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We’ve talked about UHI being a nontrivial portion of Phoenix’s warming. I’ve brought it up, myself. But, note as you may already realize that the UHI affects the warming of lows more than the warming of highs.

RIP Roger. So sad.

It’ll be close to 20 degrees above normal Monday through Wednesday. Freezing rain at 45? No way.

42 years ago today, one of the nastiest March blizzards occurred. Actually it was a 3 day event for the country. Storm (all STJ-driven) set pressure records for the month from the Desert SW to the SEUS/Mid-Atlantic. On 3/27 ahead of the low, Cotulla TX hit 108 F for to tie the highest temp in March for the U.S. (first set in 1954). Brownsville hit 106 F for not only its all-time record high March temp, but also all-time for any month. On 3/28, the worst tor outbreak for NC/SC occurred (57 fatalities). A single supercell long-tracked supercell produced 7 F4 tors, the most violent tors from a single storm, and it acted a lot like the Tri-State Tor from March 1925. Supercell was very close to the synoptic-scale low pressure that was sub-980 mb - that's really deep over land that far S. This storm produced 16 tors total w/ 3 F2 and 3 F3. The 13 F2+ tors I think is record for most F2+ tors from a single storm. One tor in SC was 2.5 mi wide at one point, which was the record width until 2013. On 3/29, the sfc low deepened to 963 mb E of the Delmarva and produced a blizzard (paste bomb) in New England w/ among the largest power outages/ worst tree damage on record for a winter storm for southern New England (worst power outage for MA since the 1965 E Coast blackout). 17" at ORH. MQE gusted to 108 mph, its highest gust since Donna in 1960 and nothing has matched that since. TS+ was widespread and legit microburst occurred in Southborough MA during the blizzard, flattening an area of trees. How crazy is that? I know of no other documented case like this. I recall it well. Doing my paper route that morning, it was the first time I saw a morning rainbow (not your typical pre-snowstorm sky, very convective-looking). Rain starting almost immediately turned to snow while on my route. Of course, school was not cancelled and the didn't even send us home early, despite blizzard conditions by late morning. March 1984 had a another biggie for interior sections mid-month w/ CAR getting 28.6" in 24 hr, by far it greatest 24 hr total on record. I attached a snowfall map. Something about those hand-drawn snowfall count maps that look so cool!

Hey @Stormchaserchuck1any thoughts about this? Fairbanks is progged to have its coldest DJFM on record with it ~-13.1F! The current coldest DJFM: 1965-6: -12.9F El Niño 1970-1: -11.6F La Niña 1933-4: -11.1F La Niña 1917-8: -10.6F La Niña By a margin of 2F, they’re progged to have their coldest March on record at ~-8.6F! Link to data that allowed me to calculate this out: https://www.weather.gov/wrh/Climate?wfo=afg

They forecast based on population weighted because their forecasts are for the purpose of forecasting AC usage as opposed to what you look at, which isn’t pop weighted. Does that relate to your post?

Followup: Fairbanks is progged to have its coldest DJFM on record with it ~-13.1F! The current coldest DJFM: 1965-6: -12.9F El Niño 1970-1: -11.6F La Niña 1933-4: -11.1F La Niña 1917-8: -10.6F La Niña By a margin of 2F, they’re progged to have their coldest March on record at ~-8.6F! Link to data that allowed me to calculate this out: https://www.weather.gov/wrh/Climate?wfo=afg

We grow them in Connecticut. You just want to wrap them up in the winter time to protect them

Interesting. He says another warm summer but then explicitly predicts the 2nd coldest summer since 2019, and only slightly warmer than 2023. Especially if the heat is out west as he suggests, I think most people will consider that to be one of the coldest summers in recent memory.

Sweet mother of God. It just won't end... Wednesday Night Rain showers likely before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. Thursday A chance of rain and snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 47. Chance of precipitation is 50%. Thursday Night Rain showers, snow showers, and freezing rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. Friday Rain showers, snow showers, and freezing rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

I plan to get it! Ive done it with my backyard before, and it's really cool, but sometimes when theres too many details (esp my conifers grow so much each year)...sometimes a simpler, wider landscape is the best choice.

I’m not discounting this event is highly influenced by climate change, but in regards to Pheonix at least some of the temp increase is related to the UHI. I don’t see any reference to that in the data provided. Pheonix pre 1970s isn’t comparable to today. .

Give it a bit and you’ll be able to grow oranges and lemons.

This is fucking cool we do indeed need all four seasons

Need the whole 4 season sequence now

Hopefully we go the 02-03 route instead of a 15-16 redux.

After yesterday’s KSAV record tying high of 89, today’s was only 69, which was just after midnight. It stayed in the 60s through the afternoon along with some clouds much of the day, breezy NE winds, and dewpoints mainly upper 30s to 40 making for a pleasant walk. It’s now down to 56. Tonight’s low is forecasted to be in the upper 40s.

1. How about this? Phoenix had its coolest high in 11 days by a good margin (96) and yet it was still another record high, the 14th of this month! 2. Believe it or not, the next two days’ record highs of 97 are forecasted to be close to being hit. So, two more daily record highs are possible! 3. The morning low was 75. IF it doesn’t cool down to 74 by midnight local time, it would be not only a new record high low for today, it would become the new monthly record high low and the earliest 75 low by far with the current earliest being way out on April 19th! The current record for the day and month is 74, set way back in 1986.

Sunny cold day today. Went to the park and took a pic of a field because i thought this was a cool winter/spring contrast pic.

High of 55, low of 46. 42 degree temp difference between high of yesterday and this mornings low. Picked up .14" this morning. Helped to bring pollen counts down a bit but did nothing for the drought.

They did. ILL!

Agreed. We missed the last storm, which prevented many from exceeding climo snowfall. But we had several decent cold waves and the first warning level snowfall for many in several years.

Classic CNE spring frustration next week