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under the snow

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ONP-0013 · PC4-ONP-0013

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about this photo

place

map

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

hurricane hill

Olympic Peninsula, WA

about the trail

Hurricane Hill via Hurricane Ridge

about the park

Olympic National Park

National Park

  • World Heritage Site
area908,160 acreselevation0–7,929 ftmanaged byNational Park Service
date / time

date / time

2026-04-30

time

1:15 PM

season cycle, Spring

season cycle

iNaturalist community observations

  • Pacific trillium160 obs
  • Fairy-slipper123 obs
  • Pacific Banana Slug108 obs
  • Arctic Butterbur86 obs
  • Red-flowering Currant68 obs
  • Broad-leaved Stonecrop61 obs
  • western skunk cabbage59 obs
  • Pacific Bleeding Heart59 obs

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

light / sun / UV

UV index

5 · moderate

lowextreme
UV 3–5 · seek shade near midday

UV clear sky

6.1 · high

lowextreme
UV 6–7 · protection required

solar (GHI)

719 W/m² · bright

very lowbright
700+ W/m² · clear-sky midday range
noon visible (57°)

solar DNI

340 W/m²

dimsoftpartlybright

solar DHI

446 W/m²

dimsoftbrightheavy

clearness

0.82

overcastintermediateclear
weather / radar

weather

weather

Overcast

temperature

53°F

coldcoolcomfortablewarmhot
38°F – 56°F · daily range

humidity

54%

0%100%
41% – 88% · daily range

cloud cover

94%

0%100%
0% – 100% · daily range

pressure

1020 hPa

lownear normalhigh
1017 hPa – 1022 hPa · daily range · falling

wind

5 mph

gusts 9 mph · SW 216°

cloud layers

high cloud100%
mid cloud0%
low cloud0%

visibility

22 mi

0.0 mi25 mi
8.9 mi – 31 mi · daily range

rain

0"

dew point

37°F

radar

radar· ±1h · 10min

radar frame 7 of 13

reflectivity (dBZ)

0–75

lightmoderateheavy
ATX · N0Q · 1:15 PM · 80 km · pin marks capture location
water

water

Nearest USGS gage, 9.6 km away (not at shutter GPS)

Elwha River

1030 cfs · 10.3 ft · 9.6 km

atmosphere / air quality

satellite

satellite· ±1h · 20min

satellite frame 4 of 7
goes18 · TrueColor · 1:16 PM · pin marks capture location

atmosphere

EPA AQI

34

goodhazardous
EPA 0–50 · air quality is satisfactory

PM2.5

4.5 µg/m³ · good

goodhazardous
0–12 µg/m³ · EPA good

European AQI

41 · moderate

goodextremely poor
EEA 40–60 · moderate

PM10

7.4 µg/m³ · good

goodextremely poor
0–20 µg/m³ · EEA good

ozone

102 µg/m³ · moderate

goodextremely poor
100–130 µg/m³ · EEA moderate

NO₂

4 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

0.14 · clear

crystal clearsmoke / dust
AOD 0.1–0.2 · clear air, crisp distance

dust

5 µg/m³ · clear

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

CO

160 µg/m³ · good

goodextremely poor
0–4000 µg/m³ · clean air

sky cover

CLM · clear

clearovercast
CLM · clear · 61°F · 16 km modeled 53°F / 5 mph; nearest station CLM (16 km) reported 61°F / 4 mphMETAR

KCLM 302015Z AUTO 01003KT 10SM CLR 16/07 A3012 RMK T01600070 VRB03KT MADISHF

METAR observed

1:15 PM

night sky

moon

lunar cycle: Full Moon - day 14 not visible (-56°)

Full Moon - day 14 not visible (-56°)

daily moon cycle: before moonrise

before moonrise

night sky

darkness

2 · typical truly dark site

excellent dark-sky siteinner-city sky
Bortle 2 · typical truly dark site

light: dayseeing Poor

milky way

janfebmaraprmayjunjulaugsepoctnovdec
in season · not visible (-49°) · W
NESWSun: 57° alt, 182° azSunMoon: 57° below horizon, az 21°MoonMercury: 48° alt, 202° az · 15° from SunMercuryVenus: 57° alt, 130° az · 28° from SunVenusMars: 43° alt, 213° az · 24° from SunMarsJupiter: 29° alt, 88° az · 68° from SunJupiterSaturn: 37° alt, 219° az · 31° from SunSaturn

Geometric positions at capture (not naked-eye visibility)

astronomical events

  • Beltane

technical

sensor / film

color science

Sony

focal length

33mm (91mm equiv.)

exposure triangle: f/5.6 · 1/400s · 100

exposure triangle

color
Hold Your Horses13%

histogram

shadowsmidtoneshighlights
redgreenblue
 

attribution

© 2026 frank charlton

data attribution

  • Weather data by Open-Meteo.com (CC BY 4.0)
  • 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 interpolated from nearest METAR station (Port Angeles, 15.9 km)
  • Radar: NEXRAD ATX (79.8 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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