{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:06.365573", "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-Jul-29_to_2012-Aug-05_135.0_36.5"}, "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": 2012070003137}, "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": "July 29 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 136039.14095054523}, "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": ["Japan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["Japan 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": 36.5}, "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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.25, 37.15], [135.32, 37.18], [135.47, 37.53], [136.0, 37.75], [136.53, 37.53], [136.75, 37.0], [136.53, 36.47], [136.18, 36.32], [136.03, 35.97], [135.5, 35.75], [135.25, 35.85], [135.18, 35.82], [135.03, 35.47], [134.5, 35.25], [133.97, 35.47], [133.75, 36.0], [133.97, 36.53], [134.32, 36.68], [134.47, 37.03], [135.0, 37.25], [135.25, 37.15]]], [[[136.97, 39.47], [136.75, 40.0], [136.97, 40.53], [137.5, 40.75], [138.03, 40.53], [138.25, 40.0], [138.03, 39.47], [137.5, 39.25], [136.97, 39.47]]]]}, "2012-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.5, 36.25], [132.8, 36.13], [132.85, 36.25], [132.75, 36.5], [132.97, 37.03], [133.32, 37.18], [133.35, 37.25], [133.25, 37.5], [133.47, 38.03], [133.82, 38.18], [133.97, 38.53], [134.5, 38.75], [135.03, 38.53], [135.25, 38.0], [135.15, 37.75], [135.2, 37.63], [135.5, 37.75], [135.75, 37.65], [135.82, 37.68], [135.97, 38.03], [136.32, 38.18], [136.35, 38.25], [136.25, 38.5], [136.35, 38.75], [136.25, 39.0], [136.35, 39.25], [136.25, 39.5], [136.35, 39.75], [136.25, 40.0], [136.47, 40.53], [137.0, 40.75], [137.25, 40.65], [137.5, 40.75], [138.03, 40.53], [138.2, 40.13], [138.5, 40.25], [139.03, 40.03], [139.25, 39.5], [139.15, 39.25], [139.25, 39.0], [139.03, 38.47], [138.68, 38.32], [138.53, 37.97], [138.0, 37.75], [137.75, 37.85], [137.68, 37.82], [137.53, 37.47], [137.18, 37.32], [137.03, 36.97], [136.68, 36.82], [136.53, 36.47], [136.18, 36.32], [136.03, 35.97], [135.68, 35.82], [135.53, 35.47], [135.18, 35.32], [135.03, 34.97], [134.5, 34.75], [134.25, 34.85], [134.0, 34.75], [133.47, 34.97], [133.32, 35.32], [133.2, 35.38], [133.15, 35.25], [133.25, 35.0], [133.03, 34.47], [132.5, 34.25], [132.25, 34.35], [132.0, 34.25], [131.47, 34.47], [131.25, 35.0], [131.47, 35.53], [131.82, 35.68], [131.97, 36.03], [132.5, 36.25]]]]}, "2012-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 34.47], [130.25, 35.0], [130.47, 35.53], [131.0, 35.75], [131.3, 35.63], [131.47, 36.03], [131.82, 36.18], [131.97, 36.53], [132.32, 36.68], [132.47, 37.03], [133.0, 37.25], [133.25, 37.15], [133.32, 37.18], [133.35, 37.25], [133.25, 37.5], [133.47, 38.03], [133.82, 38.18], [133.97, 38.53], [134.5, 38.75], [135.03, 38.53], [135.25, 38.0], [135.15, 37.75], [135.2, 37.63], [135.5, 37.75], [135.75, 37.65], [135.82, 37.68], [135.97, 38.03], [136.32, 38.18], [136.35, 38.25], [136.25, 38.5], [136.35, 38.75], [136.25, 39.0], [136.35, 39.25], [136.25, 39.5], [136.35, 39.75], [136.25, 40.0], [136.47, 40.53], [137.0, 40.75], [137.25, 40.65], [137.5, 40.75], [138.03, 40.53], [138.2, 40.13], [138.5, 40.25], [139.03, 40.03], [139.25, 39.5], [139.15, 39.25], [139.25, 39.0], [139.03, 38.47], [138.68, 38.32], [138.53, 37.97], [138.0, 37.75], [137.75, 37.85], [137.68, 37.82], [137.53, 37.47], [137.18, 37.32], [137.03, 36.97], [136.68, 36.82], [136.53, 36.47], [136.18, 36.32], [136.03, 35.97], [135.68, 35.82], [135.53, 35.47], [135.18, 35.32], [135.03, 34.97], [134.5, 34.75], [134.25, 34.85], [134.0, 34.75], [133.47, 34.97], [133.32, 35.32], [133.25, 35.35], [133.18, 35.32], [133.15, 35.25], [133.25, 35.0], [133.03, 34.47], [132.68, 34.32], [132.53, 33.97], [132.0, 33.75], [131.47, 33.97], [131.3, 34.38], [131.0, 34.25], [130.47, 34.47]]]]}, "2012-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.97, 37.03], [130.5, 37.25], [130.75, 37.15], [131.0, 37.25], [131.25, 37.15], [131.5, 37.25], [131.75, 37.15], [132.0, 37.25], [132.5, 37.04], [133.0, 37.25], [133.25, 37.15], [133.32, 37.18], [133.35, 37.25], [133.25, 37.5], [133.47, 38.03], [133.82, 38.18], [133.97, 38.53], [134.5, 38.75], [135.03, 38.53], [135.25, 38.0], [135.15, 37.75], [135.2, 37.63], [135.5, 37.75], [135.8, 37.63], [135.97, 38.03], [136.32, 38.18], [136.35, 38.25], [136.25, 38.5], [136.35, 38.75], [136.25, 39.0], [136.35, 39.25], [136.25, 39.5], [136.35, 39.75], [136.25, 40.0], [136.47, 40.53], [137.0, 40.75], [137.53, 40.53], [137.68, 40.18], [138.0, 40.04], [138.5, 40.25], [139.03, 40.03], [139.25, 39.5], [139.15, 39.25], [139.25, 39.0], [139.03, 38.47], [138.68, 38.32], [138.53, 37.97], [138.0, 37.75], [137.75, 37.85], [137.68, 37.82], [137.53, 37.47], [137.18, 37.32], [137.03, 36.97], [136.5, 36.75], [136.2, 36.88], [136.03, 36.47], [135.68, 36.32], [135.65, 36.25], [135.75, 36.0], [135.53, 35.47], [135.18, 35.32], [135.03, 34.97], [134.5, 34.75], [134.25, 34.85], [134.0, 34.75], [133.5, 34.96], [133.18, 34.82], [133.03, 34.47], [132.68, 34.32], [132.53, 33.97], [132.0, 33.75], [131.75, 33.85], [131.5, 33.75], [130.97, 33.97], [130.82, 34.32], [130.47, 34.47], [130.25, 35.0], [130.35, 35.25], [130.32, 35.32], [129.97, 35.47], [129.75, 36.0], [129.85, 36.25], [129.75, 36.5], [129.97, 37.03]]]]}, "2012-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.97, 37.03], [130.5, 37.25], [130.75, 37.15], [131.0, 37.25], [131.25, 37.15], [131.5, 37.25], [131.75, 37.15], [132.0, 37.25], [132.5, 37.04], [133.0, 37.25], [133.25, 37.15], [133.38, 37.2], [133.25, 37.5], [133.47, 38.03], [133.82, 38.18], [133.97, 38.53], [134.5, 38.75], [135.03, 38.53], [135.25, 38.0], [135.07, 37.57], [135.5, 37.75], [136.03, 37.53], [136.18, 37.18], [136.53, 37.03], [136.75, 36.5], [136.53, 35.97], [136.0, 35.75], [135.75, 35.85], [135.68, 35.82], [135.53, 35.47], [135.0, 35.25], [134.7, 35.38], [134.53, 34.97], [134.0, 34.75], [133.5, 34.96], [133.18, 34.82], [133.03, 34.47], [132.68, 34.32], [132.53, 33.97], [132.0, 33.75], [131.75, 33.85], [131.5, 33.75], [130.97, 33.97], [130.82, 34.32], [130.47, 34.47], [130.25, 35.0], [130.35, 35.25], [130.32, 35.32], [129.97, 35.47], [129.75, 36.0], [129.85, 36.25], [129.75, 36.5], [129.97, 37.03]]]]}, "2012-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.97, 37.03], [130.5, 37.25], [130.75, 37.15], [131.0, 37.25], [131.25, 37.15], [131.5, 37.25], [131.75, 37.15], [132.0, 37.25], [132.5, 37.04], [133.0, 37.25], [133.53, 37.03], [133.68, 36.68], [133.75, 36.65], [133.82, 36.68], [133.97, 37.03], [134.5, 37.25], [134.75, 37.15], [135.0, 37.25], [135.25, 37.15], [135.5, 37.25], [135.75, 37.15], [136.0, 37.25], [136.53, 37.03], [136.75, 36.5], [136.53, 35.97], [136.0, 35.75], [135.75, 35.85], [135.68, 35.82], [135.53, 35.47], [135.0, 35.25], [134.7, 35.38], [134.53, 34.97], [134.0, 34.75], [133.5, 34.96], [133.18, 34.82], [133.03, 34.47], [132.68, 34.32], [132.53, 33.97], [132.0, 33.75], [131.75, 33.85], [131.5, 33.75], [130.97, 33.97], [130.75, 34.5], [130.85, 34.75], [130.82, 34.82], [130.47, 34.97], [130.32, 35.32], [129.97, 35.47], [129.75, 36.0], [129.85, 36.25], [129.75, 36.5], [129.97, 37.03]]]]}, "2012-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.97, 37.03], [130.5, 37.25], [130.75, 37.15], [131.0, 37.25], [131.25, 37.15], [131.5, 37.25], [131.75, 37.15], [132.0, 37.25], [132.5, 37.04], [133.0, 37.25], [133.53, 37.03], [133.68, 36.68], [133.75, 36.65], [133.82, 36.68], [133.97, 37.03], [134.5, 37.25], [134.75, 37.15], [135.0, 37.25], [135.25, 37.15], [135.5, 37.25], [135.75, 37.15], [136.0, 37.25], [136.53, 37.03], [136.75, 36.5], [136.53, 35.97], [136.0, 35.75], [135.75, 35.85], [135.5, 35.75], [135.25, 35.85], [135.0, 35.75], [134.75, 35.85], [134.68, 35.82], [134.65, 35.75], [134.75, 35.5], [134.53, 34.97], [134.0, 34.75], [133.5, 34.96], [133.18, 34.82], [133.03, 34.47], [132.68, 34.32], [132.53, 33.97], [132.0, 33.75], [131.75, 33.85], [131.5, 33.75], [130.97, 33.97], [130.75, 34.5], [130.85, 34.75], [130.82, 34.82], [130.47, 34.97], [130.32, 35.32], [129.97, 35.47], [129.75, 36.0], [129.85, 36.25], [129.75, 36.5], [129.97, 37.03]]]]}, "2012-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.97, 37.03], [130.5, 37.25], [130.75, 37.15], [131.0, 37.25], [131.25, 37.15], [131.5, 37.25], [131.75, 37.15], [132.0, 37.25], [132.5, 37.04], [133.0, 37.25], [133.53, 37.03], [133.68, 36.68], [133.75, 36.65], [133.82, 36.68], [133.97, 37.03], [134.5, 37.25], [134.75, 37.15], [135.0, 37.25], [135.25, 37.15], [135.5, 37.25], [135.75, 37.15], [136.0, 37.25], [136.53, 37.03], [136.75, 36.5], [136.53, 35.97], [136.0, 35.75], [135.75, 35.85], [135.5, 35.75], [135.25, 35.85], [135.0, 35.75], [134.75, 35.85], [134.68, 35.82], [134.65, 35.75], [134.75, 35.5], [134.53, 34.97], [134.0, 34.75], [133.5, 34.96], [133.18, 34.82], [133.03, 34.47], [132.5, 34.25], [132.25, 34.35], [132.18, 34.32], [132.03, 33.97], [131.5, 33.75], [130.97, 33.97], [130.75, 34.5], [130.85, 34.75], [130.82, 34.82], [130.47, 34.97], [130.32, 35.32], [129.97, 35.47], [129.75, 36.0], [129.85, 36.25], [129.75, 36.5], [129.97, 37.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3731693584842333}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.127571968648544}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.338265025305702, 27.93952444616008, 27.735065325313826, 27.87256397612765, 28.272929708860943, 28.368794623045574, 28.564976729031173, 28.584278873704136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.1540103521084, 29.51792958861546, 29.13849533117576, 30.772071985585114, 30.234596519221327, 30.298913387848756, 31.07972517818945, 30.07626523951336]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.858290429528165, 2.527908438504273, 2.128034951830718, 2.081126944674297, 2.0256377875958202, 1.9668961811144856, 2.1163504079536466, 2.065637791563787]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.11673974337333, 3.3731693584842333, 2.8707948310756137, 3.0402918548709295, 2.5195899696313973, 2.42755158894073, 3.191443486772755, 2.467517559501289]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.255057556260637, 1.5818650236756875, 1.2984512881851766, 1.2648592694936076, 1.2643986394297217, 1.2322672111202082, 1.3064483172267753, 1.2878130823207503]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3535043461346807, 1.9209005561800294, 1.7645357059828533, 1.7553018118861619, 1.5300181807663629, 1.3964771324978555, 1.7998499964498387, 1.4293223699102218]}}