4.85], [109.0, -4.75], [109.25, -4.85], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.53, -4.97], [111.75, -5.5], [111.65, -5.75], [111.75, -6.0], [111.53, -6.53], [111.0, -6.75], [110.75, -6.65], [110.68, -6.68], [110.53, -7.03], [110.0, -7.25], [109.75, -7.15], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25], [108.75, -7.15], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.32, -6.68], [107.25, -6.65], [107.0, -6.75], [106.47, -6.53], [106.25, -6.0], [106.47, -5.47], [106.82, -5.32], [106.97, -4.97]]]]}, "2023-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.97, -4.97], [107.5, -4.75], [107.75, -4.85], [108.0, -4.75], [108.25, -4.85], [108.5, -4.75], [108.75, -4.85], [109.0, -4.75], [109.25, -4.85], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.53, -4.97], [111.75, -5.5], [111.65, -5.75], [111.75, -6.0], [111.53, -6.53], [111.0, -6.75], [110.75, -6.65], [110.68, -6.68], [110.53, -7.03], [110.0, -7.25], [109.75, -7.15], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25], [108.75, -7.15], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.32, -6.68], [107.25, -6.65], [107.0, -6.75], [106.47, -6.53], [106.25, -6.0], [106.47, -5.47], [106.82, -5.32], [106.97, -4.97]]]]}, "2023-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.97, -4.97], [107.5, -4.75], [107.75, -4.85], [108.0, -4.75], [108.25, -4.85], [108.5, -4.75], [108.75, -4.85], [109.0, -4.75], [109.25, -4.85], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [110.75, -4.85], [111.0, -4.75], [111.53, -4.97], [111.75, -5.5], [111.65, -5.75], [111.75, -6.0], [111.53, -6.53], [111.0, -6.75], [110.75, -6.65], [110.68, -6.68], [110.53, -7.03], [110.0, -7.25], [109.75, -7.15], [109.5, -7.25], [109.25, -7.15], [109.0, -7.25], [108.75, -7.15], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.32, -6.68], [107.25, -6.65], [107.0, -6.75], [106.47, -6.53], [106.25, -6.0], [106.47, -5.47], [106.82, -5.32], [106.97, -4.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6567829371234666}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9742141340161684}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.399365944769954, 27.46257117713725, 27.603406524130833, 27.734315883185502]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.428499913633402, 27.725626486494605, 27.785889901540997, 27.92118326379739]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7272183440612991, 0.8525541882146063, 0.989986808194552, 1.1250097310856868]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7675888761262968, 1.248279807578001, 1.5114052391626274, 1.6567829371234666]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4896564219934199, 1.6399671684689947, 1.9039372291905776, 2.1356968118949453]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5872568104837361, 2.2114229998438892, 2.3341141829985883, 2.5627610756862254]}}