University of Tulsa
Mountain Cedar Pollen Forecast

Mountain Cedar location(s): Edwards Plateau, Texas

Regional weather: Monday, January 15 - TX/OK/AR: Unsettled weather brewing. Variably to mostly cloudy today southern areas; sunny to fair skies northern areas. Clouds will increase during the next 24 hours and rain, beginning in southern TX this afternoon, will move north tonight and Tuesday. Northern sections will have a mixture of precipitation and/or snow, starting after midnight tonight and continuing Tuesday. Highs today mostly in the 50's, lows tonight mostly 30's and 40's. Highs Tuesday 30's and 40's north, 50's and 60's south.

Trajectory weather: Cloudy eastern sections with a slight chance of rain this afternoon; increasing cloudiness other sections today. High in the 50's. Precipitation beginning this evening and continuing overnight, low in the 20's Panhandles to low 30's TX south plains. Snow likely Tuesday, high in the low 30's.

Trajectory confidence: High.

OUTLOOK: *** Low / Moderate Threat *** Mixed conditions for pollen release. Temperatures are in the 50's this afternoon and winds are light east to moderate west. Today's sticking point are the humidities, which have been slow to fall today over most of the Plateau. Most readings this afternoon remain above the tolerance range although values will become somewhat favorable over the northernmost areas. Some release is possible, but amounts should be on the lighter side for most areas. Moderate Risk of exposure from the northern and western sections of the Edwards Plateau..... northwestward into the TX plains and the Panhandles. Low Risk of exposure for other areas today and for Kansas on Tuesday. Precipitation will have cleansed the air of most of any airborne pollen by late tonight. TK

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

Austin, TX

Junction, TX

San Angelo, TX

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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