NOAA GOES Image Viewer website
27 Nov 2021 - 11:50 EST
27 Nov 2021 - 16:50 UTC

Post-tropical Cyclone Blanca at 16.3°N - 115.6°W

North Pacific Ocean

« 2021 Storms »

30 May 2021 - 4 Jun 2021


Storm images and information

NHC Storm Description:

4 Jun 2021 - 9:00 UTC ...BLANCA BECOMES A REMNANT LOW... ...THIS IS THE LAST ADVISORY... As of 2:00 AM PDT Fri Jun 4 the center of Blanca was located near 16.3, -115.6 with movement WNW at 7 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 30 mph.

4 Jun 2021 - 3:00 UTC ...BLANCA WEAKENS... ...VERY CLOSE TO BECOMING A REMNANT LOW... As of 9:00 PM MDT Thu Jun 3 the center of Blanca was located near 15.7, -114.6 with movement W at 3 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 30 mph.

3 Jun 2021 - 21:00 UTC ...BLANCA LOSING ORGANIZATION... ...EXPECTED TO BECOME A REMNANT LOW BY TOMORROW... As of 3:00 PM MDT Thu Jun 3 the center of Blanca was located near 15.5, -114.3 with movement W at 3 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

3 Jun 2021 - 15:00 UTC ...BLANCA STILL A TROPICAL DEPRESSION AS IT DRIFTS WEST... As of 9:00 AM MDT Thu Jun 3 the center of Blanca was located near 15.7, -114.0 with movement W at 3 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

3 Jun 2021 - 9:00 UTC ...BLANCA HANGING ON AS A TROPICAL DEPRESSION... As of 3:00 AM MDT Thu Jun 3 the center of Blanca was located near 15.6, -113.5 with movement W at 5 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

3 Jun 2021 - 3:00 UTC ...BLANCA LIKELY TO DEGENERATE INTO A REMNANT LOW ON THURSDAY... As of 9:00 PM MDT Wed Jun 2 the center of Blanca was located near 15.4, -113.2 with movement W at 5 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

2 Jun 2021 - 21:00 UTC ...BLANCA WEAKENS TO A TROPICAL DEPRESSION... As of 3:00 PM MDT Wed Jun 2 the center of Blanca was located near 15.5, -112.8 with movement W at 5 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

2 Jun 2021 - 15:00 UTC ...BLANCA EXPECTED TO WEAKEN TODAY AS IT TURNS WESTWARD... As of 9:00 AM MDT Wed Jun 2 the center of Blanca was located near 15.5, -112.2 with movement WNW at 5 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

2 Jun 2021 - 9:00 UTC ...BLANCA WEAKENS AND SLOWS DOWN SLIGHTLY... As of 3:00 AM MDT Wed Jun 2 the center of Blanca was located near 15.0, -112.0 with movement WNW at 6 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

2 Jun 2021 - 3:00 UTC ...BLANCA FORECAST TO SLOW DOWN AND WEAKEN DURING THE NEXT FEW DAYS... As of 9:00 PM MDT Tue Jun 1 the center of Blanca was located near 14.9, -111.6 with movement WNW at 7 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

1 Jun 2021 - 21:00 UTC ...BLANCA WEAKENING AS IT MOVES WEST-NORTHWESTWARD... As of 3:00 PM MDT Tue Jun 1 the center of Blanca was located near 14.7, -110.9 with movement WNW at 8 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

1 Jun 2021 - 15:00 UTC ...BLANCA NO LONGER EXPECTED TO INTENSIFY... As of 9:00 AM MDT Tue Jun 1 the center of Blanca was located near 14.3, -110.2 with movement WNW at 7 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 60 mph.

1 Jun 2021 - 9:00 UTC ...BLANCA COULD STRENGTHEN A BIT MORE TODAY... As of 3:00 AM MDT Tue Jun 1 the center of Blanca was located near 14.2, -109.6 with movement NW at 7 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 60 mph.

1 Jun 2021 - 3:00 UTC ...BLANCA STRENGTHENING AND LIKELY TO REACH ITS PEAK INTENSITY LATER TONIGHT OR TUESDAY... As of 9:00 PM MDT Mon May 31 the center of Blanca was located near 13.9, -109.4 with movement WNW at 9 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 60 mph.

31 May 2021 - 21:00 UTC ...DEPRESSION STRENGTHENS INTO TROPICAL STORM BLANCA WELL TO THE SOUTHWEST OF MEXICO... As of 3:00 PM MDT Mon May 31 the center of Blanca was located near 13.5, -108.9 with movement WNW at 15 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

31 May 2021 - 15:00 UTC ...DEPRESSION EXPECTED TO BECOME A TROPICAL STORM LATER TODAY... As of 9:00 AM MDT Mon May 31 the center of Two-E was located near 12.4, -107.7 with movement WNW at 14 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

31 May 2021 - 9:00 UTC ...DEPRESSION STILL EXPECTED TO STRENGTHEN TODAY... As of 3:00 AM MDT Mon May 31 the center of Two-E was located near 12.2, -106.6 with movement WNW at 14 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

31 May 2021 - 3:00 UTC ...DEPRESSION EXPECTED TO STRENGTHEN OVERNIGHT... As of 10:00 PM CDT Sun May 30 the center of Two-E was located near 11.8, -105.2 with movement WNW at 12 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

30 May 2021 - 21:00 UTC ...SECOND TROPICAL DEPRESSION OF THE 2021 EASTERN NORTH PACIFIC HURRICANE SEASON FORMS WELL TO THE SOUTHWEST OF MEXICO... As of 4:00 PM CDT Sun May 30 the center of Two-E was located near 11.3, -103.8 with movement WNW at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

Storm no longer tracked

GeoColor

True Color daytime, multispectral IR at night
4 Jun 2021 - 16:40 UTC

Last update > 1 hour

GLM FED

Lightning flash extent density over GeoColor
4 Jun 2021 - 16:51 UTC

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Day Convection

RGB used to identify areas of rapid intensification
4 Jun 2021 - 16:50 UTC

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Night Microphysics

RGB used to distinguish clouds from fog
4 Jun 2021 - 16:50 UTC

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Sandwich RGB

Multi-spectral blend combines IR band 13 with visual band 3
4 Jun 2021 - 16:50 UTC

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Day Land Cloud

EUMETSAT Natural Color
4 Jun 2021 - 16:50 UTC

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AirMass RGB

RGB composite based on the data from IR and WV
4 Jun 2021 - 16:50 UTC

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Band 1

0.47 µm
Blue - Visible
4 Jun 2021 - 16:50 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
4 Jun 2021 - 16:50 UTC

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Band 3

0.86 µm
Veggie - Near IR
4 Jun 2021 - 16:50 UTC

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Band 4

1.37 µm
Cirrus - Near IR
4 Jun 2021 - 16:50 UTC

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Band 5

1.6 µm
Snow/Ice - Near IR
4 Jun 2021 - 16:50 UTC

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Band 6

2.2 µm
Cloud Particle - Near IR
4 Jun 2021 - 16:50 UTC

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Band 7

3.9 µm
Shortwave Window - IR
4 Jun 2021 - 16:50 UTC

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Band 8

6.2 µm
Upper-Level Water Vapor - IR
4 Jun 2021 - 16:50 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
4 Jun 2021 - 16:50 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
4 Jun 2021 - 16:50 UTC

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Band 11

8.4 µm
Cloud Top - IR
4 Jun 2021 - 16:50 UTC

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Band 12

9.6 µm
Ozone - IR
4 Jun 2021 - 16:50 UTC

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Band 13

10.3 µm
Clean Longwave Window - IR
4 Jun 2021 - 16:50 UTC

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Band 14

11.2 µm
Longwave Window - IR
4 Jun 2021 - 16:50 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
4 Jun 2021 - 16:50 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
4 Jun 2021 - 16:50 UTC

Last update > 1 hour