Have you ever wondered which way the VOG was blowing on the Big Island and how much Sulfur Dioxide is being emitted into the air? Well the VOG Measurement and Prediction Project (VMAP) might be of assistance.
Is it possible or practical to predict vog? The Vog Measurement and Prediction Project (VMAP) is a feasibility study in which scientists will evaluate [are evaluating] whether vog forecasts are achievable and useful. Project collaborators are making the feasibility study available to the public through this Web site, but as an ongoing investigation, VMAP currently provides limited service and reliability. Thus, VMAP users should have no expectation of accuracy or timeliness, and project data should not be used for decision making purposes at this time. Comments and inquiries can be directed to the appropriate contact.
Vog is primarily a mixture of sulfur dioxide (SO2) gas and sulfate (SO4) aerosol. SO2 (invisible) reacts with oxygen and moisture in the air to produce SO4 aerosol (visible). SO2 is expected to be the main problem in areas near the vent (Hawai`i Volcanoes National Park, Pahala, Na`alehu, Hawaiian Ocean View Estates) and SO4 aerosol is expected to be the main problem at locations far from the vent (Kona and farther north and west).
The model output animation and accompanying forecast table is generated using the HYSPLIT numerical dispersion model. The model uses estimates of volcano emissions along with forecast winds to predict the concentrations of sulfur dioxide gas (SO2) and sulfate aerosol particles (SO4) downwind of the ongoing Kilauea eruption. This is a research effort that is in progress.
Here is the what the Big Island is looking like:
- US and UK researchers report direct measurement of key atmospheric reactant; more rapid formation of secondary aerosols (greencarcongress.com)
- The Ridiculousness Continues – Climate Complexity Compiled (wattsupwiththat.com)
Filed under: Announcements, Big Island, Environment, Hawaii, Health, Opala in Paradise, Something New?, State Affairs | Tagged: Hawaiʻi Volcanoes National Park, Hawaii Island Vog Forecast, Sulpher Dioxide, VOG in Hawaii, VOG Measurement and Prediction Project (VMAP) | 1 Comment »