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26 Sep 2022 - 09:19 EDT
26 Sep 2022 - 13:19 UTC

Post-tropical Cyclone Hermine at 23.6°N - 20.2°W

Last observation: 25 Sep 2022 - 16:41 UTC

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« Active Storms »

23 Sep 2022 - 25 Sep 2022

Approximately 3400 miles from the U.S. east coast


NHC Storm Description:

PTC Hermine - The NHC has issued its final advisory on this system. Relevant sectors and Mesoscale views are shown here for 7 days beyond the final NHC advisory for reference.


25 Sep 2022 - 9:00 UTC ...HERMINE BECOMES A POST-TROPICAL REMNANT LOW... ...HEAVY RAINS EXPECTED TO CONTINUE ACROSS THE CANARY ISLANDS THROUGH MONDAY... As of 8:00 AM CVT Sun Sep 25 the center of Hermine was located near 23.6, -20.2 with movement N at 7 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 30 mph.

25 Sep 2022 - 3:00 UTC ...HERMINE EXPECTED TO BECOME A REMNANT LOW SOON... ...HEAVY RAINS EXPECTED TO CONTINUE ACROSS THE CANARY ISLANDS FOR ANOTHER DAY OR SO... As of 2:00 AM CVT Sun Sep 25 the center of Hermine was located near 22.9, -20.3 with movement N at 10 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

24 Sep 2022 - 21:00 UTC ...HERMINE WEAKENS TO A TROPICAL DEPRESSION... ...HEAVY RAINS EXPECTED TO CONTINUE ACROSS THE CANARY ISLANDS FOR ANOTHER DAY OR SO... As of 8:00 PM CVT Sat Sep 24 the center of Hermine was located near 21.8, -20.6 with movement N at 10 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 35 mph.

24 Sep 2022 - 15:00 UTC ...HEAVY RAINS EXPECTED TO CONTINUE ACROSS THE CANARY ISLANDS DURING THE NEXT DAY OR TWO... As of 2:00 PM CVT Sat Sep 24 the center of Hermine was located near 20.8, -20.8 with movement N at 8 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 40 mph.

24 Sep 2022 - 9:00 UTC ...HEAVY RAINS EXPECTED THROUGH THE WEEKEND FOR THE CANARY ISLANDS... ...FLASH FLOODING POSSIBLE IN HIGHER ELEVATIONS... As of 8:00 AM CVT Sat Sep 24 the center of Hermine was located near 20.2, -20.8 with movement N at 10 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 40 mph.

24 Sep 2022 - 3:00 UTC ...HERMINE HEADING NORTHWARD OVER THE FAR EASTERN ATLANTIC... ...HEAVY RAINS FORECAST FOR THE CANARY ISLANDS... As of 2:00 AM CVT Sat Sep 24 the center of Hermine was located near 19.4, -20.8 with movement N at 10 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 40 mph.

23 Sep 2022 - 21:00 UTC ...THE EIGHTH TROPICAL STORM OF THE SEASON FORMS, BUT IN THE EASTERN ATLANTIC... ...HEAVY RAINS FORECAST FOR THE CANARY ISLANDS... As of 8:00 PM CVT Fri Sep 23 the center of Hermine was located near 18.6, -20.5 with movement NNW at 10 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 40 mph.

23 Sep 2022 - 15:00 UTC ...TROPICAL DEPRESSION FORMS OVER THE FAR EASTERN ATLANTIC... ...EXPECTED TO BE SHORT-LIVED... As of 2:00 PM CVT Fri Sep 23 the center of Ten was located near 17.9, -19.8 with movement NNW at 12 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 35 mph.

GeoColor - True Color daytime, multispectral IR at night
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GeoColor is a multispectral product composed of True Color (using a simulated green component) during daytime, and an Infrared product that uses bands 7 and 13 at night. During the day, the imagery looks approximately as it would when viewed with human eyes from space. At night, the blue colors represent liquid water clouds such as fog and stratus, while gray to white indicate higher ice clouds, and the city lights come from a static database derived from the VIIRS Day Night Band.

GeoColor was developed at the Cooperative Institute for Research in the Atmosphere (CIRA) and the STAR Regional and Mesoscale Meteorology Branch (RAMMB). For a full description of the algorithm, please see this article.

Please credit CIRA/NOAA when using GeoColor imagery.

NOTE: Lighted areas shown in nighttime images are not real-time depictions of city lights. The layer is derived from a compilation of JPSS VIIRS Day Night Band images and is included for orientation purposes.

 • CIRA GeoColor Product Quick Guide

Tropical Atlantic GeoColor animation
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GeoColor is a multispectral product composed of True Color (using a simulated green component) during daytime, and an Infrared product that uses bands 7 and 13 at night. During the day, the imagery looks approximately as it would when viewed with human eyes from space. At night, the blue colors represent liquid water clouds such as fog and stratus, while gray to white indicate higher ice clouds, and the city lights come from a static database derived from the VIIRS Day Night Band.

GeoColor was developed at the Cooperative Institute for Research in the Atmosphere (CIRA) and the STAR Regional and Mesoscale Meteorology Branch (RAMMB). For a full description of the algorithm, please see this article.

Please credit CIRA/NOAA when using GeoColor imagery.

NOTE: Lighted areas shown in nighttime images are not real-time depictions of city lights. The layer is derived from a compilation of JPSS VIIRS Day Night Band images and is included for orientation purposes.

 • CIRA GeoColor Product Quick Guide

GeoColor

True Color daytime, multispectral IR at night
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

GLM FED

Lightning flash extent density over GeoColor
25 Sep 2022 - 16:46 UTC

Last update > 1 hour

Day Convection

RGB used to identify areas of rapid intensification
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Night Microphysics

RGB to distinguish clouds from fog
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Sandwich RGB

Blend combines IR band 13 with visual band 3
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

AirMass RGB

RGB based on data from IR & water vapor
25 Sep 2022 - 16:40 UTC

Last update > 1 hour


Band 1

0.47 µm
Blue - Visible
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 4

1.37 µm
Cirrus - Near IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 5

1.6 µm
Snow/Ice - Near IR
25 Sep 2022 - 16:40 UTC

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Band 6

2.2 µm
Cloud Particle - Near IR
25 Sep 2022 - 16:40 UTC

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Band 7

3.9 µm
Shortwave Window - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 8

6.2 µm
Upper-Level Water Vapor - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
25 Sep 2022 - 16:40 UTC

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Band 12

9.6 µm
Ozone - IR
25 Sep 2022 - 16:40 UTC

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Band 13

10.3 µm
Clean Longwave Window - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 14

11.2 µm
Longwave Window - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
25 Sep 2022 - 16:40 UTC

Last update > 1 hour