Date Issued: 8 December 1999
Mountain Cedar location(s): Edwards Plateau, Texas
Regional weather: Wednesday, December 8 - TX/OK: Storm system developing in west Texas and will move east during the next 48 hours. Windy through the period. Increasing clouds and humidity with precipitation beginning later today, continuing into Thursday. South and west TX will likely remain dry. Other areas will range from scattered showers or thunderstorms...... to constant rain..... to snow in the Panhandles. Highs today in the 40's and 50's north, 60's and 70's south. Lows ranging from 20's Panhandles to 50's TX coast. Cooler Thursday with highs in the 30's and 40's north, 50's and 60's south.
Trajectory weather: Partly to variably cloudy west; mostly cloudy east with a chance of showers or thunderstorms. High in the low 70's. Cloudy with rain likely tonight and possible thunderstorms. Lows in the upper 30's northern OK to near 50 southern OK. Snow on Thursday for KS, tapering to flurries, high holding in the 30's. For OK, showers likely Thursday morning. Temperatures holding steady or falling into the 40's.
Trajectory confidence: High.
OUTLOOK: *** Low Threat *** Mixed conditions for release today. Though drier to the west, humidities today are higher Plateau-wide than yesterday. Many eastern sections will not drop below 50%. Temperatures are well above the tolerance level. Winds are strong from the south. Rain will wash out any airborne grains tonight. With little pollen available to be released, effects on those people living in north-central Texas or southwest Oklahoma should be minimal. 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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