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Post-tropical Cyclone Emily at 21.1°N - 41.9°W

North Atlantic Ocean

Last observation: 21 Aug 2023 - 23:10 UTC

« 2023 Storms »

20 Aug 2023 - 21 Aug 2023

Approximately 2300 miles from the U.S. east coast


Storm images and information

NHC Storm Description:

21 Aug 2023 - 15:00 UTC ...EMILY IS NOW A REMNANT LOW... ...THIS IS THE LAST NHC ADVISORY ON EMILY... As of 11:00 AM AST Mon Aug 21 the center of Emily was located near 21.1, -41.9 with movement WNW at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

21 Aug 2023 - 9:00 UTC ...EMILY EXPECTED TO BECOME A POST-TROPICAL CYCLONE SOON... As of 5:00 AM AST Mon Aug 21 the center of Emily was located near 20.7, -41.1 with movement WNW at 12 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

21 Aug 2023 - 3:00 UTC ...EMILY WEAKENS SLIGHTLY... As of 11:00 PM AST Sun Aug 20 the center of Emily was located near 20.5, -40.2 with movement WNW at 9 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

20 Aug 2023 - 21:00 UTC ...EMILY EXPECTED TO WEAKEN DURING THE NEXT COUPLE OF DAYS OVER THE CENTRAL ATLANTIC... As of 5:00 PM AST Sun Aug 20 the center of Emily was located near 20.2, -39.4 with movement WNW at 10 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

20 Aug 2023 - 15:00 UTC ...SATELLITE WIND DATA INDICATES TROPICAL STORM EMILY HAS FORMED... As of 11:00 AM AST Sun Aug 20 the center of Emily was located near 19.5, -38.8 with movement WNW at 10 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

Post-tropical Cyclone Emily at 21.1°N - 41.9°W

GeoColor

True Color daytime, multispectral IR at night
21 Aug 2023 - 22:50 UTC

Last update > 1 hour

GLM FED

Lightning flash extent over GeoColor
21 Aug 2023 - 22:51 UTC

Last update > 1 hour

Day Convection

RGB used to identify areas of rapid intensification
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Day Night Cloud Micro Combo

Day: show phase of cloud tops; night: distinguish clouds from fog
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Air Mass RGB

RGB based on data from IR & water vapor
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Sandwich RGB

Blend combines IR band 13 with visual band 3
21 Aug 2023 - 22:40 UTC

Last update > 1 hour


Band 1

0.47 µm
Blue - Visible
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 4

1.37 µm
Cirrus - Near IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 5

1.6 µm
Snow/Ice - Near IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 6

2.2 µm
Cloud Particle - Near IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 7

3.9 µm
Shortwave Window - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 8

6.2 µm
Upper-Level Water Vapor - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 12

9.6 µm
Ozone - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 13

10.3 µm
Clean Longwave Window - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 14

11.2 µm
Longwave Window - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
21 Aug 2023 - 22:40 UTC

Last update > 1 hour