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Tropical Depression Imelda at 29.8°N - 95.5°W

Galveston County, TX

Last observation: 18 Sep 2019 - 08:50 UTC

« 2019 Storms »

Tracking started: 17 Sep 2019 - 17:00 UTC


Storm images and information

NHC Storm Description:

18 Sep 2019 - 3:00 UTC ...IMELDA MOVING FARTHER INLAND... ...HEAVY RAINS AND LIFE-THREATENING FLASH FLOODING WILL CONTINUE TO SPREAD INLAND OVER SOUTHEAST TEXAS DURING THE NEXT DAY OR TWO... ...THIS IS THE LAST NHC ADVISORY... As of 10:00 PM CDT Tue Sep 17 the center of Imelda was located near 29.8, -95.5 with movement N at 6 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

18 Sep 2019 - 0:00 UTC ...IMELDA WEAKENS TO A DEPRESSION... ...HEAVY RAINS AND LIFE-THREATENING FLASH FLOODING WILL CONTINUE TO SPREAD INLAND OVER SOUTHEAST TEXAS DURING THE NEXT DAY OR TWO... As of 7:00 PM CDT Tue Sep 17 the center of Imelda was located near 29.6, -95.4 with movement N at 7 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

17 Sep 2019 - 21:00 UTC ...HEAVY RAINFALL AND LIFE-THREATENING FLASH FLOODING TO SPREAD INLAND OVER THE NEXT DAY OR TWO... As of 4:00 PM CDT Tue Sep 17 the center of Imelda was located near 29.3, -95.3 with movement N at 7 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 40 mph.

17 Sep 2019 - 18:30 UTC ...TROPICAL STORM IMELDA MAKES LANDFALL NEAR FREEPORT TEXAS... ...HEAVY RAINFALL AND THREAT OF FLASH FLOODING WILL SPREAD INLAND... As of 1:30 PM CDT Tue Sep 17 the center of Imelda was located near 29.0, -95.3 with movement N at 7 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

17 Sep 2019 - 17:45 UTC ...DEPRESSION BECOMES TROPICAL STORM IMELDA... As of 12:45 PM CDT Tue Sep 17 the center of Imelda was located near 28.9, -95.3 with movement N at 7 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 40 mph.

17 Sep 2019 - 17:00 UTC ...TROPICAL DEPRESSION FORMS NEAR THE TEXAS COAST... ...EXPECTED TO PRODUCE HEAVY RAINFALL AND FLOODING... As of 12:00 PM CDT Tue Sep 17 the center of Eleven was located near 28.7, -95.4 with movement N at 7 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.

Tropical Depression Imelda at 29.8°N - 95.5°W

GeoColor

True Color daytime, multispectral IR at night
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Day Convection

RGB used to identify areas of rapid intensification
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Night Microphysics

RGB used to distinguish clouds from fog
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Air Mass RGB

RGB composite based on the data from IR and WV
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Error
Sandwich RGB

Images unavailable for this channel.


Band 1

0.47 µm
Blue - Visible
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 3

0.86 µm
Veggie - Near IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 4

1.37 µm
Cirrus - Near IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 5

1.6 µm
Snow/Ice - Near IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 6

2.2 µm
Cloud Particle - Near IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 7

3.9 µm
Shortwave Window - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 8

6.2 µm
Upper-Level Water Vapor - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 9

6.9 µm
Mid-Level Water Vapor - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 11

8.4 µm
Cloud Top - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 12

9.6 µm
Ozone - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 13

10.3 µm
Clean Longwave Window - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 14

11.2 µm
Longwave Window - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour

Band 16

13.3 µm
CO₂ Longwave - IR
18 Sep 2019 - 08:50 UTC

Last update > 1 hour