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Support material for Island Climate Update 168
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Nicolas Fauchereau
September 02, 2014
Science
1
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Support material for Island Climate Update 168
forecast period September to November 2014
Nicolas Fauchereau
September 02, 2014
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Transcript
Island Climate Update 168 Forecast period: September –
November 2014 Teleconference Wednesday 3rd of September 2014 (11:30 AM NZ Cme) 3/09/14 1
1) Some words on Rainfall / ConvecCon, circulaCon and SST
anomalies last month (August 2014) 2) ENSO (Pacific Ocean – Atmosphere system): situaCon and forecast 3) Madden-‐Julian OscillaCon (MJO) diagnosCcs and forecasts 4) METPI Rainfall Forecast 5) METPI SST Forecast 3/09/14 2 Outline
1) Recent Rainfall (+Convec<on) and SST in the SW Pacific
3/09/14 3
Rainfall averages and anomalies (TRMM) 3/09/14 4
3/09/14 5
3/09/14 6 • Well below = < 40
% of normal • Below = between 40 and 80 % • Normal = between 80 and 120 % • Above = between 120 and 160 % • Well above = > 160 % Past 6 months rainfall anomalies for ICU Islands group (TRMM)
SST anomalies July2014 SST anomalies August 2014 3/09/14
7
2) ENSO (Pacific Ocean – Atmosphere system) situa<on and forecast
3/09/14 8
SOI and SST NINO INDICES 3/09/14 Datasource =
BoM (h_p://www.bom.gov.au/ climate/enso/) 9
The ENSO Precipita<on Index (ESPI) for the last 30 days
(2 Sep.) is -‐0.82 (large decrease over the past few days) SOI and ESPI INDICES 3/09/14 h_p://trmm.gsfc.nasa.gov/trmm_rain/ Events/thirty_day.html 10
Surface equatorial SST and Zonal Wind anomalies 3/09/14
11
Ocean sub-‐surface temp anomalies (TAO) 3/09/14 http://www.pmel.noaa.gov/tao/jsdisplay/ 12
h_p://www.cpc.ncep.noaa.gov/products/intraseasonal/heat_tlon.shtml
Ocean sub-‐surface temp anomalies (TAO) 3/09/14 13
From h_p://www.cpc.ncep.noaa.gov/products/analysis_monitoring/lanina/enso_evoluCon-‐status-‐fcsts-‐web.pdf
3/09/14 http://www.pmel.noaa.gov/tao/jsdisplay/ 14 h_p://www.cpc.ncep.noaa.gov/products/intraseasonal/heat_tlon.shtml h_p://www.cpc.ncep.noaa.gov/products/ analysis_monitoring/ocean/weeklyenso_clim_81-‐10/ wksl_anm.gif
Ocean heat content anomalies (0 – 300 m) and sea level anomalies
3/09/14 15 Ocean heat content anomalies (0 –
300 m) and sea level anomalies From h_p://www.cpc.ncep.noaa.gov/products/analysis_monitoring/lanina/enso_evoluCon-‐status-‐fcsts-‐web.pdf
ENSO forecast © NIWA (Na)onal Climate Centre Na)onal
Guidance) 3/09/14 16
3) MJO diagnos<cs and forecasts 3/09/14 17
Madden Julian Oscilla<on Monitoring (BoM) 3/09/14 h_p://www.bom.gov.au/climate/mjo/ or
h_p://cawcr.gov.au/staff/mwheeler/maproom/RMM/ 18
Madden Julian Oscilla<on Dynamical Forecast (CPC) 3/09/14 h_p://www.cpc.ncep.noaa.gov/products/precip/CWlink/MJO/mjo.shtml#forecast
19
Madden Julian Oscilla<on sta<s<cal Forecast (CPC) 3/09/14 h_p://www.cpc.ncep.noaa.gov/products/precip/CWlink/MJO/mjo.shtml#forecast
20
4) METPI Rainfall forecasts 3/09/14 21
3/09/14 22 UKMO Seasonal Forecast NSIPP GMAO Rainfall
http://gmao.gsfc.nasa.gov/products/climateforecasts/GEOS5/plots/2014/jul/atmos//precip/precip_anom_2014_3_seasonal.gif
3/09/14 23 METPI rainfall results
3/09/14 24 METPI rainfall results
6) METPI SST forecasts 3/09/14 25
3/09/14 26