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Storm Events Database
Event Details:
| Event | Tornado |
| -- Scale | EF0 |
| -- Length | 5.21 Miles |
| -- Width | 45 Yards |
| State | WISCONSIN |
| County/Area | PORTAGE |
| WFO | GRB |
| Report Source | NWS Storm Survey |
| NCEI Data Source | CSV |
| Begin Date | 2025-05-15 16:52 CST-6 |
| Begin Location | 6SW BANCROFT |
| Begin Lat/Lon | 44.2547/-89.6064 |
| End Date | 2025-05-15 17:03 CST-6 |
| End Location | 3SW CODDINGTON |
| End Lat/Lon | 44.3294/-89.5918 |
| Deaths Direct/Indirect | 0/0 (fatality details below, when available...) |
| Injuries Direct/Indirect | 0/0 |
| Property Damage | 0.00K |
| Crop Damage | 0.00K |
| Episode Narrative | Showers and thunderstorms developed ahead of an occluded front Thursday afternoon (5/15) across western Wisconsin. Storms tracked through the area during the late afternoon and early evening hours. The strongest storms produced 3 tornadoes, damaging winds, and large hail up to golf ball size across central and north-central Wisconsin. |
| Event Narrative | A tornado developed near Bancroft at 5:52 pm CDT, then tracked north before lifting at 6:03 pm CDT. The start of the tornado was noted by trees across a road near the start of the path, with the rest of the tornado occurring over open area that was void of clear damage indicators. Total path length is estimated to be 5.21 miles long, with a width of 45 yards. Peak wind estimated to be around 65 mph. |
Event Map:
Note: The tornado track is approximate based on the beginning (B) and ending (E) locations. The actual tornado path may differ from a straight line.All events for this episode:
| Location | County/Zone | St. | Date | Time | T.Z. | Type | Mag | Dth | Inj | PrD | CrD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Totals: | 0 | 0 | 0.00K | 0.00K | |||||||
| KELLNER | PORTAGE CO. | WI | 05/15/2025 | 15:37 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| COLBY | MARATHON CO. | WI | 05/15/2025 | 16:27 | CST-6 | Tornado | EF2 | 0 | 0 | 0.00K | 0.00K |
| RIB FALLS | MARATHON CO. | WI | 05/15/2025 | 16:41 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| BANCROFT | PORTAGE CO. | WI | 05/15/2025 | 16:52 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| CODDINGTON | PORTAGE CO. | WI | 05/15/2025 | 17:06 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| ROTHSCHILD | MARATHON CO. | WI | 05/15/2025 | 17:10 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| SCHOFIELD | MARATHON CO. | WI | 05/15/2025 | 17:15 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| SCHOFIELD | MARATHON CO. | WI | 05/15/2025 | 17:20 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| MERRILL MUNI ARPT | LINCOLN CO. | WI | 05/15/2025 | 17:21 | CST-6 | Thunderstorm Wind | 52 kts. EG | 0 | 0 | 0.00K | 0.00K |
| WAUSAU | MARATHON CO. | WI | 05/15/2025 | 17:45 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| HARSHAW | ONEIDA CO. | WI | 05/15/2025 | 17:49 | CST-6 | Thunderstorm Wind | 52 kts. EG | 0 | 0 | 0.00K | 0.00K |
| LAKE EMILY | PORTAGE CO. | WI | 05/15/2025 | 17:50 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| Totals: | 0 | 0 | 0.00K | 0.00K |
