| Summary | By WFO | Watches | ||||||
|---|---|---|---|---|---|---|---|---|
| Type | US | IA | ARX | DVN | DMX | OAX | FSD | US |
| Tornado | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Svr Tstorm | 87 | 10 | 4 | 2 | 6 | 2 | 0 | 3 |
| Flash Flood | 19 | 0 | 1 | 0 | 0 | 0 | 0 | --- |
ARX = LaCrosse, WI DVN = Davenport, IA DMX = Des Moines, IA OAX = Omaha, NE FSD = Sioux Falls, SD
SVR+TOR Warnings Issued: 87 Verified: 32 [36.8%] Polygon Size Versus County Size [22.7%] Average Perimeter Ratio [28.0%] Percentage of Warned Area Verified (15km) [17.5%] Average Storm Based Warning Size [2024 sq km] Probability of Detection(higher is better) [0.80] False Alarm Ratio (lower is better) [0.63] Critical Success Index (higher is better) [0.34]