Hot Spell - Saturday 16th July onwards

Todays max

Metar for Casement at 11pm shows 10 knots Clear Skies 27 degrees.

EIME 182200Z 23010KT 190V290 CAVOK 27/10 Q1012

Great explanation, thanks Gonzo..

Yea its been very disappointing for us so far this summer but will take what ever we can get.

Would be great now to get one more good blast that may last a bit longer up this way, but with August approaching fast im not holding out too much hope on that one.

I wonder is 27 degrees a record for this time of day. Curious to see it if can stay up around 25 degrees at the turn of midnight, that would be quite something. I seem to recall last July in parts of the midlands and over towards shannon that temps stayed up into 20s at midnight but I certainly dont remember seeing a temp like 25-27 degrees at midnight. I wonder what the record high temp at midnight is, might as well throw another record into the mix for the day thats in it 😄

It’s a major struggle to get to sleep. I really should have the fan on. Thought last night was bad but this is ten times worse. I wouldn’t be moaning if I didn’t have work tomorrow.

Not a bad little country with weather like this 🤩

Temperatures generally 19-21 across much of Dublin (at 11pm update anyway). Absolutely fine for sleeping IMO once you let some air into the house post sun down. You got to prepare for the hot days, curtains drawn and windows closed on the sunny side of the house or else you're screwed for later and basically had your house acting like a greenhouse. Only so much opening the windows can do at night if you let the indoor temp hit 28c+. That’s a serious temperature gradient between Phoenix and Casement. You must be able to feel the transition if you were to travel between the two.

Back from the hotter continent myself and I must say this 20 degrees I’ve landed into feels baltic. Mad how quickly your body can adjust for the searing heat of elsewhere.

EDIT: Casement drops 5c to 22c now. I'd be amazed if that wasn't an error so. Who lit a fire by the station to try break some 11pm records huh?

Casement 22 degrees at midnight

Now look at that 🤩 you don't see that often here, the chart tells the story itself

Well we may not of gotten a record breaking day temperature but we may have a record low if temps stay at 20c or so

It is easy to see why temperatures might shoot up at night by looking at soundings. After a hot day, the immediate surface layer can cool down quickly in the evening but just a few tens of metres up the hot air still remains. Take the 23Z ascent for Herstmonceux in southern England, for example. Surface air temperature 21 °C but just 100 metres up still 29 °C. All it takes is for a slight breeze to mix down this warmer air from above. The same most likely happened at Casement and Le Harve.