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24 Apr 2024 - 18:32 EDT
24 Apr 2024 - 22:32 UTC

Post-tropical Cyclone Arthur at 36.8°N - 68.6°W

North Atlantic Ocean

Last observation: 20 May 2020 - 02:50 UTC

« 2020 Storms »

16 May 2020 - 19 May 2020

Approximately 500 miles from the U.S. east coast


Storm images and information

NHC Storm Description:

19 May 2020 - 15:00 UTC

19 May 2020 - 9:00 UTC

19 May 2020 - 3:00 UTC

18 May 2020 - 21:00 UTC

18 May 2020 - 18:00 UTC

18 May 2020 - 15:00 UTC

18 May 2020 - 12:00 UTC

18 May 2020 - 9:00 UTC

18 May 2020 - 6:00 UTC

18 May 2020 - 3:00 UTC

18 May 2020 - 0:00 UTC

17 May 2020 - 21:00 UTC

17 May 2020 - 18:00 UTC

17 May 2020 - 15:00 UTC

17 May 2020 - 12:00 UTC

17 May 2020 - 9:00 UTC

17 May 2020 - 6:00 UTC

17 May 2020 - 3:00 UTC

17 May 2020 - 0:00 UTC

16 May 2020 - 21:00 UTC

Post-tropical Cyclone Arthur at 36.8°N - 68.6°W

GeoColor

True Color daytime, multispectral IR at night
20 May 2020 - 02:50 UTC

Last update > 1 hour

Day Convection

RGB used to identify areas of rapid intensification
20 May 2020 - 02:40 UTC

Last update > 1 hour

Day Land Cloud

EUMETSAT Natural Color
20 May 2020 - 02:40 UTC

Last update > 1 hour

Night Microphysics

RGB used to distinguish clouds from fog
20 May 2020 - 02:40 UTC

Last update > 1 hour

Air Mass RGB

RGB composite based on the data from IR and WV
20 May 2020 - 02:40 UTC

Last update > 1 hour

Sandwich RGB

Multi-spectral blend combines IR band 13 with visual band 3
20 May 2020 - 02:40 UTC

Last update > 1 hour


Band 1

0.47 µm
Blue - Visible
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
20 May 2020 - 02:40 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
20 May 2020 - 02:40 UTC

Last update > 1 hour

Band 4

1.37 µm
Cirrus - Near IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 5

1.6 µm
Snow/Ice - Near IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 6

2.2 µm
Cloud Particle - Near IR
20 May 2020 - 02:40 UTC

Last update > 1 hour

Band 7

3.9 µm
Shortwave Window - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 8

6.2 µm
Upper-Level Water Vapor - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
20 May 2020 - 02:40 UTC

Last update > 1 hour

Band 12

9.6 µm
Ozone - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 13

10.3 µm
Clean Longwave Window - IR
20 May 2020 - 02:30 UTC

Last update > 1 hour

Band 14

11.2 µm
Longwave Window - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
20 May 2020 - 02:50 UTC

Last update > 1 hour