{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:44.827212", "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": "2012-Feb-22_to_2012-Feb-28_98.5_11.0"}, "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": 2012020002512}, "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 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 28 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 57647.04572226601}, "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"]}, "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": ["Andaman or Burma 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": 11.0}, "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": 98.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "98.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 96.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.0, 12.25], [99.53, 12.03], [99.75, 11.5], [99.53, 10.97], [99.0, 10.75], [98.47, 10.97], [98.25, 11.5], [98.47, 12.03], [99.0, 12.25]]]]}, "2012-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.32, 11.68], [98.47, 12.03], [99.0, 12.25], [99.53, 12.03], [99.75, 11.5], [99.53, 10.97], [99.18, 10.82], [99.15, 10.75], [99.25, 10.5], [99.03, 9.97], [98.5, 9.75], [98.25, 9.85], [98.0, 9.75], [97.47, 9.97], [97.25, 10.5], [97.47, 11.03], [97.82, 11.18], [97.97, 11.53], [98.32, 11.68]]]]}, "2012-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 11.03], [97.0, 11.25], [97.25, 11.15], [97.32, 11.18], [97.47, 11.53], [97.88, 11.7], [97.75, 12.0], [97.97, 12.53], [98.5, 12.75], [99.03, 12.53], [99.18, 12.18], [99.53, 12.03], [99.75, 11.5], [99.53, 10.97], [99.18, 10.82], [99.15, 10.75], [99.25, 10.5], [99.03, 9.97], [98.5, 9.75], [98.25, 9.85], [98.18, 9.82], [98.03, 9.47], [97.5, 9.25], [97.25, 9.35], [97.0, 9.25], [96.47, 9.47], [96.25, 10.0], [96.35, 10.25], [96.25, 10.5], [96.47, 11.03]]]]}, "2012-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 11.03], [96.32, 11.18], [96.47, 11.53], [96.82, 11.68], [96.97, 12.03], [97.32, 12.18], [97.35, 12.25], [97.25, 12.5], [97.47, 13.03], [98.0, 13.25], [98.53, 13.03], [98.68, 12.68], [99.03, 12.53], [99.18, 12.18], [99.53, 12.03], [99.75, 11.5], [99.53, 10.97], [99.18, 10.82], [99.15, 10.75], [99.25, 10.5], [99.03, 9.97], [98.5, 9.75], [98.25, 9.85], [98.18, 9.82], [98.03, 9.47], [97.5, 9.25], [97.25, 9.35], [97.0, 9.25], [96.75, 9.35], [96.5, 9.25], [95.97, 9.47], [95.75, 10.0], [95.85, 10.25], [95.75, 10.5], [95.97, 11.03]]]]}, "2012-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 11.03], [96.32, 11.18], [96.47, 11.53], [96.82, 11.68], [96.97, 12.03], [97.32, 12.18], [97.35, 12.25], [97.25, 12.5], [97.47, 13.03], [98.0, 13.25], [98.53, 13.03], [98.68, 12.68], [99.03, 12.53], [99.18, 12.18], [99.53, 12.03], [99.75, 11.5], [99.53, 10.97], [99.18, 10.82], [99.15, 10.75], [99.25, 10.5], [99.03, 9.97], [98.5, 9.75], [98.25, 9.85], [98.18, 9.82], [98.03, 9.47], [97.5, 9.25], [97.25, 9.35], [97.0, 9.25], [96.75, 9.35], [96.5, 9.25], [95.97, 9.47], [95.75, 10.0], [95.85, 10.25], [95.75, 10.5], [95.97, 11.03]]]]}, "2012-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 11.03], [96.32, 11.18], [96.47, 11.53], [96.82, 11.68], [96.97, 12.03], [97.32, 12.18], [97.35, 12.25], [97.25, 12.5], [97.47, 13.03], [98.0, 13.25], [98.53, 13.03], [98.68, 12.68], [99.03, 12.53], [99.25, 12.0], [99.15, 11.75], [99.25, 11.5], [99.15, 11.25], [99.25, 11.0], [99.15, 10.75], [99.25, 10.5], [99.03, 9.97], [98.5, 9.75], [98.25, 9.85], [98.18, 9.82], [98.03, 9.47], [97.5, 9.25], [97.25, 9.35], [97.0, 9.25], [96.75, 9.35], [96.5, 9.25], [95.97, 9.47], [95.75, 10.0], [95.85, 10.25], [95.75, 10.5], [95.97, 11.03]]]]}, "2012-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.5, 12.25], [99.03, 12.03], [99.25, 11.5], [99.03, 10.97], [98.5, 10.75], [97.97, 10.97], [97.75, 11.5], [97.97, 12.03], [98.5, 12.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8855264964616367}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9136837370465537}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.70830620357873, 28.204309826834788, 28.308974221210917, 28.31891539806935, 28.589302955771643, 28.444529937421123, 28.840523563150384]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.70830620357873, 28.531840803353532, 28.83281966321516, 28.86304265526877, 29.213207953178255, 29.057549667307967, 28.840523563150384]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", 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2.308551436928224, 2.1017468745099666, 1.1961400078702134]}}