Date Issued: 7 January 1998
Mountain Cedar location(s): Arbuckle Mountains, OK
Regional weather: Thursday, January 7 - TX/OK: Polar cold front dropping down from the north will get hung up along the TX/OK border. Developing low pressure area in eastern Texas as well. Result.....sunny west half of region, cloudy with morning fog and drizzle eastern half. Cold in OK with freezing drizzle/freezing rain today through Friday. Continued cloudy eastern TX with fog/drizzle late night through midday hours, partly cloudy to sunny western TX. Texas highs in the 50's north but mostly 60's and 70's. Lows tonight 20's and 30's OK and west TX....40's and 50's elsewhere.
Trajectory weather: Areas of dense fog through midday.....otherwise cloudy today and tonight with areas of drizzle or freezing drizzle. Temperatures holding nearly steady in the low 30's. Cloudy with a chance of rain on Friday, high in the mid-50's.
Trajectory confidence: Medium. The pattern of slow movement today and tonight followed by southward movement on Friday is sound.
OUTLOOK: *** Low Threat *** Conditions wholly unfavorable for pollen release......cold....humid...drizzly..and weak winds. Low Risk of pollen transport from this source today.....and likely through the weekend. TK
Trajectory Start(s) (shown by green dot on map): Sulfur, Oklahoma
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.
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