Weather Remains 75% Favorable for 2/20 Launch

Today’s Wallops Range forecast keeps weather at 75% favorable for the Saturday launch window of NASA commercial cargo provider Northrop Grumman’s Antares rocket and Cygnus cargo spacecraft.

Northwesterly winds are expected Saturday morning into Saturday afternoon as an arctic area of high pressure builds into the Mid-Atlantic. Scattered low-level clouds, breezy winds, and cold temperatures are expected for Saturday, Feb. 20. The primary concerns for launch at this time are ground winds and a very slight chance of cumulus clouds and cloud ceilings.

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is in the vertical launch position on the Mid-Atlantic Regional Spaceport’s Pad-0A, Tuesday, Feb. 16, 2021, at NASA’s Wallops Flight Facility in Virginia. Northrop Grumman’s 15th contracted cargo resupply mission with NASA to the International Space Station will deliver about 8,000 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. The CRS-15 Cygnus spacecraft is named after NASA mathematician Katherine Johnson, a Black woman who time and again broke through barriers of gender and race. The launch is scheduled 12:36 p.m. EST, Feb. 20, 2021. Credit: NASA Wallops/Patrick Black

Northrop Grumman is targeting 12:36 p.m. EST Saturday, Feb. 20, for the International Space Station-bound Cygnus, loaded with about 8,000 pounds of research, crew supplies, and hardware. Launch will be from Virginia Space’s Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility near Chincoteague, Virginia.

Live coverage of the launch will air on NASA Television, the agency’s website and the NASA app beginning at 12 p.m. EST Saturday, Feb. 20, with a prelaunch event Friday, Feb. 19.

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