2024 April Windstorm

April 6-7, 2024 Windstorm

An intense storm system moved across northeast Colorado on April 6th and then moved northeast into central Nebraska on April 7th. Strong and damaging winds occurred over portions of the mountains, foothills and northeast plains, from April 6th through April 7th, as the system moved across. Wind gusts across the mountains and along and near the foothills ranged from 70 to 95 mph with a peak gust of 97 mph at the NCAR Mesa Lab. Across the northeast plains, the strongest winds were focused along and north of a line from Denver to Fort Morgan to Akron. Winds gusts from 60 to 80 mph were common.

There quite a few reports of downed trees, power poles and other minor damage where the highest winds occurred. Up to 150,000 customers lost power during the peak of the event. Most of these outages were in and around the Denver area.

Although strong winds can occur in April, as the graph shows below, only 17 documented events of winds exceeding 70 mph have occurred in Boulder since 1969, prior to the most recent event.

Zoomable map of reported Wind Gusts >= 50 mph from April 6th and 7th

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Highest Wind Gusts (>= 75 mph) during the Event

Location	County	Wind Gust
NCAR Mesa Lab	Boulder	97
Coal Creek Canyon	Jefferson	96
3 NW Marshall	Boulder	95
Buckeye	Larimer	93
3 ESE Buckeye	Larimer	91
2 ENE Copper Mountain	Summit	91
Rocky Flats Hwy 93 and 72	Jefferson	90
3 S Boulder	Boulder	89
4 S Rocky Flats	Jefferson	89
1 NE Crisman	Boulder	88
3 SW Rocky Flats	Jefferson	88
2 NNW Rocky Flats	Boulder	87
I-70 Georgetown Lake	Clear Creek	86
3 SE Tolland	Gilpin	84
Dakota Hill	Gilpin	84
6 SW Carr	Larimer	84
I-25 and Buckeye Rd	Larimer	84
2 ESE Sterling	Logan	84
I-76 Sterling	Logan	84
1 E Empire	Clear Creek	83
2 SW Broomfield	Jefferson	83
3 ESE Copper Mountain	Summit	83
2 N Superior	Boulder	81
2 S Mt Audubon	Boulder	81
0.7 S Georgetown	Clear Creek	81
1 SSW Georgetown	Clear Creek	81
I-70 Dumont	Clear Creek	81
4 NNW White Ranch Open	Jefferson	80
8 SSW Grover	Weld	80
2 SE Julesburg	Sedgwick	79
2 NNE Natural Fort	Weld	79
4.9 N Nunn (UPR)	Weld	79
5 NNW Nunn	Weld	79
I-25 at Wyoming Border	Weld	79
1 SSE Dumont	Clear Creek	76
7 WNW Antero Reservoir	Park	76
Jones Hill	Park	76
1 NNW Akron	Washington	76
Briggsdale	Weld	76
2 WNW Brookvale	Clear Creek	75
Corral Creek	Clear Creek	75
2 SSE Pleasant View	Jefferson	75
Lakewood	Jefferson	75