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Surface Pressure Charts

These charts show the surface pressure pattern using isobars (lines of equal pressure) and indicate areas of high (H) and low pressure (L) along with their central pressure value. Isobars are...

WFD Surface Water Management Catchments Cycle 2

This record is for Approval for Access product AfA433. WFD Management Catchments Cycle 2 is a polygon Shapefile dataset collated as defined for the implementation of the Water Framework Directive...

Risk of Flooding from Surface Water Hazard: 1 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the flood hazard rating for flooding from surface water that could result from a flood with...

Risk of Flooding from Surface Water Extent: 1 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the extent of flooding from surface water that could result from a flood with a 1% chance...

LIDAR terrain and surfaces models Wales

This dataset shows the extent of data in each individual tile that went into the merging process to create the LIDAR Composite DSM & DTM. Light Detection and Ranging (LIDAR) is an airborne...

Risk of Flooding from Surface Water Input Model Details

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing information about the modelling used at that location. Including whether local outputs were...

Evidence review of factors contributing to surface water flooding from section 19 Lead Local Flood Authority reports

The purpose of the section 19 reports review is to complement the evaluation of the arrangements for managing local flood risk commissioned by Defra which is now complete, and to inform Defra’s...

Surface Water Bodies with 2015 status

Northern Ireland Surface Water Bodies (river, lakes, coastal and transitional) submitted as part of WFD reporting 2016. This file also contains the 2015 overall water body status reported in the...

Drinking Water Protected Areas (Surface)

The Drinking Water Protected Area (DWPA) (Surface water) dataset represents the individual surface water water bodies in Scotland. These have been defined by the Scottish Environment Protection...

Risk of Flooding from Surface Water Speed: 3.3 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the maximum speed of flood flow from surface water that could result from a flood with a...

Risk of Flooding from Surface Water Extent: 3.3 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the extent of flooding from surface water that could result from a flood with a 3.3% chance...

Risk of Flooding from Surface Water Extent: 0.1 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the extent of flooding from surface water that could result from a flood with a 0.1% chance...

Risk of Flooding from Surface Water Hazard: 0.1 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the flood hazard rating for flooding from surface water that could result from a flood with...

Risk of Flooding from Surface Water Depth: 0.1 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the maximum depth of flooding from surface water that could result from a flood with a...

Surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a data from Grasmere, 1968 to 2013

This is a long-term monitoring dataset of surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a from weekly to fortnightly sampling at Grasmere in...

Risk of Flooding from Surface Water Speed: 0.1 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the speed of flood flow from surface water that could result from a flood with a 0.1%...

Risk of Flooding from Surface Water Depth: 3.3 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the maximum depth of flooding from surface water that could result from a flood with a...

WFD River, Canal and Surface Water Transfer Waterbodies Cycle 2

This dataset is a GIS layer identifying the river waterbodies managed under the Water Framework Directive and any related programmes. This includes canals and surface water transfers which are...

Risk of Flooding from Surface Water Direction (2m): 3.3 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the dominant flow direction of flooding from surface water, at maximum speed, that could...

Risk of Flooding from Surface Water Direction (25m): 3.3 percent annual chance

This dataset is not suitable for identifying whether an individual property will flood. GIS layer showing the dominant flow direction of flooding from surface water, at maximum speed, that could...