The University of Tulsa

Mountain Cedar Pollen Forecast

 

 

Date Issued: 21 January 2009

Mountain Cedar Location(s): Edwards Plateau, Texas

Regional Weather: Wednesday, January 21 – TX/OK: Across the region warm sunny conditions will remain again today with temperatures warming from yesterday. In Oklahoma, temperatures will be in the 60s.  Winds will be moderate and from the west during the day, then shifting to light and variable overnight. Tonight temperatures will be in the mid 30s with clear skies then mostly sunny again tomorrow with temperatures in the 70s.  Winds will be moderate and from the south.  Tomorrow night skies will become partly cloudy with temperatures in the lower 40s and winds shifting from the east at about 10.  In Texas today’s temperatures will warm into the mid 70s across the region. Winds will be from the southwest and will be light in the morning, gaining to moderate this afternoon. Tonight temperatures will range from the upper 30s to the lower 40s.  Winds will be light to moderate and from the south and southwest.  Thursday skies will remain clear and sunny in the surrounding communities, with partly cloudy skies over the Plateau.  High temperatures will be in the mid to upper 70s and moderate winds from the south and southwest.

Trajectory weather: Air mass trajectories from the Edwards Plateau move to the east, northeast. Clear skies today, with warm conditions will occur across the central Texas region.  Winds will be moderate starting from the southwest, shifting more towards the south overnight. Conditions in the tree population on the Edwards Plateau will be good for pollen release today and tomorrow because of warm sunny conditions and moderate winds. Tomorrow, similar conditions will occur throughout the region.  Stable atmospheric conditions will result in moderate to good conditions for travel of pollen entrained in the atmosphere.

 

OUTLOOK: *** High Threat*** favorable conditions for pollen release along with moderate to good conditions for entrainment and transport. Warm conditions with moderate winds will present favorable conditions for pollen release, and good conditions for entrainment and travel.  Entrained pollen will flow over northeastern and eastern Texas during the next 24 hours.  Tomorrow, moderate winds, sunny skies and dry conditions will maintain the chance of pollen dispersal and movement tomorrow as well. Very high levels of pollen have been recorded over the past few days.  Very high concentrations are expected to continue across the region today and tomorrow.

 

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

AUSTIN

 

JUNCTION

SAN ANGELO

 

 

 

EDWARDS PLATEAU COMPOSITE

Prepared by: Estelle Levetin (Faculty of Biological Science, The University of Tulsa, 800 S. Tucker Dr., Tulsa, OK 74104) and Peter K Van de Water (Department of Earth and Environmental Science, California State University Fresno, 2576 East San Ramon Avenue, M/S ST24, Fresno CA  93740-8039). 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: [email protected]

 

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