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Falcon 9 Block 5 | Starlink 4

Mon Feb 17, 2020 at 15:05 UTC (10:05 ET)

Weather Forecasts

45 forecasts available for this launch

Starlink 4-36

L-1 Day: Starlink 4-36

Falcon 9

91%
PGO
Oct 20, 2022 14:45 - 19:02 UTC (10:45 - 15:02 ET)
Issued Wed Oct 19, 2022 at 12:00 UTC (08:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:Low-ModBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-36

L-3 Days: Starlink 4-36

Falcon 9

80%
PGO
Oct 20, 2022 14:45 - 19:02 UTC (10:45 - 15:02 ET)
Issued Mon Oct 17, 2022 at 14:00 UTC (10:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-35

L-1 Day: Starlink 4-35

Falcon 9

80%
PGO
Sep 24, 2022 23:27 - 01:45 UTC (19:27 - 21:45 ET)
Issued Fri Sep 23, 2022 at 12:00 UTC (08:00 ET)

Primary Concerns

  • Cumulus Cloud Rule
  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-35

L-2 Day: Starlink 4-35

Falcon 9

70%
PGO
Sep 24, 2022 23:27 - 01:45 UTC (19:27 - 21:45 ET)
Issued Thu Sep 22, 2022 at 12:00 UTC (08:00 ET)

Primary Concerns

  • Cumulus Cloud Rule
  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-35

L-3 Days: Starlink 4-35

Falcon 9

60%
PGO
Sep 24, 2022 23:27 - 01:45 UTC (19:27 - 21:45 ET)
Issued Wed Sep 21, 2022 at 12:00 UTC (08:00 ET)

Primary Concerns

  • Cumulus Cloud Rule
  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-34

L-1 Day: Starlink 4-34

Falcon 9

40%
PGO
Sep 16, 2022 00:55 - 01:15 UTC (20:55 - 21:15 ET)
Issued Thu Sep 15, 2022 at 02:30 UTC (22:30 ET)

Primary Concerns

  • Anvil Cloud Rules
  • Surface Electric Fields Rule
  • Lightning Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-34

L-1 Day: Starlink 4-34

Falcon 9

40%
PGO
Sep 15, 2022 01:17 - 01:37 UTC (21:17 - 21:37 ET)
Issued Wed Sep 14, 2022 at 01:00 UTC (21:00 ET)

Primary Concerns

  • Anvil Cloud Rules
  • Surface Electric Fields Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-34

L-0 Forecast: Starlink 4-34

Falcon 9

50%
PGO
Sep 13, 2022 02:00 - 02:20 UTC (22:00 - 22:20 ET)
Issued Tue Sep 13, 2022 at 11:30 UTC (07:30 ET)

Primary Concerns

  • Anvil Cloud Rules
  • Debris Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-34

L-1 Day: Starlink 4-34

Falcon 9

80%
PGO
Sep 11, 2022 02:43 - 03:03 UTC (22:43 - 23:03 ET)
Issued Sat Sep 10, 2022 at 11:45 UTC (07:45 ET)

Primary Concerns

  • Anvil Cloud Rules
  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-34

L-2 Days: Starlink 4-34

Falcon 9

70%
PGO
Sep 11, 2022 02:43 - 03:03 UTC (22:43 - 23:03 ET)
Issued Fri Sep 9, 2022 at 12:15 UTC (08:15 ET)

Primary Concerns

  • Anvil Cloud Rules
  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-20

L-1 Day: Starlink 4-20

Falcon 9

80%
PGO
Sep 4, 2022 00:32 - 02:10 UTC (20:32 - 22:10 ET)
Issued Sat Sep 3, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-20

L-3 Days: Starlink 4-20

Falcon 9

80%
PGO
Sep 4, 2022 00:32 - 02:10 UTC (20:32 - 22:10 ET)
Issued Thu Sep 1, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-26

L-1 Day: Starlink 4-26

Falcon 9

70%
PGO
Aug 9, 2022 22:49 - 02:29 UTC (18:49 - 22:29 ET)
Issued Mon Aug 8, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule
  • Anvil Cloud Rules

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-26

L-3 Days: Starlink 4-26

Falcon 9

70%
PGO
Aug 9, 2022 22:49 - 02:49 UTC (18:49 - 22:49 ET)
Issued Sat Aug 6, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-25

L-3 Days: Starlink 4-25

Falcon 9

80%
PGO
Jul 24, 2022 12:09 - 13:49 UTC (08:09 - 09:49 ET)
Issued Thu Jul 21, 2022 at 12:00 UTC (08:00 ET)

Primary Concerns

  • Cumulus Cloud Rule
  • Anvil Cloud Rules

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-22

L-1 Day: Starlink 4-22

Falcon 9

50%
PGO
Jul 17, 2022 14:20 - 16:20 UTC (10:20 - 12:20 ET)
Issued Sat Jul 16, 2022 at 11:45 UTC (07:45 ET)

Primary Concerns

  • Thick Cloud Layer Rule
  • Cumulus Cloud Rule
  • Anvil Cloud Rules

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-22

L-3 Days: Starlink 4-22

Falcon 9

60%
PGO
Jul 17, 2022 14:20 - 16:20 UTC (10:20 - 12:20 ET)
Issued Thu Jul 14, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Thick Cloud Layer Rule
  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-21

L-2 Forecast: Starlink 4-21

Falcon 9

80%
PGO
Jul 7, 2022 13:01 - 14:41 UTC (09:01 - 10:41 ET)
Issued Tue Jul 5, 2022 at 11:30 UTC (07:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-19

L-3 Days: Starlink 4-19

Falcon 9

80%
PGO
Jun 17, 2022 14:40 - 16:20 UTC (10:40 - 12:20 ET)
Issued Tue Jun 14, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-14

L-1 Day: Starlink 4-14

Falcon 9

70%
PGO
Apr 21, 2022 15:04 - 18:04 UTC (11:04 - 14:04 ET)
Issued Wed Apr 20, 2022 at 13:00 UTC (09:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-14

L-2 Days: Starlink 4-14

Falcon 9

70%
PGO
Apr 21, 2022 15:04 - 18:04 UTC (11:04 - 14:04 ET)
Issued Tue Apr 19, 2022 at 13:00 UTC (09:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-14

L-3 Days: Starlink 4-14

Falcon 9

70%
PGO
Apr 21, 2022 15:04 - 18:04 UTC (11:04 - 14:04 ET)
Issued Mon Apr 18, 2022 at 13:00 UTC (09:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-12

L-0 Forecast: Starlink 4-12

Falcon 9

70%
PGO
Mar 18 - Mar 19, 2022
Issued Fri Mar 18, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-12

L-1 Day: Starlink 4-12

Falcon 9

70%
PGO
Mar 18 - Mar 19, 2022
Issued Thu Mar 17, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-12

L-3 Days: Starlink 4-12

Falcon 9

60%
PGO
Mar 18 - Mar 19, 2022
Issued Tue Mar 15, 2022 at 12:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:Low to ModerateSolar Activity:Low
Starlink 4-10

L-1 Day: Starlink 4-10

Falcon 9

80%
PGO
Mar 9, 2022 13:35 - 15:36 UTC (08:35 - 10:36 ET)
Issued Tue Mar 8, 2022 at 12:15 UTC (07:15 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-10

L-2 Days: Starlink 4-10

Falcon 9

90%
PGO
Mar 9, 2022 13:35 - 15:36 UTC (08:35 - 10:36 ET)
Issued Mon Mar 7, 2022 at 13:45 UTC (08:45 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-10

L-2 Days: Starlink 4-10

Falcon 9

80%
PGO
Mar 8, 2022 13:56 - 15:57 UTC (08:56 - 10:57 ET)
Issued Sun Mar 6, 2022 at 13:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:ModerateSolar Activity:Low
Starlink 4-9

L-3 Days: Starlink 4-9

Falcon 9

90%
PGO
Mar 3, 2022 14:25 - 16:05 UTC (09:25 - 11:05 ET)
Issued Mon Feb 28, 2022 at 13:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-8

L-1 Day: Starlink 4-8

Falcon 9

90%
PGO
Feb 21, 2022 14:34 - 16:22 UTC (09:34 - 11:22 ET)
Issued Sun Feb 20, 2022 at 14:00 UTC (09:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-8

L-2 Days: Starlink 4-8

Falcon 9

90%
PGO
Feb 20, 2022 16:10 - 16:44 UTC (11:10 - 11:44 ET)
Issued Fri Feb 18, 2022 at 13:00 UTC (08:00 ET)

Primary Concerns

  • Liftoff Winds
  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:Low-ModBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-8

L-3 Days: Starlink 4-8

Falcon 9

80%
PGO
Feb 20, 2022 16:10 - 16:44 UTC (11:10 - 11:44 ET)
Issued Thu Feb 17, 2022 at 13:00 UTC (08:00 ET)

Primary Concerns

  • Liftoff Winds
  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:Low-ModBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-7

L-1 Day: Starlink 4-7

Falcon 9

80%
PGO
Feb 3, 2022 18:03 - 21:43 UTC (13:03 - 16:43 ET)
Issued Wed Feb 2, 2022 at 13:00 UTC (08:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:ModerateSolar Activity:Low
Starlink 4-7

L-1 Day: Starlink 4-7

Falcon 9

80%
PGO
Feb 2, 2022 21:41 - 22:01 UTC (16:41 - 17:01 ET)
Issued Tue Feb 1, 2022 at 13:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-7

L-1 Day: Starlink 4-7

Falcon 9

90%
PGO
Jan 31, 2022 19:07 - 22:46 UTC (14:07 - 17:46 ET)
Issued Sun Jan 30, 2022 at 14:00 UTC (09:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-7

L-1 Day: Starlink 4-7

Falcon 9

90%
PGO
Jan 30, 2022 19:29 - 23:09 UTC (14:29 - 18:09 ET)
Issued Sat Jan 29, 2022 at 14:00 UTC (09:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:ModerateSolar Activity:Low
Starlink 4-7

L-3 Days: Starlink 4-7

Falcon 9

80%
PGO
Jan 29, 2022 19:50 - 23:30 UTC (14:50 - 18:30 ET)
Issued Wed Jan 26, 2022 at 13:00 UTC (08:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:HighSolar Activity:Low
Starlink 4-6

L-1 Day: Starlink 4-6

Falcon 9

>95%
PGO
Jan 18, 2022 23:54 - 02:14 UTC (18:54 - 21:14 ET)
Issued Mon Jan 17, 2022 at 18:00 UTC (13:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-6

L-0 Forecast: Starlink 4-6

Falcon 9

80%
PGO
Jan 17, 2022 00:16 - 02:36 UTC (19:16 - 21:36 ET)
Issued Mon Jan 17, 2022 at 14:00 UTC (09:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:Low-ModBooster Recovery Weather:Mod-highSolar Activity:Low
Starlink 4-6

L-1 Day: Starlink 4-6

Falcon 9

70%
PGO
Jan 17, 2022 00:16 - 02:36 UTC (19:16 - 21:36 ET)
Issued Sun Jan 16, 2022 at 14:00 UTC (09:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:ModerateBooster Recovery Weather:ModerateSolar Activity:Low
Starlink 4-6

L-2 Days: Starlink 4-6

Falcon 9

70%
PGO
Jan 17, 2022 00:16 - 02:36 UTC (19:16 - 21:36 ET)
Issued Sat Jan 15, 2022 at 13:00 UTC (08:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:ModerateBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-6

L-3 Days: Starlink 4-6

Falcon 9

70%
PGO
Jan 17, 2022 00:16 - 02:36 UTC (19:16 - 21:36 ET)
Issued Fri Jan 14, 2022 at 13:00 UTC (08:00 ET)

Primary Concerns

  • Liftoff Winds

Additional Risk Criteria

Upper-Level Wind Shear:ModerateBooster Recovery Weather:Low-ModSolar Activity:Low
Starlink 4-5

L-1 Day: Starlink 4-5

Falcon 9

80%
PGO
Jan 6, 2022 21:49 - 23:47 UTC (16:49 - 18:47 ET)
Issued Wed Jan 5, 2022 at 12:00 UTC (07:00 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-5

L-2 Days: Starlink 4-5

Falcon 9

80%
PGO
Jan 6, 2022 21:49 - 23:47 UTC (16:49 - 18:47 ET)
Issued Tue Jan 4, 2022 at 13:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low
Starlink 4-5

L-3 Days: Starlink 4-5

Falcon 9

80%
PGO
Jan 6, 2022 21:49 - 23:47 UTC (16:49 - 18:47 ET)
Issued Mon Jan 3, 2022 at 13:30 UTC (08:30 ET)

Primary Concerns

  • Cumulus Cloud Rule

Additional Risk Criteria

Upper-Level Wind Shear:LowBooster Recovery Weather:LowSolar Activity:Low