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23 Oct 2019 - 17:39 EDT
23 Oct 2019 - 21:39 UTC

Tropical Depression Imelda at 29.8°N - 95.5°W

Galveston County, TX


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.

Storm no longer tracked

Images updated every 10 minutes.

GeoColor

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

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Day Convection

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

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Nighttime Microphysics

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

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Day Land Cloud

EUMETSAT Natural Color
18 Sep 2019 - 08:50 UTC

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AirMass RGB

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

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Band 1

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

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Band 2

0.64 µm
Red - Visible
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Band 3

0.86 µm
Veggie - Near IR
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Band 4

1.37 µm
Cirrus - Near IR
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Band 5

1.6 µm
Snow/Ice - Near IR
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Band 6

2.2 µm
Cloud Particle - Near IR
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Band 7

3.9 µm
Shortwave Window - IR
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Band 8

6.2 µm
Upper-Level Water Vapor - IR
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Band 9

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

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Band 10

7.3 µm
Lower-level Water Vapor - IR
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Band 11

8.4 µm
Cloud Top - IR
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Band 12

9.6 µm
Ozone - IR
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Band 13

10.3 µm
Clean Longwave Window - IR
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Band 14

11.2 µm
Longwave Window - IR
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Band 15

12.3 µm
Dirty Longwave Window - IR
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Band 16

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

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