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10 Jun 2025 - 17:14 EDT
10 Jun 2025 - 21:14 UTC

Post-tropical Cyclone Alvin at 20.7°N - 109.5°W

North Pacific Ocean

Last observation: 31 May 2025 - 23:10 UTC

« 2025 Storms »

28 May 2025 - 31 May 2025


Storm images and information

NHC Storm Description:

31 May 2025 - 15:00 UTC ...ALVIN DEGENERATES TO A REMNANT LOW... ...SWELLS AND RIP CURRENTS POSSIBLE ALONG PORTIONS OF THE COASTS OF WEST-CENTRAL MAINLAND MEXICO AND SOUTHERN BAJA CALIFORNIA THIS WEEKEND... As of 8:00 AM MST Sat May 31 the center of Alvin was located near 20.7, -109.5 with movement N at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

31 May 2025 - 9:00 UTC ...ALVIN FORECAST TO A BECOME POST-TROPICAL REMNANT LOW LATER TODAY... As of 2:00 AM MST Sat May 31 the center of Alvin was located near 20.0, -109.3 with movement N at 10 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

31 May 2025 - 3:00 UTC ...ALVIN WEAKENING... As of 8:00 PM MST Fri May 30 the center of Alvin was located near 19.1, -109.1 with movement N at 10 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

30 May 2025 - 21:00 UTC ...TROPICAL STORM ALVIN MOVING NORTH-NORTHWESTWARD... ...LARGE SWELL AND RIP CURRENTS POSSIBLE ACROSS PORTIONS OF WESTERN MAINLAND MEXICO AND SOUTHERN BAJA CALIFORNIA PENINSULA THROUGH THE WEEKEND... As of 2:00 PM MST Fri May 30 the center of Alvin was located near 18.1, -109.0 with movement NNW at 10 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

30 May 2025 - 15:00 UTC ...LARGE SWELL AND RIP CURRENTS POSSIBLE ACROSS PORTIONS OF WESTERN MAINLAND MEXICO AND SOUTHERN BAJA CALIFORNIA PENINSULA THROUGH THE WEEKEND... As of 8:00 AM MST Fri May 30 the center of Alvin was located near 17.4, -108.8 with movement NW at 10 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

30 May 2025 - 9:00 UTC ...ALVIN SENDING LARGE SWELL TOWARDS PORTIONS OF WESTERN MAINLAND MEXICO AND THE BAJA CALIFORNIA PENINSULA... ...INCREASED RISK OF LIFE-THREATENING RIP CURRENTS... As of 2:00 AM MST Fri May 30 the center of Alvin was located near 16.6, -108.3 with movement NNW at 10 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 50 mph.

30 May 2025 - 3:00 UTC ...ALVIN REMAINS WELL OFFSHORE OF SOUTHWESTERN MEXICO... As of 8:00 PM MST Thu May 29 the center of Alvin was located near 16.0, -107.9 with movement NW at 12 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 60 mph.

29 May 2025 - 21:00 UTC ...TROPICAL STORM ALVIN CONTINUES TO STRENGTHEN... As of 2:00 PM MST Thu May 29 the center of Alvin was located near 15.1, -107.2 with movement NW at 12 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 60 mph.

29 May 2025 - 15:00 UTC ...DEPRESSION STRENGTHENS TO TROPICAL STORM ALVIN... As of 8:00 AM MST Thu May 29 the center of Alvin was located near 13.8, -106.3 with movement NW at 10 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

29 May 2025 - 9:00 UTC ...DEPRESSION EXPECTED TO STRENGTHEN INTO A TROPICAL STORM LATER TODAY... As of 2:00 AM MST Thu May 29 the center of One-E was located near 13.3, -106.0 with movement NNW at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

28 May 2025 - 21:00 UTC ...TROPICAL DEPRESSION ONE-E FORMS SOUTH OF MEXICO... As of 3:00 PM CST Wed May 28 the center of One-E was located near 11.9, -104.7 with movement NW at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

Post-tropical Cyclone Alvin at 20.7°N - 109.5°W

GeoColor

True Color daytime, multispectral IR at night
31 May 2025 - 22:50 UTC

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GLM FED

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31 May 2025 - 22:51 UTC

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Day Convection

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31 May 2025 - 22:40 UTC

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Day Night Cloud Micro Combo

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31 May 2025 - 22:40 UTC

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Air Mass RGB

RGB based on data from IR & water vapor
31 May 2025 - 22:40 UTC

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Sandwich RGB

Blend combines IR band 13 with visual band 3
31 May 2025 - 22:40 UTC

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Band 1

0.47 µm
Blue - Visible
31 May 2025 - 22:40 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
31 May 2025 - 22:40 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
31 May 2025 - 22:40 UTC

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Band 4

1.37 µm
Cirrus - Near IR
31 May 2025 - 22:40 UTC

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Band 5

1.6 µm
Snow/Ice - Near IR
31 May 2025 - 22:40 UTC

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Band 6

2.2 µm
Cloud Particle - Near IR
31 May 2025 - 22:40 UTC

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Band 7

3.9 µm
Shortwave Window - IR
31 May 2025 - 22:40 UTC

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Band 8

6.2 µm
Upper-Level Water Vapor - IR
31 May 2025 - 22:40 UTC

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Band 9

6.9 µm
Mid-Level Water Vapor - IR
31 May 2025 - 22:40 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
31 May 2025 - 22:40 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
31 May 2025 - 22:40 UTC

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Band 12

9.6 µm
Ozone - IR
31 May 2025 - 22:40 UTC

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Band 13

10.3 µm
Clean Longwave Window - IR
31 May 2025 - 22:40 UTC

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Band 14

11.2 µm
Longwave Window - IR
31 May 2025 - 22:40 UTC

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Band 15

12.3 µm
Dirty Longwave Window - IR
31 May 2025 - 22:40 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
31 May 2025 - 22:40 UTC

Last update > 1 hour