June 2025 discussion-obs: Summerlike

[LibertyBell]

2 hours ago, Sundog said:

Thanks for mentioning the micronet. I didn't know about it, only the state wide one. 

Unfortunately these geniuses decided that out of 23 stations, not a single one will be anywhere in the easte half of Queens. We don't matter much out here on the outskirts. But our property taxes do!

hey what about us in Nassau county?

[LibertyBell]

23 minutes ago, Roger Smith said:

• 1960: A heat burst struck Kopperl, TX, located about 50 miles southwest of Fort Worth from a dying thunderstorm. As the air sank, it warmed to around 140°. When the heat burst struck the ground, winds fanned out at over 75 mph. People had to wrap themselves in wet blankets to protect themselves from the heat. All crops were destroyed by the heat. (Ref. Wilson Wx. History)

If this had been recorded at a weather station it would have been the highest ever verified temperature not only in the U.S.A. but on earth. I wonder what evidence existed for saying it was 140 degrees? 

• For example, a well-documented heat burst in Kimberly, South Africa, saw a temperature rise from 67°F to 110°F in just five minutes. 

[LibertyBell]

28 minutes ago, Roger Smith said:

• 1960: A heat burst struck Kopperl, TX, located about 50 miles southwest of Fort Worth from a dying thunderstorm. As the air sank, it warmed to around 140°. When the heat burst struck the ground, winds fanned out at over 75 mph. People had to wrap themselves in wet blankets to protect themselves from the heat. All crops were destroyed by the heat. (Ref. Wilson Wx. History)

If this had been recorded at a weather station it would have been the highest ever verified temperature not only in the U.S.A. but on earth. I wonder what evidence existed for saying it was 140 degrees? 

a firsthand acct

 

https://www.reddit.com/r/weather/comments/6zjtby/did_the_140f_kopperl_tx_heat_burst_of_june_1960/

1birder
•
2y ago
I lived on a farm outside Kopperl when this happened. I was nine years old and I remember waking up in the middle of the night when our old window water cooler went off. It was eerily silent and then the house was hit by a very strong and HOT wind. My father decided we needed to go to the storm cellar outside the back door and we stayed in there for quite a while. Later we saw the large advertising thermometer at Riddle's Bait shop in Kopperl which had burst from the heat. On the news we saw photos of someone's cotton field and all the plants were scorched. Very, very strange but I had no idea this was such a land mark event.

I wrote three comments in different places about the event that you might be able to read if you search my name. I don't know why anyone would doubt that this happened. DFW news stations have shown video taken at the time that clearly pictured the scorched cotton crop. More damage may have been shown but that is what I remember most clearly....along with the shattered thermometer at Riddle's Bait shop. As far as an accurate exact temperature I doubt that could ever be confirmed unless someone in Kopperl was "into" weather and had good instrumentation. The Meridian Tribune is a good county weekly newspaper and they could run something asking for information from others who lived through the event. I was only 9 so someone who was older at the time would be better able to give details. This was a very strange event but I remember being much more frightened when we had to go to the storm cellar during tornados.

[LibertyBell]

23 minutes ago, LibertyBell said:

• For example, a well-documented heat burst in Kimberly, South Africa, saw a temperature rise from 67°F to 110°F in just five minutes. 

https://community.netweather.tv/topic/69523-heat-bursts/

Sometimes known as heat flashes these are a pretty rare phenomenon. These have been well documented in the US and South Africa and are caused by either by a downburst of air from collapsing thunderstorms or from katabatic downsloping of hot air funneled and focussed through mountain valleys.

There are apocryphal reports of incredible heat bursts temperatures: 188F in Abadan, Iran, 158F near Lisbon, and 152F at Antalya, Turkey. The hottest certified heat burst temperature was 110F recorded at Kimberly, South Africa, during the passage of a thunderstorm.

The temperature rose from from 67F at 2100 to 110F at 2105 and then fell back to 67F by 2145.

Stumbled on this by chance in my archives

A letter by F. B. Parkinson of Madibi Mines in Kimberley South Africa

"At 9pm on the 20th September 1911, a thunder cloud approached from the west, bringing with it a squall of wind that caused the temperature to rise in a few minutes to 110F. By 9.45pm, it had fallen again to 67F which I expect the temperature before the squall. I do not think my thermometer responded quick enough to register the highest point but it is safe to say it rose 40F in 5 minutes."

Here's a recent one which occurred in Adelaide in early 2009:

"On the morning of January 29, an exceptional nocturnal heat event occurred in the northern suburbs of Adelaide around 3 a.m. Strong northwesterly winds mixed hot air aloft to the surface. At RAAF Edinburgh, the temperature rose to 107°F (41.7°C) at 3:04 am. Such an event appears to be without known precedent in southern Australia."

 

[LibertyBell]

40 minutes ago, Roger Smith said:

• 1960: A heat burst struck Kopperl, TX, located about 50 miles southwest of Fort Worth from a dying thunderstorm. As the air sank, it warmed to around 140°. When the heat burst struck the ground, winds fanned out at over 75 mph. People had to wrap themselves in wet blankets to protect themselves from the heat. All crops were destroyed by the heat. (Ref. Wilson Wx. History)

If this had been recorded at a weather station it would have been the highest ever verified temperature not only in the U.S.A. but on earth. I wonder what evidence existed for saying it was 140 degrees? 

this *surface temp* thing belongs in a category all its own

 

https://www.science.org/content/article/move-over-death-valley-these-are-two-hottest-spots-earth

Death Valley holds the record for the highest air temperature on the planet: On 10 July 1913, temperatures at the aptly named Furnace Creek area in the California desert reached a blistering 56.7°C (134.1°F). Average summer temperatures, meanwhile, often rise above 45°C (113°F).

But when it comes to surface temperature, two spots have Death Valley beat. A new analysis of high-resolution satellite data finds the Lut Desert in Iran and the Sonoran Desert along the Mexican-U.S. border have recently reached a sizzling 80.8°C (177.4°F).

More than 11,000 World Meteorological Organization manned and automated weather stations measure air temperatures in the shade, in ventilated hutches about 1.5 meters above ground level. But vast swaths of Earth's surface, especially in remote regions, lack these instruments, leaving them out of the record books.

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For the past 2 decades, a pair of Earth-observing satellites equipped with NASA's Moderate Resolution Imaging Spectroradiometer (MODIS)—an instrument that measures everything from ozone levels to phytoplankton abundance—have scanned the entire globe, day in and day out. In areas without cloud cover, MODIS measures the infrared heat emitted by surfaces to take their temperature—essentially, how the soil, dirt, or ice would feel if touched.

Surface temperatures tend to run hotter than the air above, especially on sunny days when surfaces are heated both by air and the Sun's radiant energy. "Think of your car sitting in a parking lot on a summer day and how the handle burns your fingers. Or the sand burning your feet at the beach," says ecologist David Mildrexler of the conservation organization Eastern Oregon Legacy Lands.

In 2011, Mildrexler and his colleagues gleaned from MODIS data that summer temperatures routinely soared above 60°C (140°F) in arid regions, with a high of 70.7°C (159.3°F) in Lut in 2005. Since that study, software improvements have sharpened MODIS's resolution from 5-kilometer pixels to 1-kilometer pixels, bringing even hotter spots into focus. Lut hit its all-time high in 2018, a record the Sonoran, in a weird coincidence, matched the next summer, Yunxia Zhao of the University of California, Irvine, and colleagues report this month in the Bulletin of the American Meteorological Society.

But with its "consistently hot footprint over a large area," says Mildrexler, who was not involved in the present study, "the Lut Desert has really emerged as the hottest place on Earth."

Zhao and her colleagues uncovered other superlatives. The maximum temperature swing in a single day was 81.8°C (147.3°F), from –23.7°C (–10.7°F) to 58.1°C (136.6°F) on 20 July 2006 in China's Qaidam Basin, a crescent-shaped depression hemmed in by mountains on the Tibetan Plateau. And the coldest spot on our planet? No big surprise: Antarctica. But a satellite reading of –110.9°C (–167.6°F) in 2016 is more than 20° chillier than the coldest air temperature recorded in 1983.

It's unclear whether climate change is driving up surface temperatures, Zhao says. But she notes that the Sonoran's highs coincided with La Niña, a climate oscillation featuring cooler surface temperatures in the central Pacific Ocean and drier desert conditions.

Higher temperatures are bad news for desert creatures being pushed to the edge of their heat tolerances. "These extremes are really laying it on the ecosystems," Mildrexler says. On the flip side, he says, the data reveal an impressive cooling effect of forests. Trees tap water with their deep roots and dissipate heat through transpiration, he notes, which cools their canopies and the surrounding air. "That keeps maximum temperatures down and protects biodiversity."

And that offers a lesson for urban planners, Mildrexler says: Greener really is cooler.
 

[Wannabehippie]

1 hour ago, LibertyBell said:

https://community.netweather.tv/topic/69523-heat-bursts/

Sometimes known as heat flashes these are a pretty rare phenomenon. These have been well documented in the US and South Africa and are caused by either by a downburst of air from collapsing thunderstorms or from katabatic downsloping of hot air funneled and focussed through mountain valleys.

There are apocryphal reports of incredible heat bursts temperatures: 188F in Abadan, Iran, 158F near Lisbon, and 152F at Antalya, Turkey. The hottest certified heat burst temperature was 110F recorded at Kimberly, South Africa, during the passage of a thunderstorm.

The temperature rose from from 67F at 2100 to 110F at 2105 and then fell back to 67F by 2145.

Stumbled on this by chance in my archives

A letter by F. B. Parkinson of Madibi Mines in Kimberley South Africa

"At 9pm on the 20th September 1911, a thunder cloud approached from the west, bringing with it a squall of wind that caused the temperature to rise in a few minutes to 110F. By 9.45pm, it had fallen again to 67F which I expect the temperature before the squall. I do not think my thermometer responded quick enough to register the highest point but it is safe to say it rose 40F in 5 minutes."

Here's a recent one which occurred in Adelaide in early 2009:

"On the morning of January 29, an exceptional nocturnal heat event occurred in the northern suburbs of Adelaide around 3 a.m. Strong northwesterly winds mixed hot air aloft to the surface. At RAAF Edinburgh, the temperature rose to 107°F (41.7°C) at 3:04 am. Such an event appears to be without known precedent in southern Australia."

 

Those temperature swings are insane. I am surprised no cattle or humans were killed or seriously injured by a heat burst that raised the temp 40 degrees in 5 minutes. 
I cannot think of any way that a heat burst like that could be predicted.

 

[LibertyBell]

2 minutes ago, Wannabehippie said:

Those temperature swings are insane. I am surprised no cattle or humans were killed or seriously injured by a heat burst that raised the temp 40 degrees in 5 minutes. 
I cannot think of any way that a heat burst like that could be predicted.

 

Yes it's a complete shock and people had to go to storm shelters just like they would for a tornado.

Satan's Storm, what a name!

Burnt cotton fields requires some intense heat.

 

[the_other_guy]

Heat kicked on. This spring…i mean enough already

[nycwinter]

was chilly last night i had had to use a portable heater and will do so again tonight..

[LibertyBell]

21 minutes ago, nycwinter said:

was chilly last night i had had to use a portable heater and will do so again tonight..

Yep I did so too

[Sundog]

1 hour ago, the_other_guy said:

Heat kicked on. This spring…i mean enough already

It happens when your walls are made of tissue paper

[Sundog]

46 minutes ago, nycwinter said:

was chilly last night i had had to use a portable heater and will do so again tonight..

May I suggest you get checked for iron deficiency anemia.  

[LongBeachSurfFreak]

Raining again. Froze at the beach today. Has to be the coldest day at the beach so late in the season I have had it in 27 years of life guarding. It’s that damp east wind. 

[jm1220]

40 minutes ago, LongBeachSurfFreak said:

Raining again. Froze at the beach today. Has to be the coldest day at the beach so late in the season I have had it in 27 years of life guarding. It’s that damp east wind. 

Misery mist city.

[JerseyWx]

1 hour ago, LongBeachSurfFreak said:

Raining again. Froze at the beach today. Has to be the coldest day at the beach so late in the season I have had it in 27 years of life guarding. It’s that damp east wind. 

I will probably be fact checked, but I really can't remember a 3 day stretch (yesterday today and tomorrow) so far into June that stayed in the 60s.

[LongBeachSurfFreak]

47 minutes ago, JerseyWx said:

I will probably be fact checked, but I really can't remember a 3 day stretch (yesterday today and tomorrow) so far into June that stayed in the 60s.

60s would have been nice, right on the ocean it struggled at 59 for most of the day. The cloud deck was so thick there was almost no noticeable warming even in the afternoon. 

[Wxoutlooksblog]

34 minutes ago, LongBeachSurfFreak said:

60s would have been nice, right on the ocean it struggled at 59 for most of the day. The cloud deck was so thick there was almost no noticeable warming even in the afternoon. 

I can remember days in July & August when temperatures stayed in the low 60s and it rained all day. It's not common, but it happens once in a while. 

WX/PT

[gravitylover]

And here it has been dry all weekend other than a few minutes of very light drizzle. Grey and dreary in the 60s, so not summery but not bad. I even had to water some of the garden.