Severe Thunderstorm Warning for Lyon, IA; Sioux, IA; Lincoln, SD
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Observed
What is happening
At 441 AM CDT, a severe thunderstorm was located over Canton, moving north at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe storm will be near... Inwood around 445 AM CDT.
What the bulletin says to do
For your protection move to an interior room on the lowest floor of a building.
Lifecycle record
Official revisions
- Update
Severe Thunderstorm Warning issued August 11 at 4:41AM CDT until August 11 at 5:00AM CDT by NWS Sioux Falls SD
Official revision - Update
Severe Thunderstorm Warning issued August 11 at 4:31AM CDT until August 11 at 5:00AM CDT by NWS Sioux Falls SD
Official revision - Alert
Severe Thunderstorm Warning issued August 11 at 4:15AM CDT until August 11 at 5:00AM CDT by NWS Sioux Falls SD
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Sioux Falls SD. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected