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.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Analysis Steering Wind
Analysis ensemble mean (barbs) and vector ensemble standard deviation (shading) of 400-800 hPa layer average wind.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Steering Wind Inc.
Background ensemble mean (barbs) and vector increment (shading) 400-800 hPa layer average wind.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Analysis Precipitable Water
Analysis ensemble mean (contours, mm) and ensemble standard deviation (shading) precipitable water.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Precipitable Water Inc.
Background ensemble-mean (contours, mm) and analysis increment (shading) precipitable water valid at analysis time.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Precipitation
Analysis ensemble mean SLP (contours, units hPa) and six hour precipitation (shading, units mm) valid at analysis time.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Observations
Distribution of observations ingested into the assimilation system.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop
  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 Analysis TC Vitals
Analysis vortex position, minimum SLP, and maximum wind speed2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Background TC Vitals
Background vortex position, minimum SLP, and maximum wind speed2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Analysis 34-knot radii
Analysis 34-knot wind radii in each quadrant of the TC.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Analysis Shear Direction
Analysis 200-850 hPa vertical wind shear direciton2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Analysis Env. Profiles
Analysis environmental profiles and EOFs of the profiles2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Tangential Wind Increment
Analysis increment in the tangential wind2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Along-shear MSE Increment
Along-shear increment in moist static energy2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop 10 m Wind Increment
Background ensemble-mean 10 m winds (barbs, knots) and analysis increment (shading, m/s).2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop RMS Surface Pressure Tendency
RMS surface pressure tendency over the entire nested domain as a function of time.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop Observations
Distribution of observations ingested into the assimilation system.2012110212 2012110206 2012110200 2012110118 2012110112 2012110106 2012110100 2012103118 2012103112 Loop
  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
- 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.