🆒NOAA Hurricane Hunter aircraft photos clearly show how #AtmosphericRiver s are long, narrow regions in the atmosphere that "stream" water vapour from the tropics to the mid-latitudes. They can be 400-600 km wide and 1,500 km in length.
📷 Jeremy DeHart, 403rd Wing US Air Force Reserve
❗️ Never see this before!
Flash Flood Warning including San Francisco CA, Daly City CA and South San Francisco CA until 3:30 PM PST
