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big ol' cloud

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Size

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Mix any 4" x 6" postcards, 2 for $10 at checkout ($10 per pair)

OCC-0003 · PC4-OCC-0003

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about this photo

place

map

Map at capture
USGS Imagery · ±2.5° · pin marks capture location

astoria

Oregon

date / time

date / time

2024-10-22

time

2:36 PM

season cycle, Fall

season cycle

iNaturalist community observations

  • Horned Nudibranch146 obs
  • Fly Agaric136 obs
  • Western Gull85 obs
  • Northern Kelp Crab74 obs
  • Harbor Seal72 obs
  • King Bolete68 obs
  • Brown Pelican65 obs
  • California Sea Lion60 obs

research-grade observations within 25 km during this calendar month. Counts are total verified iNaturalist observations

light / sun / UV

UV index

1.5 · low

lowextreme
UV 0–2 · minimal protection needed

UV clear sky

1.6 · low

lowextreme
UV 0–2 · minimal protection needed

solar (GHI)

433 W/m² · partly clear

very lowbright
400–700 W/m² · broken cloud / soft sun
dawn visible (30°)

solar DNI

510 W/m²

dimsoftpartlybright

solar DHI

202 W/m²

dimsoftbrightheavy

clearness

0.84

overcastintermediateclear
weather / radar

weather

Weather modeled at approximate park location, not shutter GPS

weather

Mainly clear

temperature

56°F

coldcoolcomfortablewarmhot
44°F – 57°F · daily range

humidity

68%

0%100%
64% – 92% · daily range

cloud cover

22%

0%100%
0% – 100% · daily range

pressure

1024 hPa

lownear normalhigh
1024 hPa – 1026 hPa · daily range · falling

wind

7 mph

gusts 9 mph · N 353°

cloud layers

high cloud48%
mid cloud13%
low cloud10%

visibility

16 mi

0.0 mi25 mi
8.0 mi – 18 mi · daily range

rain

0"

dew point

46°F

radar

radar· ±1h · 10min

radar frame 7 of 13

reflectivity (dBZ)

0–75

lightmoderateheavy
RTX · N0Q · 2:36 PM · 147 km · pin marks capture location
water

water

Nearest USGS gage, 16 km away (not at shutter GPS)

tide· 24h

South Beach, OR · ft MLLW

sea surface

54°F

49°F63°F
49°F – 63°F · year

stream temp

54°F

39°F76°F
39°F – 76°F · year

rising – 7.9 ft

tide station

South Beach, OR · 1.5 km

waves

1.5 m · 8s

wave direction

WNW

swell

1.4 m

Siletz River

124 cfs · 2.5 ft · 16 km

atmosphere / air quality

satellite

satellite· ±1h · 20min

satellite frame 4 of 7
goes18 · TrueColor · 2:36 PM · pin marks capture location

atmosphere

EPA AQI

35

goodhazardous
EPA 0–50 · air quality is satisfactory

PM2.5

3.8 µg/m³ · good

goodhazardous
0–12 µg/m³ · EPA good

European AQI

36 · fair

goodextremely poor
EEA 20–40 · fair

PM10

6.1 µg/m³ · good

goodextremely poor
0–20 µg/m³ · EEA good

ozone

89 µg/m³ · fair

goodextremely poor
50–100 µg/m³ · EEA fair

NO₂

1 µg/m³ · good

goodextremely poor
0–40 µg/m³ · EEA good

SO₂

1 µg/m³ · good

goodextremely poor
0–100 µg/m³ · EEA good

air clarity

0.06 · crystal clear

crystal clearsmoke / dust
AOD 0–0.1 · pristine, deep-blue sky

dust

0 µg/m³ · clear

clearextreme
0–10 µg/m³ · clear of mineral dust

CO

161 µg/m³ · good

goodextremely poor
0–4000 µg/m³ · clean air
night sky

moon

lunar cycle: Last Quarter - day 21 not visible (-2°)

Last Quarter - day 21 not visible (-2°)

daily moon cycle: before moonrise

before moonrise

night sky

darkness

1 · excellent dark-sky site

excellent dark-sky siteinner-city sky
Bortle 1 · excellent dark-sky site

light: dayseeing Good

milky way

janfebmaraprmayjunjulaugsepoctnovdec
in season · not visible (10°) · SSE
NESWSun: 30° alt, 208° azSunMoon: 3° below horizon, az 316°MoonMercury: 28° alt, 192° az · 14° from SunMercuryVenus: 22° alt, 168° az · 36° from SunVenusMars: 0° alt, 303° az · 95° from SunMarsGalactic center: 10° alt, 150° azGC

Geometric positions at capture (not naked-eye visibility)

astronomical events

  • Orionids

technical

sensor / film

color science

Sony

focal length

31mm (85mm equiv.)

exposure triangle: f/7.1 · 1/1000s · 100

exposure triangle

color
Into the Blue13%

histogram

shadowsmidtoneshighlights
redgreenblue
 

attribution

© 2024 frank charlton

data attribution

  • Weather data by Open-Meteo.com (CC BY 4.0)
  • Tide data: NOAA CO-OPS
  • METAR / NEXRAD: Iowa Environmental Mesonet, Iowa State University
  • Hydrology: USGS Water Data
  • Basemap: USGS The National Map
  • Solar: NASA POWER (CC BY 4.0)
  • Satellite: GOES-West (NOAA/NESDIS); NaturalColor derived (CIMSS recipe)
  • Weather modeled at approximate park location, not shutter GPS
  • Tide predictions from NOAA CO-OPS station South Beach, OR (1.5 km)
  • Radar: NEXRAD RTX (147.1 km), scan time ±10 min
  • Satellite: GOES-West (goes18), product time ±20 min
  • Sun, moon, and planet positions computed for exact coordinates
  • Basemap: USGS Imagery, center ±2.5°

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