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28 Nov 2021 - 00:46 EST
28 Nov 2021 - 05:46 UTC

Post-tropical Cyclone Gamma at 21.6°N - 88.4°W

Gulf of Mexico

« 2020 Storms »

2 Oct 2020 - 6 Oct 2020


Storm images and information

NHC Storm Description:

6 Oct 2020 - 3:00 UTC ...GAMMA BECOMES POST TROPICAL NEAR THE NORTHERN COAST OF THE YUCATAN PENINSULA... ...PERIODS OF HEAVY RAINFALL POSSIBLE TONIGHT... As of 10:00 PM CDT Mon Oct 5 the center of Gamma was located near 21.6, -88.4 with movement SW at 6 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

5 Oct 2020 - 21:00 UTC ...GAMMA BECOMES A DEPRESSION... ...LIKELY TO BECOME A POST-TROPICAL REMNANT LOW TONIGHT... As of 4:00 PM CDT Mon Oct 5 the center of Gamma was located near 22.1, -88.1 with movement SW at 5 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

5 Oct 2020 - 18:00 UTC ...GAMMA CONTINUES TO SPIN DOWN... ...LIKELY TO BECOME A POST-TROPICAL REMNANT LOW TONIGHT... As of 1:00 PM CDT Mon Oct 5 the center of Gamma was located near 22.3, -87.9 with movement SW at 4 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

5 Oct 2020 - 15:00 UTC ...GAMMA EXPECTED TO MAKE LANDFALL ALONG THE NORTHERN COAST OF YUCATAN TUESDAY... ...FLASH FLOODING POSSIBLE FOR PORTIONS OF THE MEXICAN STATES OF YUCATAN... As of 10:00 AM CDT Mon Oct 5 the center of Gamma was located near 22.3, -87.6 with movement SSW at 2 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

5 Oct 2020 - 12:00 UTC ...AIR FORCE RESERVE RECONNAISSANCE FINDS GAMMA WEAKER... ...FURTHER WEAKENING EXPECTED... As of 7:00 AM CDT Mon Oct 5 the center of Gamma was located near 22.6, -87.5 with movement SSW at 2 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

5 Oct 2020 - 9:00 UTC ...TROPICAL STORM GAMMA DRIFTING WEST-SOUTHWESTWARD JUST NORTH OF THE YUCATAN PENINSULA... As of 4:00 AM CDT Mon Oct 5 the center of Gamma was located near 22.7, -87.5 with movement WSW at 2 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

5 Oct 2020 - 6:00 UTC ...RECONNAISSANCE AIRCRAFT FINDS GAMMA A LITTLE WEAKER WHILE IT CONTINUES TO MEANDER JUST NORTH OF THE YUCATAN PENINSULA... As of 1:00 AM CDT Mon Oct 5 the center of Gamma was located near 22.8, -87.4 with movement W at 2 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

5 Oct 2020 - 3:00 UTC ...GAMMA CONTINUES TO DRIFT JUST NORTH OF THE YUCATAN PENINSULA... As of 10:00 PM CDT Sun Oct 4 the center of Gamma was located near 22.8, -87.2 with movement E at 2 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 60 mph.

5 Oct 2020 - 0:00 UTC ...GAMMA CONTINUES TO DRIFT NEAR THE NORTHERN COAST OF THE YUCATAN PENINSULA... ...AIR FORCE RESERVE HURRICANE HUNTER PLANE INVESTIGATING THE TROPICAL STORM NOW... As of 7:00 PM CDT Sun Oct 4 the center of Gamma was located near 22.9, -87.4 with movement ENE at 3 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 60 mph.

4 Oct 2020 - 21:00 UTC ...GAMMA STALLED JUST NORTH OF THE NORTHERN COAST OF THE YUCATAN PENINSULA... As of 4:00 PM CDT Sun Oct 4 the center of Gamma was located near 22.4, -87.8 with movement Stationary. The minimum central pressure was 997 mb with maximum sustained winds of about 60 mph.

4 Oct 2020 - 18:00 UTC ...GAMMA MEANDERING JUST NORTH OF THE NORTHERN COAST OF THE YUCATAN PENINSULA... As of 1:00 PM CDT Sun Oct 4 the center of Gamma was located near 22.4, -88.0 with movement N at 2 mph. The minimum central pressure was 997 mb with maximum sustained winds of about 60 mph.

4 Oct 2020 - 15:00 UTC ...GAMMA FORECAST TO MEANDER JUST NORTH OF THE NORTHERN COAST OF THE YUCATAN PENINSULA OVER THE NEXT DAY OR SO... As of 10:00 AM CDT Sun Oct 4 the center of Gamma was located near 22.2, -88.2 with movement N at 2 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 60 mph.

4 Oct 2020 - 12:00 UTC ...AIR FORCE RECONNAISSANCE AIRCRAFT INVESTIGATING GAMMA OVER THE EXTREME SOUTHERN GULF OF MEXICO... As of 7:00 AM CDT Sun Oct 4 the center of Gamma was located near 22.1, -88.2 with movement N at 4 mph. The minimum central pressure was 995 mb with maximum sustained winds of about 50 mph.

4 Oct 2020 - 9:00 UTC ...GAMMA LOCATED OVER THE EXTREME SOUTHERN GULF OF MEXICO... ...TORRENTIAL RAINS OCCURRING OVER THE NORTHERN YUCATAN PENINSULA... As of 4:00 AM CDT Sun Oct 4 the center of Gamma was located near 22.0, -88.2 with movement N at 5 mph. The minimum central pressure was 995 mb with maximum sustained winds of about 50 mph.

4 Oct 2020 - 6:00 UTC ...GAMMA MOVES OVER THE EXTREME SOUTHERN GULF OF MEXICO... ...TORRENTIAL RAINS OCCURRING OVER THE NORTHERN YUCATAN PENINSULA... As of 1:00 AM CDT Sun Oct 4 the center of Gamma was located near 21.8, -88.2 with movement NW at 8 mph. The minimum central pressure was 995 mb with maximum sustained winds of about 50 mph.

4 Oct 2020 - 3:00 UTC ...GAMMA DRENCHING THE NORTHERN YUCATAN PENINSULA... As of 10:00 PM CDT Sat Oct 3 the center of Gamma was located near 21.3, -88.0 with movement NW at 7 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 60 mph.

4 Oct 2020 - 0:00 UTC ...GAMMA INLAND OVER THE YUCATAN PENINSULA PRODUCING HEAVY RAINFALL... As of 7:00 PM CDT Sat Oct 3 the center of Gamma was located near 21.0, -87.9 with movement NW at 8 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 60 mph.

3 Oct 2020 - 21:00 UTC ...GAMMA MOVING OVER THE NORTHEASTERN YUCATAN PENINSULA... As of 4:00 PM CDT Sat Oct 3 the center of Gamma was located near 20.7, -87.7 with movement NW at 8 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 65 mph.

3 Oct 2020 - 18:00 UTC ...GAMMA MOVING INLAND OVER THE NORTHEASTERN YUCATAN PENINSULA... As of 1:00 PM CDT Sat Oct 3 the center of Gamma was located near 20.4, -87.6 with movement NW at 9 mph. The minimum central pressure was 980 mb with maximum sustained winds of about 70 mph.

3 Oct 2020 - 17:00 UTC ...GAMMA MAKES LANDFALL NEAR TULUM, MEXICO... As of 12:00 PM CDT Sat Oct 3 the center of Gamma was located near 20.2, -87.5 with movement NW at 9 mph. The minimum central pressure was 980 mb with maximum sustained winds of about 70 mph.

3 Oct 2020 - 15:00 UTC ...GAMMA CLOSE TO HURRICANE STRENGTH AS IT NEARS THE EAST COAST OF THE YUCATAN PENINSULA... As of 10:00 AM CDT Sat Oct 3 the center of Gamma was located near 20.0, -87.3 with movement NW at 9 mph. The minimum central pressure was 983 mb with maximum sustained winds of about 70 mph.

3 Oct 2020 - 12:00 UTC ...GAMMA STRENGTHENS SOME MORE AS IT APPROACHES THE EAST COAST OF THE YUCATAN PENINSULA... As of 7:00 AM CDT Sat Oct 3 the center of Gamma was located near 19.7, -87.2 with movement NW at 9 mph. The minimum central pressure was 987 mb with maximum sustained winds of about 65 mph.

3 Oct 2020 - 9:00 UTC ...GAMMA CONTINUES TO STRENGTHEN AS IT MOVES TOWARD THE YUCATAN PENINSULA... ...HEAVY RAINFALL EXPECTED TO BE THE MAIN THREAT... As of 4:00 AM CDT Sat Oct 3 the center of Gamma was located near 19.4, -86.9 with movement NW at 9 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 50 mph.

3 Oct 2020 - 6:00 UTC ...GAMMA STRENGTHENS AS IT MOVES TOWARD THE YUCATAN PENINSULA... ...HEAVY RAINFALL EXPECTED TO BE THE MAIN THREAT... As of 1:00 AM CDT Sat Oct 3 the center of Gamma was located near 19.2, -86.6 with movement NW at 9 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 45 mph.

3 Oct 2020 - 3:00 UTC ...GAMMA FORECAST TO STRENGTHEN BEFORE LANDFALL IN THE YUCATAN PENINSULA TOMORROW... ...HEAVY RAINFALL EXPECTED TO BE THE MAIN THREAT... As of 10:00 PM CDT Fri Oct 2 the center of Gamma was located near 19.1, -86.1 with movement NW at 9 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 40 mph.

3 Oct 2020 - 0:00 UTC ...DEPRESSION BECOMES TROPICAL STORM GAMMA OVER THE NORTHWESTERN CARIBBEAN SEA... As of 7:00 PM CDT Fri Oct 2 the center of Gamma was located near 18.8, -85.8 with movement NW at 9 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 40 mph.

2 Oct 2020 - 21:00 UTC ...DEPRESSION LIKELY TO BECOME A TROPICAL STORM TONIGHT... As of 4:00 PM CDT Fri Oct 2 the center of Twenty-Five was located near 18.8, -85.3 with movement NW at 9 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

2 Oct 2020 - 18:00 UTC ...DEPRESSION HEADED FOR THE YUCATAN PENINSULA... As of 2:00 PM EDT Fri Oct 2 the center of Twenty-Five was located near 18.3, -84.9 with movement NW at 8 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

2 Oct 2020 - 15:00 UTC ...TROPICAL DEPRESSION FORMS OVER THE NORTHWEST CARIBBEAN... ...WARNINGS AND WATCHES ISSUED FOR A PORTION OF THE YUCATAN PENINSULA... As of 11:00 AM EDT Fri Oct 2 the center of Twenty-Five was located near 18.1, -84.7 with movement NW at 9 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

Storm no longer tracked

GeoColor

True Color daytime, multispectral IR at night
6 Oct 2020 - 10:50 UTC

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Day Convection

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6 Oct 2020 - 11:00 UTC

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Night Microphysics

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6 Oct 2020 - 11:00 UTC

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Sandwich RGB

Multi-spectral blend combines IR band 13 with visual band 3
6 Oct 2020 - 11:00 UTC

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Day Land Cloud

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6 Oct 2020 - 11:00 UTC

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AirMass RGB

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6 Oct 2020 - 11:00 UTC

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Band 1

0.47 µm
Blue - Visible
6 Oct 2020 - 11:00 UTC

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Band 2

0.64 µm
Red - Visible
6 Oct 2020 - 11:00 UTC

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Band 3

0.86 µm
Veggie - Near IR
6 Oct 2020 - 10:50 UTC

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Band 4

1.37 µm
Cirrus - Near IR
6 Oct 2020 - 10:40 UTC

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Band 5

1.6 µm
Snow/Ice - Near IR
6 Oct 2020 - 11:00 UTC

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Band 6

2.2 µm
Cloud Particle - Near IR
6 Oct 2020 - 10:50 UTC

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Band 7

3.9 µm
Shortwave Window - IR
6 Oct 2020 - 10:30 UTC

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Band 8

6.2 µm
Upper-Level Water Vapor - IR
6 Oct 2020 - 10:50 UTC

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Band 9

6.9 µm
Mid-Level Water Vapor - IR
6 Oct 2020 - 10:40 UTC

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Band 10

7.3 µm
Lower-level Water Vapor - IR
6 Oct 2020 - 11:00 UTC

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Band 11

8.4 µm
Cloud Top - IR
6 Oct 2020 - 11:00 UTC

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Band 12

9.6 µm
Ozone - IR
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Band 13

10.3 µm
Clean Longwave Window - IR
6 Oct 2020 - 10:40 UTC

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Band 14

11.2 µm
Longwave Window - IR
6 Oct 2020 - 11:00 UTC

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Band 15

12.3 µm
Dirty Longwave Window - IR
6 Oct 2020 - 10:50 UTC

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Band 16

13.3 µm
CO₂ Longwave - IR
6 Oct 2020 - 11:00 UTC

Last update > 1 hour