30 Nov 2022
The flow has now crossed what is known as the Observatory Road which is the one that services the NOAA atmospheric observatory, so access to it by road will now be cut off.
"The Northeast Rift Zone eruption of Mauna Loa continues, with several fissures and lava flows active. Several lava flows are traveling in a northeast direction. The longest and largest lava flow is issuing from fissure 3. This lava flow crossed the Mauna Loa Weather Observatory Road at approximately 8 p.m. yesterday evening, November 29, and the flow front was located approximately 6 miles (10 km) from Saddle Road at 7 a.m. HST this morning."
https://www.usgs.gov/volcanoes/mauna...olcano-updates