8 Nov 2025 - 16:23 EST
8 Nov 2025 - 21:23 UTC

Post-tropical Cyclone Theta at 31.5°N - 18.2°W

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Last observation: 02 Jun 2023 - 13:35 UTC

« 2020 Storms »

10 Nov 2020 - 15 Nov 2020

Approximately 3300 miles from the U.S. east coast

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PTC Theta - RGB Loops
PTC Theta - Channel Loops

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Download images NHC Storm Report - Theta

NHC Storm Description:

15 Nov 2020 - 15:00 UTC ...THETA BECOMES A REMNANT LOW... ...THIS IS THE LAST ADVISORY... As of 3:00 PM GMT Sun Nov 15 the center of Theta was located near 31.5, -18.2 with movement N at 2 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 30 mph.

15 Nov 2020 - 9:00 UTC ...THETA EXPECTED TO BECOME POST-TROPICAL LATER TODAY... As of 9:00 AM GMT Sun Nov 15 the center of Theta was located near 31.8, -18.3 with movement E at 3 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 35 mph.

More storm history

15 Nov 2020 - 3:00 UTC ...THETA IS STILL A SHEARED TROPICAL CYCLONE... As of 3:00 AM GMT Sun Nov 15 the center of Theta was located near 31.7, -18.7 with movement E at 5 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

14 Nov 2020 - 21:00 UTC ...THETA HOLDING ON AS A TROPICAL CYCLONE BUT SHOULD BECOME A REMNANT LOW SOON... As of 9:00 PM GMT Sat Nov 14 the center of Theta was located near 31.7, -19.2 with movement E at 6 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 40 mph.

14 Nov 2020 - 15:00 UTC ...THETA EXPECTED TO BECOME A REMNANT LOW BY TONIGHT... As of 3:00 PM GMT Sat Nov 14 the center of Theta was located near 31.8, -20.2 with movement E at 8 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 40 mph.

14 Nov 2020 - 9:00 UTC ...THETA CONTINUES TO WEAKEN OVER THE FAR EASTERN ATLANTIC... ...EXPECTED TO BECOME A REMNANT LOW LATER TODAY... As of 9:00 AM GMT Sat Nov 14 the center of Theta was located near 32.0, -20.8 with movement E at 8 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 40 mph.

14 Nov 2020 - 3:00 UTC ...THETA BEGINS WEAKENING OVER THE EASTERN ATLANTIC... As of 3:00 AM GMT Sat Nov 14 the center of Theta was located near 31.9, -21.6 with movement E at 10 mph. The minimum central pressure was 995 mb with maximum sustained winds of about 50 mph.

13 Nov 2020 - 21:00 UTC ...THETA EXPECTED TO BEGIN WEAKENING SATURDAY AND BECOME A REMNANT LOW ON SUNDAY... As of 9:00 PM GMT Fri Nov 13 the center of Theta was located near 31.9, -22.6 with movement E at 10 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 60 mph.

13 Nov 2020 - 15:00 UTC ...THETA STILL CONTINUES EASTWARD WITH NO CHANGE IN STRENGTH... As of 3:00 PM GMT Fri Nov 13 the center of Theta was located near 31.7, -23.8 with movement E at 12 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 60 mph.

13 Nov 2020 - 9:00 UTC ...THETA CONTINUES EASTWARD WITH NO CHANGE IN STRENGTH... As of 9:00 AM GMT Fri Nov 13 the center of Theta was located near 31.9, -24.9 with movement E at 12 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 60 mph.

13 Nov 2020 - 3:00 UTC ...THETA SLIGHTLY WEAKER AS IT CONTINUES EASTWARD... As of 3:00 AM GMT Fri Nov 13 the center of Theta was located near 31.7, -26.0 with movement E at 12 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 60 mph.

12 Nov 2020 - 21:00 UTC ...THETA CONTINUES EASTWARD WITH NO CHANGE IN STRENGTH... As of 9:00 PM GMT Thu Nov 12 the center of Theta was located near 31.7, -27.4 with movement E at 12 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 65 mph.

12 Nov 2020 - 15:00 UTC ...THETA NOW MOVING EASTWARD WITH NO CHANGE IN STRENGTH... As of 3:00 PM GMT Thu Nov 12 the center of Theta was located near 31.6, -28.8 with movement E at 12 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 65 mph.

12 Nov 2020 - 9:00 UTC ...THETA MOVING EAST-NORTHEASTWARD WITH LITTLE CHANGE IN STRENGTH... As of 9:00 AM GMT Thu Nov 12 the center of Theta was located near 31.7, -30.2 with movement ENE at 12 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 65 mph.

12 Nov 2020 - 3:00 UTC ...THETA A LITTLE STRONGER AS IT CONTINUES EAST-NORTHEAST... As of 3:00 AM GMT Thu Nov 12 the center of Theta was located near 31.1, -31.4 with movement ENE at 12 mph. The minimum central pressure was 990 mb with maximum sustained winds of about 65 mph.

11 Nov 2020 - 21:00 UTC ...THETA MARCHING EAST-NORTHEASTWARD OVER THE EASTERN ATLANTIC... As of 9:00 PM GMT Wed Nov 11 the center of Theta was located near 30.5, -31.9 with movement ENE at 13 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 60 mph.

11 Nov 2020 - 15:00 UTC ...THETA WEAKENS A LITTLE MORE OVER THE EASTERN ATLANTIC... As of 3:00 PM GMT Wed Nov 11 the center of Theta was located near 29.8, -33.3 with movement ENE at 10 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 60 mph.

11 Nov 2020 - 9:00 UTC ...THETA WEAKENS SLIGHTLY OVER THE EASTERN ATLANTIC... As of 9:00 AM GMT Wed Nov 11 the center of Theta was located near 29.4, -34.7 with movement ENE at 8 mph. The minimum central pressure was 989 mb with maximum sustained winds of about 65 mph.

11 Nov 2020 - 3:00 UTC ...THETA MAINTAINING ITS INTENSITY AS IT MOVES OVER THE OPEN EASTERN ATLANTIC... As of 3:00 AM GMT Wed Nov 11 the center of Theta was located near 29.4, -35.5 with movement ENE at 12 mph. The minimum central pressure was 989 mb with maximum sustained winds of about 70 mph.

10 Nov 2020 - 21:00 UTC ...THETA TRANSITIONS TO A TROPICAL CYCLONE OVER THE EASTERN ATLANTIC... As of 9:00 PM GMT Tue Nov 10 the center of Theta was located near 29.4, -36.2 with movement ENE at 14 mph. The minimum central pressure was 989 mb with maximum sustained winds of about 70 mph.

10 Nov 2020 - 15:00 UTC ...THETA NEAR HURRICANE STRENGTH AS IT CONTINUES HEADING EASTWARD OVER THE EASTERN ATLANTIC... As of 3:00 PM GMT Tue Nov 10 the center of Theta was located near 29.0, -37.4 with movement E at 15 mph. The minimum central pressure was 989 mb with maximum sustained winds of about 70 mph.

10 Nov 2020 - 13:55 UTC ...THETA STRONGER... As of 1:55 PM GMT Tue Nov 10 the center of Theta was located near 28.9, -37.6 with movement E at 16 mph. The minimum central pressure was 989 mb with maximum sustained winds of about 70 mph.

10 Nov 2020 - 9:00 UTC ...THETA EXPECTED TO REMAIN OVER THE EASTERN ATLANTIC FOR THE NEXT SEVERAL DAYS... As of 9:00 AM GMT Tue Nov 10 the center of Theta was located near 28.8, -39.5 with movement E at 12 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 50 mph.

10 Nov 2020 - 3:00 UTC ...SUBTROPICAL STORM FORMS OVER THE OPEN NORTHEAST ATLANTIC... ...RECORD-BREAKING 29TH NAMED STORM OF THE SEASON... As of 3:00 AM GMT Tue Nov 10 the center of Theta was located near 28.8, -40.3 with movement E at 15 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 50 mph.