Research Article

Atmospheric Contributors to Heavy Rainfall Events in the Arkansas-Red River Basin

Table 4

Percentage of cases per synoptic pattern at 500 mb by location.

Synoptic pattern at 500 mb
Ft. Smith TulsaWichitaOKCWichita FallsDodge CityAmarilloColorado Springs Basin Total

Positively tilted trough 45.00%27.78%47.06%43.75%21.43%46.67%42.86%29.41%38.17%
Neutrally tilted trough 5.00%5.56%11.76%0.00%7.14%0.00%0.00%0.00%3.82%
Negatively tilted trough0.00%11.11%0.00%18.75%0.00%20.00%14.29%17.65%9.92%
Short wave 25.00%33.33%29.41%25.00%50.00%26.67%14.29%11.76%26.72%
Ridge20.00%16.67%11.76%6.25%14.29%6.67%28.57%41.18%18.32%
Tropical 5.00%5.56%0.00%6.25%7.14%0.00%0.00%0.00%3.05%