WEATHER / CLIMATE
2,104 topics in this forum
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This thread is created with the intent to share links to research and other resources that assist in quantifying the amount of change to a location's low temperatures due to urbanization and development. If you come across any good reads, please share. Climate Central had some interesting content related to the Urban Heat Island (UHI) effect: Summer in the City - Click a city and see the summer temperature difference: https://www.climatecentral.org/wgts/UHI/index.html Top 20 Urban Heat Islands Report (also attached in case it is moved in the future): https://medialibrary.climatecentral.org/uploads/general/2021_UHI_Report.pdf New Analysis (July 14th, 2…
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California drought returns
by DoomsDave- 11 replies
- 804 views
According to the map via the link, LA and Ventura counties are in in a "Severe Drought" while OC is "only" "Moderate" at this point. State Drought Monitor | United States Drought Monitor (unl.edu)
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My average monthly Temps and Humidity
by Paradise Found- 2 replies
- 486 views
I'm in a warm 8a, and I think these graphs are pretty close but some of the winter low's look more like the airport. Found this information at World Atlas. Post your own if you like. Showing Temps/humidity.
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We’ve had a bit of rain. 1 2
by Tyrone- 43 replies
- 1.3k views
This year has been a wet one so far with about 2.5 times the rainfall we had this time last year. On Monday morning my area saw about 55mm of rain fall in 3.5hrs. This made the stream into my property start to flow and all my ponds and dams fill right up and flow into the river nearby. So far at the beginning of May we’ve had our average rainfall to the end of May. I took a few pics.
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Need better way than hardiness zone to compare palm viability in different areas
by DreaminAboutPalms- 2 replies
- 410 views
There was to be a better way than hardiness zones to determine which palms are suitable in an area. I think what would make more sense is categorizing places by number of hours annually in each temperature range and also having a multiplier for average humidity, etc. For example: 1.5 * (Hours between 15 and 20 degrees) 1.25 * (Hours between 20 and 25) and so forth. Cities/regions get a score. The reason why is that you could have a 9B climate that averages a high of 39 and low of 28 in winter but is protected by mountains and never drops below that hardly. At the same time take a place like Texas where average lows in January are around 40 but yo…
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Winter in the subtropics of South America
by Sabal_Louisiana- 0 replies
- 475 views
Of the the three major humid subtropical regions of the World: The southeastern United States East Asia (central and southern China, southern Japan, etc) The Pampas of South America (northern Argentina, far southern Brazil, Paraguay, and Uruguay) The last one listed is the least affected by severe cold waves and is also favored biologically since it is contiguous with the Neotropics. Even so, I am mildly surprised that the subtropical latitudes of South America are not immune to moderately low temperatures, even brief freezes. For instance, at the end of June 2021, a cold snap brought temperatures down to 0.8C at Asuncion and -1 at the airpor…
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How Seasons are Predicted (A Potential Project)
by ColumbusPalm- 4 replies
- 408 views
So I am very fascinated by weather/climate predictions. The change in ocean temperatures and how it relates to air flow and seasonal heat and cold based on geography. There is a lot out there that people put out with predictions based on how the month by month trends are happening with the ocean tilting towards El Niño, La Niña or neutral conditions and how that may effect the upcoming summer or winter... What I would love to see is someone who has analyzed the data of these events every 1,2,5,10,20 year etc. periods to see if there is an identifiable trend to more accurately predict an upcoming season, or if weather is truly unpredictable no matter what climate is doing.…
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Where is the Rainy Season (Florida)? 1 2
by chinandega81- 2 followers
- 73 replies
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I can't remember a dry and cool May...much less late May...in South Florid. Highs have been in the low 80s the past 10 days, with low humidy and of course, no rain other than a few random sprinkles just enough to get the car messy. Even the ocean temps are below average, with all this wind as of late. Does anyone look at the models and that can tell me if and when they are showing and increase in moisture for Florida? I don't see anything on the local 10 day forecast....it seems like we are stuck in a lovely, early Spring pattern which is great however, my tropicals want and need humidity and rain!!
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Climate Navarre beach
by Tropicdoc- 5 replies
- 402 views
Anybody on here know what kind of lows Navarre beach gets? Is there any benefit to all of the water?
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Heating up in Phoenix,Arizona!
by aztropic- 0 replies
- 344 views
Everybody knows the western US deserts are hot over the summer. You may not have known just HOW hot they really are... Still,we are somehow able to grow palms in these oven temps! Plants really DO adapt. aztropic Mesa,Arizona
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Potentially record-breaking heat in store for San Diego
by GottmitAlex- 1 follower
- 18 replies
- 650 views
https://fox5sandiego.com/fox-5-news-now/news-now-potentially-record-breaking-heat-in-store-for-san-diego/
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Using annual minimums from 1997-2021, the average annual minimum for College Station was 21.92 degrees. That puts us well into hardiness zone 9a! I'm so happy. 1997: 23 (9a) 1998: 24 (9a) 1999: 24 (9a) 2000: 19 (8b) 2001: 24 (9a) 2002: 17 (8b) 2003: 24 (9a) 2004: 25 (9a/9b) 2005: 24 (9a) 2006: 26 (9b) 2007: 21 (9a) 2008: 25 (9a/9b) 2009: 24 (9a) 2010: 18 (8b) 2011: 19 (8b) 2012: 28 (9b) 2013: 28 (9b) 2014: 19 (8b) 2015: 22 (9a) 2016: 22 (9a) 2017: 17 (8b) 2018: 15 (8a/8b) 2019: 26 (9b) 2020: 29 (9b) 2021: 5 (7a/7b) I finally decided it was time…
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Where will climate be in another 10 years?
by ColumbusPalm- 15 replies
- 871 views
I am not all trying to be political about this, just wanted to open this if anyone has any predictions they wanted to share. When I was in high school over 10 years ago, I overwintered a Trachy in, at the time, a zone 5b. Now that same area in NW OH is a z6b. Crazy in my lifetime seeing the USDA zone map change like that. Even in Dave Francko’s book, the old USDA map is in there. Makes me think growing the truly hardy palms in this area may be a challenge now, but very rewarding in a decade. What do you all think?
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Up here along the northern Gulf Coast, ive been getting waves of soaking rain, temperatures in the upper 70's to low 80's for highs since March. Well, looking at models that will probably change this weekend going into next week. So here is the situation, a ridge of high pressure is expected to set up over the Southeast US, this will bring on the Summer heat for everyone in the SE, and possibly higher than normal summer time heat. Most of the models that i can view that go out into next week are currently showing an 8+ day heat event, with temperatures from South Florida to the Carolinas reaching the triple digits. The 12z run of the GFS even showed 107F west of Jacksonvi…
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New Record For April.
by Paradise Found- 1 follower
- 28 replies
- 1.1k views
So far this year we've have had more full sunny days this April than all of last year. We are finally going to get some rain this weekend and beyond with temps going below average due to rain. House plants are all ready out side which is the earliest I have done that. Should break a record by the end of the year for the most full sunny days. 2021 is looking good for the PNW.
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Early summers is almost there!
by EastCanadaTropicals- 1 reply
- 339 views
Hello fellow palmtalkers, I checked the morning forecast now, and It was 17c, I went outside, and it was pretty warm.
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- 1 follower
- 20 replies
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I thought it was time for Texas to have a new hardiness zone map, so I made one myself. Data is from 1992-2021 NOAA minimums. *Not completely accurate, but I hope you like it and maybe consider using it (thank you) in the future.
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Eastern Pacific Hurricane season 2021, A record early start
by Silas_Sancona- 0 replies
- 275 views
While still a few days shy of the "official " start of this years Hurricane season ( May 15th ) Appears things are already getting going southwest of Mexico. While a minimal Tropical Storm, Andres marks the earliest a named system has formed here. Second earliest would be back in 2017 on May 10th. https://www.msn.com/en-us/weather/topstories/tropical-storm-andres-earliest-tropical-storm-on-record-develops-in-the-eastern-pacific/ar-BB1gx34n Doesn't appear this system will hang around very long, and won't bring any moisture north of the border, except maybe across parts of southern Texas later on. Hopefully a sign of things to come and some drought relief later.…
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Hottest & Driest Places in FL
by ahosey01- 2 followers
- 31 replies
- 3.7k views
Curious the hottest (not warmest) places in FL, and also the driest. All available climate maps and info I can find are a.) climate classifications - tropical savannah, tropical wet & dry, etc. - or b.) USDA zone maps. Anybody know the answer to these questions? My thought would be somewhere far south and also inland.
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On this day in 2011, 62 tornadoes struck the state of Alabama. 252 people died in the state of Alabama that day. I do not remember anything personally from that day as i was still quite young at the time, but looking back at this event, it scares me to think that something like this will happen again. The big question is, where will it happen? Here is a video, that i recommend you watch, from James Spann himself. Never forget this day, never forget the people who died, never forget the families that are still feeling the impact TO THIS DAY. The impact doesnt just last for a few years, it lasts a lifetime.
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NOAA - New Climate Normals are out
by ColdBonsai- 1 follower
- 6 replies
- 482 views
https://www.ncei.noaa.gov/access/us-climate-normals/ Enjoy. Doesn't look too different for my location. Although my avereage winter lows have increased a couple of degrees. Avereage winter temp has also increased to about 34 degrees. Isn't 36 considered the standard to grow trachycarpus reliably? Anyways, fun to look at.
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The Northern Australian Monsoon 2020 - 2021. 1 2
by greysrigging- 78 replies
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She's IN ! At home just now ! The squally showers have done the old 180* turn around streaming in from the Timor Sea to the north west and the Arafura Sea to the north. The true indication of our Monsoon season. About a week or 10 days earlier than normal onset, although perhaps a bit later than in a general La Nina year. which might be mid December. So no excuses now for foolish behaviour, tom foolery, poor decision making, excessive alcohol consumption, and being a bit of a goose.... the 'build up' is done and dusted, mango season is finished, so no more 'mango madness', no more telling the Judge, "sorry Your Honour, but fair dinkum mate, this 'build up' had been a…
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climate change making me sad but happy
by climate change virginia- 1 follower
- 23 replies
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is it just me or do any people who live in colder climates hate climate change but like it at the same time. I mean I hate how its killing polar bears but I like mild winters I live in zone 7b and last winter was a zone 9a winter and most of my winters are zone 8a and every other winter is a zone 8b winter. I would like to hear your thoughts on this.
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sabal pametto Sabal palmetto new growth anomaly
by robert Lauriault- 1 reply
- 471 views
I have a cabbage palm, eight feet of clear trunk, approximately twenty-five years old from a natural seeding, growing immediately adjacent to the front porch of my log cabin built on block pilings in 1985. This winter and spring the tree began producing new growth abnormally. Instead of growing fronds on the usual extended petioles, all the new fronds are clustered tightly together as one sees on newly transplanted cabbage palms in full sun (my tree is in 60 percent shade under deciduous bald cypress). The only events that I can imagine that could have had any impact on the tree are (1) my roofer made some minor repairs to my porch roof and cut off the fronds that were …