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April UK temperature analysis and discussion
Rank: Advanced Member
Joined: 20/11/2015(UTC)
Posts: 6,805
Location: Central Southern England
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Originally Posted by: springsunshine  I can`t see how the April cet is at 9.4c? I know there have been a few warm days of 17c+ but most nightime minimums have been sub 5c especially recently.Most mornings this week it has felt like January,proper cold and raw,and well into the afternoon before a warming could be felt.I will be suprised if there is not a big big downward correction this month. Not sure in the Bournemouth area where you are, Spring, but the sandy soils in the area make Hurn's lows often much lower - and with N/NE/E ly winds there is a good chance you will pick up low advected temps from the heaths. |
Bertie, Itchen Valley. August 2020: best heatwave since '95 |
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Rank: Advanced Member
Joined: 07/04/2006(UTC)
Posts: 21,293
Location: N.Y.Moors
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It will close on 7.0 (-0.3C) here, despite some warm days earlier the past week has been way colder than normal with several frosts. |
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Rank: Advanced Member
Joined: 24/10/2008(UTC) Posts: 12,067  Location: West Hants
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Considering the predominant high latitude blocking pattern with a lot of air from the NE or E, this month should really be coming in cooler than average... but this isn't our father's climate! I've been astonished by the warmth from this pattern, even with the cool nights here. It seems only the southernmost CET station has experienced those, with higher minima for the northern ones. My local mean April max looks to be over 1°C above average, in contrast to a mean min over 0.5°C below average. Overall mean about a quarter of a °C above average. Looking ahead at May, I have a feeling it will challenge us. Yesterday's GFS 00z run gave me an estimate for the opening third that was 1.6°C below the 1991-2020 average. Today's 00z has given me one that's 1.7°C above it! It then climbs further to peak 2.4°C above it on 12th... impressive, but is it a red herring or a trend setter?  |
If you have any problems or queries relating to TWO you can Email twomoderationteam@gmail.com :)
Homeland: Rural Mid-West Hants nearly 10 miles S of Salisbury (near Fordingbridge). More insights: https://twitter.com/peacockreports 2021's Homeland Extremes: T-Max: 30.4°C 21st Jul | T-Min: -6.8°C New Years Day! | Wettest Day: 34.1mm 2nd Oct | Ice Days: 2 (27th Jan & 8th Feb) Keep Calm and Forecast On |
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Rank: Advanced Member
Joined: 14/07/2012(UTC) Posts: 30,147 Location: Peasedown St John. N.E. Sommerset
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Met Office Hadley 9.3c Anomaly 1.5c provisional to 28th Metcheck 8.85c Anomaly 0.83c Netweather 9.53c Anomaly 1.44c Peasedown St John 9.1c Anomaly 0.64c. |
Some people walk in the rain. Others just get wet. I Just Blow my horn or trumpet
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Rank: Advanced Member
Joined: 14/07/2012(UTC) Posts: 30,147 Location: Peasedown St John. N.E. Sommerset
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Met Office Hadley 9.3c Anomaly 1.5c provisional to 29th Metcheck 8.80c Anomaly 0.78c Netweather 9.5c Anomaly 1.41c Peasedown St John 9.02c Anomaly 0.52c. |
Some people walk in the rain. Others just get wet. I Just Blow my horn or trumpet
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Rank: Advanced Member
Joined: 05/04/2006(UTC) Posts: 54,912 Location: St Helens
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We've not had the May thread posted yet. Has anyone heard from GW? |
Martin Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
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Rank: Advanced Member
Joined: 05/04/2006(UTC) Posts: 5,046
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Rank: Advanced Member
Joined: 10/06/2016(UTC) Posts: 4,670 Location: Blackrod, near Chorley, Lancs - alt: 156m
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A pretty remarkable CET for a month that had a cold start and hasn't really felt overly warm anyway. It just goes to show that a cold first week doesn't always mean a cold month overall, which I think caught many of us out this time. |
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Rank: Advanced Member
Joined: 07/10/2006(UTC) Posts: 6,714  Location: Chineham, Basingstoke
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Apologies for the delay - the May thread is now up. April 2022 CET mean 1st - 10th: 6.4C (-1.2C) 11th - 30th: 10.4C (+1.4C) Month as a whole: 9.05C (+1.0C vs. 1981-2010) Mean Max CET 14.0C (20th warmest on record) 2022 CET mean (Jan - Apr) 7.07C (10th warmest on record since 1659) [warmest was 2007 with 7.80C) Edited by user 01 May 2022 20:58:39(UTC)
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Rank: Advanced Member
Joined: 24/10/2008(UTC) Posts: 12,067 Location: West Hants
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April mean sea-level pressure anomalies for: April 2021 April 2022 Based on those, one could be forgiven for expecting similar temperatures, maybe slightly higher in 2022 due to the mean flow being more toward ENE than NNE. Yet we have a CET of 6.4°C for 2021, lowest since 1986, and one nearly 3°C higher for 2022! Pretty frustrating for those who have correctly anticipated the dominant blocking pattern for this month based on events in the stratosphere and troposphere... I'm glad I didn't go all-in on the resulting lower temps, just in case! This excess warmth has been achieved without anything unusual over most of Scandinavia or the North Sea (mean temp anomaly), which suggests to me anomalously warm air frequently followed a clockwise arc around from due west of the UK, where sea temperatures have been impressively high. Goes to show that you don't necessarily need a westerly dominated month for N. Atlantic sea temps to have a significant impact on how warm it is here - though I suspect it's pretty rare to see high and low pressure areas align in the right way for such a large portion of a month. |
If you have any problems or queries relating to TWO you can Email twomoderationteam@gmail.com :)
Homeland: Rural Mid-West Hants nearly 10 miles S of Salisbury (near Fordingbridge). More insights: https://twitter.com/peacockreports 2021's Homeland Extremes: T-Max: 30.4°C 21st Jul | T-Min: -6.8°C New Years Day! | Wettest Day: 34.1mm 2nd Oct | Ice Days: 2 (27th Jan & 8th Feb) Keep Calm and Forecast On |
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Rank: Advanced Member
Joined: 01/01/2016(UTC) Posts: 221 Location: Aylesbury, Bucks
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Isn't that an easterly setup for April 22 ? With easterlies not being especially known for cold outside the core winter months ? Please correct me if I'm wrong, trying to learn here ...
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Rank: Advanced Member
Joined: 06/12/2011(UTC)
Posts: 512
Location: Leeds
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Originally Posted by: Spring Sun Winter Dread Isn't that an easterly setup for April 22 ?
With easterlies not being especially known for cold outside the core winter months ?
Please correct me if I'm wrong, trying to learn here ... Yeah I think so, April 2021 was more direct Northerly hence much colder, this was more North-easterly which isn't necessarily that cold in April |
NW Leeds - 150m amsl |
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Rank: Advanced Member
Joined: 01/01/2014(UTC)
Posts: 241
Location: Wrightington, Wigan
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| splinter | 1.37 | | sswd | 1.61 | | jmm2005 | 1.66 | | saint snow | 1.77 | | gezm | 1.86 | | rickm | 1.95 | | redmoons | 1.97 | | gusty | 2.01 | | scillydave | 2.01 | | hippydave | 2.11 | | col | 2.17 | | norseman | 2.25 | | ap snowman | 2.35 | | dingle rob | 2.51 | | snowshoe | 2.66 | | snow magnet | 2.71 | | whether idle | 2.81 | | jerry p | 2.91 | | taylor1740 | 2.91 | | stomchaser | 3.05 | | hungry tiger | 3.11 | | moomin75 | 3.15 | | frank h | 3.16 | | windywillow | 3.41 | | caz | 3.41 | | artzeman | 3.47 | | the professional | 3.55 | | darren s | 3.81 | | surreyjohn | 3.82 | | lanky | 3.82 | | duncan mcallister | 3.91 | | grandad | 4.41 | | springsun | 4.71 | | kendalian | 4.96 | | bolty | 5.33 |
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April UK temperature analysis and discussion
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