12 Nov 2025 - 01:30 EST
12 Nov 2025 - 06:30 UTC

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

Mexico

Last observation: 02 Jun 2023 - 13:35 UTC

« 2020 Storms »

26 Aug 2020 - 28 Aug 2020

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PTC Hernan - RGB Loops
PTC Hernan - Channel Loops

Storm images and information

Download images NHC Storm Report - Hernan

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.

More storm history

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.