NCEP Calibrated (Bias corrected) QPF/PQPF

NCEP Global Forecast System (GFS) and Ensemble Prediction System (EPS)'s configuration will be implemented by March 9th 2004. This page displays the forecast comparison of QPF and Calibrated QPF from GFS, and ensemble based PQPF and Calibrated PQPF for every 24 hours upto 16 days on IBM-SP computer.

For more information on the EPS, see the EPS home page at this location.

Comparison of Raw and Calibrated forecasts

Date

GFS/QPF

PQPF>1.00 mm/d

PQPF>6.35 mm/d

PQPF>12.7 mm/d

PQPF>25.4 mm/d

2014092300
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014092200
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014092100
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014092000
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091900
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091800
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091700
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091600
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091500
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091400
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091300
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091200
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091100
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014091000
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014090900
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014090800
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014090700
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014090600
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
2014090500
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16