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Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – January 8, 2019

This content was originally published by the Longmont Observer and is licensed under a Creative Commons license.

Forecast Discussion:

Tabulated winds Monday were pretty impressive (nothing reported above 90 mph as some said was possible - Figure 1). Our story today is: yes, warm dry weather continues. High pressure is back in control today (Figure 2) with fading winds.

The next three days (snapshots just after sunset) will be 8-12 degrees above normal - Figures 3, 4 and 5. Pretty straight forward. But wait! What's that in the longer range forecast below?

Figure 1: Chart of peak wind gusts measured Monday from Matt Makins via Twitter.

Figure 2: The forecast surface map for Tuesday PM. From NCEP.

Figure 3: The surface temperature departure from normal for Tuesday PM from weather5280.com

Figure 4: The surface temperature departure from normal for Wednesday PM from weather5280.com

Figure 5: The surface temperature departure from normal for Thursday PM from weather5280.com

The longer range forecast:

A new (not very major) storm has appeared in the model data (the GFS - Figure 6) and at weatherunderground.com's model. That storm, if it materializes, will cool us to near normal temperatures again (lower 40's F) and bring a chance of rain. We'll keep an eye on it!!

Figure 6: 10 day meteogram from weather5280.com for DIA.

Current Weather

Mostly cloudy

Mostly cloudy

39°F

UV Index
0 Low
Pressure
30.2 Rising
Visibility
7 miles
Dewpoint
31 °F
Humidity
72%
Wind
ENE 3.1 mph
Gust
7.5 mph
Wind Chill
37 °F

Hourly Forecast

Today
1 AM
40°F
Partly cloudy
Today
2 AM
39°F
Partly cloudy w/ showers
Today
3 AM
39°F
Partly cloudy w/ showers
Today
4 AM
38°F
Partly cloudy
Today
5 AM
38°F
Partly cloudy
Today
6 AM
37°F
Partly sunny
Today
7 AM
39°F
Partly sunny
Today
8 AM
43°F
Partly sunny
Today
9 AM
46°F
Partly sunny
Today
10 AM
50°F
Partly sunny
Today
11 AM
53°F
Partly sunny
Today
12 PM
56°F
Partly sunny

7 Day Forecast

Mostly cloudy w/ showers

Friday

76 °F

Some sun, then increasing clouds, becoming breezy this afternoon with a shower in spots late in the afternoon


Partly cloudy w/ showers

Friday Night

37 °F

Partly cloudy with a couple of showers


Partly sunny

Saturday

66 °F

Not as warm with sun and some clouds


Mostly clear

Saturday Night

39 °F

Clear to partly cloudy


Mostly cloudy

Sunday

76 °F

Mostly cloudy and warmer; breezy in the afternoon


Mostly cloudy

Sunday Night

51 °F

Rather cloudy; windy late


Windy

Monday

60 °F

Winds gusting past 40 mph; cloudy and cooler


Intermittent clouds

Monday Night

43 °F

Breezy in the evening; otherwise, partly cloudy


Intermittent clouds

Tuesday

62 °F

Times of clouds and sun; windy in the afternoon


Intermittent clouds

Tuesday Night

36 °F

Clearing


Sunrise and Sunset

Sunrise
5:57 AM
Sunset
7:58 PM

Based on AccuWeather data