Data Withdrawal Experiments
| TOVS 1B | RAOBTemp | RAOB Wind | |
| 1B_QC (Control) | Y | Y | Y |
| NTVQC | N | Y | Y |
| 1BNTMPQC | Y | N | Y |
| 1BNWINQC | Y | Y | N |
| NTVNTMPQC | N | N | Y |
| NTVNWINQC | N | Y | N |
Data withdrawal experiment
MODEL: March 99 NCEP MRF
Resolution: t62 28 level
Period: 1 Jan 1993-28 Feb 1993
Control: With TOVS and all conventional data
Time average of 500hPa height RMSE from Control
NH 20N-60N February 1993.
| Withdraw | Average | Spread |
| TOVS 1B | 4.8 | 0.8 |
| RAOB Temp | 5.5 | 0.7 |
| RAOB Wind | 7.0 | 0.6 |
SH 20S-60S February 1993.
| Withdraw | Average | Spread |
| TOVS 1B | 22.6 | 3.7 |
| RAOB Temp | 6.5 | 0.9 |
| RAOB Wind | 5.8 | 0.7 |