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Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – March 14, 2019

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

Forecast Discussion:

NOTE: The snow reports will be included in tomorrow's post (March 15).

I'll post this now and update with snow/rain reports in the morning.

The giant low that deepened in Colorado and moved on into Kansas (Figure 1). By about 11am the atmospheric pressure had dropped 34mb over southeast Colorado. Wind speeds seen up through midday were impressive (Figure 2). There still will be about 1-3 inches of snow to fall as the system winds down (and down slope flow starts to matter). It should be all over in Longmont before midnight (this was posted at 4pm Wednesday).

The longer range forecast:

We warm through the 40's F by the weekend, the 50's by mid-week next week, and touch 60F by the end of next week. Nice.

Figure 1: The current surface map from Wednesday PM and the Weather Channel.
Figure 2: Wind reports in the first half of the Wednesday blizzard from the NWS Boulder.
Figure 3: the graphical forecast for the next 10 days for Longmont, CO from weatherunderground.com

Current Weather

Snow

Snow

31°F

UV Index
0 Low
Pressure
30.32 Steady
Visibility
1 miles
Dewpoint
29 °F
Humidity
93%
Wind
NE 1.1 mph
Gust
1.7 mph
Wind Chill
31 °F

Hourly Forecast

Today
7 AM
33°F
Cloudy
Today
8 AM
30°F
Flurries
Today
9 AM
32°F
Flurries
Today
10 AM
33°F
Cloudy
Today
11 AM
34°F
Cloudy
Today
12 PM
35°F
Cloudy
Today
1 PM
37°F
Cloudy
Today
2 PM
38°F
Cloudy
Today
3 PM
40°F
Cloudy
Today
4 PM
39°F
Cloudy
Today
5 PM
39°F
Cloudy
Today
6 PM
38°F
Rain and snow

7 Day Forecast

Rain and snow

Saturday

40 °F

Cloudy and cold; a bit of morning snow followed by a rain or snow shower in spots this afternoon; storm total 1-3"; roads could be slippery


Rain and snow

Saturday Night

32 °F

An evening rain or snow shower in spots; otherwise, partly cloudy


Partly sunny

Sunday

63 °F

Partly sunny and warmer


Mostly clear

Sunday Night

40 °F

Mainly clear


Intermittent clouds

Monday

79 °F

Warmer with intervals of clouds and sun


Partly cloudy

Monday Night

40 °F

Partly cloudy


Mostly cloudy

Tuesday

66 °F

Mostly cloudy and not as warm


Intermittent clouds

Tuesday Night

40 °F

Partly cloudy


Intermittent clouds

Wednesday

79 °F

Warmer with intervals of clouds and sunshine


Intermittent clouds

Wednesday Night

44 °F

Partly cloudy


Sunrise and Sunset

Sunrise
6:14 AM
Sunset
7:45 PM

Based on AccuWeather data