Date Issued: 13 January 2000
Mountain Cedar location(s): Edwards Plateau, Texas
Regional weather: Thursday, January 13 - TX/OK: The tail end of a cold front is moving through southern TX and dissipating. Few clouds and no rain are associated with it. High pressure will govern the weather for the next few days. The High is centered to the north and west of the region today but will move quickly eastward. Winds from the north today will shift to the south on Friday. Due to the circulation around the High, moisture flow into southern TX will increase tonight and Friday. Late night to early morning clouds and fog, some already present, will increase in duration and geographical coverage. Comparatively cooler today with temperatures warming again this weekend. Highs today and Friday in the 50's to 70's. Lows tonight ranging from the 20's to 50's.
Trajectory weather: Mostly sunny this afternoon, high in the 60's west, 70's east. Clear to partly cloudy tonight, low in the low 50's south TX, 30's west TX. On Friday...... cloudy with a chance of showers for deep South TX and beyond, high in the 60's. Sunny along the other trajectories, high in the 60's.
Trajectory confidence: High
OUTLOOK: *** Serious Threat *** Disease Update 10 Jan: Bill Durbon and his observers in Junction report that "pollen is starting to pop all over the place". 12 Jan: Additional reports from other areas of Texas indicate increased pollen release for many areas *** Favorable conditions for pollen release. Temperatures and humidities are favorable with moderate, gusty winds. Strong Release Expected. Airborne pollen will be travelling mostly southwest today, giving a break to other areas of Texas. Residents of south-central TX.... the hill country... and the Edward's Plateau may be affected this afternoon and tonight. Residents of western and far west TX may feel some ill effects later tonight and Friday as the changing winds bring the pollen into those regions. 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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