Mountain Cedar location(s): Edwards Plateau, Texas.
Regional weather: Monday,
December 29 – TX/OK: Across the
region today skies will be cloudy to the north, but mostly sunny to sunny
conditions south of the Dallas/Ft. Worth area.
With the clear skies and full sun temperatures across the Edwards
Plateau and in the surrounding communities temperatures will rise into the mid
to low 60s. Over the Plateau winds will
be light, 5 to 10 miles per hour, from the southwest. In the surrounding communities from San
Antonio north to Austin and Waco winds will be from the south. To the north winds will be from the
southeast. Overnight temperatures will
drop into the low 30s to upper 20s across the Edwards Plateau. In the surrounding
communities and north past Dallas/Ft. Worth temperatures will be in the mid-30s,
falling into the 20s in southern to central Oklahoma. Winds will be shifting overnight from an earlier
south to southeasterly breeze to a dominating northeasterly flow. Tomorrow, to the north skies will be partly
cloudy, whereas the Edwards Plateau and the southern portion of the surrounding
communities (San Antonio) will start the day partly cloudy then become mostly
cloudy. Winds will be from the northeast
at moderate conditions and temperatures will remain in the upper 30s to upper
40s. The surrounding communities along
the I-35 corridor will remain in the low 50s.
Tomorrow night cloudy conditions will remain with a chance of frozen
drizzle and/or precipitation across the Edwards Plateau, especially towards the
southern areas. Junction, San Angelo and
Sonora have the chance of precipitation in the forecast. Low temperatures will be in the mid-20s, the
surrounding areas will be in the 30s and close to 20 degrees in southern
Air mass trajectories over the
Edwards Plateau today will move northward on southerly winds that will be light. Across the southern portion of the Edwards
Plateau winds will flow from the southwest.
Temperatures today will warm into the mid to lower 60s across the
region. As the day continues and into
tomorrow, the air will be rising as it travels, especially towards the north
where dense cold air is moving south.
The air mass over the Plateau today will be lifting as the denser air
mass to the north moves into the region.
Overnight temperatures will be close to freezing as the northeasterly
flow moves in. Tomorrow winds will increase to moderate conditions and
temperatures will remain on the cold side.
Across the Plateau daytime high temperatures will struggle to get out of
the 40 degree range with the western Plateau remaining in the 30s. Only in the
edge communities will conditions be warm enough for pollen release and with the
dense air any pollen that is entrained should remain close to the ground,
limiting its long distance transport. Tomorrow night moisture will move into
the western Plateau with a chance of frozen rain or drizzle from Junction
southward and westward towards Sonora and San Angelo.
Severe Threat today and Moderate to poor Threat Tomorrow *** good conditions for
pollen release today with warm temperatures in the mid- to low 60s on the
Plateau and in the surrounding communities.
Temperatures will get into the mid-50s in north Texas. Winds will be from the south to southwest
today with light to moderate wind strength. Tomorrow conditions for release
will decline to poor with cold northerly air spreading across the region. High temperatures tomorrow will struggle to
get out of the 30s and 40s across the Edwards Plateau. In the edge communities highs will be in the
50s and may see limited release and entrainment. The dominant wind direction will be from the
northeast moving entrained pollen back towards the Plateau. Tomorrow night the Plateau will have an
increased chance of frozen rain or drizzle to the west. Nightime temperatures will be mostly well
below freezing. The surrounding edge communities
will be cold but stay in the 30s just above the freezing mark.
Start (s) (shown by black stars on map): Austin, TX
Matrix of sites across the Edwards Plateau (100 meters; 12:00 pm cst)
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: email@example.com