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Old November 22nd 09, 09:32 AM posted to uk.sci.weather
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Default Hurn rainfall ... looks odd?

.... can't be 100% sure, but Hurn SYNOP (06Z) recorded 1mm for the
period 18-06Z, whereas we had around 5 mm for the same period; there
were several short periods of moderate/isol heavy rain early evening &
after midnight (accompanied by gusty winds). The radar shows that the
lines of heavy convective rainfall did have a sharp cut-off along the
coast, so it's just possible that there was a genuine difference over
the few miles between us.

For the month, we are now up to 99 mm (just a whisker over 100% of the
1971-2000 eLTA).

The temperature anomaly for this month is now around +3degC on the
eLTA.

Martin.


--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N Long: 01.88W
NGR: SU 082 023



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Old November 22nd 09, 09:58 AM posted to uk.sci.weather
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Default Hurn rainfall ... looks odd?

On Nov 22, 9:32*am, "Martin Rowley"
wrote:
... can't be 100% sure, but Hurn SYNOP (06Z) recorded 1mm for the
period 18-06Z, whereas we had around 5 mm for the same period; there
were several short periods of moderate/isol heavy rain early evening &
after midnight (accompanied by gusty winds). The radar shows that the
lines of heavy convective rainfall did have a sharp cut-off along the
coast, so it's just possible that there was a genuine difference over
the few miles between us.

For the month, we are now up to 99 mm (just a whisker over 100% of the
1971-2000 eLTA).

The temperature anomaly for this month is now around +3degC on the
eLTA.

Martin.


I'm surprised you're only just over 100%, as it seems to have been a
very wet month just along the road in Southampton. That would mean
that if it didn't rain again (unlikely, but you get my point...) it
would only be an average month, whereas even if the last week did end
up dry, the perception of the first 22 days has been near constant
rainfall. (writing this on another damp, gloomy November morning....)

Nick
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Old November 22nd 09, 12:23 PM posted to uk.sci.weather
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Default Hurn rainfall ... looks odd?



"Martin Rowley" wrote in message
...
... can't be 100% sure, but Hurn SYNOP (06Z) recorded 1mm for the period
18-06Z, whereas we had around 5 mm for the same period; there were several
short periods of moderate/isol heavy rain early evening & after midnight
(accompanied by gusty winds). The radar shows that the lines of heavy
convective rainfall did have a sharp cut-off along the coast, so it's just
possible that there was a genuine difference over the few miles between
us.

For the month, we are now up to 99 mm (just a whisker over 100% of the
1971-2000 eLTA).

The temperature anomaly for this month is now around +3degC on the eLTA.

Martin.


--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N Long: 01.88W
NGR: SU 082 023


Martin,

Had 1mm over the same period, so looks like Hurn's reading is genuine.
For local interest, the output from my Davis weather station is online - may
be of interest to you for cross-checking conditions locally.

Jim, Bournemouth
--
Bournemouth Weather readings online: http://www.g0ofe.com/wx/wx.html

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Old November 22nd 09, 12:53 PM posted to uk.sci.weather
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Default Hurn rainfall ... looks odd?

On Nov 22, 12:23*pm, "Jim Smith" wrote:
"Martin Rowley" wrote in message

...



... can't be 100% sure, but Hurn SYNOP (06Z) recorded 1mm for the period
18-06Z, whereas we had around 5 mm for the same period; there were several
short periods of moderate/isol heavy rain early evening & after midnight
(accompanied by gusty winds). The radar shows that the lines of heavy
convective rainfall did have a sharp cut-off along the coast, so it's just
possible that there was a genuine difference over the few miles between
us.


For the month, we are now up to 99 mm (just a whisker over 100% of the
1971-2000 eLTA).


The temperature anomaly for this month is now around +3degC on the eLTA..


Martin.


--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N * Long: 01.88W
NGR: SU 082 023


Martin,

Had 1mm over the same period, so looks like Hurn's reading is genuine.
For local interest, the output from my Davis weather station is online - may
be of interest to you for cross-checking conditions locally.

Jim, Bournemouth
--
Bournemouth Weather readings online:http://www.g0ofe.com/wx/wx.html


Martin.

That is just another example of the chaotic nature of weather.

Cheers, Alastair.
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Old November 22nd 09, 02:46 PM posted to uk.sci.weather
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Default Hurn rainfall ... looks odd?

"Martin Rowley" wrote

... can't be 100% sure, but Hurn SYNOP (06Z) recorded 1mm for the
period
18-06Z, whereas we had around 5 mm for the same period; there were
several
short periods of moderate/isol heavy rain early evening & after
midnight
(accompanied by gusty winds). The radar shows that the lines of
heavy
convective rainfall did have a sharp cut-off along the coast, so
it's just
possible that there was a genuine difference over the few miles
between
us.

[and]

On Nov 22, 12:23 pm, "Jim Smith" wrote:

Had 1mm over the same period, so looks like Hurn's reading is
genuine.
For local interest, the output from my Davis weather station is
online - may
be of interest to you for cross-checking conditions locally.



.... many thanks Jim: it looks as if the Hurn figure is fine: mighty
sharp cut-off though with *several* bands of rain - in fact I was
rather surprised that we only recorded 5 mm here - sounded like 15 :-)

Martin.


--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N Long: 01.88W
NGR: SU 082 023




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Old November 22nd 09, 02:49 PM posted to uk.sci.weather
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Default Hurn rainfall ... looks odd?

On Nov 22, 9:32 am, "Martin Rowley"

For the month, we are now up to 99 mm (just a whisker over 100% of
the
1971-2000 eLTA).



I'm surprised you're only just over 100%, as it seems to have been a
very wet month just along the road in Southampton. That would mean
that if it didn't rain again (unlikely, but you get my point...) it
would only be an average month, whereas even if the last week did
end
up dry, the perception of the first 22 days has been near constant
rainfall. (writing this on another damp, gloomy November
morning....)


Nick

.... November is close (behind December) to being our wettest month
he also, I follow the convention that rain up to 09Z on the 1st
belongs to the previous month (as per 'official' 09-09 based
statistics), and this month it means that at least 12 mm 'belongs' to
October as we had heavy rain between 06 & 09Z on the 1st.

Martin.

--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N Long: 01.88W
NGR: SU 082 023




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