Atmospheric River and big totals through 3/15

Tomer’s Take: Deep snow bullseyes are likely through 3/15 with a return of a moderate (to strong) atmospheric river 3/10-3/12. 9-day grand totals of 80-90 inches across the Sierra, and 36-40 inches across parts of the Wasatch.

Kirkwood is reporting 19 inches in the last 24 hours, and 34 inches in 48 hours.

Palisades Tahoe is reporting 11 inches in the last 24 hours, and 21 inches in 48 hours.

Alta is reporting 17 inches in the last 24 hours, and 40 inches in the 48 hours.

Forecast Pattern

Forecast jet stream valid 3/11. The orientation of the jet is like a firehose of moisture for the Sierra.

Atmospheric River Forecast

Below is the ECMWF Integrated Vapor Transport (IVT). Notice the moderate (to possibly strong) intensity AR forecast.

Forecast Timing

Forecast radar/satellite valid 3/6-3/11.

Palisades Tahoe, CA

3/6: 8″

3/7: 3″

3/8: 10″

3/9: Late 6″

3/10: 30″

3/11: 6″

3/12: 6″

3/13: 12″

3/14: 1″

3/15: 12″

Alta, UT

3/6″ 8″

3/7: 5″

3/8: 5″

3/9: 1″

3/10: 12″

3/11: 12″

3/13: 1:

3/14: 1″

3/15: 1″

Forecast Totals

3/6-3/8:

3/9-3/15:

3/6-3/15:

3/6-3/15:

3/6-3/15:

3/6-3/15: