Evaluation of Fog Predictions and Detection

On January 29, 2012 at about 4:00 am a thick fog and smoke caused a multiple car crash just south of Gainesville, Florida. Eleven people were killed and 18 were hospitalized. Nationally there are about 38,000 fog related accidents which result in about 620 fatalities. Because of the continuous observations of all points within Florida, the data from a geostationary satellite was used in which to better anticipate the formation of fog along Florida roadways, and to identify fog when it does form. The year of 2012 was chosen to examine where fog forms and if it is possible to reliably detect fog, It was found that using the difference in two frequencies in the infrared spectrum that have different water absorption characteristic, that it was possible to infer the presence of fog. However, many non-foggy days also got included. It is thought that other discriminates, such as wind speed could reduce the false alarm rate.

• Record URL:
  https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/research/reports/fdot-bdv30-977-03-rpt.pdf
• 
• Summary URL:
  https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/research/reports/fdot-bdv30-977-03-sum.pdf
• Corporate Authors:

  Florida State University, Tallahassee

  Department of Earch, Ocean and Atmospheric Science
  Meteorology Program
  Tallahassee, FL  United States  32306

  Florida Department of Transportation

  605 Suwannee Street
  Tallahassee, FL  United States  32399-0450
• Authors:
  • Ray, Peter S
  • Lefran, Daphne
• Publication Date: 2015-3

Language

• English

Media Info

• Media Type: Digital/other
• Edition: Final Report
• Features: Appendices; Figures; Maps; References; Tables;
• Pagination: 95p

Subject/Index Terms

• TRT Terms: Climatology; Communications satellites; Detection and identification; Fog; Infrared imagery; Weather forecasting
• Geographic Terms: Florida
• Subject Areas: Environment; Highways; I15: Environment;

Filing Info

• Accession Number: 01558272
• Record Type: Publication
• Contract Numbers: BDV30-977-03
• Files: TRIS, ATRI, STATEDOT
• Created Date: Mar 30 2015 9:35AM