University of Tulsa
Mountain Cedar Pollen Forecast

Date Issued: 26 December 2000

Mountain Cedar location(s): Arbuckle Mountains, OK

Regional weather: Tuesday, December 26 - TX/OK/AR: Major winter storm in progress: The weather situation has evolved as expected in the south-central U.S. over the past several days. Precipitation in all forms, much of it heavy, fell yesterday in the region and continues unabated today. Snow, sleet, freezing rain, showers, and thunderstorms can be found. The system will affect the region again on Wednesday, then slowly move to the east as the day progresses. Highs from the 20's and 30's north to 50's and 60's south. Lows ranging from the 10's and 20's north to 40's south and east.

Trajectory weather: Periods of freezing rain today, heavy at times, high near 30. Freezing rain changing to rain... showers.. and thunderstorms overnight. Temperatures warming into the 40's. Cloudy with rain on Wednesday, high in the low 50's.

Trajectory confidence: High

OUTLOOK: *** Low Threat *** Conditions are highly unfavorable for pollen release today. Ice storm warning in effect for a broad area of southern OK and northern TX, with attendant temperatures (low) and humidities (high). No pollen release expected; 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.