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The North American Monsoon System: Recent Evolution and Current Status. Update prepared by Climate Prediction Center / NCEP 08 August 2011. Outline. Recent Evolution and Current Conditions Summary Climatology. Rainfall Patterns: Last 7 Days.

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The north american monsoon system recent evolution and current status
The North American Monsoon System: Recent Evolution and Current Status

Update prepared by

Climate Prediction Center / NCEP

08 August 2011


Outline
Outline Current Status

  • Recent Evolution and Current Conditions

  • Summary

  • Climatology


Rainfall patterns last 7 days
Rainfall Patterns: Last 7 Days Current Status

During the past week, near-normal rainfall has been observed over southwestern US while the west coast of Mexico experienced drier-than-average conditions.


Rainfall patterns last 30 days
Rainfall Patterns: Last 30 Days Current Status

Near-normal rainfall has been observed over southwestern US during the past 30 days.



Ncep gfs week 1 2 forecast
NCEP/GFS Week 1&2 Forecast Current Status

Near-normal precipitations for Southwestern U.S. during the Aug. 08- 21, 2011 period.


Summary
Summary Current Status

  • During the past week, near-normal rainfall has been observed over southwestern US while the west coast of Mexico experienced drier-than-average conditions.

  • NCEP GFS week 1 and 2 bias-corrected forecasts show near-normal rainfall over southwestern US during the Aug. 08 - 21, 2011 period.

The NAME Forecast Forum 2011 web page is up. For details, please visit:

http://www.cpc.ncep.noaa.gov/products/Global_Monsoons/American_Monsoons/NAME/index.shtml


Climatology monsoon onset
Climatology Current StatusMONSOON ONSET

July 14

July 13

July 9

July 13

July 8

July 7

July 11

July 6

July 3

June 29

June 25

June 27

June 21

June 22

June 23

June 16

June 17

June 14

June 14

June 11

June 10

June 7

June 8

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

June 6

June 6

June 5