Mountain Cedar location(s): Arbuckle Mountains, OK
Regional weather: Friday,
January 23 – TX/OK: Across the region today conditions will be rainy
with the showers ending this morning to early afternoon. The Edwards Plateau will have a 30% chance of
precipitation. This morning some of the moisture
may have fallen as snow, but little of it was expected to stick on the
ground. The edge communities will have a
50% chance of rain today and even as far north as the Dallas/Ft. Worth area a
20% chance of precipitation will exist.
Temperatures this afternoon will begin the warming process, but with the
last couple of days of rain most areas will only get into the upper 40s. The edge communities will just make it to the
50s. Winds will be from the northwest at
moderate to strong conditions. The San
Antonio area may have gusts upwards of 25 miles per hour. Into the afternoon skies will begin to clear
and clear skies are expected overnight.
Temperatures tonight will be in the 20s across the Edwards Plateau and
in the mid to lower 30s in the surrounding communities and northward along the
I-35 corridor. Southern Oklahoma will
drop to 30 overnight. Tomorrow the
Plateau will retain partly cloudy skies whereas the rest of the region should
begin the day with clear conditions.
Temperatures tomorrow will rebound back into the mid- to upper 50s over
the Plateau and north towards southern Oklahoma. The surrounding communities will have a
chance of getting into the low 60s.
Winds will continue from the northwest at light to moderate
conditions. Tomorrow night clouds will build
in over the Edwards Plateau and mostly clear skies will occur in Dallas/Ft.
Worth area and to the north. Low
temperatures will be in the 30s across Texas and southern Oklahoma.
Air mass trajectories over southern
Oklahoma will be recovering from the system that moved through the region
yesterday. The air will be cold and dense with high temperatures expected in
the upper 40s. Skies will be clearing
and mostly sunny conditions will prevail.
Temperatures today will be in the 40s with winds from the northwest at
light levels, topping out at 10 miles per hour. Tonight temperatures will drop to 30 degrees
with mostly clear conditions and light winds.
Tomorrow temperatures will climb into the mid- 50s with mostly sunny
skies and winds from the northwest. Tomorrow
night temperatures drop to the upper 30s under clear skies. With the significant rainfall across the
region over the past few days it is expected that most pollen was removed from
the atmosphere, and with cold temperatures today, little pollen will be released. Conditions will be drying and the amount of
pollen should be relatively low. In addition
the air is dense and moving at ground level where impaction will play a greater
role. Tomorrow conditions will improve with skies clearing and warmer
temperatures and the threat of significant pollen returning.
OUTLOOK: *** Low Threat today and High threat Tomorrow. Today conditions will be recovering from the
precipitation events over the past few days.
With most of the area in the 40 degree range today conditions will be poor
for pollen dispersal, entrainment and travel.
High temperatures will remain in the 40s across the area but skies will
be clear and a warming trend will begin for the weekend. Winds at the surface will be from the
northwest at light to moderate conditions.
Overnight temperatures will drop into the low 30s. Conditions
are poor to moderate for pollen release today with the trajectories moving at the
surface . Looking towards tomorrow,
however, conditions will improve and pollen cones are expected to open bringing
concentrations back into the atmosphere.
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.