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7 Nov 2024 - 21:59 EST
8 Nov 2024 - 02:59 UTC

Post-tropical Cyclone Sandra at 14.2°N - 122.2°W

North Pacific Ocean

Last observation: 02 Jun 2023 - 13:35 UTC

« 2021 Storms »

7 Nov 2021 - 9 Nov 2021


Storm images and information

NHC Storm Description:

9 Nov 2021 - 21:00 UTC ...SANDRA DISSIPATES OVER THE OPEN EASTERN PACIFIC OCEAN... ...THIS IS THE LAST NHC ADVISORY... As of 1:00 PM PST Tue Nov 9 the center of Sandra was located near 14.2, -122.2 with movement W at 16 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 30 mph.

9 Nov 2021 - 15:00 UTC ...SANDRA FORECAST TO BECOME A REMNANT LOW LATER TODAY... As of 7:00 AM PST Tue Nov 9 the center of Sandra was located near 14.6, -120.7 with movement W at 13 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 30 mph.

9 Nov 2021 - 9:00 UTC ...SANDRA BARELY A TROPICAL DEPRESSION... ...EXPECTED TO DISSIPATE LATER TODAY... As of 1:00 AM PST Tue Nov 9 the center of Sandra was located near 14.8, -119.7 with movement W at 14 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 30 mph.

9 Nov 2021 - 3:00 UTC ...SANDRA FORECAST TO DISSIPATE SOON... As of 7:00 PM PST Mon Nov 8 the center of Sandra was located near 15.3, -119.0 with movement W at 15 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

8 Nov 2021 - 21:00 UTC ...WEAKENING SANDRA FORECAST TO DISSIPATE BY MIDWEEK... As of 1:00 PM PST Mon Nov 8 the center of Sandra was located near 15.5, -117.5 with movement NW at 9 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

8 Nov 2021 - 15:00 UTC ...SANDRA FORECAST TO BECOME A DEPRESSION BY TONIGHT... As of 7:00 AM PST Mon Nov 8 the center of Sandra was located near 14.6, -116.8 with movement WNW at 7 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 40 mph.

8 Nov 2021 - 9:00 UTC ...SANDRA EXPECTED TO WEAKEN TO A DEPRESSION LATER TODAY... As of 1:00 AM PST Mon Nov 8 the center of Sandra was located near 14.1, -116.3 with movement WNW at 7 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 40 mph.

8 Nov 2021 - 3:00 UTC ...SHEARED SANDRA LIKELY TO BE SHORT-LIVED... As of 7:00 PM PST Sun Nov 7 the center of Sandra was located near 14.2, -116.0 with movement WNW at 12 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 40 mph.

7 Nov 2021 - 21:00 UTC ...SATELLITE WIND DATA FINDS TROPICAL STORM SANDRA... As of 1:00 PM PST Sun Nov 7 the center of Sandra was located near 14.0, -115.2 with movement WNW at 10 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 40 mph.

7 Nov 2021 - 15:00 UTC ...ANOTHER NOVEMBER TROPICAL DEPRESSION FORMS IN THE EAST PACIFIC... ...EXPECTED TO BE SHORT LIVED... As of 8:00 AM MST Sun Nov 7 the center of Nineteen-E was located near 13.7, -113.7 with movement WNW at 8 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

Post-tropical Cyclone Sandra at 14.2°N - 122.2°W

GeoColor

True Color daytime, multispectral IR at night
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

GLM FED

Lightning flash extent density over GeoColor
10 Nov 2021 - 04:56 UTC

Last update > 1 hour

Day Convection

RGB used to identify areas of rapid intensification
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Day Land Cloud

EUMETSAT Natural Color
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Night Microphysics

RGB to distinguish clouds from fog
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Air Mass RGB

RGB based on data from IR & water vapor
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Sandwich RGB

Blend combines IR band 13 with visual band 3
10 Nov 2021 - 04:50 UTC

Last update > 1 hour


Band 1

0.47 µm
Blue - Visible
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 4

1.37 µm
Cirrus - Near IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 5

1.6 µm
Snow/Ice - Near IR
10 Nov 2021 - 04:50 UTC

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Band 6

2.2 µm
Cloud Particle - Near IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 7

3.9 µm
Shortwave Window - IR
10 Nov 2021 - 04:50 UTC

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Band 8

6.2 µm
Upper-Level Water Vapor - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 12

9.6 µm
Ozone - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 13

10.3 µm
Clean Longwave Window - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 14

11.2 µm
Longwave Window - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
10 Nov 2021 - 04:50 UTC

Last update > 1 hour