Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >
Biggest takeaway:
This is a routine occurrence/hazard that needs a plan - otherwise, you are putting your people's lives at risk. When Thunder Roars - Go Indoors (or into your vehicle). Nearly all lightning deaths occur outside - from people disregarding their risk, or thinking they have a few minutes more. The most deadly strikes are often the first few before the rain begins.
Warning/Trigger for Plan:
There is no NWS warning for lightning threat, but nature has its own warning - thunder.
Advance Notice/Time to Activate & Accomplish Your Planned Response:
Typically 5-30 minutes
Frequency: ~ 20 times/year at various time of day & night