University of Tulsa
Mountain Cedar Pollen Forecast

Date Issued: 4 January 2001

Mountain Cedar location(s): Ozark Mountains, AR/MO

Regional weather: Thursday, January 4 - TX/OK/AR: Sunny and dry weather today and Friday. A weak cold front will form east of the Rockies and move through the region tonight and Friday. Only clouds with this front, the winds will shift direction, and slightly cooler temperatures will follow. Highs in the 40's to 60's today, lows mostly in the 20's and 30's tonight.

Trajectory weather: Sunny today, high in the low 40's. Becoming mostly cloudy tonight, low in the upper 20's. Cloudy with a chance of snow showers on Friday, high in the 30's.

Trajectory confidence: High

OUTLOOK: *** Low Threat *** Conditions are very unfavorable for release today. Temperatures will struggle to reach the 40 degree mark near the source, outside the favorable range. Humidities have been high all morning and will remain outside the tolerance range during the afternoon. Winds are weak. No release expected, with Low Risk of exposure. TK

 Trajectory Start(s) (shown by black star on map): Oak Grove, AR

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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