University of Tulsa
Mountain Cedar Pollen Forecast
Date Issued: 9 January 2001
Mountain Cedar location(s): Ozark Mountains, AR/MO
Regional weather: Tuesday, January 9 - TX/OK/AR: High pressure governs the region again today. The center of the High will move from the central Plains to the south and east during the course of the day.... and will be positioned over the mid/lower Mississippi River valley by evening. As the High shifts, winds which are initially light and variable will turn to the southeast. Winds in the western sections of the region will be from the southeast all day and blow stronger than for other areas. Highs in the 50's and 60's, lows in the 30's and 40's with some 50's south. Increasing cloudiness in the west and south as the next system approaches. This system will bring wet weather to much of the region on Wednesday.
Trajectory weather: Fair today, high in the low 40's. Mostly clear tonight, low in the low 20's. Mostly sunny on Wednesday, high in the mid-40's.
Trajectory confidence: High
OUTLOOK: *** Low Threat *** Conditions are unfavorable for pollen release today. Temperatures will only reach the low 40's near the source, below the favorable range. Humidities are high through midday and only falling slowly. If they reach the favorable range this afternoon, it would be for a very limited time. Winds are light. No pollen release expected... with Low Risk of exposure to the populace. 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.
Questions: Aerobiology Lab e-mail: pollen@utulsa.edu
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