4:10 p.m.: A extreme thunderstorm warning is posted for Boulder, Niwot, Lyons and surrounding areas till 4:30 p.m., in keeping with the Nationwide Climate Service. Winds as much as 60 mph and quarter-sized hail is feasible with the storm.
Extreme Thunderstorm Warning together with Boulder CO, Niwot CO and Lyons CO till 4:30 PM MDT pic.twitter.com/lh94MPQSQo
— NWS Boulder (@NWSBoulder) July 28, 2023
Sturdy storm simply west of Boulder at 3:55 PM. pic.twitter.com/jNMrxq5xuu
— NWS Boulder (@NWSBoulder) July 28, 2023
4:01 p.m.: At Denver Worldwide Airport, the specter of extreme climate is inflicting delays. Departing flights are delayed a median of 44 minutes and inbound flights are being held at their origin airports till 4:30 p.m. mountain time, in keeping with FlightAware.com. DIA has 514 complete delays Friday with 21 cancellations.
