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Tuesday Update: Winter Storm Watch/Snowfall Roundup

Winter Storm Watch

Figure1u_02152022
Figure 1 update: the winter storm watch regions from the NWS.
Issued: 7:42 PM Feb. 15, 2022 – National Weather Service

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT... (Figure 1 update above)

* WHAT...Heavy snow possible. Total snow accumulations between 4 and
8 inches possible, with locally heavier amounts in the foothills.

* WHERE...The Front Range Foothills and I-25 Corridor.

* WHEN...From Wednesday afternoon through late Wednesday night.

* IMPACTS...Travel could be difficult. The hazardous conditions
could impact the Wednesday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Snowfall Roundup (Longmont to Broomfield):

The storm should begin around 12-1pm Wednesday with snow tapering off around 1-2am Thursday.  The peak snowfall rates should be during the evening commute Wednesday

John E:  2-4 inches.

Weather5280 (Figure 2 update) Trace-3 inches.

The NWS:  4-8 inches (it seems)

The GFS 4-6 inches

The NAM 3-5 inches

The Canadian model:  4-6 inches

Accuweather: 3-6 inches

Channel 7 news:  5-7 inches

Channel 9 news:  4-8 inches

That is a fair amount of disagreement - we'll see how it plays out!

 

Figure2u_02152022
Figure 2 update: the hand drawn update for snow totals for our mid-week storm from the forecasters at weather5280.com

 


About the Author: John Ensworth

John Ensworth used to work from Longmont as the PI for the NASA through the IGES (The Institute for Global Environmental Strategies). He now teaches technology, algebra, astronomy, meteorology, film school, and Lego robotics to middle/high school.
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Current Weather

Mostly cloudy

Mostly cloudy

40°F

UV Index
0 Low
Pressure
30.11 Steady
Visibility
9 miles
Dewpoint
15 °F
Humidity
36%
Wind
NW 2.2 mph
Gust
3.2 mph
Wind Chill
40 °F

Hourly Forecast

Today
8 PM
39°F
Partly cloudy
Today
9 PM
38°F
Partly cloudy
Today
10 PM
38°F
Partly cloudy
Today
11 PM
37°F
Partly cloudy
Tomorrow
12 AM
37°F
Partly cloudy
Tomorrow
1 AM
37°F
Partly cloudy
Tomorrow
2 AM
36°F
Partly cloudy
Tomorrow
3 AM
37°F
Partly cloudy
Tomorrow
4 AM
37°F
Partly cloudy
Tomorrow
5 AM
38°F
Partly cloudy
Tomorrow
6 AM
38°F
Partly cloudy
Tomorrow
7 AM
38°F
Hazy moonlight

7 Day Forecast

Partly sunny

Saturday

59 °F

Partly sunny and mild; quiet weather for early holiday travelers


Partly cloudy

Saturday Night

36 °F

Partly cloudy


Intermittent clouds

Sunday

58 °F

Sun through high clouds and mild


Cloudy

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32 °F

Cloudy


Mostly cloudy

Monday

54 °F

Rather cloudy and mild


Mostly clear

Monday Night

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Clear to partly cloudy


Mostly cloudy

Tuesday

50 °F

Considerable cloudiness


Mostly cloudy

Tuesday Night

29 °F

Partly to mostly cloudy; good weather for Santa


Intermittent clouds

Wednesday

49 °F

Intervals of clouds and sunshine


Intermittent clouds

Wednesday Night

27 °F

Turning out clear


Sunrise and Sunset

Sunrise
7:20 AM
Sunset
4:38 PM

Based on AccuWeather data