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Post-tropical Cyclone Harold at 30.4°N - 104.4°W

Presidio County, TX

Last observation: 23 Aug 2023 - 23:10 UTC

« 2023 Storms »

21 Aug 2023 - 23 Aug 2023


Storm images and information

NHC Storm Description:

23 Aug 2023 - 15:00 UTC No description available

23 Aug 2023 - 9:00 UTC No description available

23 Aug 2023 - 3:00 UTC No description available

22 Aug 2023 - 21:00 UTC ...HAROLD WEAKENS TO A DEPRESSION BUT HEAVY RAINS CONTINUE... ...NEXT ADVISORY WILL BE ISSUED BY THE WEATHER PREDICTION CENTER... As of 4:00 PM CDT Tue Aug 22 the center of Harold was located near 27.6, -99.3 with movement WNW at 21 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 35 mph.

22 Aug 2023 - 18:00 UTC ...CORE OF HAROLD INLAND OVER SOUTH TEXAS... ...HEAVY RAINS AND TROPICAL STORM FORCE WINDS CONTINUE ACROSS THE AREA... As of 1:00 PM CDT Tue Aug 22 the center of Harold was located near 27.2, -98.4 with movement WNW at 21 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 45 mph.

22 Aug 2023 - 15:00 UTC ...HAROLD MAKES LANDFALL ON PADRE ISLAND TEXAS... ...HEAVY RAINS AND TROPICAL STORM FORCE WINDS EXPECTED DURING THE NEXT SEVERAL HOURS... As of 10:00 AM CDT Tue Aug 22 the center of Harold was located near 27.1, -97.4 with movement WNW at 21 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 50 mph.

22 Aug 2023 - 14:00 UTC ...HAROLD STRENGTHENS AND REFORMS TO THE NORTH... As of 9:00 AM CDT Tue Aug 22 the center of Harold was located near 27.0, -97.0 with movement WNW at 21 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 50 mph.

22 Aug 2023 - 12:00 UTC ...HAROLD EXPECTED TO MOVE INLAND OVER SOUTH TEXAS COAST LATER THIS MORNING... ...HEAVY RAINS AND STRONG WINDS MOVING ONSHORE IN THE WARNING AREA... As of 7:00 AM CDT Tue Aug 22 the center of Harold was located near 26.2, -96.4 with movement WNW at 18 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

22 Aug 2023 - 9:00 UTC ...HAROLD HEADED FOR THE SOUTH TEXAS COAST... ...HEAVY RAINS AND STRONG WINDS BEGINNING TO SPREAD ONSHORE IN THE WARNING AREA... As of 4:00 AM CDT Tue Aug 22 the center of Harold was located near 25.8, -95.1 with movement WNW at 18 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

22 Aug 2023 - 6:00 UTC ...DEPRESSION STRENGTHENS INTO A TROPICAL STORM... ...HEAVY RAINS AND TROPICAL-STORM-FORCE WINDS OVER PORTIONS OF SOUTH TEXAS BEGINNING LATER THIS MORNING... As of 1:00 AM CDT Tue Aug 22 the center of Harold was located near 25.8, -94.4 with movement WNW at 18 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

22 Aug 2023 - 3:00 UTC ...TROPICAL DEPRESSION MOVING QUICKLY TOWARD SOUTH TEXAS... ...FORECAST TO BRING TROPICAL-STORM-FORCE WINDS AND HEAVY RAINS BEGINNING EARLY TUESDAY... As of 10:00 PM CDT Mon Aug 21 the center of Nine was located near 25.7, -93.3 with movement WNW at 18 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

22 Aug 2023 - 0:00 UTC ...TROPICAL DEPRESSION FORECAST TO BRING GUSTY WINDS AND HEAVY RAINS FOR SOUTH TEXAS BEGINNING OVERNIGHT... As of 7:00 PM CDT Mon Aug 21 the center of Nine was located near 25.4, -92.4 with movement W at 18 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

21 Aug 2023 - 21:00 UTC ...TROPICAL DEPRESSION FORECAST TO STRENGTHEN BEFORE IT REACHES SOUTH TEXAS... ...TROPICAL-STORM-FORCE WINDS AND HEAVY RAINS EXPECTED TO BEGIN OVERNIGHT... As of 4:00 PM CDT Mon Aug 21 the center of Nine was located near 25.2, -91.6 with movement W at 18 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

21 Aug 2023 - 18:00 UTC ...DISTURBANCE EXPECTED TO BECOME A TROPICAL STORM BEFORE REACHING TEXAS... ...FLOODING RAINS AND COASTAL FLOODING ARE POSSIBLE... As of 1:00 PM CDT Mon Aug 21 the center of Nine was located near 25.0, -91.0 with movement W at 16 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

21 Aug 2023 - 15:00 UTC ...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF SOUTH TEXAS... ...FLOODING RAINS AND COASTAL FLOODING ARE POSSIBLE... As of 10:00 AM CDT Mon Aug 21 the center of Nine was located near 25.0, -89.9 with movement W at 16 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 30 mph.

Post-tropical Cyclone Harold at 30.4°N - 104.4°W

GeoColor

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

Last update > 1 hour

GLM FED

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

Last update > 1 hour

Day Convection

RGB used to identify areas of rapid intensification
23 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
23 Aug 2023 - 22:40 UTC

Last update > 1 hour

Air Mass RGB

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

Last update > 1 hour

Sandwich RGB

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

Last update > 1 hour


Band 1

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

Last update > 1 hour

Band 2

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

Last update > 1 hour

Band 3

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

Last update > 1 hour

Band 4

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

Last update > 1 hour

Band 5

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

Last update > 1 hour

Band 6

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

Last update > 1 hour

Band 7

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

Last update > 1 hour

Band 8

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

Last update > 1 hour

Band 9

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

Last update > 1 hour

Band 10

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

Last update > 1 hour

Band 11

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

Last update > 1 hour

Band 12

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

Last update > 1 hour

Band 13

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

Last update > 1 hour

Band 14

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

Last update > 1 hour

Band 15

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

Last update > 1 hour

Band 16

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

Last update > 1 hour