{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:43.024923", "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": "2017-Aug-04_to_2017-Aug-13_72.5_31.0"}, "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": 2017080001458}, "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": "August 04 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 13 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 66304.19311478356}, "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": ["India", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "W.C.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": []}, "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": 31.0}, "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": 72.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "72.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 70.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 75.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.97, 31.53], [72.5, 31.75], [72.75, 31.65], [73.0, 31.75], [73.25, 31.65], [73.5, 31.75], [74.03, 31.53], [74.25, 31.0], [74.03, 30.47], [73.68, 30.32], [73.53, 29.97], [73.0, 29.75], [72.75, 29.85], [72.5, 29.75], [71.97, 29.97], [71.75, 30.5], [71.85, 30.75], [71.75, 31.0], [71.97, 31.53]]]]}, "2017-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.47, 31.47], [70.25, 32.0], [70.47, 32.53], [71.0, 32.75], [71.25, 32.65], [71.5, 32.75], [72.03, 32.53], [72.2, 32.13], [72.5, 32.25], [72.75, 32.15], [73.0, 32.25], [73.53, 32.03], [73.68, 31.68], [74.03, 31.53], [74.18, 31.18], [74.53, 31.03], [74.75, 30.5], [74.53, 29.97], [74.0, 29.75], [73.75, 29.85], [73.5, 29.75], [73.25, 29.85], [73.0, 29.75], [72.75, 29.85], [72.5, 29.75], [71.97, 29.97], [71.75, 30.5], [71.85, 30.75], [71.75, 31.0], [71.85, 31.25], [71.8, 31.38], [71.5, 31.25], [71.25, 31.35], [71.0, 31.25], [70.47, 31.47]]]]}, "2017-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.97, 32.53], [70.5, 32.75], [70.75, 32.65], [71.0, 32.75], [71.25, 32.65], [71.5, 32.75], [72.03, 32.53], [72.2, 32.13], [72.5, 32.25], [72.75, 32.15], [73.0, 32.25], [73.53, 32.03], [73.68, 31.68], [74.03, 31.53], [74.18, 31.18], [74.53, 31.03], [74.75, 30.5], [74.53, 29.97], [74.0, 29.75], [73.75, 29.85], [73.5, 29.75], [73.25, 29.85], [73.18, 29.82], [73.03, 29.47], [72.5, 29.25], [71.97, 29.47], [71.82, 29.82], [71.47, 29.97], [71.25, 30.5], [71.35, 30.75], [71.32, 30.82], [71.25, 30.85], [71.0, 30.75], [70.75, 30.85], [70.5, 30.75], [69.97, 30.97], [69.75, 31.5], [69.85, 31.75], [69.75, 32.0], [69.97, 32.53]]]]}, "2017-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.97, 32.53], [70.5, 32.75], [70.75, 32.65], [71.0, 32.75], [71.25, 32.65], [71.5, 32.75], [72.03, 32.53], [72.2, 32.13], [72.5, 32.25], [72.75, 32.15], [73.0, 32.25], [73.53, 32.03], [73.68, 31.68], [74.03, 31.53], [74.18, 31.18], [74.53, 31.03], [74.75, 30.5], [74.53, 29.97], [74.0, 29.75], [73.75, 29.85], [73.68, 29.82], [73.53, 29.47], [73.0, 29.25], [72.75, 29.35], [72.5, 29.25], [71.97, 29.47], [71.82, 29.82], [71.47, 29.97], [71.25, 30.5], [71.35, 30.75], [71.32, 30.82], [71.25, 30.85], [71.0, 30.75], [70.75, 30.85], [70.5, 30.75], [69.97, 30.97], [69.75, 31.5], [69.85, 31.75], [69.75, 32.0], [69.97, 32.53]]]]}, "2017-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.97, 32.53], [70.5, 32.75], [70.75, 32.65], [71.0, 32.75], [71.25, 32.65], [71.5, 32.75], [72.03, 32.53], [72.2, 32.13], [72.5, 32.25], [73.03, 32.03], [73.18, 31.68], [73.53, 31.53], [73.68, 31.18], [74.03, 31.03], [74.25, 30.5], [74.15, 30.25], [74.25, 30.0], [74.03, 29.47], [73.5, 29.25], [73.25, 29.35], [73.0, 29.25], [72.75, 29.35], [72.5, 29.25], [71.97, 29.47], [71.82, 29.82], [71.47, 29.97], [71.25, 30.5], [71.35, 30.75], [71.32, 30.82], [71.25, 30.85], [71.0, 30.75], [70.75, 30.85], [70.5, 30.75], [69.97, 30.97], [69.75, 31.5], [69.85, 31.75], [69.75, 32.0], [69.97, 32.53]]]]}, "2017-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.0, 32.75], [71.25, 32.65], [71.5, 32.75], [72.03, 32.53], [72.18, 32.18], [72.25, 32.15], [72.5, 32.25], [73.03, 32.03], [73.18, 31.68], [73.53, 31.53], [73.68, 31.18], [73.75, 31.15], [74.0, 31.25], [74.53, 31.03], [74.75, 30.5], [74.53, 29.97], [74.18, 29.82], [74.03, 29.47], [73.5, 29.25], [73.25, 29.35], [73.0, 29.25], [72.75, 29.35], [72.5, 29.25], [71.97, 29.47], [71.82, 29.82], [71.47, 29.97], [71.25, 30.5], [71.35, 30.75], [71.32, 30.82], [71.25, 30.85], [71.0, 30.75], [70.75, 30.85], [70.5, 30.75], [69.97, 30.97], [69.75, 31.5], [69.97, 32.03], [70.32, 32.18], [70.47, 32.53], [71.0, 32.75]]]]}, "2017-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.47, 30.97], [70.25, 31.5], [70.47, 32.03], [71.0, 32.25], [71.25, 32.15], [71.5, 32.25], [71.75, 32.15], [72.0, 32.25], [72.25, 32.15], [72.5, 32.25], [73.03, 32.03], [73.18, 31.68], [73.53, 31.53], [73.68, 31.18], [73.75, 31.15], [74.0, 31.25], [74.25, 31.15], [74.5, 31.25], [74.75, 31.15], [75.0, 31.25], [75.53, 31.03], [75.75, 30.5], [75.53, 29.97], [75.18, 29.82], [75.03, 29.47], [74.5, 29.25], [74.0, 29.46], [73.5, 29.25], [73.25, 29.35], [73.0, 29.25], [72.75, 29.35], [72.5, 29.25], [71.97, 29.47], [71.82, 29.82], [71.47, 29.97], [71.25, 30.5], [71.35, 30.75], [71.32, 30.82], [71.25, 30.85], [71.0, 30.75], [70.47, 30.97]]]]}, "2017-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.47, 30.97], [70.25, 31.5], [70.47, 32.03], [71.0, 32.25], [71.25, 32.15], [71.5, 32.25], [71.75, 32.15], [72.0, 32.25], [72.25, 32.15], [72.5, 32.25], [73.03, 32.03], [73.25, 31.5], [73.15, 31.25], [73.2, 31.13], [73.5, 31.25], [73.75, 31.15], [74.0, 31.25], [74.25, 31.15], [74.5, 31.25], [74.75, 31.15], [75.0, 31.25], [75.53, 31.03], [75.68, 30.68], [76.03, 30.53], [76.25, 30.0], [76.03, 29.47], [75.5, 29.25], [75.0, 29.46], [74.5, 29.25], [73.97, 29.47], [73.82, 29.82], [73.75, 29.85], [73.5, 29.75], [72.97, 29.97], [72.8, 30.38], [72.5, 30.25], [72.25, 30.35], [72.0, 30.25], [71.47, 30.47], [71.32, 30.82], [71.25, 30.85], [71.0, 30.75], [70.47, 30.97]]]]}, "2017-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.03, 32.03], [73.25, 31.5], [73.15, 31.25], [73.2, 31.13], [73.5, 31.25], [73.75, 31.15], [74.0, 31.25], [74.25, 31.15], [74.5, 31.25], [74.75, 31.15], [75.0, 31.25], [75.53, 31.03], [75.68, 30.68], [76.03, 30.53], [76.25, 30.0], [76.03, 29.47], [75.5, 29.25], [75.0, 29.46], [74.5, 29.25], [73.97, 29.47], [73.82, 29.82], [73.75, 29.85], [73.5, 29.75], [72.97, 29.97], [72.8, 30.38], [72.5, 30.25], [71.97, 30.47], [71.75, 31.0], [71.85, 31.25], [71.75, 31.5], [71.97, 32.03], [72.5, 32.25], [73.03, 32.03]]], [[[70.47, 30.97], [70.25, 31.5], [70.47, 32.03], [71.0, 32.25], [71.53, 32.03], [71.75, 31.5], [71.53, 30.97], [71.0, 30.75], [70.47, 30.97]]]]}, "2017-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.5, 30.75], [76.03, 30.53], [76.25, 30.0], [76.03, 29.47], [75.5, 29.25], [74.97, 29.47], [74.75, 30.0], [74.97, 30.53], [75.5, 30.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.332418600386063}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6120011132043324}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.91015901743526, 35.874080234019516, 36.480659512912894, 36.790882273712725, 36.556004348723945, 36.85051900035876, 36.30961465592816, 35.75144265978719, 35.22518269029979, 33.20605287280483]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.42627384714979, 36.555111893741184, 37.21358140642121, 37.958375655608506, 37.15175861580258, 38.05305701604442, 37.4922707578329, 37.26323435636715, 36.1543996065152, 33.20605287280483]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.0901744116320176, 3.259393075735509, 3.72221902132068, 3.983392433702806, 3.636237212755204, 3.8940595286677566, 3.5247069459784024, 3.415048091736722, 3.270160826176613, 2.581694277878796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6793667474040035, 3.9672632123158564, 4.7747029962642955, 5.332418600386063, 4.343242732750809, 4.884981144870608, 4.836328502110405, 4.103968359201247, 3.870955100656033, 2.581694277878796]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3617756597287445, 1.4132218510739978, 1.5759442227565805, 1.7094707838762684, 1.6141164744330188, 1.7820513048806044, 1.7023258731124062, 1.5984295860803484, 1.6249377277063766, 1.3852749173497214]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.575094399463657, 1.6315786042095697, 1.863440233119433, 2.1588603121552934, 1.973833094531513, 2.0158757138189536, 2.447890747920559, 1.9267942595777006, 1.9557432545757536, 1.3852749173497214]}}