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Storm Events Database
Event Details:
| Event | Tornado |
| -- Scale | EF1 |
| -- Length | 0.4 Miles |
| -- Width | 70 Yards |
| State | ILLINOIS |
| County/Area | MCHENRY |
| WFO | LOT |
| Report Source | NWS Storm Survey |
| NCEI Data Source | CSV |
| Begin Date | 2021-08-09 15:45 CST-6 |
| Begin Location | 1E MCCULLOM LAKE |
| Begin Lat/Lon | 42.3622/-88.2786 |
| End Date | 2021-08-09 15:46 CST-6 |
| End Location | 1E MCCULLOM LAKE |
| End Lat/Lon | 42.3622/-88.2716 |
| 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 | Scattered thunderstorms produced heavy rain and flooding across portions of northern Illinois during the morning and afternoon of August 9th. Additional thunderstorms in the afternoon and evening produced several tornadoes. |
| Event Narrative | A brief tornado with peak winds of 90 mph touched down at the Petersen Farm, just east of McCullom Lake Road where it damaged a barn and a ground marker. The tornado moved east and damaged siding and porches on a few townhouses on Evergreen Circle. A portion of a roof was removed from a townhouse on Evergreen Circle. The tornado lifted just before it reached the Home Depot store on Richmond Road. |
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 | |||||||
| (RFD) ROCKFORD AIRPORT | WINNEBAGO CO. | IL | 08/09/2021 | 14:00 | CST-6 | Flood | 0 | 0 | 0.00K | 0.00K | |
| BELVIDERE | BOONE CO. | IL | 08/09/2021 | 15:10 | CST-6 | Flood | 0 | 0 | 0.00K | 0.00K | |
| ESMOND | DE KALB CO. | IL | 08/09/2021 | 15:35 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| KIRKLAND | DE KALB CO. | IL | 08/09/2021 | 15:44 | CST-6 | Tornado | EF1 | 0 | 0 | 0.00K | 0.00K |
| MCCULLOM LAKE | MCHENRY CO. | IL | 08/09/2021 | 15:45 | CST-6 | Tornado | EF1 | 0 | 0 | 0.00K | 0.00K |
| BURLINGTON | KANE CO. | IL | 08/09/2021 | 16:24 | CST-6 | Tornado | EF1 | 0 | 0 | 0.00K | 0.00K |
| LINDENWOOD | OGLE CO. | IL | 08/09/2021 | 16:28 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| ESMOND | DE KALB CO. | IL | 08/09/2021 | 16:37 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| PAW PAW AIRPORT | LEE CO. | IL | 08/09/2021 | 17:03 | CST-6 | Tornado | EFU | 0 | 0 | 0.00K | 0.00K |
| SYCAMORE | DE KALB CO. | IL | 08/09/2021 | 17:13 | CST-6 | Tornado | EF1 | 0 | 0 | 0.00K | 0.00K |
| MAPLE PARK | DE KALB CO. | IL | 08/09/2021 | 17:26 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| RICHARDSON | KANE CO. | IL | 08/09/2021 | 17:28 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| VIRGIL | KANE CO. | IL | 08/09/2021 | 17:38 | CST-6 | Tornado | EFU | 0 | 0 | 0.00K | 0.00K |
| Totals: | 0 | 0 | 0.00K | 0.00K |
