Pattern & Snow Forecast Through 3/17

Tomer’s Take: Snow continues in Colorado today with a storm system then it moves into VT/NH/ME with moderate to heavy snow accumulation late 3/9-3/10. The Western pattern shifts north 3/9-3/11 to favor the PNW/BC/Northern Tier. It shifts back south into UT/WY/CO 3/11-3/14 with moderate to heavy snow accumulation.

Timing

Colorado: Light to moderate snow 3/8, L late 3/11, M/H 3/13-3/14.

Wasatch: Light snow PM 3/11, H 3/12-3/13.

Tetons: Moderate to heavy snow 3/11-3/13.

Revelstoke: Moderate to heavy late 3/9-3/13.

Northeast: Moderate to heavy snow late 3/9-3/10.

My afternoon forecast update video:

Current Setup

Water vapor satellite shows the CO storm system departing with a trajectory for the Northeast.

The Northern Jet becomes dominate 3/9-3/11 with a couple different storm systems lined-up that will eventually drop south into UT/WY/CO 3/11-3/14.

Orange/red = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Grand totals by late 3/17.

UT/CO snow then pattern shifts twice

Tomer’s Take: Light snow accumulation continues today across the Wasatch then drier until 3/11-3/13. This snow hits Colorado PM 3/7-3/8 with light to moderate accumulation.

The pattern shifts north to favor the PNW/BC/Northern Tier 3/9-3/11 then it shifts back south to UT/WY/CO 3/11-3/15.

Timing

Wasatch: Light snow 3/7, Heavy 3/11-3/13.

Tetons: Moderate to heavy snow 3/11-3/13.

Colorado: Light to moderate snow PM 3/7-3/8, Moderate to heavy 3/12-3/14.

Northeast: Moderate to heavy snow late 3/9-3/10.

My afternoon forecast video update:

Current Setup

Water vapor satellite shows the initial storm system sliding through UT into CO 3/7-3/8.

Then, the Northern Jet takes control and delivers a couple different storm systems to the PNW/BC/Northern Tier 3/9-3/11.

Orange/red = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Forecast Grand Totals by late 3/16.

Northeast:

VT/NH/ME Snow late 3/9-3/10.

Snow forecast through 3/15

Tomer’s Take: It’s a powder day across the Tetons with over a foot of new snow in 24hours. Now, this storm system slides south through the Wasatch 3/7 and into Colorado 3/7-3/8 departing early 3/9. Then the pattern shifts north to favor the PNW/BC/Northern Tier 3/9-3/12. Pattern shifts back south 3/12-3/15 with moderate to heavy snow for UT/WY/CO.

Timing

*Updated 3:45pm 3/6/2024.

Wasatch gets 3-6 inches overnight-3/7. Then heavy PM 3/11-3/13.

Tetons 1-2″ Tonight, H 3/11-3/13.

Colorado L/M 3/7-3/8, M/H 3/12-3/15.

Northeast Heavy Rain Tonight-3/7, Snow Late 3/9-3/10.

My afternoon forecast video update:

Forecast Radar & Satellite

Forecast Totals

Forecast Grand Totals by late 3/15.

Northeast:

VT/NH/ME: Heavy rain PM 3/6-3/7. Heavy snow 3/10-3/11.

Next Storm System 3/5-3/9

Tomer’s Take: The next storm system is already spreading moderate snow over southern ID and it rolls into the Tetons this afternoon through the morning of 3/6 with heavy snow accumulation. This frontal boundary slides across the Wasatch on 3/7 with moderate snow accumulation. The storm system strengthens in CO/NM on 3/8-3/9 with enhanced accumulation. Then the pattern shifts north to favor the PNW/BC/Northern Tier 3/10-3/12 before diving south into UT/WY/CO 3/13-3/14.

Timing

*Updated 4pm 3/5/2024.

Heavy Teton snow now through 3/6, heavy 3/11-3/13.

Storm System 3/5-3/8.

Wasatch Light Snow 3/6, 4-8″ 3/7, H 3/12-3/13.

Colorado Light Snow 3/6, M 3/7-3/8.

Northeast Heavy Rain PM 3/6-3/7, Snow 3/10-3/11.

My afternoon forecast video update:

Current Setup

Water vapor satellite shows the next storm system now moving into Northern CA and OR spreading moderate heavy snow into ID and eventually WY.

Orange/red = drier air aloft.

7:30am Radar:

Forecast Radar & Satellite

Forecast Totals

Forecast Grand Totals by late 3/14.

Northeast:

VT/NH/ME rain 3/5 & PM 3/6. Snow 3/10-3/11.

The Week Ahead

Tomer’s Take: Its a powder day in UT/WY/CO with light additional accumulation (2-6″). The next storm system arrives 3/5-3/9 with some enhancement in Colorado (PM 3/7 – AM 3/9).

Timing

Wasatch 2-3″ Today, Light Snow 3/5-3/7.

Tetons 2-3″ Today, 1-2FT PM 3/5-3/6.

Colorado 2-6″ Today, 4-10″ PM 3/6-3/8.

Sierra Snow Winds Down Later Today.

Next Storm System 3/5-3/8.

Northeast Rain 3/5-3/7, Snow 3/10.

My forecast video update:

Forecast Radar & Satellite

Forecast Totals

Grand totals by late 3/13.

2nd Wave Inbound UT/WY/CO; Another Storm System 3/5-3/9

Tomer’s Take: 2nd wave of snow hits UT/WY/CO now through 3/4 with light to moderate accumulations (2-8″). Next storm system hits the Intermountain West 3/5-3/9 with moderate to heavy accumulation. Storm system could see enhancement in Colorado 3/8-3/9. Then the storm track shifts north to favor Northern CA, OR/WA/BC and Northern Tier 3/10-3/12.

Timing

Wasatch Another 2-4″ Now-3/4, 6-8″ 3/7.

Tetons Another 6-8″ Now-3/4, 1FT PM 3/5-3/6.

Colorado Another 3-8″ Now-3/4, 4-8″ 3/5-3/7.

Sierra 5-10 Feet Now – AM 3/5, Blizzard.

Northeast Rain 3/5-3/6, Snow 3/10-3/11.

My afternoon forecast video update:

Current Setup

Water vapor shows both storm systems. The first low is the bigger storm system generating the Sierra Blizzard.

Orange/red = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Forecast Grand Totals by late 3/12.

Northeast:

VT/NH/ME: Rain 3/6-3/7, snow 3/10-3/11.

Powder Weekend

Tomer’s Take: Jackson Hole got blasted by 30 inches in the last 24 hours and another foot or more is on the way. This heavy band of snow hits the Wasatch between Lunch today and the morning of 3/3, and then Colorado tonight through 3/3. 50-80mph wind gusts are likely in CA/UT/WY/CO next 48 hours. Another storm system hits the West 3/5-3/8.

Timeline

Updated 2:45pm 3/2/2024.

*Intense 12-18 hours in the Wasatch with roughly 1-2FT by AM 3/3 and 50-70mph gusts.

*Same heavy band of snow hits CO’s Central and Northern Mountain zones tonight – AM 3/3 with 50-80mph gusts.

*Tetons L/M Snow Ending Tonight, L/M PM 3/3-3/4, H 3/5-3/6.

Sierra 5-10 Feet Now – AM 3/5.

*Powder Highway, Canada 2-5″ Now – AM 3/4.

*Northeast Stormtrack Shift 3/7-3/8 now looking lighter.

My afternoon forecast video update:

Current Setup

Water vapor satellite shows the big initial storm system hammering the Sierra and now Tetons and later the Wasatch and Colorado Rockies through 3/3 with heavy snow accumulation.

Orange/red = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Forecast Grand totals by late 3/11.

Northeast:

VT/NH/ME heavy snow potential 3/7-3/8 if air temps are cold enough.

Snow This Weekend

Tomer’s Take: Heavy snow likely this weekend in CA/ID/WY/UT/CO with feet of accumulation. Strong ridgetop winds of 40-80mph. Additional moderate to heavy snow accumulation 3/5-3/9 with two storm systems.

Timing

*Updated 3/1 4pm.

Wasatch Light Tonight, Heavy PM 3/2, L/M 3/3.

Tetons Heavy Tonight-3/2, L/M 3/3-3/4, H 3/5.

Colorado Heavy PM 3/2-3/3, L 3/5.

Sierra 5-10 Feet Now – AM 3/3, H PM 3/4-3/6.

Powder Highway, Canada 3-8″ Now – AM 3/3.

Northeast Mainly Rain Until 3/7-3/8.

My forecast video update:

Current Setup

Water vapor satellite shows the big storm system hitting CA with 4-8 feet of snow accumulation and blizzard conditions. Next stop is UT/CO/WY.

Red/orange = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Big totals for PNW/BC/CA/ID/UT/WY/CO

Tomer’s Take: Feet of total accumulation is still on track for PNW/BC/CA/ID/UT/WY/CO through 3/9. The first major storm system is currently dropping south from the PNW/BC into CA and eventually the interior Rockies 3/1-3/4. 50-80mph ridgeline wind gusts likely CO/UT/WY. Blizzard Warnings are in place for the Sierra and 4-8 feet of total accumulation. Additional small to medium sized storm systems are likely 3/5-3/9.

Timing

*Updated 4pm 2/29/2024.

Wasatch Light Snow PM 3/1, Heavy PM 3/2, Light 3/3.

Tetons Light Snow Tonight, Heavy 3/1-3/2, Light 3/3, Moderate 3/4-3/5. Colorado Heavy Snow Late 3/2-3/3, Light 3/4.

Sierra 4-8 Feet Now – AM 3/3 above 5,000ft.

Powder Highway, Canada 6-14″ Now-3/4.

My afternoon forecast video update:

Current Setup

Water vapor satellite shows storm #1 dropping south from PNW/BC with a CA trajectory and eventually interior Rockies.

Orange/red = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Feet of accumulation 2/29-3/8 with major storm system & active jet

Tomer’s Take: A major storm system delivers feet of accumulation to PNW/BC/CA/ID/WY/UT/CO 2/29-3/4. Additional storm systems race across the Rockies 3/5-3/8 with an active jet.

Timing

*Updated 5pm 2/28/2024.

Wasatch PM 3/1, 3/2 – AM 3/4, 3/7-3/8.

Tetons Late 2/29-3/7.

Colorado Late 3/2-3/4, 3/6-3/8.

Sierra 4-8 Feet PM 2/29-3/3 (>5K).

Powder Highway, Canada 1-2FT Now-3/2, 3/8 (Totals down 20-30%).

My afternoon forecast video update:

Current Setup

Water vapor satellite shows the next storm system sliding south with a buckling northern jet branch.

Orange/red = drier air aloft.

Forecast Radar & Satellite

Forecast Totals

Grand Totals by late 3/8.