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28 Nov 2021 - 00:40 EST
28 Nov 2021 - 05:40 UTC

Post-tropical Cyclone Hernan at 23.2°N - 110.1°W

Mexico

« 2020 Storms »

26 Aug 2020 - 28 Aug 2020


Storm images and information

NHC Storm Description:

28 Aug 2020 - 21:00 UTC ...HERNAN DEGENERATES TO A BROAD LOW PRESSURE AREA... ...THIS IS THE LAST ADVISORY... As of 3:00 PM MDT Fri Aug 28 the center of Hernan was located near 23.2, -110.1 with movement W at 14 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 30 mph.

28 Aug 2020 - 15:00 UTC ...HERNAN WEAKENS TO A TROPICAL DEPRESSION... ...EXPECTED TO DISSIPATE DURING THE NEXT 24 HOURS... As of 9:00 AM MDT Fri Aug 28 the center of Hernan was located near 23.4, -109.1 with movement WNW at 21 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

28 Aug 2020 - 9:00 UTC ...HERNAN LOCATED NORTHEAST OF PREVIOUS ESTIMATES... ...COULD ENTER THE GULF OF CALIFORNIA LATER THIS MORNING... As of 3:00 AM MDT Fri Aug 28 the center of Hernan was located near 22.7, -107.3 with movement NW at 14 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

28 Aug 2020 - 6:30 UTC ...HERNAN LOCATED NORTHEAST OF PREVIOUS ESTIMATES... ...UPDATED POSITION WILL BE REFLECTED IN THE NEXT ADVISORY... As of 12:30 AM MDT Fri Aug 28 the center of Hernan was located near 22.5, -107.0 with movement NW at 15 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

28 Aug 2020 - 3:00 UTC ...HERNAN MOVING NORTH-NORTHWESTWARD PARALLEL TO THE COAST OF MEXICO... ...EXPECTED TO WEAKEN DURING THE NEXT TWO DAYS... As of 9:00 PM MDT Thu Aug 27 the center of Hernan was located near 20.5, -107.0 with movement NNW at 8 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

27 Aug 2020 - 21:00 UTC ...HERNAN WEAKENS SLIGHTLY AS IT CONTINUES TO MOVE PARALLEL TO THE COAST OF SOUTHWESTERN MEXICO... As of 3:00 PM MDT Thu Aug 27 the center of Hernan was located near 19.6, -106.5 with movement NW at 6 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

27 Aug 2020 - 15:00 UTC ...HERNAN MOVING PARALLEL TO THE COAST OF SOUTHWESTERN MEXICO... As of 9:00 AM MDT Thu Aug 27 the center of Hernan was located near 19.1, -106.2 with movement NNW at 5 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

27 Aug 2020 - 9:00 UTC ...HERNAN STRENGTHENS SLIGHTLY WHILE MOVING SLOWLY NORTHWARD OFFSHORE THE COAST OF SOUTHWESTERN MEXICO... As of 3:00 AM MDT Thu Aug 27 the center of Hernan was located near 18.6, -106.0 with movement N at 5 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

27 Aug 2020 - 3:00 UTC No description available

26 Aug 2020 - 21:00 UTC ...DEPRESSION STRENGTHENS AND BECOMES TROPICAL STORM HERNAN... ...FORECAST TO STAY OFFSHORE OF MEXICO... As of 4:00 PM CDT Wed Aug 26 the center of Hernan was located near 17.7, -105.8 with movement NE at 6 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

26 Aug 2020 - 15:00 UTC ...POORLY ORGANIZED DEPRESSION DRIFTING EAST-NORTHEASTWARD OFFSHORE THE COAST OF SOUTHWESTERN MEXICO... As of 9:00 AM MDT Wed Aug 26 the center of Thirteen-E was located near 17.3, -106.1 with movement ENE at 2 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

26 Aug 2020 - 9:00 UTC ...NEW TROPICAL DEPRESSION FORMS OFFSHORE THE COAST OF SOUTHWESTERN MEXICO... As of 3:00 AM MDT Wed Aug 26 the center of Thirteen-E was located near 17.5, -106.7 with movement NNE at 5 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

Storm no longer tracked

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Band 1

0.47 µm
Blue - Visible
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Band 2

0.64 µm
Red - Visible
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Band 3

0.86 µm
Veggie - Near IR
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Band 4

1.37 µm
Cirrus - Near IR
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Band 5

1.6 µm
Snow/Ice - Near IR
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Band 6

2.2 µm
Cloud Particle - Near IR
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Band 7

3.9 µm
Shortwave Window - IR
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Band 8

6.2 µm
Upper-Level Water Vapor - IR
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Band 9

6.9 µm
Mid-Level Water Vapor - IR
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Band 10

7.3 µm
Lower-level Water Vapor - IR
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Band 11

8.4 µm
Cloud Top - IR
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Band 12

9.6 µm
Ozone - IR
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Band 13

10.3 µm
Clean Longwave Window - IR
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Band 14

11.2 µm
Longwave Window - IR
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Band 15

12.3 µm
Dirty Longwave Window - IR
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Band 16

13.3 µm
CO₂ Longwave - IR
29 Aug 2020 - 04:50 UTC

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