In the realm of fire management, live fuel moisture (LFM) plays a significant role in understanding and predicting fire behavior. Here’s why it’s so important:

  1. Improves Fire Behavior Predictions: LFM refers to the amount of water contained in live vegetation, such as shrubs and trees. By measuring this moisture, fire managers can better predict how a fire will spread. High moisture levels typically mean that vegetation is less flammable, which can slow down or even stop the spread of a fire. Conversely, low moisture levels can lead to more intense and faster-moving fires.
  2. Enhances Safety Measures: Accurate LFM data helps in making informed decisions about fire readiness and response. Knowing the moisture content helps in assessing the potential risk and severity of fires, which is crucial for planning safe evacuation routes and deploying resources effectively.
  3. Guides Resource Allocation: By understanding LFM, fire management teams can allocate resources more efficiently. For instance, if data shows that moisture levels are low and fire danger is high, resources can be directed toward preventative measures or increased firefighting readiness.
  4. Supports Long-Term Planning: Collecting and analyzing LFM over time allows for better long-term fire management strategies. This historical data can help in identifying trends and preparing for future fire seasons, ensuring that communities and ecosystems are better prepared.

The La Kretz Center started collecting LFM data for several key plant species including purple sage (Salvia leucophylla), California sagebrush (Artemisia californica), blue oak (Quercus douglasii), and coast live oak (Quercus agrifolia). The La Kretz Center has made this raw data available for use by researchers, fire managers, and decision-makers. This open access supports collaborative efforts to improve fire management practices and adapt strategies based on up-to-date information. Please click below to download the .csv file.

LFM_Rclick to download

Live fuel moisture measurements for blue oak (Quercus douglasii), coast live oak (Q. agrifolia), California sagebrush (Artemisia californica), and purple sage (Salvia leucophylla), Sedgwick Reserve, July 2023 through September 2025.The red dashed line indicates the 79% critical LFM threshold identified by Dennison and Moritz (2008), and the black dashed line is the 60% critical LFM threshold used by the Santa Barbara County Fire Department. Blue oak is decisuous and is not sampled between January and April.

This data collection effort not only contributes to a deeper understanding of these specific species but also enriches overall fire management strategies. In essence, LFM data is a key piece of the fire management puzzle. It empowers teams to make data-driven decisions, enhance safety, and improve resource management. By prioritizing the collection and analysis of this information, we can better protect our communities and natural landscapes from the ravages of wildfire.

Sedgwick_lfm_locations.kmzDownload