Date Issued: 17 December 1999
Mountain Cedar location(s): Arbuckle Mountains, OK
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 cloudy today, high in the mid-50's. Fair tonight, low near 30. Mostly sunny on Saturday, high in the low 60's.
Trajectory confidence: High
OUTLOOK: *** Low Threat *** Mostly favorable weather conditions for release today and Saturday. Conditions for release will be mostly unfavorable on Sunday as the humidity increases. However, most cones are immature with little pollen available for release. Saturday's trajectory moves slowly south and then north, remain in or very near the state of Oklahoma. Sunday's trajectory moves south. Little release expected with few ill effects. TK
Trajectory Start(s) (shown by the * on map): Sulfur, Oklahoma
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
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