Analysis Fields

	Current Cycle	Cycle - 6 h	Cycle - 12 h	Cycle - 18 h	Cycle - 24 h	Cycle - 30 h	Cycle - 36 h	Cycle - 42 h	Cycle - 48 h	Loop
Sea Level Pressure Analysis Ensemble mean (contours, hPa) and ensemble standard deviation (shading) sea level pressure.	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop
Deep-Layer Mean Wind Analysis ensemble mean (wind barbs, knots) and ensemble standard deviation (shading, m/s) deep layer mean winds (200-850 hPa).	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop
Precipitable Water Analysis ensemble mean (contours, mm) and ensemble standard deviation (shading) precipitable water valid at analysis time.	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop
Midtropospheric Relative Humidity Analysis ensemble mean (contours, %) and ensemble standard deviation (shading) 400-700 hPa relative humidity	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop
Circulation Analysis ensemble mean (contours, * 10^5 1/s) and ensemble standard deviation (shading) circulation in the 850 hPa wind for a circle of radius 200 km centered on each grid point.	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop
Precipitation Analysis ensemble mean SLP (contours, units hPa) and six hour precipitation (shading, units mm) valid at analysis time.	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop
Observations Distribution of observations ingested into the assimilation system.	2011103106	2011103100	2011103018	2011103012	2011103006	2011103000	2011102918	2011102912	2011102906	Loop

Observation Diagnostics

	Tropics ( < 30N )	Midlatitude( > 30N )	Full Domain	< 500 km of TC
Rawinsonde U Wind Analysis (black) and background (red) errors against rawinsonde zonal wind observations over past 14 days.	obs	obs	obs	obs
Rawinsonde V Wind Analysis (black) and background (red) errors against rawinsonde meridional wind observations over past 14 days.	obs	obs	obs	obs
Rawinsonde Temperature Analysis (black) and background (red) errors against rawinsonde temperature observations over past 14 days.	obs	obs	obs	obs
Rawinsonde Specific Humidity Analysis (black) and background (red) errors against rawinsonde humidity observations over past 14 days.	obs	obs	obs	obs
Dropsonde U Wind Analysis (black) and background (red) errors against dropsonde zonal wind observations over past 14 days.	obs	obs	obs	obs
Dropsonde V Wind Analysis (black) and background (red) errors against dropsonde meridional wind observations over past 14 days.	obs	obs	obs	obs
Dropsonde Temperature Analysis (black) and background (red) errors against dropsonde temperature observations over past 14 days.	obs	obs	obs	obs
Dropsonde Specific Humidity Analysis (black) and background (red) errors against dropsonde humidity observations over past 14 days.	obs	obs	obs	obs
Satellite U Wind Analysis (black) and background (red) errors against satellite zonal wind observations over past 14 days.	obs	obs	obs	obs
Satellite V Wind Analysis (black) and background (red) errors against satellite meridional wind observations over past 14 days.	obs	obs	obs	obs
GPS Refractivity Analysis (black) and background (red) errors against GPS occultation observations over past 14 days.	obs	obs	obs	obs

Tropical Cyclone Verification

Notes:

• 96 member WRF-ARW ensemble, 36 km horizontal resolution, 36 vertical levels up to 20 hPa, WSM 6 class microphysics, YSU PBL, NOAH LSM.
• All INVEST and TC have a 12 km fixed-move nest.
• Analyses generated each six hours by assimilating surface pressure, rawinsonde data, dropsonde data, aircraft data, ACARS, cloud winds, TC position and minimum SLP data.
• This work is supported by the NOAA Hurricane Forecast Improvement Project and NSF Grant ATM-0850642.
• Calculations are carried out on NOAA t-jet.