The Weather Outlook

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Jiries
05 August 2023 19:29:54
https://www.bbc.co.uk/news/av/world-europe-66418007 

Now that what a proper storm that brought deep cover hailstones.  A named storm for today really over reacting and just standard boring LP does nothing but rain and winds.

DEW
  • DEW
  • Advanced Member
06 August 2023 07:43:44
https://watchers.news/2023/07/25/new-european-hail-record-set-as-italy-witnesses-second-record-breaking-hailstone-in-less-than-a-week/ 

Just noticed this though from a couple of weeks ago.

The same site has a link to the more recent event of 8" of rain in Slovenia in 10 hours on Friday.


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

scillydave
09 August 2023 21:27:52
Extraordinary devastation being reported from Maui in the Hawaiin Islands tonight.

Looks like wildfires have completcompletely destroyed the town of Lahaina which was home to 20,000 people.


Currently living at roughly 65m asl North of Cowbridge in the Vale of Glamorgan.

Formerly of, Birdlip, highest village in the Cotswolds and snow heaven in winter; Hawkinge in Kent - roof of the South downs and Isles of Scilly, paradise in the UK.

DEW
  • DEW
  • Advanced Member
10 August 2023 06:04:39
See also post in 'Hurricane Season' thread with links
War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Tim A
10 August 2023 09:51:09
Mammoth Lakes finally closed its snow/skiing season this weekend.  Those absolutely incredible snowfall amounts this winter meant it could stay open despite the record heat in that region of the Country. 

Amazing to think you could ski in the morning and then do a 3 hour 30 drive to experience 54c at Death Valley. 


Tim

NW Leeds

187m asl

 My PWS 

DEW
  • DEW
  • Advanced Member
17 August 2023 06:18:48
Another day, another city [Yellowknife]

https://www.bbc.co.uk/news/world-us-canada-66526554 

Canada wildfire: Race to evacuate city as blaze approaches


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Essan
17 August 2023 07:24:04
Hot-tub-like Persian Gulf fuels 158-degree heat index in Iran

https://www.washingtonpost.com/weather/2023/08/09/iran-persian-gulf-extreme-heat/ 

Meanwhile, in the past week, Morocco and Turkey have both recorded 50c for the first time ever


Andy

Evesham, Worcs, Albion - 35m asl

Weather & Earth Science News 

Look in the doubt we've wallowed, look at the leaders we've followed, look at the lies we've swallowed, and I don't want to hear no more

DEW
  • DEW
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17 August 2023 07:45:14
For the ignorant (like me)

The heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature. This has important considerations for the human body's comfort. When the body gets too hot, it begins to perspire or sweat to cool itself off.

More details at 

https://www.weather.gov/ama/heatindex#:~:text=The%20heat%20index%2C%20also%20known,sweat%20to%20cool%20itself%20off 

 


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Jiries
17 August 2023 18:08:37
Some record broken in Cyyprus few days ago mainly the mountians copped all the heat and record high night time mimimums.  On Monday wwas 25.2 to 45.3C in Nicosia but no record broken as the highest for July was 45.6C.   Troodos saw amazing 29.5c minimum at night to 38.4C during the day, borh broke the records from 25.6C and 38.2C respectively.  The heatwave was supposed to carry on on Tue and yesterday but some clouds, high humidtity and west winds cut off but today went back to 41.5C.

At first I couldn't believe my eyes when i saw the apps showing all day rain in Death Valley this coming Sunday with max only 30C and 27C at night.  I checked on BBC forecast and same thing also so that a major storm in August?  I never seen Death Valley drop to 30C at day time in August. I think 37C was the lowest max.  I wonder if the E Nino are the cause for major all day rain event there instead of showers that normally hit and miss type.  Very interesting to observe the rain and how low the max be like in furnace August month, ,plus flash floods likely.

GezM
  • GezM
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17 August 2023 22:41:12
Looks like Hurricane Hilary is the cause of the rain forecast for Death Valley as it moves north from Baja California. Not guaranteed though as the track of the storm could still deviate. 
Living in St Albans, Herts (116m asl)

Working at Luton Airport, Beds (160m asl)

Jiries
18 August 2023 06:45:12

Looks like Hurricane Hilary is the cause of the rain forecast for Death Valley as it moves north from Baja California. Not guaranteed though as the track of the storm could still deviate. 

Originally Posted by: GezM 

Look like a upgraded to prolonged the rain in Death Valley from 1 day to 3 days, with Saturday get some rain or thunder at 38% with all day rain on Sun and Monday with maxes of 28C and 31C respectively.  Very strange to hear a hurricane Hilary make a impact in California instead of typical Florida keys.  I am sure people and animals will be very blessed with a welcome break of cool and rainy weather.  

lanky
18 August 2023 07:29:52

Look like a upgraded to prolonged the rain in Death Valley from 1 day to 3 days, with Saturday get some rain or thunder at 38% with all day rain on Sun and Monday with maxes of 28C and 31C respectively.  Very strange to hear a hurricane Hilary make a impact in California instead of typical Florida keys.  I am sure people and animals will be very blessed with a welcome break of cool and rainy weather.  

Originally Posted by: Jiries 

I'm sure that they have a "Summer Monsoon" in the "desert" South West at this time of year on a fairly regular basis.

For those old enough to remember the original CSI series, they had episodes where it was pouring with rain in  Vegas


Martin

Richmond, Surrey

Jiries
18 August 2023 07:36:09

I'm sure that they have a "Summer Monsoon" in the "desert" South West at this time of year on a fairly regular basis.

For those old enough to remember the original CSI series, they had episodes where it was pouring with rain in  Vegas

Originally Posted by: lanky 

Yes it does happen in summer but normally in a form of showers or thunderstorms so temps still go to highs 30's or 40's.  I only see lowest 37C in August for Death Valley when it had rain showers and some clouds.  This time round seem very overcast and rainy all day to see such low maxes of 28C on Sunday, that 18C below average for 46C in Death Valley.  Very interesting to watch this weekend while here very boring dead summer continues.

doctormog
18 August 2023 07:43:25

I'm sure that they have a "Summer Monsoon" in the "desert" South West at this time of year on a fairly regular basis.

For those old enough to remember the original CSI series, they had episodes where it was pouring with rain in  Vegas

Originally Posted by: lanky 

The NOAA have an interesting article  about this from a couple of years ago.


DEW
  • DEW
  • Advanced Member
18 August 2023 08:58:39
Kristen Corbosiero, who is now an associate professor of meteorology at the University at Albany, State University of New York, led a 2009 study that examined 35 Eastern Pacific tropical storms or hurricanes that brought significant rainfall to the southwestern United States from 1958 to 2003. These systems represented less than 10% of all of the Eastern Pacific’s named storms during that time, but they accounted for more than 20% of all the warm-season precipitation falling in southern California and northern Baja California. Of these 35 systems, only five affected the U.S. as early as Aug. 21, and most were in September, so the arrival of Hilary’s impacts on or around Monday would be an early outlier.

From https://yaleclimateconnections.org/2023/08/rapidly-intensifying-hurricane-hilary-heads-toward-southern-california/ 


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Jiries
18 August 2023 20:30:59
https://www.bbc.co.uk/news/world-us-canada-66499946 

Very interesting read and never had this major storm hitting California for over 80 years. so exciting observation for me to see how much rain and very cool maxes reached over Death Valley in August.  I been recording Death Valley since early 2000 and highest rain was over 1 inch but never several inches in a day so that storm might deliver it.

DEW
  • DEW
  • Advanced Member
18 August 2023 20:43:26

https://www.bbc.co.uk/news/world-us-canada-66499946 

Very interesting read and never had this major storm hitting California for over 80 years. so exciting observation for me to see how much rain and very cool maxes reached over Death Valley in August.  I been recording Death Valley since early 2000 and highest rain was over 1 inch but never several inches in a day so that storm might deliver it.

Originally Posted by: Jiries 

The National Blend of Models (NBM) is forecasting 3.79" of rain for Death Valley, California, over a 3-day period. None of the climate stations in Death Valley National Park have ever recorded even 50% of that amount in a 3-day period in over a century of records.

https://yaleclimateconnections.org/2023/08/californias-first-tropical-storm-watch-on-record-as-hurricane-hilary-heads-for-baja/ 

 


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Jiries
19 August 2023 05:07:18

The National Blend of Models (NBM) is forecasting 3.79" of rain for Death Valley, California, over a 3-day period. None of the climate stations in Death Valley National Park have ever recorded even 50% of that amount in a 3-day period in over a century of records.

https://yaleclimateconnections.org/2023/08/californias-first-tropical-storm-watch-on-record-as-hurricane-hilary-heads-for-baja/ 

 

Originally Posted by: DEW 

Most rain events always break up to light rain when entering valley regions even in winter then reform more as it move east.  Hilary storm are very strong and will penetrate the valley regions.  This morning app show 26C max and 100% rainfall risk.  Today max will drop to 38C with rain and thunderstorms arriving.  Exciting time and once in our life time event to see this. 

Ulric
19 August 2023 20:49:44
The heat in the Med has triggered fires in Tenerife.

https://www.france24.com/en/europe/20230819-thousands-ordered-to-flee-as-heat-wind-stoke-fire-on-spain-s-tenerife-island 

 


Solar is only worth it if your roof has toenail fungus.
DEW
  • DEW
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19 August 2023 20:59:23
“The 00z Canadian Regional shows local amounts of towards 10”, which would be exceeding rare for the region from a tropical cyclone, potentially unique for Nevada…Some locations within this arid region are slated to get 1-2 years worth of rain in one day. If a 7″+ maximum materialized over Mount Charleston Sunday into early Monday, it would challenge Nevada’s 24 hour rainfall record, set in 2004….Debris flows and rock slides are a given considering the volume of rainfall expected. The overall combination of effects could block and undermine roads, particularly sensitive areas such as sections of U.S. 50 in NV. Towns could get cut off.

US National Weather Service prediction.


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

DEW
  • DEW
  • Advanced Member
19 August 2023 20:59:24
“The 00z Canadian Regional shows local amounts of towards 10”, which would be exceeding rare for the region from a tropical cyclone, potentially unique for Nevada…Some locations within this arid region are slated to get 1-2 years worth of rain in one day. If a 7″+ maximum materialized over Mount Charleston Sunday into early Monday, it would challenge Nevada’s 24 hour rainfall record, set in 2004….Debris flows and rock slides are a given considering the volume of rainfall expected. The overall combination of effects could block and undermine roads, particularly sensitive areas such as sections of U.S. 50 in NV. Towns could get cut off.

US National Weather Service prediction.


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Jiries
20 August 2023 16:22:40
Heavy rain in Death Valley and currently rising to 0.39 IN from 0.11 IN a hour ago.  Very cool temps at 23C but they do midnight to midnight reset temps so today max would be 29.4C 85F just after midnight, cannot be max at 23C or 24C but will classed as minimum instead which so far 22C the lowest so far.  If drop to 19C that would be considered coolest or even cold record for Death Valley, not sure if 19C ever reached in August as they only appear from late October onward to Spring for night time minimums. 
doctormog
20 August 2023 16:31:46

Heavy rain in Death Valley and currently rising to 0.39 IN from 0.11 IN a hour ago.  Very cool temps at 23C but they do midnight to midnight reset temps so today max would be 29.4C 85F just after midnight, cannot be max at 23C or 24C but will classed as minimum instead which so far 22C the lowest so far.  If drop to 19C that would be considered coolest or even cold record for Death Valley, not sure if 19C ever reached in August as they only appear from late October onward to Spring for night time minimums. 

Originally Posted by: Jiries 

The Death Valley August lowest minimum is 18°C (and the September minimum is 5°C).

 


Saint Snow
20 August 2023 17:11:12
Oooh, winds of 70mph and a bit of rain 

Four Horsemen stuff, that 😏

FFS, the news these days; getting increasingly hysterical to chase 'clicks'.

 


Martin

Home: St Helens (26m asl) Work: Manchester (75m asl)

A TWO addict since 14/12/01

"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."

Aneurin Bevan

DEW
  • DEW
  • Advanced Member
20 August 2023 17:17:46

Oooh, winds of 70mph and a bit of rain 

Four Horsemen stuff, that 😏

FFS, the news these days; getting increasingly hysterical to chase 'clicks'.

 

Originally Posted by: Saint Snow 

In Las Vegas, the storm total from Saturday to Monday could challenge the city’s all-time three-day rainfall record of 2.59 inches on Aug. 20-22, 1957. [Eye on the Storm site]

oo-er! But to be fair there's no vegetation to trap the rain, so it will run off as flash floods plus the occasional mudslide.


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

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