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Signal Ledger

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Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 50 km of California, United States in the next 24 hours.

Window closes in 22 hours · 2026-10-03 02:00 UTC

69%

60–78%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 211 km of Guam, United States; Northern Mariana Islands, United States and 2 more in the next 12 months.

Window closes in 12 months · 2027-10-02 02:00 UTC

84%

76–92%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 819 km of Haiti (nationwide); Jamaica (nationwide) and 2 more in the next 24 hours.

Window closes in 22 hours · 2026-10-03 02:00 UTC

69%

60–78%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 211 km of Guam, United States; Northern Mariana Islands, United States and 2 more in the next 24 hours.

Window closes in 22 hours · 2026-10-03 02:00 UTC

69%

61–77%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 819 km of Haiti (nationwide); Jamaica (nationwide) and 2 more in the next 12 months.

Window closes in 12 months · 2027-10-02 02:00 UTC

84%

75–93%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 50 km of California, United States in the next 7 days.

Window closes in 7 days · 2026-10-09 02:00 UTC

68%

59–77%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 819 km of Haiti (nationwide); Jamaica (nationwide) and 2 more in the next 30 days.

Window closes in 30 days · 2026-11-01 02:00 UTC

72%

63–81%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 665 km of Minnesota, North Dakota and 2 more, United States in the next 24 hours.

Window closes in 22 hours · 2026-10-03 02:00 UTC

69%

61–77%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 665 km of Minnesota, North Dakota and 2 more, United States in the next 7 days.

Window closes in 7 days · 2026-10-09 02:00 UTC

68%

60–76%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 50 km of California, United States in the next 12 months.

Window closes in 12 months · 2027-10-02 02:00 UTC

84%

75–93%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 50 km of California, United States in the next 30 days.

Window closes in 30 days · 2026-11-01 02:00 UTC

72%

63–81%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 665 km of Minnesota, North Dakota and 2 more, United States in the next 30 days.

Window closes in 30 days · 2026-11-01 02:00 UTC

72%

64–80%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 819 km of Haiti (nationwide); Jamaica (nationwide) and 2 more in the next 7 days.

Window closes in 7 days · 2026-10-09 02:00 UTC

68%

59–77%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 665 km of Minnesota, North Dakota and 2 more, United States in the next 12 months.

Window closes in 12 months · 2027-10-02 02:00 UTC

84%

76–92%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 211 km of Guam, United States; Northern Mariana Islands, United States and 2 more in the next 30 days.

Window closes in 30 days · 2026-11-01 02:00 UTC

72%

64–80%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 211 km of Guam, United States; Northern Mariana Islands, United States and 2 more in the next 7 days.

Window closes in 7 days · 2026-10-09 02:00 UTC

68%

60–76%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 665 km of Minnesota, North Dakota and 2 more, United States in the next 30 days.

Window closes in 30 days · 2026-11-01 00:00 UTC

72%

64–80%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 665 km of Minnesota, North Dakota and 2 more, United States in the next 12 months.

Window closes in 12 months · 2027-10-02 00:00 UTC

84%

76–92%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 665 km of Minnesota, North Dakota and 2 more, United States in the next 7 days.

Window closes in 7 days · 2026-10-09 00:00 UTC

68%

60–76%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 348 km of Puerto Rico, United States and Haiti (nationwide) in the next 30 days.

Window closes in 30 days · 2026-11-01 00:00 UTC

72%

63–82%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 50 km of California, United States in the next 30 days.

Window closes in 30 days · 2026-11-01 00:00 UTC

72%

63–81%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 50 km of California, United States in the next 24 hours.

Window closes in 20 hours · 2026-10-03 00:00 UTC

69%

60–78%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 348 km of Puerto Rico, United States and Haiti (nationwide) in the next 24 hours.

Window closes in 20 hours · 2026-10-03 00:00 UTC

69%

59–78%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 665 km of Minnesota, North Dakota and 2 more, United States in the next 24 hours.

Window closes in 20 hours · 2026-10-03 00:00 UTC

69%

61–77%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 50 km of California, United States in the next 12 months.

Window closes in 12 months · 2027-10-02 00:00 UTC

84%

75–93%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 50 km of California, United States in the next 7 days.

Window closes in 7 days · 2026-10-09 00:00 UTC

68%

59–77%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 348 km of Puerto Rico, United States and Haiti (nationwide) in the next 12 months.

Window closes in 12 months · 2027-10-02 00:00 UTC

84%

75–93%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 348 km of Puerto Rico, United States and Haiti (nationwide) in the next 7 days.

Window closes in 7 days · 2026-10-09 00:00 UTC

68%

59–77%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 12 months.

Window closes in 12 months · 2027-10-01 22:00 UTC

84%

74–94%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 73 km of Baghdad, Iraq in the next 12 months.

Window closes in 12 months · 2027-10-01 22:00 UTC

84%

74–94%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 73 km of Baghdad, Iraq in the next 30 days.

Window closes in 30 days · 2026-10-31 22:00 UTC

72%

62–82%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 437 km of Riyadh, Saudi Arabia in the next 24 hours.

Window closes in 18 hours · 2026-10-02 22:00 UTC

69%

60–78%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 73 km of Baghdad, Iraq in the next 7 days.

Window closes in 7 days · 2026-10-08 22:00 UTC

68%

58–78%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 30 days.

Window closes in 30 days · 2026-10-31 22:00 UTC

72%

63–82%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 446 km of Indiana, Illinois and 1 more, United States in the next 12 months.

Window closes in 12 months · 2027-10-01 22:00 UTC

84%

75–93%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 446 km of Indiana, Illinois and 1 more, United States in the next 24 hours.

Window closes in 18 hours · 2026-10-02 22:00 UTC

69%

60–78%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 73 km of Baghdad, Iraq in the next 24 hours.

Window closes in 18 hours · 2026-10-02 22:00 UTC

69%

59–79%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 7 days.

Window closes in 7 days · 2026-10-08 22:00 UTC

68%

58–78%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 24 hours.

Window closes in 18 hours · 2026-10-02 22:00 UTC

69%

59–78%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 446 km of Indiana, Illinois and 1 more, United States in the next 7 days.

Window closes in 7 days · 2026-10-08 22:00 UTC

68%

59–77%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 437 km of Riyadh, Saudi Arabia in the next 7 days.

Window closes in 7 days · 2026-10-08 22:00 UTC

68%

59–77%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 446 km of Indiana, Illinois and 1 more, United States in the next 30 days.

Window closes in 30 days · 2026-10-31 22:00 UTC

72%

63–81%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 437 km of Riyadh, Saudi Arabia in the next 30 days.

Window closes in 30 days · 2026-10-31 22:00 UTC

72%

63–81%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 437 km of Riyadh, Saudi Arabia in the next 12 months.

Window closes in 12 months · 2027-10-01 22:00 UTC

84%

75–93%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 325 km of North Dakota, United States and Canada (nationwide) in the next 24 hours.

Window closes in 16 hours · 2026-10-02 20:00 UTC

69%

61–77%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 325 km of North Dakota, United States and Canada (nationwide) in the next 12 months.

Window closes in 12 months · 2027-10-01 20:00 UTC

84%

76–92%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 325 km of North Dakota, United States and Canada (nationwide) in the next 30 days.

Window closes in 30 days · 2026-10-31 20:00 UTC

72%

64–80%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 338 km of Texas, United States and Mexico (nationwide) in the next 12 months.

Window closes in 12 months · 2027-10-01 20:00 UTC

84%

76–92%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 325 km of North Dakota, United States and Canada (nationwide) in the next 7 days.

Window closes in 7 days · 2026-10-08 20:00 UTC

68%

60–76%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 338 km of Texas, United States and Mexico (nationwide) in the next 7 days.

Window closes in 7 days · 2026-10-08 20:00 UTC

68%

60–76%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 351 km of Atlantic coastal waters, United States; Gulf coastal waters, United States and 1 more in the next 30 days.

Window closes in 30 days · 2026-10-31 20:00 UTC

72%

64–80%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 351 km of Atlantic coastal waters, United States; Gulf coastal waters, United States and 1 more in the next 7 days.

Window closes in 7 days · 2026-10-08 20:00 UTC

68%

60–76%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 351 km of Atlantic coastal waters, United States; Gulf coastal waters, United States and 1 more in the next 24 hours.

Window closes in 16 hours · 2026-10-02 20:00 UTC

69%

61–77%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 338 km of Texas, United States and Mexico (nationwide) in the next 30 days.

Window closes in 30 days · 2026-10-31 20:00 UTC

72%

64–80%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 351 km of Atlantic coastal waters, United States; Gulf coastal waters, United States and 1 more in the next 12 months.

Window closes in 12 months · 2027-10-01 20:00 UTC

84%

76–92%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 338 km of Texas, United States and Mexico (nationwide) in the next 24 hours.

Window closes in 16 hours · 2026-10-02 20:00 UTC

69%

61–77%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 486 km of Texas, Oklahoma and 1 more, United States in the next 30 days.

Window closes in 30 days · 2026-10-31 18:00 UTC

72%

65–79%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 112 km of Atlantic coastal waters and Gulf coastal waters, United States in the next 12 months.

Window closes in 12 months · 2027-10-01 18:00 UTC

84%

75–93%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 486 km of Texas, Oklahoma and 1 more, United States in the next 7 days.

Window closes in 7 days · 2026-10-08 18:00 UTC

68%

61–75%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 389 km of Atlantic coastal waters, United States; The Bahamas (nationwide) and 1 more in the next 24 hours.

Window closes in 14 hours · 2026-10-02 18:00 UTC

69%

60–78%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 12 months.

Window closes in 12 months · 2027-10-01 18:00 UTC

84%

75–93%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 486 km of Texas, Oklahoma and 1 more, United States in the next 12 months.

Window closes in 12 months · 2027-10-01 18:00 UTC

84%

77–91%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 486 km of Texas, Oklahoma and 1 more, United States in the next 24 hours.

Window closes in 14 hours · 2026-10-02 18:00 UTC

69%

62–76%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 112 km of Atlantic coastal waters and Gulf coastal waters, United States in the next 30 days.

Window closes in 30 days · 2026-10-31 18:00 UTC

72%

63–81%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 389 km of Atlantic coastal waters, United States; The Bahamas (nationwide) and 1 more in the next 30 days.

Window closes in 30 days · 2026-10-31 18:00 UTC

72%

63–81%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 24 hours.

Window closes in 14 hours · 2026-10-02 18:00 UTC

69%

60–78%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 7 days.

Window closes in 7 days · 2026-10-08 18:00 UTC

68%

59–77%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 112 km of Atlantic coastal waters and Gulf coastal waters, United States in the next 24 hours.

Window closes in 14 hours · 2026-10-02 18:00 UTC

69%

60–78%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 389 km of Atlantic coastal waters, United States; The Bahamas (nationwide) and 1 more in the next 12 months.

Window closes in 12 months · 2027-10-01 18:00 UTC

84%

75–93%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 573 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 30 days.

Window closes in 30 days · 2026-10-31 18:00 UTC

72%

63–81%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 112 km of Atlantic coastal waters and Gulf coastal waters, United States in the next 7 days.

Window closes in 7 days · 2026-10-08 18:00 UTC

68%

59–77%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 389 km of Atlantic coastal waters, United States; The Bahamas (nationwide) and 1 more in the next 7 days.

Window closes in 7 days · 2026-10-08 18:00 UTC

68%

59–77%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 563 km of Texas and New Mexico, United States in the next 7 days.

Window closes in 7 days · 2026-10-08 16:00 UTC

68%

60–76%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 558 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 24 hours.

Window closes in 12 hours · 2026-10-02 16:00 UTC

69%

60–78%

Atmospheric12 months

Atmospheric: 84% chance of an NWS Severe-or-higher weather alert on 3 separate days within 558 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 12 months.

Window closes in 12 months · 2027-10-01 16:00 UTC

84%

75–93%

Atmospheric24 hours

Atmospheric: 69% chance of an NWS Severe-or-higher weather alert within 563 km of Texas and New Mexico, United States in the next 24 hours.

Window closes in 12 hours · 2026-10-02 16:00 UTC

69%

61–76%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 50 km of California, United States in the next 7 days.

Window closes in 7 days · 2026-10-08 16:00 UTC

68%

59–77%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 558 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 30 days.

Window closes in 30 days · 2026-10-31 16:00 UTC

72%

63–81%

Atmospheric7 days

Atmospheric: 68% chance of an NWS Severe-or-higher weather alert within 558 km of Myanmar (Burma) (nationwide) and Dhaka, Bangladesh in the next 7 days.

Window closes in 7 days · 2026-10-08 16:00 UTC

68%

59–77%

Atmospheric30 days

Atmospheric: 72% chance of an NWS Severe-or-higher weather alert on 2 separate days within 50 km of California, United States in the next 30 days.

Window closes in 30 days · 2026-10-31 16:00 UTC

72%

63–81%

Tremor publishes probabilities, not warnings, and is not an emergency service. For official alerts follow USGS, NOAA/NWS, NASA SWPC or your national authority.