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25 Sep 2022 - 10:11 EDT
25 Sep 2022 - 14:11 UTC

Potential Tropical Cyclone Four at 25.3°N - 97.9°W

Last observation: 21 Aug 2022 - 10:40 UTC

Mexico

« 2022 Storms »

19 Aug 2022 - 21 Aug 2022


Storm images and information

NHC Storm Description:

21 Aug 2022 - 3:00 UTC ...DISTURBANCE HAS MOVED INLAND OVER NORTHEASTERN MEXICO AND THE CHANCE FOR DEVELOPMENT HAS ENDED... ...HEAVY RAINS STILL POSSIBLE OVER PORTIONS OF NORTHEASTERN MEXICO AND SOUTH TEXAS... As of 10:00 PM CDT Sat Aug 20 the center of Four was located near 25.3, -97.9 with movement NW at 13 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

21 Aug 2022 - 0:00 UTC ...DISORGANIZED DISTURBANCE ABOUT TO MOVE INLAND..... ...HEAVY RAINS SPREADING ACROSS PORTIONS OF NORTHEASTERN MEXICO... As of 7:00 PM CDT Sat Aug 20 the center of Four was located near 24.6, -97.6 with movement NW at 14 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 21:00 UTC ...DISTURBANCE REMAINS DISORGANIZED... ...HEAVY RAINS SPREADING ACROSS NORTHEASTERN MEXICO... As of 4:00 PM CDT Sat Aug 20 the center of Four was located near 24.4, -97.3 with movement NW at 14 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 18:00 UTC ...DISTURBANCE NEARING THE COAST OF NORTHEASTERN MEXICO... ...HEAVY RAINS EXPECTED TO BE THE PRIMARY THREAT... As of 1:00 PM CDT Sat Aug 20 the center of Four was located near 24.1, -96.9 with movement NW at 13 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 15:00 UTC ...DISTURBANCE HEADED TOWARD NORTHEASTERN MEXICO... ...HEAVY RAINS COULD CAUSE FLASH FLOODS ACROSS PORTIONS OF SOUTH TEXAS AND NORTHEASTERN MEXICO THROUGH SUNDAY MORNING... As of 10:00 AM CDT Sat Aug 20 the center of Four was located near 23.6, -96.4 with movement NW at 13 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 12:00 UTC ...AIR FORCE HURRICANE HUNTER AIRCRAFT ENROUTE TO INVESTIGATE THE DISTURBANCE... ...HEAVY RAINS COULD CAUSE FLASH FLOODS ACROSS PORTIONS OF SOUTH TEXAS AND NORTHEASTERN MEXICO THROUGH SUNDAY MORNING... As of 7:00 AM CDT Sat Aug 20 the center of Four was located near 23.2, -96.0 with movement NW at 14 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 9:00 UTC ...DISTURBANCE HEADING TOWARD THE TAMAULIPAS MEXICO COAST... ...HEAVY RAINS COULD CAUSE FLASH FLOODS ACROSS PORTIONS OF SOUTH TEXAS AND NORTHEASTERN MEXICO THROUGH SUNDAY MORNING... As of 4:00 AM CDT Sat Aug 20 the center of Four was located near 22.8, -95.8 with movement NW at 14 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 6:00 UTC ...HEAVY RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS ACROSS PORTIONS OF SOUTH TEXAS AND NORTHEASTERN MEXICO THROUGH TONIGHT... As of 1:00 AM CDT Sat Aug 20 the center of Four was located near 22.2, -95.5 with movement NW at 14 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 3:00 UTC ...TROPICAL STORM CONDITIONS AND HEAVY RAINFALL EXPECTED IN NORTHEASTERN MEXICO AND SOUTHERN TEXAS THIS WEEKEND... As of 10:00 PM CDT Fri Aug 19 the center of Four was located near 21.8, -95.2 with movement NW at 14 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.

20 Aug 2022 - 0:00 UTC ...TROPICAL STORM CONDITIONS AND HEAVY RAINFALL EXPECTED IN NORTHEASTERN MEXICO AND SOUTHERN TEXAS THIS WEEKEND... As of 7:00 PM CDT Fri Aug 19 the center of Four was located near 21.3, -94.9 with movement NW at 14 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.

19 Aug 2022 - 21:00 UTC ...TROPICAL STORM WARNINGS ISSUED FOR PORTIONS OF THE COAST OF NORTHEASTERN MEXICO AND SOUTH TEXAS... As of 4:00 PM CDT Fri Aug 19 the center of Four was located near 20.7, -94.5 with movement NW at 14 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.

Potential Tropical Cyclone Four at 25.3°N - 97.9°W

GeoColor

True Color daytime, multispectral IR at night
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

GLM FED

Lightning flash extent density over GeoColor
21 Aug 2022 - 10:41 UTC

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Day Convection

RGB used to identify areas of rapid intensification
21 Aug 2022 - 10:40 UTC

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Night Microphysics

RGB to distinguish clouds from fog
21 Aug 2022 - 10:40 UTC

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Sandwich RGB

Blend combines IR band 13 with visual band 3
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

AirMass RGB

RGB based on data from IR & water vapor
21 Aug 2022 - 10:40 UTC

Last update > 1 hour


Band 1

0.47 µm
Blue - Visible
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 4

1.37 µm
Cirrus - Near IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 5

1.6 µm
Snow/Ice - Near IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 6

2.2 µm
Cloud Particle - Near IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 7

3.9 µm
Shortwave Window - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 8

6.2 µm
Upper-Level Water Vapor - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 12

9.6 µm
Ozone - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 13

10.3 µm
Clean Longwave Window - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 14

11.2 µm
Longwave Window - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
21 Aug 2022 - 10:40 UTC

Last update > 1 hour