University of Tulsa
Mountain Cedar Pollen Forecast
Date Issued: 19 January 2001
Mountain Cedar location(s): Ozark Mountains, AR/MO
Regional weather: Friday - Sunday, January 19 - 21 - TX/OK/AR: Surface low pressure and upper-atmospheric energy moving off to the east. Some clouds and a chance of rain this morning for parts of central and eastern TX, otherwise dry across the region. Sunny to partly cloudy skies most areas and cloudiness in central and eastern TX will be dissipating this afternoon. Cold arctic air moving southward from the central Plains will envelop the region tonight and Saturday. Temperatures may be higher in some locations on Saturday with the increased sunshine, however. A weak system will clip the northeastern corner of the region Saturday night / Sunday morning, which may bring some flurries to northeast OK and northwest AR. Otherwise dry Saturday and Sunday. Highs 30's to 50's today, mostly 40's and 50's Saturday, 40's to 60's Sunday. Lows10's and 20's tonight, 20's and 30's Saturday night.
Trajectory weather: Variably cloudy today, chance of snow flurries. Temperatures nearly steady in the mid-30's. Partly cloudy tonight, low in the upper 20's. Partly cloudy Saturday, high in the mid-40's.
Trajectory confidence: High
OUTLOOK: *** Low Threat *** Conditions are unfavorable for pollen release from Friday through Sunday. High temperatures will only reach the low 30's each day, far below the tolerance range. Humidities are fairly high today as well, and may also be too high on Sunday. No release expected, with Low Risk of exposure through the weekend. TK
Trajectory Start(s) (shown by black star on map): Oak Grove, AR
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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