University of Tulsa
Mountain Cedar Pollen Forecast


Date Issued: 24 January 2001

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

Regional weather: Wednesday, January 24 - TX/OK/AR: A series of disturbances moving through the region will keep the region from drying out much during the next few days. Nighttime clouds and fog in many areas. Chance of drizzle or light rain in south TX also, as happened this morning, and perhaps other areas. At midday, cloudy skies in southern TX, mostly sunny skies across central TX, variable clouds in the Panhandles, OK, and AR. High pressure moving southward through the central U.S. Plains will be centered over MO by Thursday morning. Today's light winds will be on the increase from the southeast, pumping moisture into the region. Chance of rain along the Rio Grande and west TX by early Thursday, moving east. Other than this morning's drizzle or light rain, dry for the rest of the day.

Trajectory weather: Partly cloudy today, high in the low 50's. Becoming clear tonight, low near 30. Increasing cloudiness with a slight chance of rain by late in the day on Thursday, high in the upper 40's.

Trajectory confidence: High

OUTLOOK: *** Low Threat *** Conditions are mostly unfavorable for pollen release today. Forecast highs near the source are the upper 40's. It appears like they will be realized, resulting in marginal favorability. Winds are generally light. Humidities have decreased through the midday hours and are marginally favorable at early afternoon, but are unlikely to decrease any further. Overall... . Little 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.

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