[willamette-fcst] TEST - Silverton Hills Forecast
Willamette Valley Field Burning Forecast
willamette-fcst at listsmart.osl.state.or.us
Thu Jul 6 13:43:48 PDT 2017
SILVERTON HILLS FIELD BURNING FORECAST
OREGON DEPARTMENT OF FORESTRY WEATHER OFFICE
1:30 PM PDT THU JUL 6, 2017
***This is a test in preparation for the 2017 Field Burning Season. Field Burning forecasts will begin being issued on Monday, July 10th.***
BURN ADVISORY:
TEST MESSAGE
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WEATHER DISCUSSION:
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TODAY'S FORECAST:
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EXTENDED DISCUSSION:
TEST MESSAGE
The National Weather Service's digital forecast is available at:
http://forecast.weather.gov/MapClick.php?lat=44.90549606158295&lon=-122.8106689453125&site=pqr&unit=0&lg=en&FcstType=text
Notes:
1. Mixing height, as used here, is the lowest height at which the
potential temperature exceeds the potential temperature at the
surface. As a practical matter it is the approximate height to
which a smoke plume will rise assuming good ignition, dry fuels,
and winds less than about 15 mph.
2. Transport winds are a layer average through the mixing height,
weighted slightly toward the winds at the top of the layer.
3. Ventilation Index is the height of the mixing layer (ft) times
the transport wind speed (mph) divided by 1000.
4. Surface wind direction is the general expected wind direction.
At a specific point surface winds are highly dependent on local
terrain conditions.
This forecast is provided under an agreement between the Oregon Department
of Agriculture (ODA) and the Oregon Department of Forestry (ODF). For
information contact ODA at 503-986-4701.
To add/remove your email address from this list, please go to:
http://listsmart.osl.state.or.us/mailman/listinfo/willamette-fcst
Tom Jenkins, AEM
ODF Meteorologist
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