Date Issued: 17 December 1999
Mountain Cedar location(s): Edwards Plateau, Texas
Regional weather: Friday, December 17 - TX/OK: Weak Pacific cold front is moving through the region during the next 24 hours. Variably to mostly cloudy northern and eastern sections today, mostly sunny elsewhere. Chance of precipitation for eastern OK, AR, and eastern TX tonight and early Saturday. Other areas will remain dry through Saturday. Chance of precipitation for some areas on Sunday as a polar cold front approaches from the north. Much colder on Monday region-wide. Highs today and Saturday mostly in the 50's and 60's. Lows tonight and Saturday night ranging from the 20's north and west to 40's south and east. Highs ranging from the 40's to 60's on Sunday.
Trajectory weather: Mostly sunny today, high in the 60's. Partly cloudy tonight and Saturday, low in the 40's, high in the 60's.
Trajectory confidence: High
OUTLOOK: *** Low Threat *** Little release expected this weekend. Mixed, mostly favorable conditions for pollen release today. Humidities are running a bit high on the eastern end of the Plateau with drier air in the western sections. Most cones are not yet ready for release, however. Mixed conditions for Saturday and Sunday as well, mostly favorable on Saturday, mostly unfavorable on Sunday. Trajectories on Saturday shift from south to north about every 12-18 hours as weather systems move around, remaining near the source region. TK
Trajectory Start(s) (shown by * on map): Austin, TX; Junction, TX; San Angelo, TX
Austin, TX
Junction, TX
San Angelo, TX
Prepared by: Thomas Keever (Department of Marine, Earth and Atmospheric Sciences, NCSU), Estelle Levetin (Faculty of Biological Science, The University of Tulsa, 600 S. College, Tulsa, OK 74104), and C.E. Main (Department of Plant Pathology, North Carolina State University, Raleigh, NC 27695-7618). This forecast gives the anticipated future track of released Mountain Cedar pollen, weather conditions over the region and along the forecast pathway, and an estimated time of arrival for various metropolitan areas.
Questions: Aerobiology Lab e-mail: pollen@utulsa.edu
Return to Forecasting Home Page