{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:16:59.545587", "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": "2022-Jan-07_to_2022-Jan-12_125.5_1.0"}, "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": 2022010001753}, "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": "January 07 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 12 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 58668.586366420466}, "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": ["Celebes Sea", "Molucca 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": 1.0}, "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": 125.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 123.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[126.15, 0.75], [126.25, 0.5], [126.03, -0.03], [125.5, -0.25], [124.97, -0.03], [124.82, 0.32], [124.47, 0.47], [124.3, 0.87], [124.0, 0.75], [123.47, 0.97], [123.25, 1.5], [123.35, 1.75], [123.32, 1.82], [122.97, 1.97], [122.75, 2.5], [122.85, 2.75], [122.75, 3.0], [122.85, 3.25], [122.75, 3.5], [122.85, 3.75], [122.75, 4.0], [122.97, 4.53], [123.5, 4.75], [124.0, 4.54], [124.5, 4.75], [125.03, 4.53], [125.25, 4.0], [125.15, 3.75], [125.25, 3.5], [125.15, 3.25], [125.25, 3.0], [125.15, 2.75], [125.25, 2.5], [125.15, 2.25], [125.18, 2.18], [125.25, 2.15], [125.5, 2.25], [126.03, 2.03], [126.25, 1.5], [126.15, 1.25], [126.25, 1.0], [126.15, 0.75]]]]}}, "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": {"2022-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, 4.53], [124.5, 4.75], [125.03, 4.53], [125.25, 4.0], [125.03, 3.47], [124.5, 3.25], [123.97, 3.47], [123.75, 4.0], [123.97, 4.53]]]]}, "2022-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 3.0], [122.85, 3.25], [122.75, 3.5], [122.85, 3.75], [122.75, 4.0], [122.97, 4.53], [123.5, 4.75], [124.0, 4.54], [124.5, 4.75], [125.03, 4.53], [125.25, 4.0], [125.15, 3.75], [125.25, 3.5], [125.15, 3.25], [125.25, 3.0], [125.15, 2.75], [125.25, 2.5], [125.15, 2.25], [125.18, 2.18], [125.25, 2.15], [125.5, 2.25], [126.03, 2.03], [126.25, 1.5], [126.15, 1.25], [126.25, 1.0], [126.03, 0.47], [125.5, 0.25], [124.97, 0.47], [124.82, 0.82], [124.5, 0.96], [124.0, 0.75], [123.47, 0.97], [123.25, 1.5], [123.35, 1.75], [123.32, 1.82], [122.97, 1.97], [122.75, 2.5], [122.85, 2.75], [122.75, 3.0]]]]}, "2022-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 3.0], [122.85, 3.25], [122.75, 3.5], [122.85, 3.75], [122.75, 4.0], [122.97, 4.53], [123.5, 4.75], [124.0, 4.54], [124.5, 4.75], [125.03, 4.53], [125.25, 4.0], [125.15, 3.75], [125.25, 3.5], [125.15, 3.25], [125.25, 3.0], [125.15, 2.75], [125.25, 2.5], [125.15, 2.25], [125.18, 2.18], [125.25, 2.15], [125.5, 2.25], [126.03, 2.03], [126.25, 1.5], [126.15, 1.25], [126.25, 1.0], [126.15, 0.75], [126.25, 0.5], [126.03, -0.03], [125.5, -0.25], [124.97, -0.03], [124.82, 0.32], [124.47, 0.47], [124.3, 0.87], [124.0, 0.75], [123.47, 0.97], [123.25, 1.5], [123.35, 1.75], [123.32, 1.82], [122.97, 1.97], [122.75, 2.5], [122.85, 2.75], [122.75, 3.0]]]]}, "2022-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 3.0], [122.85, 3.25], [122.75, 3.5], [122.85, 3.75], [122.75, 4.0], [122.97, 4.53], [123.5, 4.75], [124.03, 4.53], [124.18, 4.18], [124.25, 4.15], [124.5, 4.25], [125.03, 4.03], [125.25, 3.5], [125.15, 3.25], [125.25, 3.0], [125.15, 2.75], [125.25, 2.5], [125.15, 2.25], [125.18, 2.18], [125.25, 2.15], [125.5, 2.25], [126.03, 2.03], [126.25, 1.5], [126.15, 1.25], [126.25, 1.0], [126.15, 0.75], [126.25, 0.5], [126.03, -0.03], [125.5, -0.25], [124.97, -0.03], [124.82, 0.32], [124.47, 0.47], [124.3, 0.87], [124.0, 0.75], [123.47, 0.97], [123.25, 1.5], [123.35, 1.75], [123.32, 1.82], [122.97, 1.97], [122.75, 2.5], [122.85, 2.75], [122.75, 3.0]]]]}, "2022-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.47, 0.47], [124.25, 1.0], [124.47, 1.53], [125.0, 1.75], [125.25, 1.65], [125.5, 1.75], [126.03, 1.53], [126.25, 1.0], [126.15, 0.75], [126.25, 0.5], [126.03, -0.03], [125.5, -0.25], [124.97, -0.03], [124.82, 0.32], [124.47, 0.47]]]]}, "2022-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 1.53], [125.5, 1.75], [126.03, 1.53], [126.25, 1.0], [126.03, 0.47], [125.5, 0.25], [124.97, 0.47], [124.75, 1.0], [124.97, 1.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5330196956643931}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0367807666562845}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.619534861834325, 27.47836081661285, 27.715277575331584, 27.771500176987104, 27.633132233968922, 27.85419117264331]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.619534861834325, 27.875400362733785, 28.06899351317594, 28.373240361438206, 28.0419568778849, 27.85419117264331]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9074934949414342, 0.8723446113025174, 1.1098496483073745, 1.1700534362239239, 0.8182154639530003, 0.8299617839068105]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9074934949414342, 1.0762225973182353, 1.2957664098704527, 1.5330196956643931, 0.9466104101597352, 0.8299617839068105]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7521089922646595, 1.5815225353986326, 2.0229579412998087, 2.065717927957171, 1.6303797492972778, 1.5567195488727112]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7521089922646595, 1.725490990692335, 2.449114612978665, 2.6961691140030526, 1.7588909801571992, 1.5567195488727112]}}