Pollen Transport Forecast, 23 January 2001

University of Tulsa
Mountain Cedar Pollen Forecast


Metropolitan Area

Exposure Risk

Dallas / Ft. Worth




San Antonio


Date Issued: 23 January 2001

Mountain Cedar location(s): Edwards Plateau, Texas

Regional weather: Tuesday, January 23 - TX/OK/AR: High pressure surrounds the region today. A weak cold front will move through the region tonight, aided by some upper-level moisture and energy. The majority effect is and will be some mid to high-level cloudiness, some fog, and a slight chance of rain for some areas. Most locations will remain dry. Highs today mostly in the 50's and 60's, lows tonight mostly 30's and 40's.

Trajectory weather: Variably cloudy east; sunny this afternoon becoming mostly cloudy in the west. High in the 50's. Cloudy with a slight chance of rain tonight, low in the 30's. Decreasing clouds on Wednesday, high in the 50's.

Trajectory confidence: High.

OUTLOOK: *** Low to Moderate Threat *** Mixed conditions over the Edwards Plateau today. The situation is much like Monday's.... when conditions were unfavorable to borderline in the eastern Plateau and somewhat favorable to favorable in the western Plateau. Shifting winds, indicated well by the trajectories, will keep any airborne pollen circulating across a broad area of central TX during the next 24-36 hours. Moderate Risk of exposure for the western Edwards Plateau and west-central TX; Low Risk for central and north-central TX. 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

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