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 January 2011 
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 Post subject: January 2011
PostPosted: Tue Feb 01, 2011 12:40 pm 
Chief Area Forecaster
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Joined: Mon Nov 02, 2009 9:25 pm
Posts: 5958
Location: Drumburgh
Altitude: 7m
Weather Station: Davis VP2
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Mixed month - 4th coldest on books.

M.MAX: 5.3c -1.4
M.MIN: -0.1c -1.2
MEAN: 2.6c -1.3

H.MAX: 10.6c 15th
L.MAX: -0.8c 20th
L.MIN: -6.5c 7th
H.MIN: 9.5c 16th

G.MIN: -12.5c 7th

Rainfall

TOTAL 103.3mm 120%

Most: 21.9mm 10th
0.2 17
1.0 13
5.0 7
10.0 4


AF 19
GF 23

Sleet/snow 4
snow lying at 0900 2cm on 9th

_________________
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Drumburgh 7m AMSL (Solway Estuary)
http://www.coggabata.co.uk/weather.html


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 Post subject: Re: January 2011
PostPosted: Tue Feb 01, 2011 12:52 pm 
Senior Forecaster

Joined: Wed Nov 04, 2009 9:21 pm
Posts: 335
Location: Middleton in Teesdale.
Altitude: 360m
Weather Station: VP2
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Mostly calm settled month apart from the wet spell mid month. Temperature and rainfall slightly above average.

Another sunny benign winter month.

Mean temp 2.0C (est + 0.2C)

Mean max 4.2C

Mean min -0.3C

Highest Max 9.4C

Lowest Min -6.7C

Rainfall 132.4mm

Wettest 24hrs 55.6mm

Max wind speed 46mph

Lowest wind chill -10.9C


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 Post subject: Re: January 2011
PostPosted: Tue Feb 01, 2011 2:42 pm 
Senior Climatologist

Joined: Mon Jan 04, 2010 4:18 pm
Posts: 903
Location: Scotby
Altitude: 31
Weather Station: Davis VV
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Here's my parish mag report
Anne

After the dramatic winter weather in December, January in Scotby has been a much more 'normal' month, although colder than average. The maximum temperatures averaged 5.8C, which is about one degree colder than normal. On two days, the 20th and 21st, it stayed below freezing all day. On the other hand the maximum temperature was 12.2C on the 16th, which was the warmest day since the 4th November. There were 18 nights with an air frost, many more than normal but the same as January 2010. The minimum temperature was -6.9C on the 7th, which is cold but nothing like the low temperatures we experienced during December.

The total rainfall for January was 81.6mm, which is about the expected amount for January. There was only one small fall of snow in Scotby, on the 9th, but it quickly melted. The first half of the month was very wet specially the 15th with 19.6mm, which caused some local flooding. The second half of the month was more or less dry.


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 Post subject: Re: January 2011
PostPosted: Tue Feb 01, 2011 4:39 pm 
Professor
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Joined: Mon Nov 02, 2009 8:52 pm
Posts: 8215
Location: Brampton
Altitude: 117m
Weather Station: Davis VP2
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Headline - Colder and wetter than average, several ice days mid month
due to persistant freezing fog. Sunshine limited.

Mean Max 5.1
Mean Min 0.9
Mean 2.7


Highest Max 11.0c 15th
Lowest Max -1.5c 20th
Lowest Min -6.1c 7th
Highest Min 9.1c 16th
Grass Min -11.6c 29th


Rainfall Total 102.8mm (114%)
Wettest Day 17.5mm 15th


Air Min below 0.0c - 15days
Grass Min below 0.0c - 22days


Days with sleet/snow falling -9
Days with snow lying at 0900hrs - 5
Max depth 4cm 9th Jan
Days with fog - 3
Gale/Thunder/Hail - zero


Sunshine 28.2hrs
days with no sun - 11

_________________
Paul C
Brampton. 117m ASL.
http://www.bramptonweather.co.uk
Imagehttps://twitter.com/#!/pacrabtree


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 Post subject: Re: January 2011
PostPosted: Tue Feb 01, 2011 5:04 pm 
Senior Forecaster

Joined: Wed Nov 04, 2009 9:21 pm
Posts: 335
Location: Middleton in Teesdale.
Altitude: 360m
Weather Station: VP2
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Paul C wrote:
Headline - Colder and wetter than average, several ice days mid month
due to persistant freezing fog. Sunshine limited.

Mean Max 5.1
Mean Min 0.9
Mean 2.7


Highest Max 11.0c 15th
Lowest Max -1.5c 20th
Lowest Min -6.1c 7th
Highest Min 9.1c 16th
Grass Min -11.6c 29th


Rainfall Total 102.8mm (114%)
Wettest Day 17.5mm 15th


Air Min below 0.0c - 15days
Grass Min below 0.0c - 22days


Days with sleet/snow falling -9
Days with snow lying at 0900hrs - 5
Max depth 4cm 9th Jan
Days with fog - 3
Gale/Thunder/Hail - zero


Sunshine 28.2hrs
days with no sun - 11


Wow just shows how different the winter has been this side of the hills.

Ken at Copley recorded 80.6 hours of sunshine 142% of the average. This following a very sunny December with 83.8 hrs or 175% of the average.


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 Post subject: Re: January 2011
PostPosted: Sun Feb 06, 2011 4:25 pm 
Chief Area Forecaster
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Joined: Sat Nov 14, 2009 10:57 am
Posts: 3412
Location: Seaton
Altitude: 40
Weather Station: Davis VP2
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Mean max 5.9 (-1.0)
Mean min 0.9 (-1.2)
Mean 3.4 (-1.1)

Rain 70.6 (71%)

Only 1997 and 2010 have been colder in my records.

Still don't appear to be able to submit data to COL


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 Post subject: Re: January 2011
PostPosted: Mon Feb 07, 2011 12:51 pm 
Weather Nut
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Joined: Mon Nov 02, 2009 10:23 pm
Posts: 1913
Location: Maulds Meaburn, Cumbria
Altitude: 183
Weather Station: Davis VPro2
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Here at MM

January 2011 REPORT

COL data
station name - Maulds Meaburn, Appleby, Cumbria. 70078.


mean max (C) 5.0

mean min (C) -0.2

mean (C) 2.6

high max (C) 10.3
date 13

low max (C) -1.1
date 21

high min (C) 7.1
date 13

low min (C) -6.9
date 29

grass min (C) -8.5
date 7
====================
rain total (mm) - 142.6

Rain days (no. of days with 0.2mm or more) - 18
Wet days (no. of days with 1.0mm or more) - 13
most in a day (mm) - 48.7
date - 15
RAIN
other days over 25mm:
fall (mm) - 31.0
date 10

no. of days with:
air frost (air min temp -0.1C or less) - 15
ground frost (grass min temp -0.1C or less) - 22
sleet/snow falling (in the UK from 0000-2400 GMT) - 6
50% snow cover at morning observation hour - 0
thunder heard (in the UK from 0000-2400 GMT) - 0
smallhail < 5mm diameter - 0
largehail >=5mm diameter - 0
fog at morning observation hour - 2

SNOWFALLING
dates of any sleet/snow falling (create additional lines under here) - 7/8/9 + 28/29/30



SOIL TEMPS
5cm mean
10cm mean
20cm mean
30cm mean - 2.93
50cm mean
100cm mean

WINDDATA
days with gale (10min mean wind 39mph/34kts or more) - 2
Number of days with wind from

N 2
NE 0
E 2
SE 0
S 1
SW 13
W 6
NW 7
calm
mean wind speed mph - 6.5
max gust mph - 60
date - 15
WINDGUST
other days with gusts over 50mph:

gust mph 59
date 16

cloud cover percent 83.75


OR

mean pressure (mb) at 0900 GMT ONLY 1016.1

max pressure at any time of day 1042.8
date 21

min pressure at any time of day 986.1
date 8

=============================================
DAILY and MONTHLY STATION NOTES - insert text lines below

Daily: 10th - very wet with 31.0mm of rain
15th - my 2nd wettest day recorded at this site with 48.7mm - with a record wind gust of 60mph as well and a daily mean windspeed of 22.1 mph.
Rain commence early hrs of 15th and continued into 16th giving a fall of 68.1mm with further wind gust of 59mph early hrs 16th.

X1 Ice day on 21st with a max' of -1.1c under freezing fog.

Monthly: the first 16 days of month saw 140.1mm of rain, with the last 15 only having 2.5mm
No 'days of laying snow'.
Still on the cool side.

_________________
Darren Rogers - he who submits the most interesting posts, AKA Mr Data
Maulds Meaburn


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 Post subject: Re: January 2011
PostPosted: Tue Feb 15, 2011 9:49 pm 
Weather Nut
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Joined: Mon Nov 02, 2009 10:23 pm
Posts: 1913
Location: Maulds Meaburn, Cumbria
Altitude: 183
Weather Station: Davis VPro2
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Monthly Summary - January 2011

After a quiet (anticyclonic) first few days of the month the first half was generally unsettled (cyclonic) with rainfall on every day and with two notable wet days as we had a steady SW'ly airflow. One of those days was very wet and quite violent. Then the second half of the month became dry and settled as high pressure (anticyclonic) became the dominant feature. However, the month was still slightly on the cool side.

There was a little rain early on the 1st as a cold front pushed south from Scotland, but an area of high pressure (AHP) (1034 - 2nd) built behind it and established a N'ly flow. We had three successive air frosts and the 2nd only reached a high of 0.7°c under cloudy and dull skies and this was the case on the 3rd as the AHP (1030) sat over the UK.

But the change came on the 4th and for the next 12-13 days our weather was decidedly wet and unsettled.

An area of low pressure (ALP) (998) north of the UK pushed a cold front South on a W'ly flow on the 4th and with it 11.2mm of rain. The days were windy, cloudy and dull and with spells of rain, that whilst never excessive, were still the dominant feature of the weather.

We then had some snowfall on the 7th as a warm front pushed south out of Scotland, but nothing of real note and not sufficient enough to provide a 'day of laying snow'. A little sleet on the 8th and further snow on the 9th, but rain was still the story as ALP still had control. The 9th felt cold and fresh and we had some sunny spells mixed in with the showers.

The 10th was a day to forget with 31.0mm of rain which was heavy at times and came on an occlusion front from the SW. After a sunny afternoon on the 11th brought by a small ridge of high pressure the next few days were generally cloudy and dull with a little rain, this being due to the influence of the warm and moist SW'ly flow. The 13th brought the months warmest day at 10.3°c (50.5°F) - we had to wait to mid March last year to hit 10.0°c!

But then came the 15th. The 14th had seen showers as we were still in that SW'ly flow and brought on a trough that moved east from Eire. But ALP (977) was racing across the Atlantic towards us and deepening as it approached - when it arrived the 15th was awful.

48.7mm of rain and a maximum gust of 60mph was what we had to endure. The second wettest day to be recorded at this site and a new record for highest gust. With 0900-0900 rainfall readings it gave 68.1 mm during the 'rainfall event'. During 2010 no single day recorded 25.4 mm (1 inch) of rain or more and now by the middle of January we'd had the two!

The 16th saw that rain continue as a complex ALP (966) North of the UK had its associated weather fronts move through our region in the early hours and the winds gusted upto 59 mph - but then it was clearer behind and brightened up p.m.

But then a change commenced and all became quite dry and settled, but not necessarily brighter. The first 16 days had seen 140.1 mm of rain and has a whole the month had 142.6 mm, which quite demonstrates the change. We had sunny intervals from 1100Hrs on the 17th and the 18th and 20th were sunny days with the 19th a cloudy but bright day. We were in a fairly slack area but high pressure (1036) was building and establishing itself over the UK.

The 20th whilst sunny was also cold in a ENE'ly wind and for the next few days we had a generally Nw'ly flow and now there was a nip in the air. The 18th - 22nd all saw air frosts, but the 21st was a 'day of fog' and the years first Ice day with a maximum temp' of -1.1°c (30°F). It was also the 21st when the AHP was at its highest and at 1042.8 MB a new record at this site.

That AHP started to slip West into the Atlantic from the 23rd and on the 24th (now 1043) was sufficiently west of Eire to allow the wind (clockwise around AHP) to come down its Eastern side as that cool NW'ly. This was the cause of the several days of cool, cloudy and dull conditions. Light rain on the 25th came from a weak front circulating around that AHP.

Snow in the early hours of the 28th saw a very slight dusting and this was repeated on the 30th which had a weakening frontolytic cold front moving clockwise around the AHP (1027).

The last four days of the month all saw air frosts with the months coldest temp' of -6.9°c (19.6°F) coming on the 29th. The month then closed with a second day of fog.

Now the ridge of high pressure was eroding from the Atlantic and bringing ALP (975) with a double frontal structure wrapped around it and that was strengthening - but that was for February!

The Mean Temp' for the month was 2.6°c+ - the Mean Max' 5.0°c and the Mean Min' -0.2°c.

We had 15 Air Frosts in the month and Grass frosts totalled 22.

The 30 cm soil temp ranged from 0.9°c on the 3-4th to 5.6°c on the 16th with a monthly mean of 2.93°c

COMPARISONS:-

* January 2011 rainfall was 87.48% of the January average for 08/09/10

* January 2011 was 2.1°c warmer than January 2010 -- 0.56°c colder than 2009 -- 2.9°c colder than 2008 +


* January saw 18 days of rain, of which 13 were wet days.


* The 3 month mean for Nov/Dec/Jan 2010-11 is TEMP' 1.63°c - Rain 295.0 mm

* Nov/Dec/Jan 2009-10 was TEMP' 3.10°c - Rain 446.8 mm

* Nov/Dec/Jan 2008-09 was TEMP' 4.29°c - Rain 402.5 mm

* Nov/Dec/Jan 2007-08 was TEMP' 5.72°c - Rain 447.9 mm




+ Met office figures for January show that NW England/N. Wales had a mean temp' of 2.9°c, some -0.6°c colder than the reference period 1971-2000 (-0.2°c colder than reference period 1961-90)

_________________
Darren Rogers - he who submits the most interesting posts, AKA Mr Data
Maulds Meaburn


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 Post subject: Re: January 2011
PostPosted: Tue Feb 25, 2014 8:44 pm 
Area Forecaster
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Joined: Sat Apr 02, 2011 10:22 pm
Posts: 2043
Location: Isel valley, Northern Lakes
Altitude: 140m
Weather Station: Manual
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Jan 2011 here

Mean Max 4.9c

Mean Min -0.5c

Mean 2.2c

Lowest Max 0.5c (20th)

Lowest Min -6.6c (20th)

Highest Max 9.1c (15th)

Air Frosts 17

Rainfall 51.2mm


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