Pollen Forecast, 24 January 2001

University of Tulsa
Mountain Cedar Pollen Forecast


Metropolitan Area

Exposure Risk

Oklahoma City




St. Louis


Date Issued: 24 January 2001

Mountain Cedar location(s): Arbuckle Mountains, OK

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 mornings drizzle or light rain, dry for the rest of the day.

Trajectory weather: Variably cloudy this afternoon, slight chance of a sprinkle, high near 50. Partly cloudy tonight, low in the mid-30's. Becoming cloudy on Thursday with a slight chance of showers by late in the day, high in the low 50's.

Trajectory confidence: High

OUTLOOK: *** Low Threat *** Conditions are mostly unfavorable for pollen release today. Temperatures reaching the upper 40's for the maximum, which is borderline favorable. Humidities near the source have remained far above the favorable range through early afternoon. Winds are fairly light. Little to no release expected today. Low Risk of exposure. TK

 Trajectory Start(s) (shown by black star 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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