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re: How many days in the future do extended forecasts become useless?
Posted on 2/3/14 at 5:39 pm to bpfergu
Posted on 2/3/14 at 5:39 pm to bpfergu
1-2 for any accuracy, 3-4 for general ideas (likely to rain/not to rain/relative temp ranges).
You can assess lows and fronts a few days out, but for what they'll actually bring, beyond 48 is unreliable.
5+ day forecasts are largely worthless, I think. I'm pretty sure that in the 10-15 day they're either guessing or just using historical averages.
You can assess lows and fronts a few days out, but for what they'll actually bring, beyond 48 is unreliable.
5+ day forecasts are largely worthless, I think. I'm pretty sure that in the 10-15 day they're either guessing or just using historical averages.
1
Posted on 2/3/14 at 6:05 pm to Pettifogger
Opensnow.com is a good supplement to NWS for CO snow forecasts a few days out. I use it to see if a system might be coming through 4-5 days out and check it once a day until it's 24 hrs before when I want to know specifics. Then I'll use NWS within 24 hrs for specifics.
This post was edited on 2/3/14 at 6:09 pm
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