Initial time
2012060100


YEAR 2010 2011 2012 2013 2014 MON Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
DAY 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 UTC 00Z 06Z 12Z 18Z
Hours of forecast
0h forecast


0 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126

• The forecast system is based on WRF ARW V3.4.1 and the Penn State (PSU) EnKF with 60 ensemble members for data assimilation.
  
• There are three triply nested WRF forecast domains with grid spacing of 27/9/3 km.
  
• The system is initialized before the storm developed, and cycling the assimiltion with all conventional observations, Recon and TDR data every 3 hours till the end of the storm.
  
• These figures are generated from the 3-km domain.

• Yonghui Weng and Fuqing Zhang, 2012: Assimilating airborne Doppler radar observations with an ensemble Kalman filter for cloud-resolving hurricane initialization and prediction: Katrina (2005). Mon. Wea. Rev., 140, 841-859.