Broomfield County, CO Tornado Risk & Storm Shelter Cost
How likely is a tornado in Broomfield County, CO?
Broomfield County carries no recorded tornado touch anywhere in NOAA's 1950-2025 database - a real zero, the same result most of the Northeast and Pacific coast gets. Nationally, Broomfield County ranks at the 3rd percentile for tornado frequency. Colorado has 64 counties in this dataset; Broomfield County ranks 55 of them by frequency.
Broomfield County's EF4-5 history
Broomfield County's record has no EF4-5 tornado - its 0 tracks split 0 weak and 0 significant. That does not rule one out in the future, only that none has been recorded since 1950.
What a storm shelter costs near Broomfield County
For a Broomfield County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no Colorado-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
Power loss after a tornado outbreak in Colorado often reaches homes the storm itself never touched. A battery-backup unit covers the outage without the fuel and venting a generator needs.
Read this before you rely on it
This is a county-level figure, not a per-address probability. Broomfield County covers about 33 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. Pre-radar-era records (before the 1990s) are also documented by NOAA as undercounting weaker tornadoes in sparsely-instrumented areas. Broomfield County has about 78,323 residents.