1. WG on Nowcasting Research World Meteorological Organization
Slobodan Nickovic
Research Department
World Meteorological Organization
Geneva, Switzerland

3. WMO Regions R.A. IV North America, Central America R.A. VI
And the Caribbean
(25 Members)
WMO Regions
R.A. VI
Europe
(49 Members)
R.A. II
Asia
(35 Members)
R.A. I
Africa
(56 Members)
R.A. V
South-West Pacific
(22 Members)
R.A.III
South America
(13 Members)

5. WMO Research Department
CAS
WWRP
JSC
WCRP
JSC
WGNE
SERA
MesoScale
SPARC
CLIC
Nowcasting
Verification
GEWEX
CLIVAR
Tropical
Meteorology
THORPEX
GHG Cycles:
Fluxes UNFCCC
Aerosols Warnings
and Assessment
Ozone Depletion
Vienna Convention
Target Phenomena
Convectively Coupled Waves / MJO
Easterly Waves / Tropical Cyclones / ET
Diurnal Cycle
Monsoons
Completion of the publication and follow-up actions to the WMO/IUGG report “Aerosol Pollution Impact on Precipitation: A Scientific Review”
Initiative Goals
Achieve significant gains in forecast skill by 2012 in:
Medium-range tropical weather forecasts, particularly disturbed conditions associated with organized convection.
Extended-range/subseasonal forecasts of the MJO.
Medium-to-extended range extratropical forecasts derived from improved tropical weather/climate and tropical-extratropical interactions.
Fundamental Science Questions
What are the most crucial elements of the large-scale circulation that influence the development, organization and maintenance of tropical convection?
Under what circumstances and with what mechanisms is energy and momentum transferred between the convective, mesoscale, synoptic scale, and the large/planetary scale?
How does organized tropical convection interact with the extra-tropical circulation?
GURME
Urban-Regional
Air Quality
Reactive Gas &
Oxidizing Capacity
JSC
Air-Surface
Chemical Exchange
GAW
Weather, Climate and Environment Earth-System Research-Observations, Analysis and Prediction

6. Technology Transfer & Capacity Building
Disaster Prevention,
Environmental Sustainability
and
Economic Competitivity
Through
Improved Forecasting
Services & Applications
WWRP-THORPEX
Technology Transfer & Capacity Building
Environmental Prediction
Research

7. The nowcasting research priorities
Improving nowcasting predictive skill and characterizing uncertainty;
Promoting physically based nowcast prediction through high resolution model development and data assimilation;
Developing improved observational capability in nowcasting;
Characterizing observational errors and algorithm processing errors and their impact on
nowcasting; and
Improving automated nowcast processes, optimizing the role of humans and developing
supporting systems for the rapid detection and effective dissemination of information.

8. Nowcasting Research
focused on the detection and forecasting of weather over the 0-6 hour time frame.
diverse user community:
Emergency services,
defence forces,
security agencies,
the transport industry,
hydrologists,
the agricultural community,
recreational groups
air quality agencies regularly

9. Nowcasting WWRP Projects
Sydney 2000 FDP (Emphasis Nowcasting Summer Convection)
Beijing 2008 FDP and RDP (Emphasis Nowcasting Summer Convection)
Vancouver 2010 (SNOW-V10 FDP/RDP) (Emphasis Nowcasting Winter Weather in Complex Terrain)
Sochi 2014 (proposed)