Forecast of the Day • A National Weather Forecasting Contest
Tuesday September 10, 2019
Assignment: Predict the 24 hr minimum temperature (deg F) for Grand Forks-International, ND (KGFK)
Tonight's forecast for Grand Forks, North Dakota is rainy, and the GFS and NAM differ by about 10 F on the minimum temperature. So let's forecast Tmin for Grand Forks and see what happens.
| Forecaster | Tmin, deg F (error) | Comment | Day Score |
|---|---|---|---|
| OBSERVED | 53 | Data through 0500 UTC | |
| GFS-MOS-18-DAY02 | 53 (0) | 3.5 | |
| GFS-MOS-18-DAY01 | 52 (-1) | 3.0 | |
| GFS-MOS-12-DAY01 | 52 (-1) | 3.0 | |
| GFS-MOS-00-DAY00 | 51 (-2) | 2.6 | |
| GFS-MOS-06-DAY01 | 55 (2) | 2.6 | |
| GFS-MOS-06-DAY02 | 51 (-2) | 2.6 | |
| GFS-MOS-00-DAY01 | 56 (3) | 2.2 | |
| PERSISTENCE | 49 (-4) | 1.8 | |
| NAM-MOS-00-DAY00 | 49 (-4) | 1.8 | |
| NAM-MOS-12-DAY01 | 49 (-4) | 1.8 | |
| GFS-MOS-12-DAY02 | 49 (-4) | 1.8 | |
| NAM-MOS-12-DAY02 | 47 (-6) | 0.9 | |
| CLIMATE | 46.6 (-6.4) | NCDC Climate Normals, 1981-2010 | 0.8 |
| NAM-MOS-00-DAY01 | 44 (-9) | 0 |