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6 Dec 2021 - 22:04 EST
7 Dec 2021 - 03:04 UTC

Post-tropical Cyclone Olaf at 24.4°N - 114.0°W

North Pacific Ocean

« 2021 Storms »

7 Sep 2021 - 11 Sep 2021


Storm images and information

NHC Storm Description:

11 Sep 2021 - 9:00 UTC ...OLAF BECOMES A REMNANT LOW... ...THIS IS THE LAST ADVISORY... As of 3:00 AM MDT Sat Sep 11 the center of Olaf was located near 24.4, -114.0 with movement W at 6 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.

11 Sep 2021 - 3:00 UTC ...OLAF WEAKENS TO A TROPICAL DEPRESSION... ...ALL TROPICAL STORM WARNINGS HAVE BEEN DISCONTINUED... As of 9:00 PM MDT Fri Sep 10 the center of Olaf was located near 24.7, -113.3 with movement W at 6 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 35 mph.

11 Sep 2021 - 0:00 UTC ...OLAF CONTINUES WEAKENING AS IT PULLS AWAY FROM BAJA CALIFORNIA SUR... ...EXPECTED TO BECOME A POST-TROPICAL REMNANT LOW TOMORROW... As of 6:00 PM MDT Fri Sep 10 the center of Olaf was located near 24.7, -113.0 with movement WNW at 10 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

10 Sep 2021 - 21:00 UTC ...OLAF WEAKENING AS IT MOVES AWAY FROM BAJA CALIFORNIA SUR... ...EXPECTED TO BECOME A POST-TROPICAL REMNANT LOW BY SATURDAY... As of 3:00 PM MDT Fri Sep 10 the center of Olaf was located near 24.6, -112.7 with movement WNW at 10 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 45 mph.

10 Sep 2021 - 18:00 UTC ...TROPICAL-STORM-FORCE WINDS RECENTLY REPORTED AT PUERTO CORTES... ...OLAF EXPECTED TO MOVE AWAY FROM LAND TONIGHT... As of 12:00 PM MDT Fri Sep 10 the center of Olaf was located near 24.5, -112.2 with movement NW at 12 mph. The minimum central pressure was 997 mb with maximum sustained winds of about 50 mph.

10 Sep 2021 - 15:00 UTC ...TROPICAL STORM OLAF BRINGING STRONG WINDS AND HEAVY RAINS TO PORTIONS OF BAJA CALIFORNIA SUR... ...EXPECTED TO MOVE AWAY FROM LAND TONIGHT... As of 9:00 AM MDT Fri Sep 10 the center of Olaf was located near 24.1, -111.3 with movement NW at 10 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 70 mph.

10 Sep 2021 - 12:00 UTC ...HURRICANE-FORCE WINDS AND HEAVY RAINS CONTINUE OVER SOUTHERN PORTIONS OF BAJA CALIFORNIA SUR... As of 6:00 AM MDT Fri Sep 10 the center of Olaf was located near 23.9, -110.8 with movement NW at 10 mph. The minimum central pressure was 984 mb with maximum sustained winds of about 80 mph.

10 Sep 2021 - 9:00 UTC ...OLAF STRADDLING THE SOUTHWESTERN COAST OF BAJA CALIFORNIA SUR... ...HURRICANE-FORCE WINDS AND HEAVY RAINS CONTINUE OVER SOUTHERN PORTIONS OF THE STATE... As of 3:00 AM MDT Fri Sep 10 the center of Olaf was located near 23.7, -110.7 with movement NW at 13 mph. The minimum central pressure was 981 mb with maximum sustained winds of about 85 mph.

10 Sep 2021 - 6:00 UTC ...HURRICANE-FORCE WINDS AND HEAVY RAINFALL FROM OLAF CONTINUE OVER SOUTHERN BAJA CALIFORNIA SUR... As of 12:00 AM MDT Fri Sep 10 the center of Olaf was located near 23.4, -110.2 with movement NW at 12 mph. The minimum central pressure was 979 mb with maximum sustained winds of about 90 mph.

10 Sep 2021 - 3:20 UTC ...OLAF MAKES LANDFALL VERY NEAR SAN JOSE DEL CABO MEXICO... As of 9:20 PM MDT Thu Sep 9 the center of Olaf was located near 23.1, -109.6 with movement NW at 12 mph. The minimum central pressure was 976 mb with maximum sustained winds of about 100 mph.

10 Sep 2021 - 3:00 UTC ...EYE OF OLAF ABOUT TO MAKE LANDFALL AT SAN JOSE DEL CABO MEXICO... ...HURRICANE CONDITIONS SPREADING ACROSS THE SOUTHERN PORTION OF BAJA CALIFORNIA SUR... As of 9:00 PM MDT Thu Sep 9 the center of Olaf was located near 23.0, -109.6 with movement NW at 12 mph. The minimum central pressure was 974 mb with maximum sustained winds of about 100 mph.

10 Sep 2021 - 0:00 UTC ...EYEWALL OF OLAF NEARING THE SOUTHERN COAST OF BAJA CALIFORNIA SUR... ...HURRICANE CONDITIONS EXPECTED TO MOVE ONSHORE IN THE NEXT FEW HOURS... As of 6:00 PM MDT Thu Sep 9 the center of Olaf was located near 22.7, -109.3 with movement NNW at 10 mph. The minimum central pressure was 977 mb with maximum sustained winds of about 90 mph.

9 Sep 2021 - 21:00 UTC ...EYEWALL OF OLAF NEARING THE SOUTHERN COAST OF BAJA CALIFORNIA SUR... ...HURRICANE WARNING EXTENDED NORTHWARD TO CABO SAN LAZARO... As of 3:00 PM MDT Thu Sep 9 the center of Olaf was located near 22.2, -108.9 with movement NNW at 10 mph. The minimum central pressure was 977 mb with maximum sustained winds of about 90 mph.

9 Sep 2021 - 18:00 UTC ...STRENGTHENING OLAF EXPECTED TO BRING HURRICANE-FORCE WINDS AND VERY HEAVY RAIN TO SOUTHERN PORTIONS OF BAJA CALIFORNIA SUR THIS AFTERNOON AND TONIGHT... As of 12:00 PM MDT Thu Sep 9 the center of Olaf was located near 21.8, -108.6 with movement NNW at 9 mph. The minimum central pressure was 984 mb with maximum sustained winds of about 80 mph.

9 Sep 2021 - 15:00 UTC ...OLAF BECOMES A HURRICANE WITH ADDITIONAL STRENGTHENING LIKELY TODAY... ...PREPARATIONS IN THE HURRICANE WARNING AREA SHOULD BE RUSHED TO COMPLETION... As of 9:00 AM MDT Thu Sep 9 the center of Olaf was located near 21.2, -108.3 with movement NNW at 7 mph. The minimum central pressure was 987 mb with maximum sustained winds of about 75 mph.

9 Sep 2021 - 12:00 UTC ...OLAF WILL LIKELY BECOME A HURRICANE LATER TODAY... ...HURRICANE CONDITIONS EXPECTED FOR PORTIONS OF THE SOUTHERN BAJA CALIFORNIA PENINSULA TONIGHT... As of 6:00 AM MDT Thu Sep 9 the center of Olaf was located near 20.8, -108.1 with movement NNW at 6 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 70 mph.

9 Sep 2021 - 9:00 UTC ...OLAF STILL STRENGTHENING AND FORECAST TO BECOME A HURRICANE LATER TODAY... ...HURRICANE WARNINGS ISSUED FOR SOUTHERN PORTIONS OF BAJA CALIFORNIA SUR... As of 3:00 AM MDT Thu Sep 9 the center of Olaf was located near 20.5, -108.0 with movement NNW at 6 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 65 mph.

9 Sep 2021 - 6:00 UTC ...TROPICAL-STORM-FORCE WINDS EXPECTED TO BEGIN ACROSS FAR SOUTHERN PORTIONS OF BAJA CALIFORNIA SUR THIS AFTERNOON OR EVENING... As of 12:00 AM MDT Thu Sep 9 the center of Olaf was located near 20.3, -108.2 with movement NNW at 7 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 50 mph.

9 Sep 2021 - 3:00 UTC ...OLAF SLOWLY STRENGTHENING... ...TROPICAL STORM WARNING AND HURRICANE WATCH IN EFFECT FOR PORTIONS OF BAJA CALIFORNIA SUR... As of 9:00 PM MDT Wed Sep 8 the center of Olaf was located near 20.0, -108.0 with movement NNW at 7 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 50 mph.

9 Sep 2021 - 0:00 UTC ...OLAF FORECAST TO STRENGTHEN... ...TROPICAL STORM WARNING AND HURRICANE WATCH IN EFFECT FOR PORTIONS OF BAJA CALIFORNIA SUR... As of 6:00 PM MDT Wed Sep 8 the center of Olaf was located near 19.7, -107.7 with movement NW at 6 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

8 Sep 2021 - 21:00 UTC ...OLAF MOVING SLOWLY AND PARALLEL TO THE MEXICAN COAST... ...TROPICAL STORM WARNING AND HURRICANE WATCH ISSUED FOR PORTIONS OF BAJA CALIFORNIA SUR... As of 3:00 PM MDT Wed Sep 8 the center of Olaf was located near 19.4, -107.7 with movement NW at 6 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

8 Sep 2021 - 18:00 UTC ...OLAF STRENGTHENS A LITTLE AS IT MOVES SLOWLY NORTHWESTWARD... As of 12:00 PM MDT Wed Sep 8 the center of Olaf was located near 19.1, -107.5 with movement NW at 7 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

8 Sep 2021 - 15:00 UTC ...DEPRESSION STRENGTHENS INTO TROPICAL STORM OLAF... As of 9:00 AM MDT Wed Sep 8 the center of Olaf was located near 18.9, -107.5 with movement NW at 7 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

8 Sep 2021 - 12:00 UTC ...TROPICAL DEPRESSION STILL FORECAST TO BECOME A TROPICAL STORM LATER TODAY... As of 6:00 AM MDT Wed Sep 8 the center of Fifteen-E was located near 18.7, -107.3 with movement NNW at 5 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

8 Sep 2021 - 9:00 UTC ...TROPICAL DEPRESSION FORECAST TO BECOME A TROPICAL STORM LATER TODAY... As of 3:00 AM MDT Wed Sep 8 the center of Fifteen-E was located near 18.5, -107.1 with movement NNW at 3 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.

8 Sep 2021 - 6:00 UTC ...DEPRESSION NOT MOVING MUCH OFF THE COAST OF WEST-CENTRAL MEXICO... As of 12:00 AM MDT Wed Sep 8 the center of Fifteen-E was located near 18.3, -107.3 with movement NW at 2 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

8 Sep 2021 - 3:00 UTC ...CENTER OF THE DEPRESSION A LITTLE FARTHER EAST THAN PREVIOUSLY... ...TROPICAL STORM WATCH ISSUED FOR PORTIONS OF BAJA CALIFORNIA SUR... As of 9:00 PM MDT Tue Sep 7 the center of Fifteen-E was located near 18.2, -107.4 with movement WNW at 5 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

7 Sep 2021 - 21:00 UTC ...NEW TROPICAL DEPRESSION FORMS OFFSHORE OF SOUTHWESTERN MEXICO... ...EXPECTED TO BECOME A TROPICAL STORM TONIGHT... As of 3:00 PM MDT Tue Sep 7 the center of Fifteen-E was located near 18.2, -107.9 with movement WNW at 5 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

Storm no longer tracked

GeoColor

True Color daytime, multispectral IR at night
11 Sep 2021 - 16:50 UTC

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GLM FED

Lightning flash extent density over GeoColor
11 Sep 2021 - 16:51 UTC

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Day Convection

RGB used to identify areas of rapid intensification
11 Sep 2021 - 16:50 UTC

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Night Microphysics

RGB to distinguish clouds from fog
11 Sep 2021 - 16:50 UTC

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Sandwich RGB

Blend combines IR band 13 with visual band 3
11 Sep 2021 - 16:50 UTC

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Day Land Cloud

EUMETSAT Natural Color
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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
11 Sep 2021 - 16:50 UTC

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Band 2

0.64 µm
Red - Visible
11 Sep 2021 - 16:50 UTC

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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
11 Sep 2021 - 16:50 UTC

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Band 8

6.2 µm
Upper-Level Water Vapor - IR
11 Sep 2021 - 16:50 UTC

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Band 9

6.9 µm
Mid-Level Water Vapor - IR
11 Sep 2021 - 16:50 UTC

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Band 10

7.3 µm
Lower-level Water Vapor - IR
11 Sep 2021 - 16:50 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
11 Sep 2021 - 16:50 UTC

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Band 14

11.2 µm
Longwave Window - IR
11 Sep 2021 - 16:50 UTC

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Band 15

12.3 µm
Dirty Longwave Window - IR
11 Sep 2021 - 16:50 UTC

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Band 16

13.3 µm
CO₂ Longwave - IR
11 Sep 2021 - 16:50 UTC

Last update > 1 hour