{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:10.286066", "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-Jan-15_to_2017-Feb-02_97.5_32.0"}, "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": 2017010001955}, "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 15 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 19}, "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": 52621.9622259249}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau"]}, "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": 32.0}, "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": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\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": 98.75}, "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": 33.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 31.47], [96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.5, 32.75], [97.75, 32.65], [98.0, 32.75], [98.53, 32.53], [98.75, 32.0], [98.53, 31.47], [98.0, 31.25], [97.75, 31.35], [97.5, 31.25], [97.25, 31.35], [97.0, 31.25], [96.47, 31.47]]]]}, "2017-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 31.47], [96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.32, 32.68], [97.47, 33.03], [98.0, 33.25], [98.25, 33.15], [98.5, 33.25], [99.03, 33.03], [99.25, 32.5], [99.03, 31.97], [98.68, 31.82], [98.53, 31.47], [98.0, 31.25], [97.75, 31.35], [97.5, 31.25], [97.25, 31.35], [97.0, 31.25], [96.47, 31.47]]]]}, "2017-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 31.47], [96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.32, 32.68], [97.47, 33.03], [98.0, 33.25], [98.25, 33.15], [98.5, 33.25], [99.03, 33.03], [99.25, 32.5], [99.03, 31.97], [98.68, 31.82], [98.53, 31.47], [98.0, 31.25], [97.75, 31.35], [97.5, 31.25], [97.25, 31.35], [97.0, 31.25], [96.47, 31.47]]]]}, "2017-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.32, 32.68], [97.47, 33.03], [98.0, 33.25], [98.25, 33.15], [98.5, 33.25], [99.03, 33.03], [99.25, 32.5], [99.03, 31.97], [98.68, 31.82], [98.65, 31.75], [98.75, 31.5], [98.53, 30.97], [98.0, 30.75], [97.75, 30.85], [97.5, 30.75], [96.97, 30.97], [96.82, 31.32], [96.47, 31.47], [96.25, 32.0]]]]}, "2017-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.32, 32.68], [97.47, 33.03], [98.0, 33.25], [98.53, 33.03], [98.75, 32.5], [98.65, 32.25], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.65, 31.25], [98.75, 31.0], [98.53, 30.47], [98.0, 30.25], [97.47, 30.47], [97.32, 30.82], [96.97, 30.97], [96.82, 31.32], [96.47, 31.47], [96.25, 32.0]]]]}, "2017-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.32, 32.68], [97.47, 33.03], [98.0, 33.25], [98.53, 33.03], [98.75, 32.5], [98.65, 32.25], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.65, 31.25], [98.75, 31.0], [98.53, 30.47], [98.0, 30.25], [97.5, 30.46], [97.0, 30.25], [96.47, 30.47], [96.25, 31.0], [96.46, 31.5], [96.25, 32.0], [96.47, 32.53]]]]}, "2017-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 32.0], [96.97, 32.53], [97.5, 32.75], [97.75, 32.65], [98.0, 32.75], [98.53, 32.53], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.65, 31.25], [98.75, 31.0], [98.53, 30.47], [98.0, 30.25], [97.5, 30.46], [97.0, 30.25], [96.47, 30.47], [96.25, 31.0], [96.47, 31.53], [96.82, 31.68], [96.85, 31.75], [96.75, 32.0]]]]}, "2017-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.35, 31.75], [96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.5, 32.75], [97.75, 32.65], [98.0, 32.75], [98.53, 32.53], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.65, 31.25], [98.75, 31.0], [98.53, 30.47], [98.0, 30.25], [97.5, 30.46], [97.0, 30.25], [96.47, 30.47], [96.25, 31.0], [96.35, 31.25], [96.25, 31.5], [96.35, 31.75]]]]}, "2017-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.35, 31.75], [96.25, 32.0], [96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.5, 32.75], [97.75, 32.65], [98.0, 32.75], [98.53, 32.53], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.65, 31.25], [98.75, 31.0], [98.53, 30.47], [98.0, 30.25], [97.5, 30.46], [97.0, 30.25], [96.47, 30.47], [96.25, 31.0], [96.35, 31.25], [96.25, 31.5], [96.35, 31.75]]]]}, "2017-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.5, 32.75], [97.75, 32.65], [98.0, 32.75], [98.53, 32.53], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.53, 30.97], [98.0, 30.75], [97.75, 30.85], [97.5, 30.75], [97.25, 30.85], [97.0, 30.75], [96.47, 30.97], [96.25, 31.5], [96.35, 31.75], [96.25, 32.0], [96.47, 32.53]]]]}, "2017-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.75, 31.5], [95.97, 32.03], [96.32, 32.18], [96.47, 32.53], [96.82, 32.68], [96.97, 33.03], [97.5, 33.25], [97.75, 33.15], [98.0, 33.25], [98.53, 33.03], [98.75, 32.5], [98.65, 32.25], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.65, 31.25], [98.75, 31.0], [98.54, 30.5], [98.75, 30.0], [98.53, 29.47], [98.0, 29.25], [97.47, 29.47], [97.32, 29.82], [97.25, 29.85], [97.0, 29.75], [96.47, 29.97], [96.25, 30.5], [96.35, 30.75], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5]]]]}, "2017-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 32.53], [96.32, 32.68], [96.47, 33.03], [96.82, 33.18], [96.97, 33.53], [97.5, 33.75], [98.03, 33.53], [98.18, 33.18], [98.53, 33.03], [98.68, 32.68], [99.03, 32.53], [99.25, 32.0], [99.03, 31.47], [98.68, 31.32], [98.65, 31.25], [98.75, 31.0], [98.54, 30.5], [98.75, 30.0], [98.53, 29.47], [98.0, 29.25], [97.47, 29.47], [97.32, 29.82], [97.25, 29.85], [97.0, 29.75], [96.47, 29.97], [96.25, 30.5], [96.35, 30.75], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5], [95.85, 31.75], [95.75, 32.0], [95.97, 32.53]]]]}, "2017-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 32.53], [96.32, 32.68], [96.47, 33.03], [96.82, 33.18], [96.97, 33.53], [97.5, 33.75], [98.03, 33.53], [98.18, 33.18], [98.53, 33.03], [98.68, 32.68], [99.03, 32.53], [99.25, 32.0], [99.03, 31.47], [98.68, 31.32], [98.65, 31.25], [98.75, 31.0], [98.54, 30.5], [98.75, 30.0], [98.53, 29.47], [98.0, 29.25], [97.47, 29.47], [97.32, 29.82], [97.25, 29.85], [97.0, 29.75], [96.47, 29.97], [96.25, 30.5], [96.35, 30.75], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5], [95.85, 31.75], [95.75, 32.0], [95.97, 32.53]]]]}, "2017-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 32.53], [96.32, 32.68], [96.47, 33.03], [96.82, 33.18], [96.97, 33.53], [97.5, 33.75], [98.03, 33.53], [98.18, 33.18], [98.53, 33.03], [98.68, 32.68], [99.03, 32.53], [99.25, 32.0], [99.03, 31.47], [98.68, 31.32], [98.65, 31.25], [98.75, 31.0], [98.53, 30.47], [98.0, 30.25], [97.5, 30.46], [97.0, 30.25], [96.47, 30.47], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5], [95.85, 31.75], [95.75, 32.0], [95.97, 32.53]]]]}, "2017-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 32.53], [97.0, 32.75], [97.25, 32.65], [97.5, 32.75], [97.75, 32.65], [98.0, 32.75], [98.53, 32.53], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.53, 30.97], [98.0, 30.75], [97.75, 30.85], [97.5, 30.75], [97.25, 30.85], [97.0, 30.75], [96.47, 30.97], [96.25, 31.5], [96.35, 31.75], [96.25, 32.0], [96.47, 32.53]]]]}, "2017-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 32.53], [96.5, 32.75], [96.75, 32.65], [96.82, 32.68], [96.97, 33.03], [97.5, 33.25], [98.03, 33.03], [98.18, 32.68], [98.53, 32.53], [98.75, 32.0], [98.65, 31.75], [98.75, 31.5], [98.53, 30.97], [98.0, 30.75], [97.75, 30.85], [97.68, 30.82], [97.53, 30.47], [97.0, 30.25], [96.47, 30.47], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5], [95.85, 31.75], [95.75, 32.0], [95.97, 32.53]]]]}, "2017-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 32.53], [96.5, 32.75], [96.75, 32.65], [96.82, 32.68], [96.97, 33.03], [97.5, 33.25], [98.03, 33.03], [98.18, 32.68], [98.53, 32.53], [98.75, 32.0], [98.53, 31.47], [98.18, 31.32], [98.03, 30.97], [97.68, 30.82], [97.53, 30.47], [97.0, 30.25], [96.47, 30.47], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5], [95.85, 31.75], [95.75, 32.0], [95.97, 32.53]]]]}, "2017-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 32.53], [96.5, 32.75], [96.75, 32.65], [96.82, 32.68], [96.97, 33.03], [97.5, 33.25], [98.03, 33.03], [98.18, 32.68], [98.53, 32.53], [98.75, 32.0], [98.53, 31.47], [98.18, 31.32], [98.03, 30.97], [97.68, 30.82], [97.53, 30.47], [97.0, 30.25], [96.47, 30.47], [96.32, 30.82], [95.97, 30.97], [95.75, 31.5], [95.85, 31.75], [95.75, 32.0], [95.97, 32.53]]]]}, "2017-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 32.53], [97.0, 32.75], [97.53, 32.53], [97.75, 32.0], [97.65, 31.75], [97.75, 31.5], [97.53, 30.97], [97.0, 30.75], [96.47, 30.97], [96.25, 31.5], [96.35, 31.75], [96.25, 32.0], [96.47, 32.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.439769829850661}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.322087009968836}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-9.278942644182166, -8.463275577409604, -8.877666357654903, -8.276758612182618, -6.585067951974565, -7.91498261122058, -8.117495508022103, -4.972898296737014, -5.960782550475756, -8.394065560092884, -6.384204637576715, -5.910304239545098, -5.452789737405283, -6.92541568934746, -6.213555965133764, -6.8167238893861395, -7.051154428582095, -7.007171726327783, -7.188248811698486]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-8.768961386123067, -6.686140939214454, -7.367176993141015, -5.681018392552858, -4.432616938319086, -5.688262756340919, -6.181077067484125, -3.396409485221568, -4.1926967812303815, -6.576685188162685, -1.4310135895315739, -0.15337124873525454, -0.6644281850537368, -3.8493797955307514, -4.7872614746689806, -4.645271944423655, -4.428533751456655, -3.909045493342603, -5.62095075731321]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.632826236244512, 7.506169668651057, 6.990460929764436, 6.708272917299557, 7.526902578332291, 5.991256873833848, 5.291105423803846, 8.719303103673397, 7.88186689507959, 6.194745036331104, 7.186334605037424, 8.009140416371144, 8.284079314992653, 7.451547600503549, 7.586232661936208, 7.020127831022552, 6.891663752942526, 6.8600102914923395, 6.241502046136986]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.787745823958403, 9.061486402689809, 8.214619128672041, 8.054067080630375, 8.820236415070724, 7.264429790254155, 6.046904001244172, 9.355629414236603, 9.198085427778835, 7.002307663367787, 9.198490570019885, 10.767682204793573, 11.439769829850661, 10.172203589629987, 8.328887949053524, 9.213400183759006, 8.834760767047044, 8.838886866291773, 6.498289253467362]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6531200012796157, 1.9537533725556255, 1.8181921551002318, 1.7519472062838448, 1.9703190527150762, 1.5798749158113288, 1.3906118928904465, 2.2041709914473544, 1.9481368549534692, 1.4336992140161273, 1.7885886511876408, 1.9703777058295022, 2.054508573322805, 1.8197031085389526, 1.7150260292741877, 1.6940178193583222, 1.7098034216793883, 1.711733077177927, 1.4313166151034942]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.72883534012029, 2.095612596218838, 1.9256243718759027, 2.0329292673553048, 2.289581946196361, 1.7279227322574924, 1.5130812162002945, 2.3900081275515754, 2.187286118056985, 1.572162799818126, 2.31568503432158, 2.553153696718267, 2.6303843560573035, 2.2375024029821624, 1.8990611515915654, 2.0016910262238543, 1.9605234664135087, 1.9796642573663241, 1.4987320755966005]}}