Research Article
Atmospheric Contributors to Heavy Rainfall Events in the Arkansas-Red River Basin
Table 3
The synoptic pattern at 500 mb leading up to the rainfall event at each location.
| | | Synoptic pattern at 500 mb | | | Ft. Smith | Tulsa | Wichita | OKC | Wichita Falls | Dodge City | Amarillo | Colorado Springs |
| | Positively tilted trough | 9 | 5 | 8 | 7 | 3 | 7 | 6 | 5 | | Neutrally tilted trough | 1 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | | Negatively tilted trough | 0 | 2 | 0 | 3 | 0 | 3 | 2 | 3 | | Short wave | 5 | 6 | 5 | 4 | 7 | 4 | 2 | 2 | | Ridge | 4 | 3 | 2 | 1 | 2 | 1 | 4 | 7 | | Tropical | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
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