Too Cold!

Weather

Any of many phone apps can report predicted air temperature, cloud cover, precipitation, wind speed & direction.

Portland Air Quality

NOAA-Northwest River Forecast Center – Willamette River @ Morrison Bridge – velocity & depth predictions, temperature history

Additional links for weather details

Portland Wind Forecast

National Weather Service

NOAA – Tides – Morrison Bridge predictions

USGS National Water Information System – measured data, no prediction

Willamette Sailing Club – measured data, no prediction

Go/No-go Notification

If we cancel practice before arriving at the dock, a TeamSnap Alert will be sent to all GD members, usually by a msg to the TeamSnap app on your phone, or by email. (See Using Teamsnap to setup your phone for Alerts.) IF YOU ARE IN DOUBT ABOUT PADDLING, CHECK YOUR PHONE/EMAIL BEFORE COMING TO THE DOCK!

Weather CriteriaMetric
Visibility at River Surface (daylight)1150 yards or more; the Hawthorne bridge must be visible from the River Place dock
Visibility at River Surface (night)2red & green bow lights and white stern light visible from 100 yards
Air Temperature3predicted air temperature @ 9AM >= 32oF
Wind4<17mph – 10 to 12 paddlers minimum
17 to 23mph – 14 paddlers minimum
>23mph – no paddling
Storm forecast5If storm forecast includes a warning for lightning, no paddling permitted
Air Pollution6AQI > 100 – Unhealthy for Sensitive Groups
AQI > 150 – Unhealthy, no paddling
River Velocity at Morrison Bridge7>2.5 fps (1.7 mph) 14 – 16 paddlers minimum
>3.0 fps (2.0 mph) no paddling
River Algal Bloom8Oregon Health Authority, Public Health Division, issues advisories if cyanobacteria toxin levels exceed their criteria.
River E. Coli Count9<406 is acceptable by Oregon Department of Environmental Quality
Combined Sewer Overflows10If CSO occurs, Portlanders are advised to stay out of the water for 48 hours
City Severe Travel Warnings/Portland School Weather Closing11no paddling
Footnote #Link
1DSUSA Safety Rules & Guidelines, “Fog/Reduced Visibility”
2DSUSA Safety Rules & Guidelines, “Rules Applicable to all DSUSA Boats, #6”
3Operational Procedures Appx 5 – GD Water Safety Plan, “Sect. D-a-6”
4DSUSA Safety Rules & Guidelines, “Wind”
5DSUSA Safety Rules & Guidelines, “Lightning”
6AirNow, Portland Air Quality
7DSUSA Safety Rules & Guidelines, “Current”
8Oregon Health Authority, Cyanobacteria Blooms, “Current Advisories”
9City of Portland Oregon Bureau of Environmental Services, “Morrison Bridge E. coli”
10City of Portland Oregon Bureau of Environmental Services, “About CSOs”
11Operational Procedures, “Sect. III-C-2”