Nostr notes by Bill Witte

Seems if you had a spatial data set it’d be less damaging to ...

2026-05-14T06:46:07Z

In reply to nevent1q…rngr
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Seems if you had a spatial data set it’d be less damaging to lose a couple interior points.

Does the change in surface albedo and re-radiation significantly ...

2026-05-14T00:56:41Z

In reply to nevent1q…q3ua
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Does the change in surface albedo and re-radiation significantly push the atmosphere to more convection? And more showers/T-showers?

Time to watch out for grass fires in the interior.

2026-05-09T07:41:16Z

In reply to nevent1q…6fj4
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Time to watch out for grass fires in the interior.

And very glad that Carol and Ray are keeping your Kera2 station ...

2026-05-06T20:07:35Z

In reply to nevent1q…2wgt
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And very glad that Carol and Ray are keeping your Kera2 station going. That’s a very cool record, in a world where continuous records are less valued but more important.

It’s not over. Overnight low of 30°F allowed ~1/4” ...

2026-05-06T19:51:11Z

It’s not over. Overnight low of 30°F allowed ~1/4” accumulation of snow on cool surfaces on Keystone Ridge (~1650ft MSL). Photos compare snowpack on 4/21/26 and 5/6/26. The relentless snowpack melt continues though there’s always hope for an always welcomed June snow. #MyAlaskaWx

The final decline in snow depth is so rapid. Like Hemingway ...

2026-05-03T07:15:39Z

In reply to nevent1q…vlkc
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The final decline in snow depth is so rapid. Like Hemingway describing how bankruptcy occurs: gradually and then suddenly.

Well, this is a surprising little snow squall. Moderate to heavy ...

2026-02-04T05:36:39Z

Well, this is a surprising little snow squall. Moderate to heavy snow, about 1” to 1 1/2” accumulation so far with gusts up to 26 mph and 10°F on Keystone Ridge at 8:30pm. Forecast kept calling for less snow and I wondered if we’d get any at all… #MyAlaskaWx

Could you do this with MODIS surface temp comparing valleys and ...

2026-02-04T00:02:14Z

In reply to nevent1q…wd65
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Could you do this with MODIS surface temp comparing valleys and highland ridges? (Depending on how far back MMODUS goes and how far forward the data is available).

Is there a metric for days of inversion or depth of inversion? ...

2026-02-03T20:02:02Z

In reply to nevent1q…2nr7
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Is there a metric for days of inversion or depth of inversion? How long have soundings been taken at Fairbanks?

It’s a good day for Fata Morgana as density variations of the ...

2026-01-24T23:07:14Z

It’s a good day for Fata Morgana as density variations of the cold stratified air around Fairbanks distort Mts on the horizon. #myalaskawx #mirage #FataMorgana

Max for today. (I rounded up). Probably gettin some from below ...

2026-01-22T22:50:38Z

In reply to nevent1q…7anm
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Max for today. (I rounded up). Probably gettin some from below horizontal via reflection, I’ll take it - a watt’s a watt.

Yes, very sunny, and clear. Sun only 6° above horizon today at ...

2026-01-22T22:27:29Z

In reply to nevent1q…ryfs
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Yes, very sunny, and clear. Sun only 6° above horizon today at 1:30pm local.

A potent slug of cold air flowing up Goldstream Creek from the ...

2026-01-16T23:44:17Z

A potent slug of cold air flowing up Goldstream Creek from the west in the last 30 minutes dropping temperatures about 1°F/minute and bringing in dense valley fog. Rick Thoman (npub1ygf…tutr) #myalaskawx

🎂

2026-01-13T19:29:50Z

In reply to nevent1q…x2zg
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🎂

🤔 What conditions favor this? Persistent low interior AK ...

2026-01-12T17:34:53Z

In reply to nevent1q…8qu0
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🤔 What conditions favor this? Persistent low interior AK temperatures usually need stable high pressure and clear skies, but that blocks storms from the interior. How’d the moisture find its way in? But I’m loving the fluffy powdery snow we have been getting. Beats “concrete from the sky” any day.

12°F, light SE wind and heavy to moderate snow on Keystone ...

2026-01-11T17:59:43Z

12°F, light SE wind and heavy to moderate snow on Keystone Ridge, about 10” storm total so far. On radar it looks like a snow river shooting up the Nenana Canyon. #MyAlaskaWx

Similarly for Keystone Ridge with the exception of Christmas Eve ...

2026-01-10T23:57:25Z

In reply to nevent1q…6f00
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Similarly for Keystone Ridge with the exception of Christmas Eve 2025 when we got up to 4°F.

Speaking of wildlife we had a report from a reputable observer of ...

2026-01-09T17:26:35Z

In reply to nevent1q…jc05
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Speaking of wildlife we had a report from a reputable observer of a “winter bear” (a black bear) up and foraging on Dec 28, near Sherman and Abraham Rd.

How’s the snowpack doing? Only 16” yesterday on Keystone ...

2026-01-09T17:21:18Z

In reply to nevent1q…jc05
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How’s the snowpack doing? Only 16” yesterday on Keystone Ridge. Deep cold plus thin snowpack doesn’t bode well for buried pipes (or hibernating wildlife). AKDOT temperature depth probe (TPS) data shows (literally) deep cold. Below shows temperature (°F) vs. Depth (surface to 72 inch) from the Parks Hwy at the Chena River. Subsurface is frozen with a relatively low conductivity-full effect won’t be seen until May/June.

Warmer in the valleys this morning.

2026-01-07T15:58:11Z

In reply to nevent1q…2rza
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Warmer in the valleys this morning.

Sullivan and Begich are actively trying to forget. Tried to call ...

2026-01-06T19:05:13Z

In reply to nevent1q…kcw7
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Sullivan and Begich are actively trying to forget. Tried to call AK Congress reps to remind them of their failures to respond to the insurrection and both Begich and Sullivan constituent phone lines had been suspended. Murkowski’s was working.

Light fine snow, 0.5-2mm columnar crystals, with about 3/4” ...

2026-01-06T16:52:48Z

Light fine snow, 0.5-2mm columnar crystals, with about 3/4” accumulation since late afternoon yesterday. Thin overcast with a faint waning gibbous moon at 7:30am and -8°F with a light north breeze. #myalaskawx

Nice!

2026-01-05T19:50:00Z

In reply to nevent1q…t7jn
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Nice!

We’re enjoying a full moon up all day and night spinning around ...

2026-01-03T16:16:26Z

We’re enjoying a full moon up all day and night spinning around the horizon taking a similar route as the summer midnight sun.

Reality test for us folks in the cheap seats: Is the December ...

2026-01-03T07:01:43Z

In reply to nevent1q…x62x
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Reality test for us folks in the cheap seats: Is the December Average the arithmetic average of 31 averages of the daily high and daily low?

Looks like most recent top-ten-coldest was 1999? Last century.

2026-01-02T21:57:54Z

In reply to nevent1q…anty
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Looks like most recent top-ten-coldest was 1999? Last century.

Wow, dedicated observer.

2026-01-01T08:41:46Z

In reply to nevent1q…2c6c
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Wow, dedicated observer.

Thanks. Went to town and cold air was still pooled into -30°F ...

2025-12-30T23:38:26Z

In reply to nevent1q…cwmk
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Thanks. Went to town and cold air was still pooled into -30°F discrete blobs in Spinach, Moose, and Goldstream Creeks - town was warmer and hardly foggy at all.

Dark cloud bank has settled south of Fbks during the last couple ...

2025-12-30T22:33:58Z

Dark cloud bank has settled south of Fbks during the last couple days. Sun pops over the very sharp top for about 30 min at solar noon. Tops are considerably higher than hills (~5000ft?) Is there a higher thermal layer? Rick Thoman (npub1ygf…tutr)

on the other hand, St Louis MO, record high 78°F (which will ...

2025-12-28T23:27:44Z

In reply to nevent1q…6lhe
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on the other hand, St Louis MO, record high 78°F (which will change shortly).

Waxing (8%) crescent moon over the Alaska Range. ...

2025-12-23T01:06:30Z

Waxing (8%) crescent moon over the Alaska Range.

Sunrise Solstice 2025. Sharpness of the Alaska Range is ...

2025-12-21T22:12:43Z

In reply to nevent1q…2t5j
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Sunrise Solstice 2025. Sharpness of the Alaska Range is surprising.

With an unsurprising increase in pm2.5 variance on purple ...

2025-12-21T18:44:43Z

In reply to nevent1q…sfrv
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With an unsurprising increase in pm2.5 variance on purple air.com. Valley stations generally record higher values due to stratified, unmixed air. My station records the timing on fires in our masonry heater.

The blind man and the elephant.

2025-12-19T20:50:25Z

In reply to nevent1q…kdpr
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The blind man and the elephant.

Scientific truth is intolerable because it shows no loyalty to ...

2025-12-17T17:50:43Z

In reply to nevent1q…4fny
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Scientific truth is intolerable because it shows no loyalty to the autocrat. Beyond disasters caused by Rumsfeldian unknown unknowns are the disasters born from intentional “don’t wanna know” unknowns.

Hazy ice crystal mist all day.

2025-12-17T02:48:40Z

In reply to nevent1q…0s7x
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Hazy ice crystal mist all day.

Fbks inversion is weak over the local hills - why’s that?

2025-12-17T02:47:15Z

In reply to nevent1q…k0gk
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Fbks inversion is weak over the local hills - why’s that?

There is often a noticeable 5-10°F gradient in still air between ...

2025-12-15T19:12:07Z

In reply to nevent1q…9d0y
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There is often a noticeable 5-10°F gradient in still air between ground level and the thermometer at 20ft above the ground. I’ve also felt micro-pockets (say 100 yard diameter) of cold air floating around in valleys.

Goldstream Creek not far behind tonight.

2025-12-11T09:15:39Z

In reply to nevent1q…eesn
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Goldstream Creek not far behind tonight.

Wind has calmed down on Keystone Ridge and temp is rising, might ...

2025-12-08T21:25:11Z

Wind has calmed down on Keystone Ridge and temp is rising, might break zero degrees F as the air column restratifies - just like salad dressing bottle if you stop shaking it. Enjoying near horizontal yellow sunshine and clear skies this solar noon. #myalaskawx

We’re inviting all the St Lawrencians to the Golden Heart City ...

2025-12-07T22:03:23Z

In reply to nevent1q…zlad
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We’re inviting all the St Lawrencians to the Golden Heart City for the SPF.

With our recent winds the trees are similarly bare of snow now.

2025-12-07T20:22:36Z

In reply to nevent1q…hek0
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With our recent winds the trees are similarly bare of snow now.

Holy tie-down Batman! Keeping light aircraft safe in that wind ...

2025-12-07T20:19:42Z

In reply to nevent1q…k00k
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Holy tie-down Batman! Keeping light aircraft safe in that wind will be a challenge.

Related? Has NWS recovered from DOGE yet in AK? ...

2025-12-06T17:56:39Z

In reply to nevent1q…742v
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Related? Has NWS recovered from DOGE yet in AK? https://wapo.st/48mGeZ1 #WarOnScience

Noisy overnight wind from the northeast on Keystone Ridge kept ...

2025-12-06T17:32:54Z

In reply to nevent1q…46cw
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Noisy overnight wind from the northeast on Keystone Ridge kept the temp above -10°F while not sacrificing the wintry vibe.

In Kelvins it’s only about a 4% error.

2025-12-05T23:54:51Z

In reply to nevent1q…742v
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In Kelvins it’s only about a 4% error.

Stratified cold calm air in Goldstream Valley. Not quite ...

2025-12-05T18:15:26Z

Stratified cold calm air in Goldstream Valley. Not quite “…locked tight as a drum” yet - but give it a couple weeks.

Yup. Bright moon on fresh snow. ...

2025-12-04T04:53:31Z

In reply to nevent1q…fg8a
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Yup. Bright moon on fresh snow.

Local permafrost appreciates the effort.

2025-12-04T00:07:06Z

In reply to nevent1q…v2fp
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Local permafrost appreciates the effort.

29°F, calm winds,overcast with 90% RH at 9:30am on Keystone ...

2025-12-02T19:11:31Z

29°F, calm winds,overcast with 90% RH at 9:30am on Keystone Ridge. Sure feels like snow but no flakes yet. Maybe all we get is a vigorous hoar frost? #MyAlaskaWx

I’ve faith that predictable path of the sun, clear skies, and ...

2025-12-01T01:15:50Z

In reply to nevent1q…9yum
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I’ve faith that predictable path of the sun, clear skies, and thermodynamics will prevail. As I remember (probably from your posts) we do have a diminishing probability of achieving “long cold snaps”. “More than X days below Y degrees” or similar.

Nostr event nevent1qqs0xldjff5m9u3878a366ze37wcc4pefzcqqe5mcuam2enxzew2f9qzypunumahucjmjp6hhz6wfjef0dyfjaj58xda8hz7agth8s66nml9cu2mqxq

2025-11-29T19:17:50Z

#sunrise

Mercalli 5, so far.

2025-11-27T17:20:08Z

In reply to nevent1q…c74u
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Mercalli 5, so far.

Commercial outfits agree. But they’re just repackaged public ...

2025-11-26T21:56:11Z

In reply to nevent1q…tjxl
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Commercial outfits agree. But they’re just repackaged public data with fees and advertising. No value added (well, pretty colors).

But during these low sun-angle days if you put the sun in that ...

2025-11-26T20:41:45Z

In reply to nevent1q…pp72
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But during these low sun-angle days if you put the sun in that narrow slit of a window…I call that a 💯 “sunny day”. Sunlight’s oblique passage through the atmosphere is hard to describe-especially via those robot observers. Thank goodness for the likes of Sydney Laurence

The public safety net continues to thin out. Fewer slices of ...

2025-11-22T16:02:14Z

The public safety net continues to thin out. Fewer slices of swiss cheese and more holes. https://www.arrl.org/news/skywarn-recognition-day-2025-cancelled

Starting to see more moose tracks and actual visitors in the ...

2025-11-11T06:19:57Z

Starting to see more moose tracks and actual visitors in the Keystone Ridge neighborhood. About 4 yrs ago we had a big drop in tracks and numbers - good to see them come back.

Seemed like another cloudy month or maybe just the mood?

2025-11-02T12:04:48Z

In reply to nevent1q…tpps
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Seemed like another cloudy month or maybe just the mood?

The fluffy, slow, light flakes of yore.

2025-11-02T11:50:44Z

In reply to nevent1q…e4eu
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The fluffy, slow, light flakes of yore.

weird weather

2025-10-31T20:18:18Z

In reply to nevent1q…l0qm
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weird weather

Nostr event nevent1qqs0p63vy58tveu68jq73vuv89nk0n3qkucx72855cjpw8zekt0zzkczypunumahucjmjp6hhz6wfjef0dyfjaj58xda8hz7agth8s66nml9cnh7shs

2025-10-29T17:55:29Z

In reply to nevent1q…h68z
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Clear skies also brought some good Aurora viewing last night.

2025-10-29T16:38:51Z

In reply to nevent1q…3sm2
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Clear skies also brought some good Aurora viewing last night.

Seems like October has continued the cloudy trend from September. ...

2025-10-26T15:22:39Z

In reply to nevent1q…mfjz
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Seems like October has continued the cloudy trend from September. Shielded from the coastal storms we’ve not been very snowy/rainy in the interior and the clouds have kept us from cooling at night with mostly non-inverted temperatures. I’m not missing the ice storms … but the season is still young.

Remarkably different trend lines.

2025-10-16T21:14:23Z

In reply to nevent1q…7tfp
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Remarkably different trend lines.

That was a striking wind shift and warmup starting at about 11am ...

2025-10-13T03:30:07Z

In reply to nevent1q…hx3v
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That was a striking wind shift and warmup starting at about 11am this morning.

29°F, light breeze from the east on Keystone Ridge at 8:15am. A ...

2025-10-11T16:27:46Z

29°F, light breeze from the east on Keystone Ridge at 8:15am. A light skiff of snow on ridges and domes persists from yesterday’s flurries along with fog clinging to Ester and Murphy Domes.

After a rainy grey day a strong southwest wind is sweeping low ...

2025-10-09T05:18:59Z

In reply to nevent1q…g58r
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After a rainy grey day a strong southwest wind is sweeping low clouds off the ridges in Fairbanks this evening. The just-past-full moon has been peeking out dramatically over Keystone Ridge. #MyAlaskaWx

About 1” on Keystone Ridge in fog at 7am. SW wind picked up ...

2025-10-03T20:01:00Z

In reply to nevent1q…frdp
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About 1” on Keystone Ridge in fog at 7am. SW wind picked up (gusting to 20 mph) and temp bumped up from 32°F to 35°F with wet snow changing into rain. Noticed a small GVEA outage along MDR on the way into town.

😬

2025-10-03T19:54:55Z

In reply to nevent1q…zkl0
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😬

Thank you for the radio segments 🙏

2025-10-02T23:05:36Z

In reply to nevent1q…6a8p
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Thank you for the radio segments 🙏

How did cloudiness in Fbks during Sept ‘25 compare with an ...

2025-10-02T22:01:22Z

In reply to nevent1q…wsy4
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How did cloudiness in Fbks during Sept ‘25 compare with an average year? Seemed a bit gloomy, but there might have been other factors.

No problem, AI will fill in the missing data

2025-09-29T03:11:57Z

In reply to nevent1q…anz4
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No problem, AI will fill in the missing data

Wow!

2025-09-17T22:29:43Z

In reply to nevent1q…lehs
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Wow!

Seems like the (slightly) warmer air is laying in the valleys for ...

2025-09-14T16:37:22Z

In reply to nevent1q…z3y3
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Seems like the (slightly) warmer air is laying in the valleys for now.

Noticed that mPing does not admit the possibility of snow or ...

2025-09-13T17:34:19Z

In reply to nevent1q…42jy
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Noticed that mPing does not admit the possibility of snow or wintry-mix. Are the options available by date or temp? Rick Thoman (npub1ygf…tutr)

Mixed rain/snow at 1600’ on Keystone Ridge at 1:30am. 34°F ...

2025-09-13T09:30:59Z

Mixed rain/snow at 1600’ on Keystone Ridge at 1:30am. 34°F with fog and calm winds. #MyAlaskaWeather

44°F, calm winds and very foggy on Keystone Ridge at 9am with ...

2025-09-11T17:14:57Z

44°F, calm winds and very foggy on Keystone Ridge at 9am with off and on rain last night. #myalaskawx

A good reminder that prosecution of the Whittier Alaskans is ...

2025-09-08T16:55:24Z

A good reminder that prosecution of the Whittier Alaskans is brought to you by the same imperial racism championed by William McKinley at the start of the 20th century. Those who want to rename Denali seek return to american imperial racism. https://www.adn.com/opinions/2025/09/06/opinion-drop-the-case-against-whittier-residents/

Like most of these records, this one seems to have fat tails — ...

2025-08-31T02:56:50Z

In reply to nevent1q…mnw8
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Like most of these records, this one seems to have fat tails — with occasional extreme events. Very annoying.

Why?

2025-08-31T02:08:01Z

In reply to nevent1q…kju2
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Why?

Near the solstice the lack of relief from heat in the evening can ...

2025-08-30T19:09:48Z

In reply to nevent1q…g0qz
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Near the solstice the lack of relief from heat in the evening can sometimes be oppressive. Is there a significant trend in summer dew points in the interior?

Two day total on Keystone Ridge was 2.55”. (1.22” and 1.33” ...

2025-08-25T17:52:33Z

In reply to nevent1q…ta66
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Two day total on Keystone Ridge was 2.55”. (1.22” and 1.33” on 8/24 & 25, respectively). A little soggy here now. Fire danger is low.

Whitehorse, YT looking good next week. 🇨🇦

2025-08-22T20:45:29Z

In reply to nevent1q…lkfp
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Whitehorse, YT looking good next week. 🇨🇦

Not felt in our house on bedrock ridge. Fairbanks needs a good ...

2025-08-20T22:18:20Z

In reply to nevent1q…dpmp
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Not felt in our house on bedrock ridge. Fairbanks needs a good detailed strong motion acceleration map. Motion is amplified on sediments and filled ground. Areas of susceptible soils could be identified.

Rain mist and fog, with a southwest breeze and 46°F on Keystone ...

2025-08-20T17:55:24Z

Rain mist and fog, with a southwest breeze and 46°F on Keystone Ridge at 9:30am. Clear sky last night gave way to dense fog at dawn. Small patches of blue sky visible now. #myalaskawx

Parks Hwy from Healy to Broad Pass on a recent sunny summer day ...

2025-08-19T20:05:33Z

Parks Hwy from Healy to Broad Pass on a recent sunny summer day was a constant aviation noise-scape. A couple Super Cubs but many more zoomy light and medium twins and high-end turboprops. Denali Borough will find it tough balancing conflicting values. https://www.newsminer.com/news/local_news/public-meetings-seek-feedback-on-denali-borough-airports/article_9086f558-348e-4967-8ffd-c7ebf1b9202a.html#tncms-source=login #NationalParks #GeneralAviation

I’ve found Andrew Gray’s podcast helpful. He’s been ...

2025-08-08T22:41:07Z

In reply to nevent1q…4d0w
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I’ve found Andrew Gray’s podcast helpful. He’s been interviewing Alaskan journalists who are gathering and reporting news in Alaska. He’s such a great interviewer. He mainly deals with political news, we need similar conversations on science and climate adaptation. https://podcasts.apple.com/us/podcast/east-anchorage-book-club-with-andrew-gray/id1592614366

Likewise: When is it unethical to provide information to social ...

2025-08-08T22:22:35Z

In reply to nevent1q…fpe3
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Likewise: When is it unethical to provide information to social media platforms allied with the regime, such as, X, FB, TickTock, Instagram, and others?

52°F, cloudy bright, with light rain mist and calm winds at 10am ...

2025-08-08T19:02:44Z

52°F, cloudy bright, with light rain mist and calm winds at 10am on Keystone Ridge. #MyAlaskaWx

Whew, I t’s a warm one today (8/6).

2025-08-07T00:54:27Z

In reply to nevent1q…cy20
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Whew, I t’s a warm one today (8/6).

A good time of year to drive the Dempster Hwy. #VacationCanada

2025-08-04T17:43:10Z

In reply to nevent1q…ashy
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A good time of year to drive the Dempster Hwy. #VacationCanada

Variable on a kilometer and quarter-hour scales in the interior. ...

2025-08-02T17:11:44Z

In reply to nevent1q…d69p
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Variable on a kilometer and quarter-hour scales in the interior. Micro showers. Were hail reports elevated?

Watching the NWS/NOAA data management infrastructure crumble in ...

2025-07-31T06:19:40Z

In reply to nevent1q…8ck7
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Watching the NWS/NOAA data management infrastructure crumble in real time.

With an increased haze visible when viewing hills and distant ...

2025-07-27T20:34:11Z

In reply to nevent1q…5xx4
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With an increased haze visible when viewing hills and distant Mtns.

This seesaw after a lot of resources have started to demobe. Been ...

2025-07-25T18:37:09Z

In reply to nevent1q…k2vh
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This seesaw after a lot of resources have started to demobe. Been listening to a lot of back haul flights this last week. Nenana Ridge had a local Met team so I’m guessing they will not be easily fooled.

If we can keep doing 8-10 ha/yr burns in the Goldstream Valley ...

2025-07-24T06:20:13Z

In reply to nevent1q…c68s
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If we can keep doing 8-10 ha/yr burns in the Goldstream Valley without the fires getting out of control we might escape without the whole valley exploding. I was hoping the weather would let managers direct the Nenana Ridge complex fires up the valley a little longer. #FireAdaptation #WildlandFire

Nostr event nevent1qqspu3l6epcqu93j5svkzeju7afuw8f22hml4n7ydfjyjvhka73jefszypunumahucjmjp6hhz6wfjef0dyfjaj58xda8hz7agth8s66nml9c8qsdgc

2025-07-22T04:04:59Z

https://www.earthdata.nasa.gov/news/feature-articles/study-shows-citizen-scientists-crucial-observing-rain-snow-during-storms?utm_source=newsletter&utm_medium=email&utm_campaign=earthdata-discovery-072025 Rick Thoman (npub1ygf…tutr) Is this a thing in Alaska?

The rains have helped. ...

2025-07-21T19:26:35Z

In reply to nevent1q…lfhp
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The rains have helped.

Still about a month until we can enjoy astronomical twilight (sun ...

2025-07-16T16:22:53Z

In reply to nevent1q…nh4w
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Still about a month until we can enjoy astronomical twilight (sun more than 12° below the horizon).

Very cool site. Not a fan of that map’s Mercator projection. A ...

2025-07-15T06:30:11Z

In reply to nevent1q…g60p
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Very cool site. Not a fan of that map’s Mercator projection. A polar stereographic projection would clarify some of the Arctic and sub-Arctic relationships. #CartographersForSocialEquality