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The North American Monsoon System: Recent Evolution and Current Status Update prepared by Climate Prediction Center / NCEP 01 July 2013.

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Presentation on theme: "The North American Monsoon System: Recent Evolution and Current Status Update prepared by Climate Prediction Center / NCEP 01 July 2013."— Presentation transcript:

1 The North American Monsoon System: Recent Evolution and Current Status Update prepared by Climate Prediction Center / NCEP 01 July 2013

2 Outline Recent Evolution and Current Conditions Summary Climatology

3 Rainfall Patterns: Last 7 Days Below-average rainfall has been observed over most of the central and southern Mexico during the past week.

4 Rainfall Patterns: Last 30 Days Above-average rainfall has been observed only over southeastern Mexico during the past 30 days.

5 Recent Evolution: Rainfall

6 NCEP/GFS Forecast Above-average precipitations for north and central Mexico during the next two weeks.

7 Summary Below-average rainfall has been observed over most of the central and southern Mexico during the past week. Above-normal rainfall has been observed only over southeastern Mexico during the past 30 days. NCEP GFS forecasts predict above-average precipitations for north and central Mexico during the next two weeks.

8 Climatology MONSOON ONSET June 5 June 6 June 8June 7 June 14 June 17June 16 June 23 June 27June 25June 29 July 3July 6July 11 July 7July 8July 13 July 9July 13July 14 June 10June 11 June 22June 21 Higgins, R. W., Y. Chen and A. V. Douglas, 1999: Interannual Variability of the North American Warm Season Precipitation Regime. J. Clim, 17, 653-680

9 Precipitation Climatology


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