Date Issued: 9 February 2000
Mountain Cedar location(s): Arbuckle Mountains, OK
Regional weather: Wednesday, February 9 - TX/OK: Variably cloudy in the south and west; some morning low clouds and/or fog in some eastern areas. Clear to partly cloudy otherwise. A low pressure area is developing in the central Plains today while a cold front is pushing down from Canada farther north. The new Low will move east tonight and Thursday. Initial surge of the cold front will stop short of the region; then, as the Low moves east, a second surge will move the front into the northern sections on Thursday. Meanwhile, very warm and windy conditions will govern the OK/TX region. Nearly all areas will be dry. Highs today and Thursday in the 60's to 80's. Lows tonight ranging from the 30's to 60's.
Trajectory weather: Partly cloudy today, high near 70. Increasing clouds tonight with a chance of showers late, low near 40. Chance of rain Thursday, high in the low 50's.
Trajectory confidence: High.
OUTLOOK: *** Low Threat *** We are nearing the end of the season so there is little pollen available for release. Temperatures are favorable but humidities are marginal, at the edge of the tolerance zone. Winds are moderate to strong. Some light release is expected today. Residents of central OK and southeast KS are the most likely to be affected by airborne pollen from this source. 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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