The University of Tulsa
Mountain Cedar Pollen Forecast
Metropolitan Area |
Exposure Risk |
Dallas/Fort Worth |
Low |
Austin |
Moderate to High |
San Antonio |
Moderate to High |
Date Issued: 29 January 2009
Mountain Cedar Location(s): Edwards Plateau, Texas
Regional Weather: Thursday, January 29 – TX/OK:
Across the region the weather will be improving, returning to warmer conditions today and tomorrow. There is a
chance of freezing fog this morning in north Texas but sunny skies will eventually prevail across the area and
remain tomorrow. Temperatures in Oklahoma will be in the 40s today with clear to partly cloudy skies and moderate
northwest winds. Overnight lows will be in the 20s. The warming trend will continue on Friday with temperatures
ranging from the upper 40s to the mid 50s; skies will be clear with light to moderate westerly winds. In Texas,
skies will be clear today with temperatures in the 50s and 60s and northerly winds. Overnight lows will be in the
30s. Conditions will continue to improve on Friday with temperatures in the upper 50s to upper 60s, sunny skies,
and west winds.
Trajectory weather: Air mass trajectories from the Edwards Plateau mainly move to the south but show some
variability across the area with some trajectories moving southeast and others southwest. Trajectory characteristics
are mixed for entrainment and dispersal. Trajectories from the west show poor characteristics; while others are
good. At the source sites today, skies will be sunny with temperatures ranging from the mid 50s to the low 60s.
Low temperatures tonight will dip into the 30s in the surrounding communities and into mid to lower 20s on the
Plateau. Temperatures will be warmer tomorrow with sunny skies continuing.
OUTLOOK: *** Moderate to High Threat *** mostly favorable
conditions for pollen release today along with mixed conditions for entrainment and travel. Warming conditions
with moderate winds today along with a buoyant atmosphere later in the afternoon will present moderate conditions
for pollen release, and moderate conditions for entrainment and travel. Winds today will be towards the south.
Tomorrow winds will blow from the southwest reversing the travel direction. Tonight clear skies will result in
cold temperatures, reaching into the lower 20s on the Plateau.
Trajectory Start (s) (shown by *
on map): Austin, TX; Junction, TX; San Angelo, TX.
AUSTIN
JUNCTION
SAN ANGELO
EDWARDS PLATEAU COMPOSITE
Prepared by: Estelle
Levetin (Faculty of Biological
Science, The University
of Tulsa, 800 S. Tucker Dr., Tulsa, OK 74104) and ) 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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