Longmont, Longmont, Colorado Hazard Report | Boulder County Natural Catastrophe And Climate Risk

HazardDB

Hazard Score

56 Catastrophes Recorded

Historical_Hail

Historical_Tornadoes

Historical_Floods

Historical_Wind

Longmont, Colorado

18 Land Tracts in Boulder County , St. Vrain Watershed

Longmont, Colorado faces a relatively high risk of natural disasters, with hazards such as flooding, lightning, and landslides posing significant threats to the area. The city's location in Boulder County, near the St. Vrain and South Platte rivers, increases the risk of flooding during heavy precipitation events. Longmont's proximity to the Rocky Mountains also heightens the risk of landslides, especially in areas with steep slopes.

The region's climate plays a significant role in its hazard risk, with a high level of precipitation and relatively low humidity contributing to the potential for flooding and landslides. Additionally, the city's location in a valley surrounded by mountain peaks can exacerbate weather-related risks, such as lightning strikes and severe storms. Longmont's historical events, such as the 2013 floods that caused widespread damage in the area, serve as a reminder of the city's vulnerability to natural disasters.

While Longmont does not have coastlines or fault lines that would contribute to certain types of hazards, its geological features, such as the St. Vrain and South Platte rivers, increase the risk of flooding. The city's proximity to water bodies and its position within a valley make it susceptible to extreme weather events and associated hazards. Overall, Longmont faces a complex combination of climate and geological factors that contribute to its relatively high hazard risk profile.

HAZARDS

6

Power Transmission Lines

0

Coastlines

0

Water Bodies

0

Fault Lines

EMERGENCY SERVICES

7

Hazard Shelters

3

Fire Stations

1

Hospitals

1

Police Stations

COMMUNITY PROFILE

Boulder, Colorado faces relatively moderate natural disaster and climate risk, with a risk score of 89.5. The area experiences various hazards, including wildfires (7.8% annual frequency), lightning strikes (24.8% annual frequency), and landslides (5.9% annual frequency). These events have caused significant economic losses in the past, with the risk value for wildfires and landslides reaching 6.7 million and 3.6 million, respectively. Boulder's location near mountain peaks and water bodies increases the risk of flooding and landslides, contributing to its relatively high risk rating.

The Boulder area is also susceptible to hailstorms (5.6% annual frequency), with a risk score of 89.8. Historical events have shown that hailstorms can result in substantial economic losses, with a risk value of over 1.1 million. Additionally, the region faces a moderate risk of tornadoes (0.7% annual frequency) and winter weather events (1.0% annual frequency), which have the potential to cause significant damage. The presence ... Read More

CLIMATE OVERVIEW

Average Temperature

10 °F Cold

Average Precipitation

374 mm Moderately Low

Average Humidity

50% Moderate

Plant Hardiness

Flooding

1999-04-29

Flooding

Heavy Rain