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Ally Pally Snowman
05 August 2022 17:55:09

P3 one for the heat purists  five 40c+ days in a row. 


Bishop's Stortford 85m ASL.
TimS
  • TimS
  • Advanced Member
05 August 2022 18:13:28


P3 one for the heat purists  five 40c+ days in a row. 


Originally Posted by: Ally Pally Snowman 


Thats the hottest GEFS run in history I think. Nothing in mid July with that number of successive 40s.


Brockley, South East London 30m asl
picturesareme
05 August 2022 18:13:52


 


 


That would be quite something - 1995 (as far as I know) was the last time we went more than 40 days without rain in a location in the UK - that was Margate in Kent with 42 days. The record though is a whalloping 73 days in Mile End, London back in the Spring of 1893.


Does anyone know what we're up to now?


Originally Posted by: scillydave 


I'm sure it's been close numerous times since 1995 and possibly on a local basis maybe even been matched or succeeded, but due to limited number of met stations that actually record rainfall especially along the southern coastline of England it might have been missed. 


For my location for example we only average 20 days with rain falling during the summer so leaves on average 72 day's without rain. Now this is a 30 year average so some year's will have more rain days, and others fewer. Annoyingly Southsea metoffice station was stopped in 2005 and then Solent a few years later - Thorney doesn't record rainfall.

Ally Pally Snowman
05 August 2022 18:36:19


 


Thats the hottest GEFS run in history I think. Nothing in mid July with that number of successive 40s.


Originally Posted by: TimS 


It's five 40s are sandwiched between some high 30s for good measure. Looks like 2 or 3 other ensembles get to 40c as well. Something to keep an eye on see if it becomes a growing trend. 


 


Bishop's Stortford 85m ASL.
Ally Pally Snowman
05 August 2022 19:23:47

GEFS sniffing record heat again 


 



 


 


 


 


 


Bishop's Stortford 85m ASL.
Rob K
05 August 2022 19:38:16

P3 is beyond bonkers. Some of the July runs were crazy but that's another level.

From Tuesday it goes 30, 31, 34, 38, 40, 40, 41, 42, 36, 34, 32.

Makes 1976 look like a wet week in Skeggy.

P25 is not *quite* as intense but even longer lived: 31, 32, 33, 33, 38, 37, 37, 36, 38, 38, 38, 39, 39+ (39 at 12Z on Sun 21).\

That's nine days on the trot of 36+, of which 8 would likely touch 100F. Ridiculous.


Yateley, NE Hampshire, 73m asl
"But who wants to be foretold the weather? It is bad enough when it comes, without our having the misery of knowing about it beforehand." β€” Jerome K. Jerome
Jiries
05 August 2022 20:24:22


P3 is beyond bonkers. Some of the July runs were crazy but that's another level.

From Tuesday it goes 30, 31, 34, 38, 40, 40, 41, 42, 36, 34, 32.

Makes 1976 look like a wet week in Skeggy.

P25 is not *quite* as intense but even longer lived: 31, 32, 33, 33, 38, 37, 37, 36, 38, 38, 38, 39, 39+ (39 at 12Z on Sun 21).\

That's nine days on the trot of 36+, of which 8 would likely touch 100F. Ridiculous.


Originally Posted by: Rob K 


I think we could have this year if we have no cloud issue.  It will happen sooner than later to experience prolonged heatwave here instead of 1 day wonder.

picturesareme
05 August 2022 20:56:45


 


I think we could have this year if we have no cloud issue.  It will happen sooner than later to experience prolonged heatwave here instead of 1 day wonder.


Originally Posted by: Jiries 


We already are in a prolonged heatwave jires πŸ˜… it might not be prolonged +30C heat but in this past month only 5 days have failed to hit at least 24C for my location and I suspect similar for many more. Also yes we have had numerous days in the 30's during this past month.

TimS
  • TimS
  • Advanced Member
05 August 2022 21:24:33


 


We already are in a prolonged heatwave jires πŸ˜… it might not be prolonged +30C heat but in this past month only 5 days have failed to hit at least 24C for my location and I suspect similar for many more. Also yes we have had numerous days in the 30's during this past month.


Originally Posted by: picturesareme 


We are indeed. Statistics wise we are already up there with summers like 2013, 2005, 1984, 1990 and 1994 even if the rest of August is a cold washout. With the shortest and least intense of the modelled hot spells next week we already enter 1989 and 2006 territory, and probably 2003 and 1983. With the upper end of the current ensembles we bag summer 2022 as a 2018, 1995, 1976 podium finish. 


Brockley, South East London 30m asl
Downpour
05 August 2022 21:31:25
Outlook for the majority of the UK population: warm if not very warm. No end in sight for the drought.
Chingford
London E4
147ft
Downpour
05 August 2022 21:34:26
Another August that gives the lie to the tired cliche that the weather always declines once the schools break up. Was always nonsense but at least this one will be fresh in the mind.
Chingford
London E4
147ft
picturesareme
05 August 2022 21:34:50


 


We are indeed. Statistics wise we are already up there with summers like 2013, 2005, 1984, 1990 and 1994 even if the rest of August is a cold washout. With the shortest and least intense of the modelled hot spells next week we already enter 1989 and 2006 territory, and probably 2003 and 1983. With the upper end of the current ensembles we bag summer 2022 as a 2018, 1995, 1976 podium finish. 


Originally Posted by: TimS 


I think on balance 2013 was at least for me down here warmer even if it didn't get above 31C. The June was from memory very warm because of the frequency N/NE winds, and that July was a cracker for the bulk of country.  The June July period saw many more days above 26C here.

Rob K
05 August 2022 22:44:00

So far this summer we have only had one day that failed to reach 20C in the UK, and that was June 1st.

After 66 days of meteorological summer, we have had 34 days (52%) of 25C+, 21 days (32%) of 28C+, 15 days (23%) of 29C+, 9 days (14%) of 30C+, and 2 days (3%) of 35C+.

Or for the old fashioned, 41% of days this summer (27 days) have reached 80F, and 6% (4 days) have reached 90F.

After next week those percentages should have climbed even higher!


 


GEM looks pretty hot this evening, and the GFS 18Z is also hot but cools significantly from Mon 15th.


Yateley, NE Hampshire, 73m asl
"But who wants to be foretold the weather? It is bad enough when it comes, without our having the misery of knowing about it beforehand." β€” Jerome K. Jerome
TimS
  • TimS
  • Advanced Member
06 August 2022 05:30:26

Just off the ferry at L’Ile Rousse at an unearthly 5.30am, on to an early opening cafe and check the models to see GFS finally changes its mind and let’s the op stay hot for most of the run.

As does GEM. As does UKMO.


EDIT: as does ECM.


Brockley, South East London 30m asl
TimS
  • TimS
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06 August 2022 05:58:13
This morning’s insanely hot 1976 on steroids run is the GEM control.
Brockley, South East London 30m asl
Jiries
06 August 2022 06:08:48

Just off the ferry at L’Ile Rousse at an unearthly 5.30am, on to an early opening cafe and check the models to see GFS finally changes its mind and let’s the op stay hot for most of the run.

As does GEM. As does UKMO.

Originally Posted by: TimS 


Hot weather will not go away unless France cool down but no signs of it so likely stay to late September when Autumn arrive to kill off.  In the meantime perfect rising every day to 32C in here by Friday. At least no big rise and drop nonsense set up, more like what we had in the past heatwaves.  9C this morning the coldest so far in a long while which used to be normal before the heatwave starts.

Brian Gaze
06 August 2022 06:43:10
Imagine if we'd had 5 winters this century comparable to 1963. 😨
Brian Gaze
Berkhamsted
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"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan
DEW
  • DEW
  • Advanced Member
06 August 2022 06:43:29


 


Hot weather will not go away unless France cool down but no signs of it so likely stay to late September when Autumn arrive to kill off.  In the meantime perfect rising every day to 32C in here by Friday. At least no big rise and drop nonsense set up, more like what we had in the past heatwaves.  9C this morning the coldest so far in a long while which used to be normal before the heatwave starts.


Originally Posted by: Jiries 


Perfect for some; others of us think 25C quite enough. But what about water supply, impossible conditions for gardens, and I'm really sorry for farmers trying to grow veg.


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
Ally Pally Snowman
06 August 2022 06:47:36

ECM op looks a contender for the steroids run. Roasting!


Bishop's Stortford 85m ASL.
Rob K
06 August 2022 06:50:28
GFS op run is a warmer one but the ensembles have fewer of the insane record breakers. Still crazy to see that constant rise in 850s over the next 7 days though!
Yateley, NE Hampshire, 73m asl
"But who wants to be foretold the weather? It is bad enough when it comes, without our having the misery of knowing about it beforehand." β€” Jerome K. Jerome
TimS
  • TimS
  • Advanced Member
06 August 2022 06:51:14


 


Perfect for some; others of us think 25C quite enough. But what about water supply, impossible conditions for gardens, and I'm really sorry for farmers trying to grow veg.


Originally Posted by: DEW 


So far the announced hosepipe bans are only for domestic purposes so farmers can continue to irrigate. I think market gardeners are generally OK as the surface area needing irrigation is usually relatively small. Arable farmers have more of an issue if it’s really dry given the sheer scale of land that would need watering and the marginal profits available (though grain and oilseed prices are very high this year due to Ukraine). Maize is typically a problem crop in dry summers: drought sensitive but grown at large scale. 


Very difficult for cattle grazing and dairy. Cows need lots of fresh grass and in droughts it needs to be topped up with expensive and scarce hay. Again, margins are wafer thin. Large areas of Central France that are traditional cattle rearing areas (Limousin, Charolais) have had multiple crisis years this last decade and I expect many will give up at some point and convert to arable or orchards. 

There’s been some debate in the viticulture community on the merits and legality of watering young vines. Mine were planted in April. So far no apparent drought effects and we had 5mm in late July which will have helped, but another hot dry month is a bit worrying. 


Brockley, South East London 30m asl
Ally Pally Snowman
06 August 2022 07:13:57

Over a  week of 15c + 850s for many on the ECM.  


Bishop's Stortford 85m ASL.
DEW
  • DEW
  • Advanced Member
06 August 2022 07:15:55

WX summary this morning back to showing heat over W Europe incl England for the next two weeks; any cool down promised yesterday confined to areas E of the Baltic. There's an interesting temp gradient between there and ultra-hot Hungary through Ukraine to Caspian. Also quite a temp gradient from S England to N Scotland, though not as sharp as further east. Rain in week 1 in a band stretching E from N Scotland, but a very dry area for W Spain, France, Germany, England; in week 2 the rain moves S with significant amounts shown in N England and over the Alps.


GFS Op - HP centred W of Ireland becomes a ridge SW-NE across UK to Norway Thu 11th then becoming more diffuse with centre mostly near NW Scotland to Mon 15th. LP then develops near Iceland and becomes centred as shallow low 1005mb Ireland Fri 19th before moving slowly NE. A hurricane appears the chart for Fri 19th intensifying but staying in the W Atlantic.


MetO forecasting dawn-to-dusk sunshine for a full week and temps of 35C for London by Fri 12th, echoed by Meteo Group (BBC)


GEFS - peak temps 8C above norm in S, more like 4C above in N, by Fri 12th with good agreement between ens members, then declining slowly with less variation than shown yesterday, back to norm by Fri 19th, even perhaps below norm in the N later.Small amounts of rain from that date in some ens members in S, not much more in N.


ECM - similar to GFS, perhaps lower pressure over N Sea from Mon 15th as HP moves away


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
moomin75
06 August 2022 07:22:23


ECM op looks a contender for the steroids run. Roasting!


Originally Posted by: Ally Pally Snowman 

Astonishing run yes. Looks like summer has a long, long, long way to run.


Witney, Oxfordshire
100m ASL
DEW
  • DEW
  • Advanced Member
06 August 2022 07:25:07


 


So far the announced hosepipe bans are only for domestic purposes so  I think market gardeners are generally OK as the surface area needing irrigation is usually relatively small. Arable farmers have more of an issue if it’s really dry given the sheer scale of land that would need watering and the marginal profits available (though grain and oilseed prices are very high this year due to Ukraine). Maize is typically a problem crop in dry summers: drought sensitive but grown at large scale. 


Very difficult for cattle grazing and dairy. Cows need lots of fresh grass and in droughts it needs to be topped up with expensive and scarce hay. Again, margins are wafer thin. Large areas of Central France that are traditional cattle rearing areas (Limousin, Charolais) have had multiple crisis years this last decade and I expect many will give up at some point and convert to arable or orchards. 

There’s been some debate in the viticulture community on the merits and legality of watering young vines. Mine were planted in April. So far no apparent drought effects and we had 5mm in late July which will have helped, but another hot dry month is a bit worrying. 


Originally Posted by: TimS 


Up to a point; but irrigation has energy costs and with very high temps and dry soil there's a problem with immediate evaporation.


Most of the arable crops have been harvested so such farmers can sit it out, though a poor maize crop, still to come in, is going to exacerbate the feed problem for dairy farmers in months to come.


Vines (AFAIK but I defer to your expertise) once established are deep-rooted and evolved to grow in Mediterranean conditions where there is little summer rain so should actually do well this year.


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl

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