{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:14.071808", "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": "2021-Oct-26_to_2021-Oct-29_100.0_8.5"}, "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": 2021100002488}, "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": "October 26 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2021"}, "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": 54849.71300334518}, "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": ["Myanmar", "Thailand"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 8.5}, "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": 100.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 100.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[98.25, 11.5], [98.47, 12.03], [99.0, 12.25], [99.53, 12.03], [99.75, 11.5], [99.65, 11.25], [99.68, 11.18], [99.75, 11.15], [100.0, 11.25], [100.53, 11.03], [100.75, 10.5], [100.53, 9.97], [100.13, 9.8], [100.25, 9.5], [100.15, 9.25], [100.18, 9.18], [100.25, 9.15], [100.5, 9.25], [101.03, 9.03], [101.25, 8.5], [101.15, 8.25], [101.25, 8.0], [101.03, 7.47], [100.5, 7.25], [100.25, 7.35], [100.0, 7.25], [99.47, 7.47], [99.32, 7.82], [98.97, 7.97], [98.82, 8.32], [98.47, 8.47], [98.25, 9.0], [98.35, 9.25], [98.32, 9.32], [98.25, 9.35], [98.0, 9.25], [97.47, 9.47], [97.25, 10.0], [97.47, 10.53], [97.82, 10.68], [97.97, 11.03], [98.32, 11.18], [98.35, 11.25], [98.25, 11.5]]]]}}, "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": {"2021-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.5, 9.75], [98.97, 9.97], [98.75, 10.5], [98.97, 11.03], [99.5, 11.25], [99.75, 11.15], [100.0, 11.25], [100.53, 11.03], [100.75, 10.5], [100.53, 9.97], [100.0, 9.75], [99.75, 9.85], [99.5, 9.75]]]]}, "2021-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 11.03], [98.32, 11.18], [98.35, 11.25], [98.25, 11.5], [98.47, 12.03], [99.0, 12.25], [99.53, 12.03], [99.75, 11.5], [99.65, 11.25], [99.68, 11.18], [99.75, 11.15], [100.0, 11.25], [100.53, 11.03], [100.75, 10.5], [100.53, 9.97], [100.13, 9.8], [100.25, 9.5], [100.15, 9.25], [100.18, 9.18], [100.25, 9.15], [100.5, 9.25], [101.03, 9.03], [101.25, 8.5], [101.15, 8.25], [101.25, 8.0], [101.03, 7.47], [100.5, 7.25], [100.25, 7.35], [100.0, 7.25], [99.47, 7.47], [99.32, 7.82], [98.97, 7.97], [98.82, 8.32], [98.47, 8.47], [98.25, 9.0], [98.35, 9.25], [98.32, 9.32], [98.25, 9.35], [98.0, 9.25], [97.47, 9.47], [97.25, 10.0], [97.47, 10.53], [97.82, 10.68], [97.97, 11.03]]]]}, "2021-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 11.03], [98.32, 11.18], [98.35, 11.25], [98.25, 11.5], [98.47, 12.03], [99.0, 12.25], [99.53, 12.03], [99.75, 11.5], [99.65, 11.25], [99.68, 11.18], [99.75, 11.15], [100.0, 11.25], [100.53, 11.03], [100.75, 10.5], [100.53, 9.97], [100.13, 9.8], [100.25, 9.5], [100.15, 9.25], [100.18, 9.18], [100.25, 9.15], [100.5, 9.25], [101.03, 9.03], [101.25, 8.5], [101.15, 8.25], [101.25, 8.0], [101.03, 7.47], [100.5, 7.25], [100.25, 7.35], [100.0, 7.25], [99.47, 7.47], [99.32, 7.82], [98.97, 7.97], [98.82, 8.32], [98.47, 8.47], [98.25, 9.0], [98.35, 9.25], [98.32, 9.32], [98.25, 9.35], [98.0, 9.25], [97.47, 9.47], [97.25, 10.0], [97.47, 10.53], [97.82, 10.68], [97.97, 11.03]]]]}, "2021-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 11.03], [98.32, 11.18], [98.35, 11.25], [98.25, 11.5], [98.47, 12.03], [99.0, 12.25], [99.53, 12.03], [99.75, 11.5], [99.65, 11.25], [99.75, 11.0], [99.65, 10.75], [99.75, 10.5], [99.65, 10.25], [99.68, 10.18], [100.03, 10.03], [100.25, 9.5], [100.15, 9.25], [100.18, 9.18], [100.25, 9.15], [100.5, 9.25], [101.03, 9.03], [101.25, 8.5], [101.15, 8.25], [101.25, 8.0], [101.03, 7.47], [100.5, 7.25], [100.25, 7.35], [100.0, 7.25], [99.47, 7.47], [99.32, 7.82], [98.97, 7.97], [98.82, 8.32], [98.47, 8.47], [98.25, 9.0], [98.35, 9.25], [98.32, 9.32], [98.25, 9.35], [98.0, 9.25], [97.47, 9.47], [97.25, 10.0], [97.47, 10.53], [97.82, 10.68], [97.97, 11.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.076333928705594}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2942885040507217}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.850665060789254, 27.55110724410838, 27.839615128052515, 27.459582199914678]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.88886266918155, 28.52240051725039, 28.735086608949644, 28.526318220675307]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.899786897216245, 1.2068776235052558, 1.4983383161018144, 1.2123824069612006]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9016983103780944, 1.7713192218798781, 2.076333928705594, 1.9026135915126474]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4432345172040142, 1.7415392680669948, 2.0564285657870958, 1.5797542397703288]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4597054587911749, 2.811730147477357, 2.9172736426317765, 2.192305546343949]}}