Current Conditions
Temp2.8 C
RH7 %
WindNE 0 mph
RoadOpen (4x4)
Mauna Kea Observatories Forecast
10 AM HST (2000 UTC) Monday 12 November 2018
Warning(s)
None
Cloud Cover and Fog/Precipitation Forecast
The summit will remain dry and stable, but there is a chance for light cirrus passing mainly along the northern skies through the night.
Summary of Key Meteorological Variables
Summit temperatures will be near 7 C this afternoon, 2 C this evening and 1 C tomorrow morning. Winds will be light and variable, with seeing near 0.45-0.5 arcseconds. Precipitable water is expected to be in the 0.6-0.8 mm range for the night.
Discussion
No discussion today, in observance of Veterans' Day. Please refer to the forecast table/graph for guidance. The normal forecast will resume tomorrow.
WRF Astronomical Observing Quality Guidance
Cloud Cover and Precipitable Water Analyses
MK CN² Profiles
5 Day Forecast Summary (Graphical Trend)
HST Cloud Fog/Precip Temp Wind Seeing PW
Cover (%) Height (km) Probability (%) (Celcius) (Dir/MPH) (Arcseconds) (mm)
Mon Nov 12 - 2 PM0-20Clear0 / 07N/0-10NaN0.6-1
8 PM0-209-100 / 02E/0-100.4-0.60.6-0.8
Tue Nov 13 - 2 AM0-209-100 / 02S/0-100.3-0.60.7-0.9
2 PM0-208-90 / 07.5SW/5-15NaN0.8-1.2
8 PM10-308-90 / 02.5W/5-150.4-0.61-1.5
Wed Nov 14 - 2 AM30-508-100 / 02W/5-150.45-0.651.5-2
2 PM40-608-1010 / 07SW/5-15NaN2-3
8 PM60-808-1025 / 102SSW/5-150.45-0.653-4
Thu Nov 15 - 2 AM60-808-1025 / 101WSW/5-150.45-0.753-4
2 PM70-906-1060 / 204NNW/0-10NaN4-8
Fri Nov 16 - 2 AM60-804.5-1080 / 40-2WNW/0-100.7-1.38-12
2 PM80-1004-1085 / 601E/0-10NaN8-12
Sat Nov 17 - 2 AM80-1004-1090 / 60-2SE/5-150.8-1.68-12
Rise and Set times for the Sun and Moon
Night (HST) Sun Set Twilight End Twilight Beg Sun Rise Moon Rise Moon Set Illumination (%) RA DEC
Mon Nov 12 - Tue Nov 13 17:52 18:59 5:13 6:20 N/A 22:24 29 19 53.3 -20 44
Tue Nov 13 - Wed Nov 14 17:52 18:59 5:14 6:21 N/A 23:14 38 20 43.1 -19 06
Wed Nov 14 - Thu Nov 15 17:52 18:59 5:14 6:21 N/A 0:04 47 21 31.6 -16 39
Thu Nov 15 - Fri Nov 16 17:52 18:59 5:15 6:22 N/A 0:54 57 22 19.2 -13 30
Fri Nov 16 - Sat Nov 17 17:51 18:58 5:15 6:22 N/A 1:44 66 23 06.0 -9 45
Forecast Issued by: Ryan Lyman
Next update at 10 AM Tuesday 13 November (2000 UTC Tuesday 13 November) 2018.
Additional Information
For public road conditions and snow report message please call (808) 935-6268.
This message is also available at the MKWC road conditions page.
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