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#1501386 - 29/06/2019 17:05 World Weather of Interest
Eigerwand Offline
Weather Freak

Registered: 28/05/2012
Posts: 526
Opening this thread to highlight and talk about any note worthy weather events worldwide.

45.9C recorded in France on Friday. The first ever 45C + temperature recorded in France and completely blows the old record of 44.1C of August 2003 away. Sad to think of the melt such weather would be causing up in the Alps.

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#1501407 - 30/06/2019 10:06 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
Weatherzone Addict

Registered: 01/05/2014
Posts: 2842
This 45.9 seems to be a major faux pas by Meteo France. The 45.9 appears as an 'apparent' temperature and not the recorded air temp which was 44.1 at 5pm local time which equal 2003). The site itself at Gallargues-le-Montueux and 4 other sites mentioned as breaking the old record are in an arc nor East and east of Montpellier. None of the 5 sites are part of the official Meteo France network. See list of MF sites here http://www.meteofrance.com/previsions-meteo-france/station-observations. The max for the 28th from an official site was 43.5 at Montpellier.
You can see the error of trumpeting the apparent temp here https://www.infoclimat.fr/observations-meteo/archives/28/juin/2019/gallargues-le-montueux/000OZ.html
Notice the siting of the instrument on a frigging rooftop.
As for 45 never being recorded in France before, newspapers on Aug 28 1930 hype a 122 Fahrenheit at St Etiene. There is currently an official MF station there, but I don't know the background of the recorded 122 in 1930.
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#1501409 - 30/06/2019 10:18 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
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Registered: 01/05/2014
Posts: 2842
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#1501416 - 30/06/2019 12:27 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
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Registered: 01/05/2014
Posts: 2842
I think 44.3 from the official MF site at Carpentras might have been the hottest in France. If so, it would be an official record still.
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#1501432 - 30/06/2019 19:08 Re: World Weather of Interest [Re: Eigerwand]
Eigerwand Offline
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Registered: 28/05/2012
Posts: 526
Cheers for bringing that to light Knot.

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#1501437 - 30/06/2019 20:26 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
Weatherzone Addict

Registered: 01/05/2014
Posts: 2842
Clearly an exceptional event which ever way the data chips eventually fall. A lot of the confusuon around many of the temps recorded is the apparent practice of MF using private/amatuer temperature networks and mixing it with its official data output. They certify these amatuer sites in some way but the equipment is likely not as advanced or as rigorously calibrated as official site equipment. It would be like Bom using data from amatuer owned instruments feeding PWS when making official temp announcements I spose.
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#1501440 - 30/06/2019 20:49 Re: World Weather of Interest [Re: Eigerwand]
mithrandir Offline
Cloud Gazer

Registered: 11/09/2018
Posts: 8
Loc: Western Sydney
Here is a link to information regarding the weather station at Gallargues Le Monteuex. It is not sited on a roof.

https://donneespubliques.meteofrance.fr/metadonnees_publiques/fiches/fiche_30123001.pdf

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#1501445 - 30/06/2019 21:10 Re: World Weather of Interest [Re: Eigerwand]
Eigerwand Offline
Weather Freak

Registered: 28/05/2012
Posts: 526
Well there you go! I wouldíve thought a thermometer on roof would easily read in excess of 50C on hot day.

Iím confused now as to where the exact temps were measured. But nevertheless, an extreme event particularly given it has (just) fallen June as July-August is usually much hotter.

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#1501459 - 01/07/2019 07:24 Re: World Weather of Interest [Re: mithrandir]
Knot Offline
Weatherzone Addict

Registered: 01/05/2014
Posts: 2842
That pdf is a "secondary" MF station near a canal at a winery co-op. The confusion is arising due to the 45.9 being an apparent temp from a sensor on a roof belonging to an amateur network in the village proper. It seems very unlikely that the MF secondary site with a canal and vegetation would record a 45.9 real temp which just so happens to be the same as the 45.9 apparent temp from an amatuer site a few kms away. MF could clear this up by clearly stating the source for the 45.9. It could be an extraorinary coincidence. It could also be a case of an over exuberant MF staffer misreading data from the amatuer network and feeding it to a sensationalist media. Time will tell
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#1501482 - 01/07/2019 14:18 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
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Registered: 01/05/2014
Posts: 2842
Some info on the following link addresses the two sites that have the data confusion. The weatherman, Sechet is not a MF employee so it is not an official response. Apparently the
'3 rated' site connected with MF that is claimed to have recorded the temp meets the criteria for reliability according to Sechet. It still seems incredibly coincidental that it would record 45.9 whilst a nearby weather enthusiast temp gauge also records 45.9, but as a 'bioweather' temp. More sleuthing might be required on this one.


Edited by Knot (01/07/2019 14:19)
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#1501483 - 01/07/2019 14:21 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
Weatherzone Addict

Registered: 01/05/2014
Posts: 2842
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#1501489 - 01/07/2019 16:31 Re: World Weather of Interest [Re: Eigerwand]
mithrandir Offline
Cloud Gazer

Registered: 11/09/2018
Posts: 8
Loc: Western Sydney
Looking at the current observations page for Sydney I note that Badgerys Creek has a temperature of 14.4 while Canterbury has an apparent temperature of 14.4.

Coincidences happen.

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#1501490 - 01/07/2019 17:19 Re: World Weather of Interest [Re: Eigerwand]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 3505
Loc: Wollongong, NSW, Aus
Not with heat records they donít.

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#1501495 - 01/07/2019 18:03 Re: World Weather of Interest [Re: Knot]
Eigerwand Offline
Weather Freak

Registered: 28/05/2012
Posts: 526
Originally Posted By: Knot


So, that means it contradicts your earlier posts and the 45.9C was indeed from a site part of the Meteo network??

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#1501498 - 01/07/2019 18:16 Re: World Weather of Interest [Re: Kino]
Eigerwand Offline
Weather Freak

Registered: 28/05/2012
Posts: 526
Originally Posted By: Kino
Not with heat records they donít.


Please add some of value to the thread or else just keep quiet. I prefer you didn't feel the need to trash every thread that brings up something that contradicts with your; the ice age is nigh/global warming is a hoax, evangelicalism. I really don't feel like having to go through the same arguments as when I started the January Heat thread.

I look forward to winter in the N hemisphere as perhaps there maybe some interesting cold events to talk about like for instance the cold snap that hit Mid-West USA and Canada last winter.

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#1501500 - 01/07/2019 18:58 Re: World Weather of Interest [Re: Eigerwand]
Petros Offline
Meteorological Motor Mouth

Registered: 30/12/2002
Posts: 8071
Loc: Maffra, Central Gippsland, Vi...
You will get a ripper winter to observe in the NH in 6 months time Eiger. Trend to Solar Minimum along with equatorial volcanic dust/vapour will see to that.

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#1501508 - 01/07/2019 21:19 Re: World Weather of Interest [Re: Eigerwand]
Knot Offline
Weatherzone Addict

Registered: 01/05/2014
Posts: 2842
@Eigerwand
It appears there is some kind of meteo site outside the village that is official. That is true. The question is whether this 45.9 was recorded at that site or the in the village rooftop site that is not official, but is 'certified' to have data put on the internet. The data from the official wine co-op site requires spending some cash to view I believe.
I am not trying to split hairs. I think MF's byzantine archival practices are at fault perhaps ie why don't they put up the daily data for the site claimed to have recorded 45.9 and let it be put to rest with no room for conjecture.
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#1501522 - 02/07/2019 09:06 Re: World Weather of Interest [Re: Eigerwand]
Blair Trewin Offline
Weatherzone Addict

Registered: 13/07/2001
Posts: 3983
Loc: Melbourne, Australia
The 45.9 is definitely a real reading. In total 13 Meteo-France stations exceeded the previous record - see https://twitter.com/EKMeteo/status/1145641706349572096 (this is a Meteo-France forecaster).

As for the alleged 50 degrees in 1930, somebody tracked down the original French source, which said that it was 50 degrees 'au soleil'. The 'au soleil' bit doesn't seem to have made it into the English-language newspapers of the day (the screen temperatures were in the mid-30s).

And the photo that's doing the rounds showing a site next to a motorway is not the site at which the record was measured.

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#1501523 - 02/07/2019 09:11 Re: World Weather of Interest [Re: Eigerwand]
Blair Trewin Offline
Weatherzone Addict

Registered: 13/07/2001
Posts: 3983
Loc: Melbourne, Australia
And another map showing all the stations in France's principal synoptic network. Red shows stations which have set all-time records, orange June monthly ones.

https://twitter.com/DorianDziadula/status/1145829144321822723

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#1501536 - 02/07/2019 11:33 Re: World Weather of Interest [Re: Blair Trewin]
Knot Offline
Weatherzone Addict

Registered: 01/05/2014
Posts: 2842
Have you seen the data Blair? What is your opinion of a record max temp that is exactly the same as a feels like temp registered a few kilometres away.
Can you countenance the possibility of an error given this coincidence. The Bom itself has been quick to claim a record or two but later walk it back.
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