Pollen Transport Forecast, 19 January 1999

University of Tulsa
Mountain Cedar Pollen Forecast


Date Issued: 19 January 1999

Mountain Cedar location(s): Edwards Plateau, Texas

Regional weather: Tuesday, January 19 - TX/OK: Weak frontal system moving into the region but any associated precipitation will stay to the north for the next day or so. Unseasonably warm many places....today's highs in the 60's and 70's with a few 80's parts of TX. Lows tonight 30's OK...40's and 50's TX.

Trajectory weather: Austin: Morning low clouds/fog....drizzle possible....then partly cloudy in the afternoon, high in the upper 70's. Fair tonight with increasing clouds late, low near 50. Partly cloudy Wednesday with a chance of showers late in the afternoon, high in the upper 60's. Junction/San Angelo: Partly cloudy to mostly sunny today, high in the upper 70's. Mostly clear tonight with increasing clouds by morning, low in the low 50's. Morning low clouds on Wednesday, then partly cloudy, high in the low 70's.

Trajectory confidence: High

OUTLOOK: *** SERIOUS Threat West ...... Moderate Threat East *** Conditions are very favorable for pollen release in the western sections of the Plateau with significant release expected. The weather is somewhat favorable in the eastern areas of the Plateau. Winds are strong and it's warm, but humidities are very high and aren't showing many signs of decreasing at midday. However, pollen release during the afternoon hours is probable. The bulk of the airborne pollen will be moving slowly northeast.....affecting central Texas today and tonight and north Texas on Wednesday. Lesser but appreciable amounts of airborne pollen will move through east-central Texas today.....northeast Texas tonight...and southeast Oklahoma on Wednesday. TK

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

Austin, TX

Junction, TX

San Angelo, TX

Prepared b: 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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