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Starlink-L20 - L-0 Day
Falcon 9
Valid Period
Mar 11, 2021 07:13 - 09:14 UTC (02:13 - 04:14 ET)
Issued
Wed Mar 10, 2021 at 15:00 UTC (10:00 ET)
Forecast Discussion
Space Launch Delta 45
High pressure continues to dominate the area with persistent onshore flow. Winds will be a little gustier during the maximum heating hours from mid-morning until sunset, while brief coastal showers are most likely from the early morning hours through noon. The primary weather concerns for a launch attempt early Thursday morning are liftoff winds and the Cumulus Cloud Rule. Expect no significant changes Friday as the high pressure area remains parked near Bermuda. The primary weather concerns remain liftoff winds and the Cumulus Cloud Rule.
Primary Launch Date
Launch Day
Primary Window
90%
Primary Concerns
- Liftoff Winds
- Cumulus Cloud Rule
Additional Risk Criteria
| Criteria | Risk Level |
|---|---|
| Upper-Level Wind Shear | Low |
| Booster Recovery Weather | Low |
| Solar Activity | Low |
Backup Opportunities
24-Hour Delay
Backup Window
80%
Primary Concerns
- Liftoff Winds
- Cumulus Cloud Rule
Additional Risk Criteria
| Criteria | Risk Level |
|---|---|
| Upper-Level Wind Shear | Low |
| Booster Recovery Weather | Low |
| Solar Activity | Low |