GFS 00z - 500 mb Height and Absolute Vorticity
Data from the NWS
| 00Z | 06Z | 12Z | 18Z | |||||
| Day | Current | 03 | 06 | 09 | 12 | 15 | 18 | 21 |
| Day 1 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | 45 |
| Day 2 | 48 | 51 | 54 | 57 | 60 | 63 | 66 | 69 |
| Day 3 | 72 | 75 | 78 | 81 | 84 | 87 | 90 | 93 |
| Day 4 | 96 | 99 | 102 | 105 | 108 | 111 | 114 | 117 |
| Day 5 | 120 | 123 | 126 | 129 | 132 | 135 | 138 | 141 |
| Day 6 | 144 | 147 | 150 | 153 | 156 | 159 | 162 | 165 |
| Day 7 | 168 | 171 | 174 | 177 | 180 | 183 | 186 | 189 |
| Day 8 | 192 | 204 | 216 | 228 | 240 | 252 | 264 | 276 |
| Day 12 | 288 | 300 | 312 | 324 | 336 | 348 | 360 | 372 |
| Day 16 | 384 | Loop | ||||||