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8 Dec 2021 - 20:54 EST
9 Dec 2021 - 01:54 UTC

Post-tropical Cyclone Nora at 25.3°N - 108.1°W

Mexico

« 2021 Storms »

25 Aug 2021 - 30 Aug 2021


Storm images and information

NHC Storm Description:

30 Aug 2021 - 9:00 UTC ...NORA DISSIPATES BUT HEAVY RAINS AND MOISTURE FROM ITS REMNANTS WILL CONTINUE TO SPREAD NORTHWARD AND NORTH-NORTHWESTWARD DURING THE NEXT COUPLE OF DAYS... ...THIS IS THE LAST ADVISORY... As of 3:00 AM MDT Mon Aug 30 the center of Nora was located near 25.3, -108.1 with movement NNW at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 30 mph.

30 Aug 2021 - 6:00 UTC ...NORA WEAKENS TO A DEPRESSION... ...HEAVY RAINS WILL CONTINUE TO SPREAD NORTHWARD ACROSS NORTHWEST MEXICO DURING THE NEXT COUPLE OF DAYS... As of 12:00 AM MDT Mon Aug 30 the center of Nora was located near 25.0, -108.0 with movement NNW at 12 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 35 mph.

30 Aug 2021 - 3:00 UTC ...HEAVY RAIN FROM NORA WILL SPREAD NORTHWARD ACROSS NORTHWEST MEXICO DURING THE NEXT COUPLE OF DAYS... As of 9:00 PM MDT Sun Aug 29 the center of Nora was located near 24.8, -107.9 with movement NNW at 12 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 40 mph.

30 Aug 2021 - 0:00 UTC ...HEAVY RAINS WITH THE RISK OF FLOODING CONTINUES NEAR NORA ALONG PORTIONS OF THE NORTHWEST COAST OF MEXICO... As of 6:00 PM MDT Sun Aug 29 the center of Nora was located near 24.5, -107.7 with movement NNW at 12 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 60 mph.

29 Aug 2021 - 21:00 UTC ...NORA TO CONTINUE PRODUCING HEAVY RAINS AND FLOODING ACROSS PORTIONS OF WEST-CENTRAL AND NORTHWESTERN MEXICO... As of 3:00 PM MDT Sun Aug 29 the center of Nora was located near 24.3, -107.5 with movement NNW at 12 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 60 mph.

29 Aug 2021 - 18:00 UTC ...NORA MOVING NORTHWESTWARD NEAR THE COAST OF WEST-CENTRAL MEXICO... ...HEAVY RAINS AND FLOODING CONTINUE ACROSS PORTIONS OF SOUTHWESTERN AND WEST-CENTRAL MEXICO... As of 12:00 PM MDT Sun Aug 29 the center of Nora was located near 24.1, -107.3 with movement NNW at 13 mph. The minimum central pressure was 988 mb with maximum sustained winds of about 70 mph.

29 Aug 2021 - 15:00 UTC ...NORA NEAR MAZATLAN ALONG THE COAST OF SOUTHERN SINALOA... ...HEAVY RAINS AND FLOODING CONTINUE ACROSS PORTIONS OF SOUTHWESTERN AND WEST-CENTRAL MEXICO... As of 9:00 AM MDT Sun Aug 29 the center of Nora was located near 23.3, -106.4 with movement NNW at 10 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 75 mph.

29 Aug 2021 - 12:00 UTC ...NORA VERY NEAR THE COAST OF WEST-CENTRAL MEXICO... ...HEAVY RAINS AND FLOODING CONTINUE... As of 7:00 AM CDT Sun Aug 29 the center of Nora was located near 22.8, -106.1 with movement NNW at 12 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 75 mph.

29 Aug 2021 - 9:00 UTC ...NORA VERY NEAR THE COAST OF WEST-CENTRAL MEXICO... ...CONTINUES TO PRODUCE VERY HEAVY RAINS AND FLOODING... As of 4:00 AM CDT Sun Aug 29 the center of Nora was located near 22.5, -105.9 with movement N at 12 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 75 mph.

29 Aug 2021 - 6:00 UTC ...NORA CONTINUES TO PRODUCE VERY HEAVY RAINS AND FLOODING OVER PORTIONS OF SOUTHWESTERN MEXICO... As of 1:00 AM CDT Sun Aug 29 the center of Nora was located near 22.0, -105.7 with movement N at 16 mph. The minimum central pressure was 984 mb with maximum sustained winds of about 75 mph.

29 Aug 2021 - 3:00 UTC ...NORA CAUSING VERY HEAVY RAINS ALONG THE COASTS OF JALISCO AND NAYARIT... ...HEAVY RAIN AND STRONG WINDS WILL SPREAD NORTH INTO SINALOA OVERNIGHT... As of 10:00 PM CDT Sat Aug 28 the center of Nora was located near 21.3, -105.5 with movement N at 16 mph. The minimum central pressure was 984 mb with maximum sustained winds of about 75 mph.

29 Aug 2021 - 0:00 UTC ...NORA'S CENTER REMAINS NEAR THE COAST OF MEXICO AFTER MAKING LANDFALL IN NORTHWEST JALISCO... As of 7:00 PM CDT Sat Aug 28 the center of Nora was located near 20.2, -105.4 with movement N at 14 mph. The minimum central pressure was 980 mb with maximum sustained winds of about 80 mph.

28 Aug 2021 - 21:00 UTC ...NORA'S CENTER GRAZING THE COAST OF JALISCO MEXICO... ...HURRICANE WARNINGS EXTENDED NORTHWARD ALONG THE NAYARIT AND SINALOA COASTS... As of 4:00 PM CDT Sat Aug 28 the center of Nora was located near 19.7, -105.4 with movement N at 14 mph. The minimum central pressure was 977 mb with maximum sustained winds of about 85 mph.

28 Aug 2021 - 18:00 UTC ...NORA STRENGTHENING WHILE AN EYE FORMS JUST OFF THE COAST OF JALISCO... ...AIR FORCE RESERVE HURRICANE HUNTER EN ROUTE TO INVESTIGATE... As of 1:00 PM CDT Sat Aug 28 the center of Nora was located near 19.0, -105.4 with movement N at 12 mph. The minimum central pressure was 977 mb with maximum sustained winds of about 85 mph.

28 Aug 2021 - 15:00 UTC ...NORA A LITTLE STRONGER... ...CONDITIONS DETERIORATING ALONG THE COASTS OF COLIMA AND JALISCO... As of 10:00 AM CDT Sat Aug 28 the center of Nora was located near 18.4, -105.4 with movement N at 12 mph. The minimum central pressure was 981 mb with maximum sustained winds of about 80 mph.

28 Aug 2021 - 12:00 UTC ...NORA EXPECTED TO PRODUCE HURRICANE-FORCE WINDS ALONG THE COAST OF JALISCO MEXICO LATER TODAY... ...TORRENTIAL RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES... As of 7:00 AM CDT Sat Aug 28 the center of Nora was located near 17.8, -105.4 with movement NNW at 10 mph. The minimum central pressure was 983 mb with maximum sustained winds of about 75 mph.

28 Aug 2021 - 9:00 UTC ...NORA INTENSIFIES INTO A HURRICANE... ...EXPECTED TO BE CLOSE TO THE COASTLINE OF MAINLAND MEXICO LATER TODAY INTO TOMORROW... As of 4:00 AM CDT Sat Aug 28 the center of Nora was located near 17.1, -105.2 with movement NNW at 10 mph. The minimum central pressure was 983 mb with maximum sustained winds of about 75 mph.

28 Aug 2021 - 6:00 UTC ...NORA EXPECTED TO BECOME A HURRICANE LATER TODAY... ...HURRICANE WARNINGS ISSUED FOR PORTIONS OF THE COAST OF MAINLAND MEXICO... As of 1:00 AM CDT Sat Aug 28 the center of Nora was located near 16.7, -105.0 with movement NNW at 10 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 65 mph.

28 Aug 2021 - 3:00 UTC ...NORA EXPECTED TO BECOME A HURRICANE ON SATURDAY... ...HEAVY RAINS AND FLOODING LIKELY OVER PORTIONS OF SOUTHWESTERN MEXICO... As of 10:00 PM CDT Fri Aug 27 the center of Nora was located near 16.3, -105.1 with movement NW at 10 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 65 mph.

28 Aug 2021 - 0:00 UTC ...NORA EXPECTED TO BRING HEAVY RAINS AND FLOODING TO PORTIONS OF SOUTHWESTERN MEXICO... As of 7:00 PM CDT Fri Aug 27 the center of Nora was located near 16.0, -105.1 with movement NW at 12 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 65 mph.

27 Aug 2021 - 21:00 UTC ...NORA STRENGTHENING... ...EXPECTED TO BECOME A HURRICANE ON SATURDAY... As of 4:00 PM CDT Fri Aug 27 the center of Nora was located near 15.5, -104.9 with movement NW at 12 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 65 mph.

27 Aug 2021 - 18:00 UTC ...RAINBANDS FROM NORA CONTINUE TO SPREAD ONSHORE THE COAST OF SOUTHWESTERN MEXICO... ...FLASH FLOODS AND MUDSLIDES POSSIBLE THOUGH THE WEEKEND... As of 1:00 PM CDT Fri Aug 27 the center of Nora was located near 15.7, -104.6 with movement NW at 12 mph. The minimum central pressure was 997 mb with maximum sustained winds of about 50 mph.

27 Aug 2021 - 15:00 UTC ...NORA TURNS TO THE NORTHWEST... ...NEW WARNINGS AND WATCHES ISSUED FOR PORTIONS OF THE COASTS OF JALISCO, NAYARIT, AND SINALOA... As of 10:00 AM CDT Fri Aug 27 the center of Nora was located near 15.4, -104.3 with movement NW at 12 mph. The minimum central pressure was 997 mb with maximum sustained winds of about 50 mph.

27 Aug 2021 - 12:00 UTC ...HEAVY RAINS FROM NORA SPREADING ONSHORE THE COASTS OF OAXACA, GUERRERO, AND MICHOACAN... As of 7:00 AM CDT Fri Aug 27 the center of Nora was located near 14.8, -103.7 with movement WNW at 12 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

27 Aug 2021 - 9:00 UTC ...BROAD NORA EXPECTED TO TURN TO THE NORTHWEST LATER TODAY... ...HURRICANE WATCHES AND TROPICAL STORM WARNINGS REMAIN IN EFFECT ALONG THE SOUTHWESTERN COAST OF MEXICO... As of 4:00 AM CDT Fri Aug 27 the center of Nora was located near 14.6, -103.5 with movement WNW at 12 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

27 Aug 2021 - 6:00 UTC ...NORA A LITTLE STRONGER... As of 1:00 AM CDT Fri Aug 27 the center of Nora was located near 14.2, -103.0 with movement WNW at 12 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

27 Aug 2021 - 3:00 UTC ...NORA FORECAST TO STRENGTHEN... ...TROPICAL STORM WARNING EXTENDED NORTHWARD ALONG THE SOUTHWESTERN COAST OF MEXICO... As of 10:00 PM CDT Thu Aug 26 the center of Nora was located near 14.1, -102.6 with movement WNW at 12 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

27 Aug 2021 - 0:00 UTC ...NORA STRENGTHENS A LITTLE... ...HURRICANE WATCHES AND TROPICAL STORM WARNINGS IN EFFECT ALONG THE SOUTHWESTERN COAST OF MEXICO... As of 7:00 PM CDT Thu Aug 26 the center of Nora was located near 13.7, -102.2 with movement WNW at 11 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

26 Aug 2021 - 21:00 UTC ...HURRICANE WATCHES AND TROPICAL STORM WARNINGS IN EFFECT ALONG THE SOUTHWESTERN COAST OF MEXICO... ...LIFE-THREATENING FLASH FLOODS AND MUDSLIDES POSSIBLE THROUGH THE WEEKEND... As of 4:00 PM CDT Thu Aug 26 the center of Nora was located near 13.4, -101.7 with movement WNW at 9 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

26 Aug 2021 - 18:00 UTC ...SATELLITE DATA INDICATE THAT NORA'S WIND FIELD HAS GROWN IN SIZE... As of 1:00 PM CDT Thu Aug 26 the center of Nora was located near 13.0, -101.0 with movement WNW at 5 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

26 Aug 2021 - 15:00 UTC ...TROPICAL STORM NORA FORMS SOUTH OF MEXICO... ...HURRICANE WATCH ISSUED FOR A PORTION OF THE SOUTHWESTERN COAST OF MEXICO... As of 10:00 AM CDT Thu Aug 26 the center of Nora was located near 12.5, -100.8 with movement WNW at 7 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

26 Aug 2021 - 9:00 UTC ...DEPRESSION CLOSE TO BEING A TROPICAL STORM... ...INTERESTS ALONG THE SOUTHWESTERN COAST OF MEXICO AND BAJA CALIFORNIA SUR SHOULD MONITOR ITS PROGRESS OVER THE COMING DAYS... As of 4:00 AM CDT Thu Aug 26 the center of Fourteen-E was located near 12.0, -100.6 with movement WNW at 8 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

26 Aug 2021 - 3:00 UTC ...DEPRESSION CHANGES LITTLE THIS EVENING... ...INTERESTS ALONG THE SOUTHWESTERN COAST OF MEXICO AND BAJA CALIFORNIA SUR SHOULD MONITOR ITS PROGRESS OVER THE COMING DAYS... As of 10:00 PM CDT Wed Aug 25 the center of Fourteen-E was located near 11.9, -100.1 with movement W at 7 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

25 Aug 2021 - 21:00 UTC ...TROPICAL DEPRESSION FORMS SOUTH OF THE COAST OF SOUTHERN MEXICO... ...INTERESTS ALONG THE SOUTHWESTERN COAST OF MEXICO AND BAJA CALIFORNIA SUR SHOULD MONITOR ITS PROGRESS OVER THE COMING DAYS... As of 4:00 PM CDT Wed Aug 25 the center of Fourteen-E was located near 11.7, -99.4 with movement W at 8 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

Storm no longer tracked

GeoColor

True Color daytime, multispectral IR at night
30 Aug 2021 - 16:40 UTC

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GLM FED

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30 Aug 2021 - 16:51 UTC

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Day Convection

RGB used to identify areas of rapid intensification
30 Aug 2021 - 16:40 UTC

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Night Microphysics

RGB to distinguish clouds from fog
30 Aug 2021 - 16:40 UTC

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Sandwich RGB

Blend combines IR band 13 with visual band 3
30 Aug 2021 - 16:40 UTC

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Day Land Cloud

EUMETSAT Natural Color
30 Aug 2021 - 16:40 UTC

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AirMass RGB

RGB based on data from IR & water vapor
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Band 1

0.47 µm
Blue - Visible
30 Aug 2021 - 16:40 UTC

Last update > 1 hour

Band 2

0.64 µm
Red - Visible
30 Aug 2021 - 16:40 UTC

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Band 3

0.86 µm
Veggie - Near IR
30 Aug 2021 - 16:40 UTC

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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
30 Aug 2021 - 16:40 UTC

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Band 8

6.2 µm
Upper-Level Water Vapor - IR
30 Aug 2021 - 16:40 UTC

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Band 9

6.9 µm
Mid-Level Water Vapor - IR
30 Aug 2021 - 16:40 UTC

Last update > 1 hour

Band 10

7.3 µm
Lower-level Water Vapor - IR
30 Aug 2021 - 16:40 UTC

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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
30 Aug 2021 - 16:40 UTC

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Band 14

11.2 µm
Longwave Window - IR
30 Aug 2021 - 16:40 UTC

Last update > 1 hour

Band 15

12.3 µm
Dirty Longwave Window - IR
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Band 16

13.3 µm
CO₂ Longwave - IR
30 Aug 2021 - 16:40 UTC

Last update > 1 hour