The University of Tulsa
Mountain Cedar Pollen Forecast
Metropolitan Area |
Exposure Risk |
Oklahoma City |
Low |
Tulsa |
Low |
St. Louis MO |
Low |
Date Issued: 14 January 2013
Mountain Cedar Location(s): Arbuckle Mountains, OK
Regional Weather: Monday, January 14 – TX/OK:
Across the region the weather will continue to be cold as the entire area will be under a northeasterly flow at
light to moderate conditions. High temperatures today will be in the mid to upper 40’s in Texas and into the upper
30’s in Oklahoma. Most of the skies will be partly cloudy except for the Dallas/Fort Worth metro area southward
towards the edge communities of Austin and San Antonio. Although sunny and partly sunny conditions will occur
the cold temperatures remain across the region. Tonight, partly cloudy skies will remain to the north with partly
cloudy skies building to mostly cloudy conditions across the Edwards Plateau and in the edge communities. Tonight
the region will drop into the 20’s, except for the areas along the southern most Edwards Plateau where they will
try to stay in the low 30’s. Winds will maintain themselves coming from the northeast at light levels. Tomorrow
partly cloudy conditions will remain to the north and mostly cloudy conditions over the Edwards Plateau and in
the surrounding communities. High temperatures will once again remain in the mid to lower 40’s throughout the
region with winds building back to moderate conditions from the northeast. Tomorrow night the north, in Oklahoma,
will be mostly clear whereas to the south across Texas mostly cloudy skies will build in. Low temperatures will
return back into the mid to lower 20’s on the Edwards Plateau and the lower 30’s to the upper 20’s in the surrounding
communities. In Oklahoma low temperatures are expected to drop into the teens with clear, cold conditions. Winds
will remain from the northeast at light to moderate conditions.
Trajectory weather: Air mass trajectories over the Arbuckle Mountains move southwest on northeasterly breezes
today, tonight and tomorrow. The winds will move the trajectory towards west Texas where swirling conditions will
cause the air masses to stagnate. The cold atmosphere will interact becoming warmer and more buoyant as the overall
trough of cold air begins to push east. However, winds will remain from the northeast over the entire forecast
period and cold conditions are expected during the day and very cold conditions at night. On Monday and Tuesday,
conditions warmer than the upper 40’s will be hard to find anywhere across the region.
OUTLOOK: *** Low Threat today and Low Threat tomorrow *** Cold conditions will
occur today, tonight, tomorrow and tomorrow night. Skies will be partly cloudy across the region in Oklahoma where
less cloud cover will occur but that will bring on colder night time temperatures. High temperatures will only
be in the high 30’s today and at 40 degrees tomorrow. These conditions make for a poor threat for pollen release
today and tomorrow. In addition, we do not expect there to be significant entrainment nor significant amount travelling
downwind. There is a minor possibility for those living in and around the tree populations may receive some exposure,
but it should be minor
Trajectory Start (s) (shown by black
star on map): Davis, OK.
Prepared by: Estelle
Levetin
(Faculty
of Biological Science, The University of Tulsa, 800 S. Tucker Dr., Tulsa, OK 74104) and Peter
K Van de Water
(Department of Earth and Environmental Science, California State University Fresno, 2576 East San Ramon Avenue,
M/S ST24, Fresno CA 93740-8039). 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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