US Weather 2024

Discussion of weather and climate outside of NZ's waters. Australian weather, tropical cyclones and USA storm chasing feature here.
spwill
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Re: US Weather 2024

Unread post by spwill »

Impressive drone footage from earlier in the week.
https://www.youtube.com/watch?v=IEFGKMWYD-E&t=175s
Bradley
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Re: US Weather 2024

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Death Valley just hit 128.4F or 53.6C with even hotter conditions forecast for tomorrow, the world record may under threat…
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Re: US Weather 2024

Unread post by Bradley »

Las Vegas just broke it's all-time hottest temp with 118F recorded today, beating the old record by 1F
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Re: US Weather 2024

Unread post by Richard »

Bradley wrote: Mon 08/07/2024 11:09 Las Vegas just broke it's all-time hottest temp with 118F recorded today, beating the old record by 1F
Not surprising, Las Vegas like many other global recording sites are being affected by the spread of urbanization heating.
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Re: US Weather 2024

Unread post by Bradley »

Richard wrote: Mon 08/07/2024 17:25
Bradley wrote: Mon 08/07/2024 11:09 Las Vegas just broke it's all-time hottest temp with 118F recorded today, beating the old record by 1F
Not surprising, Las Vegas like many other global recording sites are being affected by the spread of urbanization heating.
Yes unfortunately the AGW cultists will be out in force now
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Nev
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Re: US Weather 2024

Unread post by Nev »

Bradley wrote: Mon 08/07/2024 18:19 Yes unfortunately the AGW cultists will be out in force now
Seriously?
May I remind you that attacking people who don't share your beliefs with derogatory labels such as 'cultists' contravenes the rules of this forum! Attack the point of opinion, not the person or persons themselves. :(
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Nev
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Re: US Weather 2024

Unread post by Nev »

According to the NWS's hourly obs, Death Valley reached at least 53.9°C (129.1°F) about 11 hrs ago.

https://www.weather.gov/wrh/timeseries?site=DEVC1

The hottest temperature ever officially recorded on Earth was 56.7°C (134.1°F) in July 1913 in Death Valley, although some experts dispute that measurement and say the real record was 54.0°C (129.2°F), recorded both at Death Valley in June 2013 and in Mitribah, Kuwait in July 2016. There have since been higher readings of 54.4°C (129.9°F) in August 2020 and July 2021, both at Death Valley, that are pending validation.
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Re: US Weather 2024

Unread post by Richard »

How could the Greenland Ranch site in Death Valley 1913 record be disputed? is it because it was before the WMO was formed in 1927?, Surely it would have been a screened recording that meet the later WMO standard. As for the Furnace Creek site, how far back does this sites recording history go.
Where are these so called 'experts' in regard to the resent Las Veges record that most likely does not meet the WMO standard.
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Re: US Weather 2024

Unread post by Bradley »

Looks like Furnace Creek is tracking slightly ahead of yesterday with 124.6F (51.4C) at 1.54pm. Interestingly it looks like Tuesday, Wednesday and Thursday will be 1C hotter with 850hpa temps of 36C forecast for Death Valley as opposed to 35C today so if the 129.9F mark set in 2020 and 2021 doesn't go today then there is still 3 days where the conditions look able to get to that magical 130F mark...
image.png
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Bradley
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Re: US Weather 2024

Unread post by Bradley »

Top-10 list of hottest (universally accepeted) world temperatures:

1) 54.4° C (130.0°F), 7/09/2021, Furnace Creek (California, U.S.);
2) 54.4° C (129.9°F), 8/16/2020, Furnace Creek (California, U.S.);
3) 54.1° C (129.4°F), 7/10/2021, Furnace Creek (California, U.S.);
4) 54.0° C (129.2°F), 6/30/2013, Furnace Creek (California, U.S.);
4) 54.0° C (129.2°F), 7/21/2016, Mitribah (Kuwait);
6) 53.9° C (129.0°F), 7/17/1998, Furnace Creek (California, U.S.);
6) 53.9° C (129.0°F), 7/19/2005, Furnace Creek (California, U.S.);
6) 53.9° C (129.0°F), 7/06/2007, Furnace Creek (California, U.S.);
6) 53.9° C (129.0°F), 7/22/2016, Basra International Airport (Iraq); and
10) 53.8° C (128.8°F), 7/22/2016, Basra-Hussen (Iraq).
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Nev
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Re: US Weather 2024

Unread post by Nev »

Richard wrote: Tue 09/07/2024 09:45 How could the Greenland Ranch site in Death Valley 1913 record be disputed? is it because it was before the WMO was formed in 1927?, Surely it would have been a screened recording that meet the later WMO standard. As for the Furnace Creek site, how far back does this sites recording history go.
Readings at Furnace Creek Ranch (formerly known as Greenland Ranch) in Death Valley began in 1911. In 1961 it was moved about 700 metres NW to its current location near the Furnace Creek Visitor Center.

Death Valley WS in 1921.png

The Death Valley record of 56.7°C (134.1°F) in 1913 is still officially the highest temperature ever recorded on Earth. However, some experts note that the temperatures reported in Death Valley when the record was set were “not consistent” with weather observed in the same region at the same time and that there is no indication that an exceptional heat wave was occurring in the Southwest U.S. during this period.

https://www.accuweather.com/en/weather- ... ted/979835
Temperatures at Greenland Ranch, Death Valley and nearby locations in 1913. (John Christy, adapted by Capital Weather Gang).png
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Richard
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Re: US Weather 2024

Unread post by Richard »

Interesting. Thanks Nev
And they are saying there that the Greenland Ranch is sited in a cooler part of the valley. There are areas that are lower below sea level, so it could be likely that 58C+ temps are going unrecorded.
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Re: US Weather 2024

Unread post by Bradley »

Richard wrote: Tue 09/07/2024 09:45 How could the Greenland Ranch site in Death Valley 1913 record be disputed? is it because it was before the WMO was formed in 1927?, Surely it would have been a screened recording that meet the later WMO standard. As for the Furnace Creek site, how far back does this sites recording history go.
Where are these so called 'experts' in regard to the resent Las Veges record that most likely does not meet the WMO standard.
Long story short the Death Valley 56.7C in 1913 is completely bogus, Christopher Burt who was part of the WMO team that decertified the Al Azizia, Libya 58C world record has stated "“The old Death Valley record from July 1913 is 100% bogus (not just 99.9% such), as are all other temperature readings of 130 degrees Fahrenheit or higher from Africa in the past,” Burt said.

In order for the 1913 Death Valley record to be decertified, though, an official WMO investigation committee would have to be assembled to look into the matter, a years-long process for which there is currently "no motivation".
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Richard
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Re: US Weather 2024

Unread post by Richard »

Bradley wrote: Wed 10/07/2024 10:18 [

In order for the 1913 Death Valley record to be decertified, though, an official WMO investigation committee would have to be assembled to look into the matter, a years-long process for which there is currently "no motivation".
Its a wonder they dont as it would help push there man made climate change agenda by showing temp records as being set in more resent years.
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TonyT
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Re: US Weather 2024

Unread post by TonyT »

Bradley wrote: Wed 10/07/2024 10:18
Richard wrote: Tue 09/07/2024 09:45 How could the Greenland Ranch site in Death Valley 1913 record be disputed? is it because it was before the WMO was formed in 1927?, Surely it would have been a screened recording that meet the later WMO standard. As for the Furnace Creek site, how far back does this sites recording history go.
Where are these so called 'experts' in regard to the resent Las Veges record that most likely does not meet the WMO standard.
Long story short the Death Valley 56.7C in 1913 is completely bogus, Christopher Burt who was part of the WMO team that decertified the Al Azizia, Libya 58C world record has stated "“The old Death Valley record from July 1913 is 100% bogus (not just 99.9% such), as are all other temperature readings of 130 degrees Fahrenheit or higher from Africa in the past,” Burt said.

In order for the 1913 Death Valley record to be decertified, though, an official WMO investigation committee would have to be assembled to look into the matter, a years-long process for which there is currently "no motivation".
Burt's opinion is as suspect as the record he claims is false. There is a lot of circumstantial evidence from other sites, other days around the same time at the Furnace Creek site, and the provenance of the station which is well documented and photographed, to suggest that the record is entirely plausible. July 1913 was the warmest period recorded at several other Death Valley sites, and many in the broader region. There were many maximums of 129-130degF during that month.
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Re: US Weather 2024

Unread post by Bradley »

TonyT wrote: Wed 10/07/2024 12:35
Bradley wrote: Wed 10/07/2024 10:18

Long story short the Death Valley 56.7C in 1913 is completely bogus, Christopher Burt who was part of the WMO team that decertified the Al Azizia, Libya 58C world record has stated "“The old Death Valley record from July 1913 is 100% bogus (not just 99.9% such), as are all other temperature readings of 130 degrees Fahrenheit or higher from Africa in the past,” Burt said.

In order for the 1913 Death Valley record to be decertified, though, an official WMO investigation committee would have to be assembled to look into the matter, a years-long process for which there is currently "no motivation".
Burt's opinion is as suspect as the record he claims is false. There is a lot of circumstantial evidence from other sites, other days around the same time at the Furnace Creek site, and the provenance of the station which is well documented and photographed, to suggest that the record is entirely plausible. July 1913 was the warmest period recorded at several other Death Valley sites, and many in the broader region. There were many maximums of 129-130degF during that month.
Perhaps there is "no motivation" to investigate it because he knows there isn't enough evidence to the contrary and they would never be able to get the record quashed. Just a thought!
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Re: US Weather 2024

Unread post by Simon Culling »

Below is the link to the full article by Christopher Burt on why he thinks that the 134°F recorded at Death Valley on 13th July 1913 was not meteorologically possible. he makes a good case, but is a bit like finding the identity of Jack the Ripper - we will never know for certain.

It is a long article, but you need to read all of it to understand his point.

https://www.wunderground.com/blog/weath ... ecord.html
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Re: US Weather 2024

Unread post by Orion »

Skydiving instructor dies and student seriously injured after ‘dust devil’ disrupts their landing
A professional skydiving instructor has died and her student left seriously injured after the pair collided with “dust devils” in southern California on Friday.

An instructor for Skydive Perris, Devrey LaRiccia Chase, 28, was on her last jump of the day. She and her student were descending with their parachute deployed in a routine tandem jump when they encountered the dust devils, according to Devrey’s husband, Freddy Chase, via KTLA 5 News.

Dust devils are dust-filled whirlwinds, which can also contain debris, and form in dry and clear-sky conditions when the ground reaches a high temperature. They resemble a small tornado but are not generally thought to be a threat.

A fellow skydiver, LaRiccia Chase’s husband, 32, explained that she managed to avoid the first dust devil but was caught in the second as it was travelling over grass, meaning she could not see the direction in which it was moving.
This sent her canopy into an uncontrolled spin, bringing her and her student crashing into the ground from a height of approximately 25 to 30 feet.

The pair were transported to hospital, where LaRiccia Chase was later pronounced dead. As of Tuesday (6 August) the identity and status of her student have not been released.
...
https://www.independent.co.uk/news/worl ... 92141.html
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Re: US Weather 2024

Unread post by Simon Culling »

Thanks for posting this report, Orion. It is very rare for dust devils to cause fatalities. The circumstances of this event must be virtually unique with the probability of occurrence likely to be hundreds of thousands to one.

Then again, I do recall an incident some years back when para glider encountered a dust devil on the slope of a hill as he landed. From memory, his injuries were minor.
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Re: US Weather 2024

Unread post by Nev »

Beautiful microburst time-lapse yesterday (NZT) from award-winning filmmaker and professional storm chaser Mike Olbinski...




"An unbelievable moment today at Sky Harbor Airport where we watched an amazing microburst drop just northeast of the airport between Tempe and Scottsdale. Stunning scene, I had no words, it was incredible to witness the light and power of a downburst along with dust incoming from storms to the far southeast."
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Re: US Weather 2024

Unread post by tgsnoopy »

Some incredible footage and this guy needs to go buy a lotto ticket.

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Re: US Weather 2024

Unread post by Simon Culling »

On 5th September, the city of Phoenix (Arizona) broke its record for the number of days in a year with a temperature of 110°F (43°C) or higher. The total reached 56 days for 2024 beating last years record of 55. The 6th and 7th extended that record to 58 days, but today (8th Sept) is touch and go as the highest hourly to mid-afternoon has been 108°F.

https://x.com/NWSPhoenix/status/1831790011399991732
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Re: US Weather 2024

Unread post by JP. »

tgsnoopy wrote: Sat 07/09/2024 15:46 Some incredible footage and this guy needs to go buy a lotto ticket.
Wow, very lucky!
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Re: US Weather 2024

Unread post by RODALCO »

tgsnoopy wrote: Sat 07/09/2024 15:46 Some incredible footage and this guy needs to go buy a lotto ticket.

An amazing video and story. Great choice of music to complement the footage. He was very lucky.
Who put the LED's on the lightning arrestor ?
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Re: US Weather 2024

Unread post by Simon Culling »

The city of Phoenix (Arizona) recorded its highest ever October temperature of 113°F a couple of days ago - 1st October 2024. This smashed the old record of 107°F set in both 1980 and 2020.

https://x.com/NWSPhoenix/status/1841287476356547049

This follows the breaking of the September record on Saturday 28th with 117°F recorded. The old record of 116°F, originally set on 1st September 1950, was also equalled this year on the 5th of September.
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