{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:02.241391", "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": "2019-Jul-04_to_2019-Jul-16_124.0_-9.0"}, "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": 2019070000225}, "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 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 16 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 13}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 122180.93719173367}, "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": ["Indonesia", "Timor-Leste"]}, "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": ["Banda Sea", "Savu 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": -9.0}, "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": 124.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.88, -9.2], [123.47, -9.03], [123.25, -8.5], [123.47, -7.97], [124.0, -7.75], [124.25, -7.85], [124.32, -7.82], [124.47, -7.47], [125.0, -7.25], [125.53, -7.47], [125.68, -7.82], [125.75, -7.85], [126.0, -7.75], [126.25, -7.85], [126.5, -7.75], [126.75, -7.85], [127.0, -7.75], [127.53, -7.97], [127.75, -8.5], [127.53, -9.03], [127.0, -9.25], [126.75, -9.15], [126.5, -9.25], [126.25, -9.15], [126.18, -9.18], [126.03, -9.53], [125.68, -9.68], [125.53, -10.03], [125.18, -10.18], [125.03, -10.53], [124.5, -10.75], [123.97, -10.53], [123.75, -10.0], [123.85, -9.75], [123.75, -9.5], [123.88, -9.2]]]]}, "2019-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.25, -8.5], [118.47, -7.97], [119.0, -7.75], [119.53, -7.97], [119.68, -8.32], [119.75, -8.35], [120.0, -8.25], [120.25, -8.35], [120.5, -8.25], [120.75, -8.35], [121.0, -8.25], [121.25, -8.35], [121.5, -8.25], [121.75, -8.35], [122.0, -8.25], [122.25, -8.35], [122.32, -8.32], [122.35, -8.25], [122.25, -8.0], [122.47, -7.47], [123.0, -7.25], [123.25, -7.35], [123.32, -7.32], [123.47, -6.97], [124.0, -6.75], [124.25, -6.85], [124.5, -6.75], [125.03, -6.97], [125.18, -7.32], [125.53, -7.47], [125.68, -7.82], [125.75, -7.85], [126.0, -7.75], [126.25, -7.85], [126.5, -7.75], [126.75, -7.85], [127.0, -7.75], [127.53, -7.97], [127.75, -8.5], [127.53, -9.03], [127.0, -9.25], [126.75, -9.15], [126.5, -9.25], [126.25, -9.15], [126.18, -9.18], [126.03, -9.53], [125.68, -9.68], [125.53, -10.03], [125.18, -10.18], [125.03, -10.53], [124.5, -10.75], [123.97, -10.53], [123.82, -10.18], [123.75, -10.15], [123.5, -10.25], [123.25, -10.15], [123.0, -10.25], [122.75, -10.15], [122.5, -10.25], [121.97, -10.03], [121.82, -9.68], [121.75, -9.65], [121.5, -9.75], [121.25, -9.65], [121.13, -9.7], [121.25, -10.0], [121.03, -10.53], [120.5, -10.75], [119.97, -10.53], [119.82, -10.18], [119.47, -10.03], [119.32, -9.68], [118.97, -9.53], [118.82, -9.18], [118.47, -9.03], [118.25, -8.5]]]]}, "2019-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -9.03], [117.75, -8.5], [117.97, -7.97], [118.5, -7.75], [118.75, -7.85], [119.0, -7.75], [119.53, -7.97], [119.68, -8.32], [119.75, -8.35], [120.0, -8.25], [120.25, -8.35], [120.5, -8.25], [120.75, -8.35], [121.0, -8.25], [121.25, -8.35], [121.5, -8.25], [121.75, -8.35], [122.0, -8.25], [122.25, -8.35], [122.32, -8.32], [122.35, -8.25], [122.25, -8.0], [122.47, -7.47], [123.0, -7.25], [123.25, -7.35], [123.32, -7.32], [123.47, -6.97], [124.0, -6.75], [124.25, -6.85], [124.5, -6.75], [125.03, -6.97], [125.18, -7.32], [125.53, -7.47], [125.68, -7.82], [125.75, -7.85], [126.0, -7.75], [126.25, -7.85], [126.5, -7.75], [126.75, -7.85], [127.0, -7.75], [127.53, -7.97], [127.75, -8.5], [127.53, -9.03], [127.0, -9.25], [126.75, -9.15], [126.5, -9.25], [126.25, -9.15], [126.18, -9.18], [126.03, -9.53], [125.68, -9.68], [125.53, -10.03], [125.18, -10.18], [125.03, -10.53], [124.5, -10.75], [123.97, -10.53], [123.82, -10.18], [123.75, -10.15], [123.5, -10.25], [123.25, -10.15], [123.0, -10.25], [122.75, -10.15], [122.5, -10.25], [121.97, -10.03], [121.82, -9.68], [121.75, -9.65], [121.5, -9.75], [121.25, -9.65], [121.13, -9.7], [121.25, -10.0], [121.03, -10.53], [120.5, -10.75], [119.97, -10.53], [119.82, -10.18], [119.47, -10.03], [119.32, -9.68], [118.97, -9.53], [118.82, -9.18], [118.75, -9.15], [118.5, -9.25], [117.97, -9.03]]]]}, "2019-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -9.03], [117.75, -8.5], [117.97, -7.97], [118.5, -7.75], [118.75, -7.85], [119.0, -7.75], [119.53, -7.97], [119.68, -8.32], [119.75, -8.35], [120.0, -8.25], [120.25, -8.35], [120.5, -8.25], [120.75, -8.35], [121.0, -8.25], [121.25, -8.35], [121.5, -8.25], [121.75, -8.35], [122.0, -8.25], [122.25, -8.35], [122.32, -8.32], [122.35, -8.25], [122.25, -8.0], [122.47, -7.47], [123.0, -7.25], [123.25, -7.35], [123.32, -7.32], [123.47, -6.97], [124.0, -6.75], [124.25, -6.85], [124.5, -6.75], [125.03, -6.97], [125.18, -7.32], [125.53, -7.47], [125.68, -7.82], [126.03, -7.97], [126.25, -8.5], [126.03, -9.03], [125.68, -9.18], [125.53, -9.53], [125.0, -9.75], [124.75, -9.65], [124.68, -9.68], [124.53, -10.03], [124.0, -10.25], [123.75, -10.15], [123.5, -10.25], [123.25, -10.15], [123.0, -10.25], [122.75, -10.15], [122.5, -10.25], [121.97, -10.03], [121.82, -9.68], [121.75, -9.65], [121.5, -9.75], [121.25, -9.65], [121.13, -9.7], [121.25, -10.0], [121.03, -10.53], [120.5, -10.75], [119.97, -10.53], [119.82, -10.18], [119.47, -10.03], [119.32, -9.68], [118.97, -9.53], [118.82, -9.18], [118.75, -9.15], [118.5, -9.25], [117.97, -9.03]]]]}, "2019-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.75, -8.5], [117.97, -7.97], [118.5, -7.75], [119.03, -7.97], [119.2, -8.37], [119.5, -8.25], [119.75, -8.35], [120.0, -8.25], [120.25, -8.35], [120.5, -8.25], [121.0, -8.46], [121.5, -8.25], [122.03, -8.47], [122.25, -9.0], [122.03, -9.53], [121.5, -9.75], [121.0, -9.54], [120.5, -9.75], [120.25, -9.65], [120.0, -9.75], [119.75, -9.65], [119.5, -9.75], [118.97, -9.53], [118.8, -9.13], [118.5, -9.25], [117.97, -9.03], [117.75, -8.5]]], [[[122.97, -7.97], [123.5, -7.75], [123.75, -7.85], [124.0, -7.75], [124.53, -7.97], [124.75, -8.5], [124.65, -8.75], [124.75, -9.0], [124.53, -9.53], [124.0, -9.75], [123.47, -9.53], [123.32, -9.18], [122.97, -9.03], [122.75, -8.5], [122.97, -7.97]]]]}, "2019-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, -9.0], [118.97, -8.47], [119.5, -8.25], [119.75, -8.35], [120.0, -8.25], [120.53, -8.47], [120.75, -9.0], [120.53, -9.53], [120.0, -9.75], [119.75, -9.65], [119.5, -9.75], [118.97, -9.53], [118.75, -9.0]]], [[[123.47, -9.53], [123.25, -9.0], [123.47, -8.47], [124.0, -8.25], [124.53, -8.47], [124.75, -9.0], [124.53, -9.53], [124.0, -9.75], [123.47, -9.53]]]]}, "2019-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.0, -8.25], [124.53, -8.47], [124.75, -9.0], [124.53, -9.53], [124.0, -9.75], [123.47, -9.53], [123.25, -9.0], [123.47, -8.47], [124.0, -8.25]]]]}, "2019-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.0, -8.25], [124.53, -8.47], [124.75, -9.0], [124.53, -9.53], [124.18, -9.68], [124.03, -10.03], [123.5, -10.25], [122.97, -10.03], [122.75, -9.5], [122.97, -8.97], [123.32, -8.82], [123.47, -8.47], [124.0, -8.25]]]]}, "2019-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, -8.47], [123.5, -8.25], [123.75, -8.35], [124.0, -8.25], [124.53, -8.47], [124.75, -9.0], [124.53, -9.53], [124.18, -9.68], [124.03, -10.03], [123.5, -10.25], [122.97, -10.03], [122.75, -9.5], [122.85, -9.25], [122.75, -9.0], [122.97, -8.47]]]]}, "2019-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, -8.47], [123.5, -8.25], [123.75, -8.35], [124.0, -8.25], [124.53, -8.47], [124.75, -9.0], [124.53, -9.53], [124.18, -9.68], [124.03, -10.03], [123.5, -10.25], [122.97, -10.03], [122.75, -9.5], [122.85, -9.25], [122.75, -9.0], [122.97, -8.47]]]]}, "2019-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, -9.53], [122.75, -9.0], [122.97, -8.47], [123.5, -8.25], [123.75, -8.35], [124.0, -8.25], [124.53, -8.47], [124.75, -9.0], [124.53, -9.53], [124.0, -9.75], [123.75, -9.65], [123.5, -9.75], [122.97, -9.53]]]]}, "2019-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.5, -8.25], [124.03, -8.47], [124.25, -9.0], [124.03, -9.53], [123.5, -9.75], [122.97, -9.53], [122.75, -9.0], [122.97, -8.47], [123.5, -8.25]]]]}, "2019-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.5, -8.25], [124.03, -8.47], [124.25, -9.0], [124.03, -9.53], [123.5, -9.75], [122.97, -9.53], [122.75, -9.0], [122.97, -8.47], [123.5, -8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.284051073764715}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.06658735048407}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.797273827889114, 24.030165737802633, 23.926319028305443, 24.533271390041705, 24.588531248761797, 24.89273537516459, 25.5881203951663, 25.513252789360422, 25.430366048990322, 25.30570739529668, 25.343764759666556, 25.268856924088652, 25.29790281951682]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.675872633509243, 19.723343764541426, 19.346712638504528, 21.889958368669056, 23.863952824167654, 24.420089193141678, 25.5881203951663, 25.429615093245218, 25.33732799613682, 25.244155844043064, 25.219696142629857, 25.268856924088652, 25.29790281951682]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.1856872535680196, -1.095362453122885, -1.197315952399285, -1.0029410519421817, -0.9738873934838779, -0.8788892879144518, -0.7279638869413816, -0.7066559390978568, -0.6968543932146835, -0.8033979536958403, -0.760315932779065, -0.6875252622900803, -0.6398954016389666]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6910378463450115, -1.7963306355050008, -2.284051073764715, -1.7438131895667652, -1.0852926828642921, -0.9463553436396523, -0.7279638869413816, -0.7099252269966314, -0.7228662359619875, -0.9412495862449646, -0.7677075923429584, -0.6875252622900803, -0.6398954016389666]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5323556039930883, -1.6982079239023273, -1.83547696624297, -1.657497635453947, -1.5052007448967242, -1.3026477427033416, -1.1878747337067286, -1.2000535278267224, -1.225269585735803, -1.4633971435096893, -1.4268530914612234, -1.3527734205533957, -1.2670040288524662]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.047441812998338, -2.319701624140241, -2.606480865267187, -2.521836075600934, -1.678442267503302, -1.334521599788855, -1.1878747337067286, -1.230771080289127, -1.2873997565733, -1.6786769892668383, -1.4406314238661833, -1.3527734205533957, -1.2670040288524662]}}