WP2 : Fine-scale rainfall data acquisition and prediction : Objective: develop and implement a system for estimation and forecasting of fine-scale (100m, minutes) rainfall •Rainfall estimation : combining data from radars (X & C-band) and rain gauges •Rainfall forecasting : combining with numerical weather prediction implement and test for pilot sites (Leuven, Paris, Rotterdam, London) applicable for urban areas of North-West Europe: guidelines, demonstrations, training, …
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WP2 : Fine-scale rainfall data acquisition and prediction :
Objective: develop and implement a system for estimation and forecasting of fine-scale (100m, minutes) rainfall•Rainfall estimation: combining data from radars (X & C-band) and rain gauges•Rainfall forecasting: combining with numerical weather prediction
implement and test for pilot sites (Leuven, Paris, Rotterdam, London)applicable for urban areas of North-West Europe: guidelines, demonstrations, training, …
WP2 : Fine-scale rainfall data acquisition and prediction :
Applications (see WP3, WP4):
•Rainfall estimation: enable city water managers to develop reliable urban water strategies, including plans for urban flood prevention and pollution management•Rainfall forecasting: allow local city managers to forecast, warn about and control urban pluvial impacts at street level in real time
WP2 : Fine-scale rainfall data acquisition and prediction :
Actions:
Output: Report on methods for
fine-scale rainfall
estimation
Output: Rainfall
estimates for storms
in pilot sites
Output: Manuals for developed
technology + training
Output: Report on
methods for fine-scale
rainfall forecasting
WP2
A5 Workshop on radar
technology, calibration and
rainfall estimation
A6 Rainfall
estimation in pilot
sites
A8 Implementation
and testing of rainfall
forecasting in pilot sites
A7 Workshop on rainfall forecasting
A9 Writing guidelines,
manuals and training material
Output: Operational system for
rainfall forecasting in
pilot sites
WP2 : Fine-scale rainfall data acquisition and prediction :
Actions:
WP2 A5 & A6: Rainfall estimation•A5: Leuven workshop on radar technology, calibration and rainfall estimation (M3)
Outcome: recommended methods for fine-scale rainfall estimation
•A6: rainfall estimation in pilot sitesOutcomes: fine-scale rainfall estimates for recent storms in pilot sites
+ comparison with traditional rainfall estimates (without radar)
WP2 : Fine-scale rainfall data acquisition and prediction :
Actions:
WP2 A5 & A6: Rainfall estimation
Subtopics addressed:•Radar calibration and adjustment based on rain gauge data•Different calibration/adjustment methods•Comparison & integration of fine-scale (X-band, city scale; super-resolution C-band) with rain gauge and coarser (NWE-scale) C-band radar data•Rainfall estimation error/uncertainty analysis•Interfacing with the applications in WP3 & WP4
WP2 : Fine-scale rainfall data acquisition and prediction :
Actions:
WP2 A7 & A8: Rainfall forecasting•A7: London workshop on rainfall forecasting (M6)
Outcome: recommended methods for fine-scale rainfall forecasting
•A8: implementation for pilot sitesOutcomes: operational system for fine-scale rainfall forecasting in
pilot sites + results for min. 10 extreme storms
WP2 : Fine-scale rainfall data acquisition and prediction :
Subtopics addressed:•Combination of (fine and coarse scale) radar data with Numerical Weather Prediction (provided by national meteo services)•Use of lightning detection data•Advective-statistical forecast model•Spatial and temporal downscaling•Error/uncertainty estimation in function of forecast lead time / probabilistic forecasts•Interfacing with the applications in WP3 & WP4
WP2 : Fine-scale rainfall data acquisition and prediction :
Actions:
WP2 A9: GuidelinesOutcome: reference and user’s manuals on developed technologies
for rainfall estimation and forecastingTraining and dissemination during National Observer Meetings
WP2: Fine-scale rainfall data acquisition and prediction:
Timing:
WP2 A5: rainfall estimation workshop Leuven: autumn 2012WP2 A6: autumn 2012 – spring 2014: all pilot sitesWP2 A7: rainfall forecasting workshop London: spring 2014WP2 A8: spring 2014 – spring 2015: all pilot sitesWP2 A9: once a year: National Observer Meetings
WP2: Fine-scale rainfall data acquisition and prediction:
Workshop participants:
workshop Leuven: about 20 radar expertsworkshop London: about 20 radar + NWP experts local workshops pilot sites: about 20 end users: city flood
managers, water managers, consultants and industrial partners
Leuven
Brussels
10 km
Leuven case
Aquafin &K.U.Leuven
X-band radar installed since 2008 City LAWR (DHI) Site selection based
on clutter tests Experience with calibration
Other fine-scale radar projects in Europe
Denmark:
X-band LAWR radar Aalborg Comparison of different calibration procedures (incl. dynamic calibration) Impact on urban drainage
Other fine-scale radar projects in Europe
France – Lyon:
C-band radar located in the close vicinity Rain gauges vs. radar Study of intense rain cells Impact on urban drainage
Other fine-scale radar projects in Europe
France – Southern Alps: (RHyTMME project)
Local X band radar network (4 radars, 2 operational) Installed in mountainous area prone to orographically-induced flooding Gap filling function in ARAMIS (C and S band network)
Other fine-scale radar projects outside Europe
USA:
CASA (Collaborative Adaptive Sensing of the Atmosphere) Local X band network (moving from Oklahoma “Tornado
Alley” to Fort Dallas in 2012)
Other fine-scale radar projects in Europe
USA:
Comparison polarimetric X-band vs. S-band Impact on catchment runoff
