Date Issued: 16 December 1999
Mountain Cedar location(s): Edwards Plateau, Texas
Regional weather: Thursday, December 16 - TX/OK: High pressure and dry air will be the rule for this forecast period. A weak trough will move into the region tonight. Other than some clouds in the northern sections, little active weather will be associated with its passage. Highs in the 50's and 60's today, 50's to 70's on Friday. Lows tonight in the 20's and 30's.
Trajectory weather: Austin: Some high cloudiness today, high in the low 60's. Partly cloudy tonight, low in the low 30's. Partly cloudy Friday, high in the 50's. Junction/San Angelo: Some high clouds today, high in the 60's. Partly cloudy tonight, low in the mid-30's. Partly cloudy Friday, high in the mid-50's.
Trajectory confidence: High from all sources. Some air parcels will be carried east ahead of the trough; others from the western side of the Plateau will move north, then turn back to the south as winds shift behind the trough.
OUTLOOK: *** Low Threat *** Little release expected. Situation similar to Wednesday...... temperatures and humidities are favorable, but not much pollen is available for release due to immaturity of many cones. 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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