{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:57.386146", "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": "2025-Mar-18_to_2025-Mar-21_128.5_-5.0"}, "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": 2025030001794}, "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": "March 18 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 21 2025"}, "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": 58546.85230670475}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": ["Banda 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": -5.0}, "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": 128.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 126.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 130.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -4.0], [126.47, -3.47], [127.0, -3.25], [127.25, -3.35], [127.5, -3.25], [127.75, -3.35], [128.0, -3.25], [128.5, -3.46], [129.0, -3.25], [129.25, -3.35], [129.5, -3.25], [129.75, -3.35], [130.0, -3.25], [130.53, -3.47], [130.75, -4.0], [130.65, -4.25], [130.75, -4.5], [130.65, -4.75], [130.75, -5.0], [130.65, -5.25], [130.75, -5.5], [130.53, -6.03], [130.0, -6.25], [129.75, -6.15], [129.5, -6.25], [128.97, -6.03], [128.82, -5.68], [128.75, -5.65], [128.5, -5.75], [127.97, -5.53], [127.82, -5.18], [127.75, -5.15], [127.5, -5.25], [126.97, -5.03], [126.82, -4.68], [126.47, -4.53], [126.25, -4.0]]]]}, "2025-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -4.0], [126.47, -3.47], [127.0, -3.25], [127.25, -3.35], [127.5, -3.25], [127.75, -3.35], [128.0, -3.25], [128.5, -3.46], [129.0, -3.25], [129.25, -3.35], [129.5, -3.25], [129.75, -3.35], [129.82, -3.32], [129.97, -2.97], [130.5, -2.75], [131.03, -2.97], [131.25, -3.5], [131.03, -4.03], [130.68, -4.18], [130.65, -4.25], [130.75, -4.5], [130.65, -4.75], [130.75, -5.0], [130.65, -5.25], [130.75, -5.5], [130.53, -6.03], [130.0, -6.25], [129.75, -6.15], [129.5, -6.25], [128.97, -6.03], [128.82, -5.68], [128.75, -5.65], [128.5, -5.75], [127.97, -5.53], [127.82, -5.18], [127.75, -5.15], [127.5, -5.25], [126.97, -5.03], [126.82, -4.68], [126.47, -4.53], [126.25, -4.0]]]]}, "2025-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -4.0], [126.47, -3.47], [127.0, -3.25], [127.25, -3.35], [127.5, -3.25], [127.75, -3.35], [128.0, -3.25], [128.5, -3.46], [129.0, -3.25], [129.25, -3.35], [129.5, -3.25], [129.75, -3.35], [129.82, -3.32], [129.97, -2.97], [130.5, -2.75], [131.03, -2.97], [131.25, -3.5], [131.03, -4.03], [130.68, -4.18], [130.65, -4.25], [130.75, -4.5], [130.65, -4.75], [130.75, -5.0], [130.65, -5.25], [130.75, -5.5], [130.53, -6.03], [130.0, -6.25], [129.75, -6.15], [129.5, -6.25], [128.97, -6.03], [128.82, -5.68], [128.75, -5.65], [128.5, -5.75], [127.97, -5.53], [127.82, -5.18], [127.75, -5.15], [127.5, -5.25], [126.97, -5.03], [126.82, -4.68], [126.47, -4.53], [126.25, -4.0]]]]}, "2025-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.5, -2.75], [131.03, -2.97], [131.25, -3.5], [131.03, -4.03], [130.5, -4.25], [129.97, -4.03], [129.75, -3.5], [129.97, -2.97], [130.5, -2.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3284108876275695}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0354302765196473}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.404031089500165, 28.154096221923908, 28.268396464565342, 26.056139882405603]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.65962371826174, 28.49931106567385, 28.634765879313193, 26.056139882405603]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1008903970005595, 0.9562476874995397, 1.0577620615255916, 0.9373133841323238]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3284108876275695, 1.1493970664652124, 1.2987985098053514, 0.9373133841323238]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.891364443147934, 1.6202823831898947, 1.7866631467156964, 1.425478962329206]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2055566312944266, 1.999750568886159, 2.250191441144626, 1.425478962329206]}}