Update hail data documentation and section titles

Author: mchaamsler

docs/c-climate-data/c5-radar-based-climate-data.md

@@ -2,7 +2,7 @@
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-# Radar-based spatial climate data – Hail
+# Spatial climate analyses – Hail
 
 These grid data products are derived from radar data, which were [further processed for statistical statements with the use of the HailStoRe resampling approach](https://www.meteoswiss.admin.ch/climate/the-climate-of-switzerland/hail-climatology/data-and-methods.html), among other things (for more see the linked detailed product documentations). 
 
@@ -18,7 +18,7 @@ The following data are planned to be made available in 2025:
 - Monthly and Yearly radar-based Number of Hail Days with Hail >2cm *[Link to a detailed product documentation]*
 - Monthly and Yearly radar-based Number of Hail Days with Hail >4cm *[Link to a detailed product documentation]*
 
-## Data download {#data-download}
+## Data download {#data-download}
 
 The following data files are **in discussion to be processed**:
 
@@ -61,14 +61,15 @@ The following data files are **in discussion to be processed**:
 
 <!-- alle stdM, /Y weglassen -->
 
-## Data format {#data-format}
+## Data format {#data-format}
 
 The data format is [`NetCDF`](https://www.unidata.ucar.edu/software/netcdf/) <!-- with an estimated volume of ... MB per file --> .
 
-## Coordinate system {#coordinate-system}
+## Coordinate system {#coordinate-system}
 
 The coordinate system is [`Swiss LV95`](https://www.swisstopo.admin.ch/en/the-swiss-coordinates-system) / [`EPSG:2056`](https://epsg.io/2056). 
 
-## Data usage {#data-usage}
+## Data usage {#data-usage}
 
 Follows.
+