University of Tulsa
Mountain Cedar Pollen Forecast

 

Date Issued: 19 December 2000

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

Regional weather: Tuesday, December 19 - TX/OK/AR: Dissipating cold front lies across the northern and eastern sections. High pressure in control of today's weather. Mostly sunny region-wide except for northeast OK. Cold in AR and OK, cool in TX with no precipitation expected. Winds are light today, but will pick up in earnest on Wednesday as another system approaches from the west. Highs mostly from the 30's to low 60's, lows tonight in the 10's north to 40's south.

Trajectory weather: Sunny to partly cloudy today, high in the 20's. Partly cloudy tonight, low in the upper 10's. Becoming mostly cloudy on Wednesday with a chance of snow late in the afternoon, high in the upper 20's.

Trajectory confidence: High

OUTLOOK: *** Low Threat *** Most cones are likely immature this early in the season. Conditions are very unfavorable for pollen release today. Breathtakingly cold near the source with midday temperatures in the low to mid-teens; tolerance zones for release are unreachable. Humidities also running high and only dropping slightly. Winds are fairly light. No release expected today, with Low Risk of exposure to residents of northern AR. TK

Trajectory Start(s) (shown by * 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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