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Starlink-L20 - L-0 Forecast

Falcon 9

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Valid Period

Mar 9, 2021 01:58 - 03:59 UTC (20:58 - 22:59 ET)

Issued

Tue Mar 9, 2021 at 13:30 UTC (08:30 ET)

Forecast Discussion

Space Launch Delta 45

Another partly cloudy day with gusty onshore winds tapering off after sunset is expected along the Space Coast. The primary weather concerns for a launch attempt this evening are liftoff winds and the Cumulus Cloud Rule associated with the onshore flow. On Wednesday, conditions will remain much the same as high pressure continues to dominate the area with persistent onshore flow. The primary weather concerns remain liftoff winds and the Cumulus Cloud Rule.

Primary Launch Date

Launch Day

Primary Window

90%
PGO

Primary Concerns

  • Liftoff Winds
  • Cumulus Cloud Rule

Additional Risk Criteria

CriteriaRisk Level
Upper-Level Wind ShearLow
Booster Recovery WeatherLow
Solar ActivityLow

Backup Opportunities

24-Hour Delay

Backup Window

80%
PGO

Primary Concerns

  • Liftoff Winds
  • Cumulus Cloud Rule

Additional Risk Criteria

CriteriaRisk Level
Upper-Level Wind ShearLow
Booster Recovery WeatherLow
Solar ActivityLow