Latest Summit Road Surface Observations
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| Date - Time | Condition | Grip |
Surface Temp | Air Temp |
| May 25, 2018 - 1617 HST | Dry | Good |
32.8 oC | 11.0 oC | |
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Summit Road Surface Observations Trend and UKIRT Web Cam
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Latest Lens Code
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Raw Summit Road Surface Observations
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| Date |
HST |
xvalue |
yvalue |
ratio |
airtmpc |
sfctmpc |
ave cond
index |
cur cond
index |
ave cond
code |
cur cond
code |
ave fric
index |
cur fric
index |
ave fric
code |
cur fric
code |
soiled
lens |
grip |
| 20180525 |
16:17:48 |
1991 |
1922 |
1.036 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:43 |
1989 |
1918 |
1.037 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:38 |
1985 |
1922 |
1.033 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:33 |
1991 |
1918 |
1.038 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:28 |
1989 |
1923 |
1.034 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:23 |
1990 |
1922 |
1.036 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:18 |
1993 |
1919 |
1.038 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:13 |
1988 |
1918 |
1.036 |
11.0 |
33.3 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:08 |
1988 |
1922 |
1.034 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:17:03 |
1993 |
1924 |
1.036 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:16:58 |
1988 |
1927 |
1.032 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:16:53 |
1995 |
1918 |
1.040 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:16:48 |
1990 |
1923 |
1.035 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:16:43 |
1989 |
1921 |
1.036 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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| 20180525 |
16:16:38 |
1994 |
1919 |
1.039 |
11.0 |
32.8 |
1 |
1 |
DRY |
DRY |
2 |
2 |
0.80 |
0.80 |
0 |
GOOD |
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Disclaimer
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The road surface condition detector cannot determine the road surface condition when there is fog. However, if the temperature is near freezing and fog is present, road ice is highly likely.
The road surface condition detector only looks at a one foot diameter area of asphalt located on the summit ridge adjacent to the United Kingdom Infra-Red Telescope. As Mauna Kea has many micro-climates, the detector may indicate the road is clear while hazardous conditions exist in other locations.
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