The University of Tulsa

Mountain Cedar Pollen Forecast

Metropolitan Area

Exposure Risk

Dallas/Fort Worth

Moderate to High


Moderate to High

San Antonio

Moderate to High


Date Issued: 18 January 2010

Mountain Cedar Location(s): Edwards Plateau, Texas

Regional Weather: Monday, January 18 TX/OK: Conditions across the region are mild with high temperatures in Oklahoma in the upper 50s to mid 60s. Skies will be clear to partly cloudy with light to moderate southerly winds. Morning fog in the northeastern Oklahoma should lift by noon. Lows tonight will be in the 40s with further warm up tomorrow into the mid to upper 60s. In Texas today the afternoons highs will be in the 60s with clear to partly cloudy skies with light to moderate south, southwest winds. Morning fog and drizzle will be apparent in south central parts of the area; however, skies are expected to clear in the afternoon. Lows tonight will range from the low 40s to the mid 50s across the area. Highs tomorrow are expected to be in the low to mid 70s with partly cloudy skies.

Trajectory weather: The trajectories from the Edwards Plateau move to the north, northeast over central Texas, Oklahoma and into Kansas on light to moderate winds. Across the Plateau this morning, temperatures will be warm with afternoon highs in the mid to upper 60s. On the eastern and southern parts of the source area, skies are overcast with fog and drizzle in some areas, while skies are clear on the central and western parts. Clearing is expected this afternoon. Temperature will be moderate overnight tonight and warm up even further tomorrow.

OUTLOOK: *** Moderate to High Threat *** mixed conditions for pollen release today and mixed conditions for entrainment and transport. Warm temperatures but high humidity and overcast skies this morning on the eastern portion of the Plateau leads to only moderate conditions for pollen release. Conditions for pollen release and transport on the western side of the plateau are favorable. Conditions for pollen release may improve this afternoon across the region leading to high threat this afternoon and evening.

Trajectory Start (s) (shown by * on map): Austin, TX; Junction, TX; Sonora, TX.





Prepared by: Estelle Levetin (Faculty of Biological Science, The University of Tulsa, 800 S. Tucker Dr., Tulsa, OK 74104) and ) and Peter K Van de Water (Department of Earth and Environmental Science, California State University Fresno, 2576 East San Ramon Avenue, M/S ST24, Fresno CA 93740-8039). 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.


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