May 27 Falcon 9 Rocket NASA

Falcon 9 stands 230 feet above Cape Canaveral with a stormy sky on Launch day.

Wednesday May 27, 2020

Launch America: Mission to Space is the first scheduled rocket launch with Astronauts from the United States in nearly 10 years.  All systems are go for the Falcon 9 Rocket and Space Dragon crew of two Doug Hurley and Bob Behnken. There is one exception: The Weather!  That may be the next project for Elon Musk to tackle, but today it has been an obstacle. This post includes radar updates and live video stream from NASA to view right here.


Launch Has Been Scrubbed as of 4:17 PM

Just Inside 17 minutes.


Doppler Radar

Severe storms have rolled through the region, but the mission meteorologists were watching for cells near Orlando around 3 PM to be a player for launch time. The short range models had storms over the launch site, but the human forecasters have done an amazing job calling for the conditions to improve. But within 17 minutes, it was too close to call.

You can see that with the radar images I’ve captured below.

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NASA Live Streaming Video Coverage 


Florida is known for thunderstorms and there are weather contingencies in place.  In fact with nine  people at mission control that do the final “Go” or “No Go”, the final person will be the meteorologist.

Weather is actually monitored up the Eastern Seaboard to eastern Canada for wave heights, just in case the capsule needs to make an emergency splash down.

I will update the radar view here, so please hit refresh.  The Launch Window is instantaneous, so if it needs to be postponed the next window will be on Saturday May 30.

Weather Restrictions 

Here is a brief list. To see the more elaborate breakdown of the policy that was in place for the Space Shuttle, it’s at the Kennedy Space Center

  • 🎈 Weather balloons are launched up to 30 minutes before launch.
  • ⏰ 45 minutes is one option to scrub for weather. Next option is 30 minutes prior.
  • 💨 Wind: CAN NOT exceed 30 mph at 162 Ft level.
  • 🌧 No Rain at the launch site.
  • ⚡️ No Lightning within 10 miles, 30 minutes prior to launch.
  • ⚡️ No charge in the atmosphere along the path that can trigger lightning.
  • ☁️ No Cumulus clouds with subfreezing layer within 10 miles of launch
  • 🌡 Temperatures must be above 41ºF and can NOT be above 99ºF for more than 30 minutes.
  • 🌊 Downstream Weather: Sea State can not exceed 8 to 13 feet waves along the path through coastal eastern Canada.

So far there has been Tropical Storm Betha named just before landfall in South Carolina. Locally, a Special Marine Warning AND Tornado Warning has included Cape Canaveral. This is part of the environment feeding into the tropical storm. The hope from mission meteorologists is that the earlier storms have cooled the air and may help to stabilize the atmosphere, but it will be a close call.

May 27 Falcon 9 rocket launch weather analysis 3 PM


Also See:

Tropical Storm Bertha makes landfall at 50 mph winds

May 27 weather Tropical Storm Bertha analysis Wednesday 11 AM










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