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Old May 13th 04, 01:52 AM posted to ne.weather.moderated
B.J. Herbison B.J. Herbison is offline
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First recorded activity by Weather-Banter: May 2004
Posts: 1
Default Questions on errors in weather models

I just looked at the weather.com information for Fitchburg, MA.
The report shows the current temperature (actually, the 7:52 PM
temperature) as 81 degrees. Looking at the hourly forecast, the 9 PM
temperature is predicted to be 71 degrees, 68 at 10 PM, and so on.

I've checked the weather reports for a few local towns several times
today, and the situation was always the same: The current temperature
has been much higher than the series of temperature predictions in the
hourly forecast. And today isn't unique -- I've seen that happen many
times with errors in both directions.

My question is: How can this happen?

I can understand how distant forecasts can be off, but shouldn't the
current temperature be a strong factor in short-term temperature prediction?

Thanks for any insight.
B.J.
--
B.J. Herbison / / http://www.herbison.com/herbison/bj.html
The Next Asylum / 203 Long Hill Road / Bolton, MA 01740-1421 / +1 978
634-1061


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