<?xml version="1.0" ?>
<konrad3d data_model_name="KONRAD3D" data_model_version="1.7">
	<head>
		<metadata>
			<reference_time format="ISO 8601">2026-05-20T09:40:00Z</reference_time>
			<ensemble_member_id>0</ensemble_member_id>
		</metadata>
		<product>
			<system>KONRAD3D</system>
			<title>Detection and tracking of convective cells at DWD</title>
			<creation-date>2026-05-20T09:44:37Z</creation-date>
			<run>
				<name>konrad3d_1.8</name>
				<description>KONRAD3D 1.8 Operational</description>
				<ensemble_member_id>0</ensemble_member_id>
			</run>
			<source>
				<server>k3d_op1</server>
				<software-version>POLARA_konrad3d_1.8.005</software-version>
			</source>
			<associated_grid_projection>
				<polara_grid_id>DE4800_WGS84</polara_grid_id>
				<projection_type>polar_stereographic</projection_type>
				<earth_axes unit="m">
					<major_axis>6378137</major_axis>
					<minor_axis>6356752</minor_axis>
				</earth_axes>
				<grid_resolution unit="m">
					<vertical>250</vertical>
					<horizontal>250</horizontal>
				</grid_resolution>
				<grid_size unit="pixel_in_projection">
					<row>4800.000</row>
					<column>4400.000</column>
				</grid_size>
				<projection_origin unit="degrees">
					<latitude>90.00000</latitude>
					<longitude>10.00000</longitude>
				</projection_origin>
				<latitude_of_true_scale unit="degrees">60.00000</latitude_of_true_scale>
				<distance_upper_left_corner_to_projection_origin unit="m">
					<x0_offset>-543697</x0_offset>
					<y0_offset>-3622089</y0_offset>
				</distance_upper_left_corner_to_projection_origin>
				<proj4_init_string>+proj=stere +lat_0=90 +lat_ts=60 +lon_0=10 +a=6378137 +b=6356752.3142451802 +no_defs +x_0=543571.83521776402 +y_0=3622213.8619310022</proj4_init_string>
				<projected_area unit="degrees">
					<upper_left_corner>55.86209 1.46330</upper_left_corner>
					<upper_right_corner>55.84544 18.73162</upper_right_corner>
					<lower_left_corner>45.69643 3.56699</lower_left_corner>
					<lower_right_corner>45.68461 16.58087</lower_right_corner>
				</projected_area>
			</associated_grid_projection>
		</product>
		<data>
			<radar>
				<source>Zh</source>
				<type>quality assured radar data</type>
				<init_time>20260520_0940</init_time>
				<available_sweeps>
					<elevations site="asb">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="boo">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="drs">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="eis">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="ess">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="fbg">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="fld">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="hnr">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="isn">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="mem">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="neu">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="nhb">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="oft">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="pro">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="ros">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="tur">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="umd">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
				</available_sweeps>
			</radar>
		</data>
	</head>
	<cells reference_time="2026-05-20T09:40:00Z" ensemble_member_id="0">
		<feature identifier="8" type="3D_reflectivity_feature">
			<metadata>
				<identifier>8</identifier>
				<code>2026052009150000000001</code>
				<reference_time format="ISO 8601">2026-05-20T09:40:00Z</reference_time>
				<dimension>3</dimension>
				<number_2D_features>9</number_2D_features>
				<contributing_sweeps>
					<elevations site="asb">0.8 5.5 4.5 3.5 2.5 1.5 0.5 8.0 12.0</elevations>
				</contributing_sweeps>
			</metadata>
			<geometry>
				<covered_area unit="km^2">23.000000</covered_area>
				<area_growth_rate>0.60</area_growth_rate>
				<centroid_3d>
					<geodetic_coordinate>
						<latitude unit="degrees">53.64443</latitude>
						<longitude unit="degrees">6.80789</longitude>
						<height_msl unit="m">794</height_msl>
					</geodetic_coordinate>
					<uncertainty_ellipse>
						<major_axis unit="km">0.518</major_axis>
						<minor_axis unit="km">0.377</minor_axis>
						<angle unit="degrees">55.69</angle>
					</uncertainty_ellipse>
				</centroid_3d>
				<echo_top_msl unit="m">2414</echo_top_msl>
				<echo_bottom_msl unit="m">47</echo_bottom_msl>
				<vertical_extent unit="m">2367</vertical_extent>
				<volume unit="km^3">18.906250000</volume>
				<polygons_projected>
					<geodetic_coordinates>
						<polygon no="0" unit="degrees">
							<latitudes>53.67014 53.66785 53.66773 53.66085 53.66073 53.65844 53.65832 53.64915 53.64698 53.64468 53.63601 53.63396 53.62528 53.62118 53.62216 53.62674 53.62686 53.62903 53.64048 53.64072 53.64301 53.64313 53.64542 53.65627 53.66242 53.66194 53.66604 53.66821 53.67026</latitudes>
							<longitudes>6.80914 6.80569 6.80204 6.79169 6.78803 6.78459 6.78093 6.76715 6.76735 6.76391 6.76473 6.76859 6.76941 6.77712 6.80632 6.81321 6.81686 6.81666 6.83390 6.84120 6.84465 6.84831 6.85176 6.85075 6.83919 6.82457 6.81686 6.81665 6.81280</longitudes>
						</polygon>
					</geodetic_coordinates>
				</polygons_projected>
				<ground_elevation_of_cell_position unit="m">1</ground_elevation_of_cell_position>
				<accumulated_elevation_change unit="m">1</accumulated_elevation_change>
				<number_adjacent_cells_depending_on_range>
					<number_adjacent_cells range="4.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="8.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="12.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="16.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="20.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="2000.000 km">0</number_adjacent_cells>
				</number_adjacent_cells_depending_on_range>
			</geometry>
			<intensity>
				<severity unit="severity_points">0</severity>
				<severity_decimal unit="severity_points">0.28</severity_decimal>
				<severity_unconsolidated unit="severity_points">0</severity_unconsolidated>
				<severity_decimal_unconsolidated unit="severity_points">0.28</severity_decimal_unconsolidated>
				<area_of_projected_polygon_above_threshold unit="km^2">
					<area_of_projected_polygon threshold="30 dBZ">23.000000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="35 dBZ">23.000000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="40 dBZ">23.000000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="45 dBZ">22.875000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="50 dBZ">17.062500</area_of_projected_polygon>
					<area_of_projected_polygon threshold="55 dBZ">8.625000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="60 dBZ">0.187500</area_of_projected_polygon>
					<area_of_projected_polygon threshold="65 dBZ">0.000000</area_of_projected_polygon>
				</area_of_projected_polygon_above_threshold>
				<area_above_50_dBZ_ratio>0.74</area_above_50_dBZ_ratio>
				<area_above_55_dBZ_ratio>0.38</area_above_55_dBZ_ratio>
				<echo_top_threshold unit="m">
					<echo_top threshold="30 dBZ">2414</echo_top>
					<echo_top threshold="35 dBZ">2414</echo_top>
					<echo_top threshold="40 dBZ">2414</echo_top>
					<echo_top threshold="45 dBZ">2414</echo_top>
					<echo_top threshold="50 dBZ">2360</echo_top>
					<echo_top threshold="55 dBZ">2360</echo_top>
					<echo_top threshold="60 dBZ">838</echo_top>
					<echo_top threshold="65 dBZ">0</echo_top>
				</echo_top_threshold>
				<volume_above_threshold unit="km^3">
					<volume threshold="30 dBZ">18.906250000</volume>
					<volume threshold="35 dBZ">18.906250000</volume>
					<volume threshold="40 dBZ">18.906250000</volume>
					<volume threshold="45 dBZ">18.828125000</volume>
					<volume threshold="50 dBZ">11.093750000</volume>
					<volume threshold="55 dBZ">2.953125000</volume>
					<volume threshold="60 dBZ">0.031250000</volume>
					<volume threshold="65 dBZ">0.000000000</volume>
				</volume_above_threshold>
				<volume_above_50_dBZ_ratio>0.59</volume_above_50_dBZ_ratio>
				<volume_above_55_dBZ_ratio>0.16</volume_above_55_dBZ_ratio>
				<blue_chimney_mean_vertical_extent unit="m">342</blue_chimney_mean_vertical_extent>
				<hail_flag>0</hail_flag>
				<heavy_rain_flag>0</heavy_rain_flag>
				<gust_flag>0</gust_flag>
				<gust_flag_without_mesocyclones>0</gust_flag_without_mesocyclones>
				<maximum_estimated_wind_gust unit="km/h">53.156</maximum_estimated_wind_gust>
				<cell_based_VIL unit="kg/m^2">6.652</cell_based_VIL>
				<cell_based_VIL_density unit="g/m^3">2.755</cell_based_VIL_density>
				<cell_based_VII unit="kg/m^2">0.000</cell_based_VII>
				<cell_based_VII_density unit="g/m^3">0.000</cell_based_VII_density>
				<mass unit="db(km^3.z)">155.399</mass>
				<min_value unit="dBZ">44.84</min_value>
				<max_value unit="dBZ">60.76</max_value>
				<average_value unit="dBZ">52.63</average_value>
				<heavy_rain_potential unit="mm">6.64</heavy_rain_potential>
				<heavy_rain_potential_accumulation_time unit="min">60</heavy_rain_potential_accumulation_time>
				<heavy_rain_potential_quality>2</heavy_rain_potential_quality>
				<number_pixels>1468</number_pixels>
				<trends>
					<severity_trend unit="severity_points/5min">-0.155</severity_trend>
					<severity_trend_category unit="severity_trend_category">0</severity_trend_category>
					<cell_based_VIL_trend unit="(kg/m^2)/5min">-1.89</cell_based_VIL_trend>
					<max_value_trend unit="dBZ/5min">-3.86</max_value_trend>
					<area_of_projected_polygon_above_45_dBZ_trend unit="km^2/5min">-15.125</area_of_projected_polygon_above_45_dBZ_trend>
					<echo_top_45_dBZ_trend unit="m/5min">-251</echo_top_45_dBZ_trend>
					<mass_trend unit="db(km^3.z)/5min">-2.404</mass_trend>
				</trends>
			</intensity>
			<hymec>
				<maximum_near_ground_class>3</maximum_near_ground_class>
				<echo_top_rain_hail unit="m">-1000000000</echo_top_rain_hail>
				<echo_top_hail unit="m">-1000000000</echo_top_hail>
				<echo_top_large_hail unit="m">-1000000000</echo_top_large_hail>
				<echo_top_hail_total unit="m">-1000000000</echo_top_hail_total>
				<echo_bottom_rain_hail unit="m">-1000000000</echo_bottom_rain_hail>
				<echo_bottom_hail unit="m">-1000000000</echo_bottom_hail>
				<echo_bottom_large_hail unit="m">-1000000000</echo_bottom_large_hail>
				<echo_bottom_hail_total unit="m">-1000000000</echo_bottom_hail_total>
				<area_rain_hail unit="km^2">0.000000</area_rain_hail>
				<area_hail unit="km^2">0.000000</area_hail>
				<area_large_hail unit="km^2">0.000000</area_large_hail>
				<area_hail_total unit="km^2">0.000000</area_hail_total>
				<volume_rain_hail unit="km^3">0.000000000</volume_rain_hail>
				<volume_hail unit="km^3">0.000000000</volume_hail>
				<volume_large_hail unit="km^3">0.000000000</volume_large_hail>
				<volume_hail_total unit="km^3">0.000000000</volume_hail_total>
			</hymec>
			<nwp_model>
				<nwp_model_name>ICON-EU</nwp_model_name>
				<nwp_init_time format="ISO 8601">2026-05-20T06:00:00Z</nwp_init_time>
				<nwp_dcape unit="J/kg">23</nwp_dcape>
				<nwp_mu_cape unit="J/kg">82</nwp_mu_cape>
				<nwp_mu_cin unit="J/kg">-1</nwp_mu_cin>
				<nwp_mu_lcl_hgt unit="m">407</nwp_mu_lcl_hgt>
				<nwp_mu_lfc_hgt unit="m">420</nwp_mu_lfc_hgt>
				<nwp_mu_el_hgt unit="m">4850</nwp_mu_el_hgt>
				<nwp_lr_500800hPa unit="K/km">-6.624</nwp_lr_500800hPa>
				<nwp_prcp_water unit="kg/m^2">21</nwp_prcp_water>
				<nwp_bs_01km unit="m/s">5.835</nwp_bs_01km>
				<nwp_bs_06km unit="m/s">11.319</nwp_bs_06km>
				<nwp_bs_eff_mu unit="m/s">7.278</nwp_bs_eff_mu>
				<nwp_srh_1km_lm unit="m^2 s^-2">-42.965</nwp_srh_1km_lm>
				<nwp_srh_3km_lm unit="m^2 s^-2">-64.605</nwp_srh_3km_lm>
				<nwp_srh_1km_rm unit="m^2 s^-2">42.738</nwp_srh_1km_rm>
				<nwp_srh_3km_rm unit="m^2 s^-2">61.943</nwp_srh_3km_rm>
			</nwp_model>
			<lightning>
				<lightning_rate unit="strokes/5min">0</lightning_rate>
				<lightning_density unit="strokes/(5min*km^2)">0.000</lightning_density>
				<lightning_rate_history unit="strokes/5min">0 0 0</lightning_rate_history>
				<reference_time_last_lightning_jump format="ISO 8601">not-a-date-time</reference_time_last_lightning_jump>
				<seconds_since_last_lightning_jump>-1000000000</seconds_since_last_lightning_jump>
				<number_detected_lightning_jumps>0</number_detected_lightning_jumps>
			</lightning>
			<mesocyclone>
				<mesocyclone_severity_index unit="severity_points">0</mesocyclone_severity_index>
				<mesocyclone_severity_index_history unit="severity_points">0 0 0</mesocyclone_severity_index_history>
				<mesocyclone_diameter_equivalent unit="km">-1000000000.000</mesocyclone_diameter_equivalent>
				<mesocyclone_height_top unit="m">-1000000000</mesocyclone_height_top>
				<mesocyclone_height_base unit="m">-1000000000</mesocyclone_height_base>
				<mesocyclone_velocity_rotational_max unit="m/s">-1000000000.000</mesocyclone_velocity_rotational_max>
				<reference_time_last_mesocyclone format="ISO 8601">not-a-date-time</reference_time_last_mesocyclone>
				<seconds_since_last_mesocyclone>-1000000000</seconds_since_last_mesocyclone>
				<number_assigned_mesocyclones>0</number_assigned_mesocyclones>
			</mesocyclone>
			<satellite>
				<cloud_top_height unit="m">-1000000000</cloud_top_height>
			</satellite>
			<tracking>
				<reference_time_first_detection format="ISO 8601">2026-05-20T09:15:00Z</reference_time_first_detection>
				<number_detections>6</number_detections>
				<mergers>
					<merge_event>false</merge_event>
					<reference_time_last_merge format="ISO 8601">2026-05-20T09:30:00Z</reference_time_last_merge>
					<number_merge_events_along_track>1</number_merge_events_along_track>
				</mergers>
				<splits>
					<split_event>false</split_event>
					<reference_time_last_split format="ISO 8601">not-a-date-time</reference_time_last_split>
					<number_split_events_along_track>0</number_split_events_along_track>
				</splits>
				<predecessors>
					<predecessor>
						<identifier>8</identifier>
						<code>2026052009150000000001</code>
						<time format="ISO 8601">2026-05-20T09:35:00Z</time>
						<probability unit="%">100.00</probability>
					</predecessor>
				</predecessors>
				<cell_speed unit="km/h">53.156</cell_speed>
			</tracking>
			<forecast>
				<centroid_forecasts>
					<centroid_forecast forecast_time="2026-05-20T09:45:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.66526</latitude>
							<longitude unit="degrees">6.86241</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">1.171</major_axis>
							<minor_axis unit="km">0.913</minor_axis>
							<angle unit="degrees">104.68</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T09:50:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.68605</latitude>
							<longitude unit="degrees">6.91699</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">2.722</major_axis>
							<minor_axis unit="km">2.288</minor_axis>
							<angle unit="degrees">109.80</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T09:55:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.70679</latitude>
							<longitude unit="degrees">6.97164</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">4.946</major_axis>
							<minor_axis unit="km">4.424</minor_axis>
							<angle unit="degrees">110.78</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:00:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.72750</latitude>
							<longitude unit="degrees">7.02635</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">7.660</major_axis>
							<minor_axis unit="km">7.071</minor_axis>
							<angle unit="degrees">111.14</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:05:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.74816</latitude>
							<longitude unit="degrees">7.08112</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">10.781</major_axis>
							<minor_axis unit="km">10.133</minor_axis>
							<angle unit="degrees">111.32</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:10:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.76879</latitude>
							<longitude unit="degrees">7.13595</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">14.258</major_axis>
							<minor_axis unit="km">13.556</minor_axis>
							<angle unit="degrees">111.42</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:15:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.78937</latitude>
							<longitude unit="degrees">7.19085</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">18.056</major_axis>
							<minor_axis unit="km">17.306</minor_axis>
							<angle unit="degrees">111.48</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:20:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.80991</latitude>
							<longitude unit="degrees">7.24581</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">22.150</major_axis>
							<minor_axis unit="km">21.354</minor_axis>
							<angle unit="degrees">111.52</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:25:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.83042</latitude>
							<longitude unit="degrees">7.30084</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">26.520</major_axis>
							<minor_axis unit="km">25.680</minor_axis>
							<angle unit="degrees">111.55</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:30:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.85088</latitude>
							<longitude unit="degrees">7.35592</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">31.149</major_axis>
							<minor_axis unit="km">30.268</minor_axis>
							<angle unit="degrees">111.57</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:35:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.87129</latitude>
							<longitude unit="degrees">7.41107</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">36.023</major_axis>
							<minor_axis unit="km">35.103</minor_axis>
							<angle unit="degrees">111.59</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-05-20T10:40:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">53.89167</latitude>
							<longitude unit="degrees">7.46628</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">41.131</major_axis>
							<minor_axis unit="km">40.173</minor_axis>
							<angle unit="degrees">111.60</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
				</centroid_forecasts>
			</forecast>
		</feature>
	</cells>
</konrad3d>