uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged.

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Old March 19th 15, 07:39 PM posted to uk.sci.weather
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Default **Forecast: mobile Atlantic flow at T+240

Consistency and agreement now.

**At T+240, the UK will be experiencing a mobile Atlantic flow. Any blocking will have given way to quick-moving depressions with alternating mP and mT air. Temperatures may be fairly close to average, but will vary with the source of the airflow affecting the UK. Bands of rain are likely to be affecting the UK in 10 days time.**

Zonal weather in 10 days time.

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Old March 21st 15, 07:39 AM posted to uk.sci.weather
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Default **Forecast: mobile Atlantic flow at T+240

On Thursday, March 19, 2015 at 8:39:24 PM UTC, Dawlish wrote:
Consistency and agreement now.

**At T+240, the UK will be experiencing a mobile Atlantic flow. Any blocking will have given way to quick-moving depressions with alternating mP and mT air. Temperatures may be fairly close to average, but will vary with the source of the airflow affecting the UK. Bands of rain are likely to be affecting the UK in 10 days time.**

Zonal weather in 10 days time.


Happy with this, two days in, but, as exemplified by my last 10-day forecast that looked accurate to only 5 days out, then wasn't.........lots can happen in 8 days.
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Old March 24th 15, 05:15 AM posted to uk.sci.weather
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Default **Forecast: mobile Atlantic flow at T+240

On Saturday, March 21, 2015 at 8:39:19 AM UTC, Dawlish wrote:
On Thursday, March 19, 2015 at 8:39:24 PM UTC, Dawlish wrote:
Consistency and agreement now.

**At T+240, the UK will be experiencing a mobile Atlantic flow. Any blocking will have given way to quick-moving depressions with alternating mP and mT air. Temperatures may be fairly close to average, but will vary with the source of the airflow affecting the UK. Bands of rain are likely to be affecting the UK in 10 days time.**

Zonal weather in 10 days time.


Happy with this, two days in, but, as exemplified by my last 10-day forecast that looked accurate to only 5 days out, then wasn't.........lots can happen in 8 days.


5 days out and this one looking good. Strong winds for much of the UK at the weekend with fronts rushing through. March coming in like a lamb and going out like a lion?
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Old March 29th 15, 09:47 AM posted to uk.sci.weather
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Default **Forecast: mobile Atlantic flow at T+240

This forecast was good and I'd identified a time when you could have trusted the model output at 10 days. That's a difficult thing to do with any accuracy.

The time since I issued this forecast had demonstrated that in spades; most of the time, you wouldn't have had better than a 50% chance of being correct. That's why no-one can forecast at 10 days with any expectation of being accurate over time.
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Old March 29th 15, 11:52 AM posted to uk.sci.weather
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Default **Forecast: mobile Atlantic flow at T+240

.........yet. 😄


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