University of Tulsa
Mountain Cedar Pollen Forecast
Date Issued:
Mountain Cedar location(s): Ozark Mountains, AR/MO
Regional weather: Thursday, December 12 TX/OK/AR: Conditions across the region will deteriorate today as the high pressure slips to the east and a weather system moves through, north of Oklahoma. Temperatures will continue to be warm but humidity will increase and skies will be cloudy to mostly cloudy across the region. Showers and sprinkles will occur in the northern areas today along with the possibility of rain to the south along the southern edge of the Edwards Plateau. On Friday, conditions will once again begin to improve region wide with clearing skies to the north and sunny conditions to the south. Today, winds will be light to moderate and from the south to southwest regional wide shifting to out of the north to northwest overnight and into Friday. Even with higher humidity across the region high temperatures will be balmy with conditions across the Edwards Plateau and Hill Country reaching the upper 50’s to low 60’s both today and tomorrow. Lows overnight on Wednesday will be in the upper 30’s to mid 40’s. To the north temperatures will be 5 to 10 degrees cooler all around with highs on today and Friday in the mid-40’s to low 50’s. Low temperatures will be mid 30’s tonight.
Trajectory weather: The air mass trajectories from the Ozark Mountains move to the north on light winds the turn to the southeast over southern Missouri. Cold conditions continue in the Ozark Mountain region with high temperatures only in the mid to upper 40’s and lows near freezing. Precipitation is expected over night from the system moving through the area and the chance of snow is in the forecast tonight into tomorrow morning. Light to moderate winds will be out of the south to southwest today shifting to the north-northwest. High temperatures on Friday will struggle to reach into the 40’s
OUTLOOK: *** Low threat today *** unfavorable conditions for pollen release today. Conditions in the Ozark Mountains are unfavorable for pollen release today with low temperatures and the chance for precipitation. Including snow overnight. For these reasons unfavorable conditions for pollen release are expected with a low threat of local or downwind disersal.
Trajectory Start(s) (shown by black star on map): OakGrove, AR
Prepared by: Peter K. Van de Water (Department of Geosciences, Oregon State University), and EstelleLevetin (Faculty of Biological Science, The University of Tulsa, 600 S. College, Tulsa, OK 74104). 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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