University of Tulsa
Mountain Cedar Pollen Forecast


Date Issued: 18 January 1998

Mountain Cedar location(s): Edwards Plateau, Texas

Regional weather: Monday, January 18 - TX/OK: High pressure centered to the east will control the weather for the next day or so. Other than some late night clouds/fog in parts of Texas, skies will be clear to partly cloudy and temperatures will be warm. Highs in the 60's and 70's, lows mostly in the 40's tonight.

Trajectory weather: Mostly sunny today, high around 70. Clear tonight, low in the low 40's. Partly cloudy on Tuesday, high in the 60's.

Trajectory confidence: High

OUTLOOK: *** SERIOUS Threat *** Conditions are quite favorable for pollen release and the potential exists for appreciable long-range transport. Significant release expected. Slow initial movement this afternoon will be followed by much quicker transport overnight. South-central Texas and the Edwards Plateau will be affected this afternoon. Airborne pollen will move through western sections of north Texas this evening, then flow across Oklahoma late tonight and Tuesday in a southwest to northeast fashion. Residents of Abilene and Wichita Falls may feel some ill effects tonight.....with those persons living in Oklahoma City and Tulsa feeling some effects Tuesday morning. Some airborne pollen will continue to move through extreme southeast Kansas and central Missouri on Tuesday. 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 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:

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