21 Jan 2025 - 18:43 UTC
Post-tropical Cyclone Alpha at 40.9°N - 6.9°W
Location lookup failed
Last observation: 02 Jun 2023 - 13:35 UTC
« 2020 Storms »
Tracking started: 18 Sep 2020 - 16:30 UTC
Approximately 3700 miles from the U.S. east coast
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NHC Storm Description:
19 Sep 2020 - 3:00 UTC ...SHORT-LIVED ALPHA BECOMES A REMNANT LOW OVER THE DISTRICT OF VISEU PORTUGAL.. ...THIS IS THE LAST ADVISORY... As of 3:00 AM GMT Sat Sep 19 the center of Alpha was located near 40.9, -6.9 with movement NE at 16 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 30 mph.
18 Sep 2020 - 21:00 UTC ...ALPHA MAKES LANDFALL IN PORTUGAL... ...EXPECTED TO DISSIPATE ON SATURDAY... As of 9:00 PM GMT Fri Sep 18 the center of Alpha was located near 40.4, -8.4 with movement NE at 17 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 45 mph.
18 Sep 2020 - 16:30 UTC ...SUBTROPICAL STORM ALPHA FORMS NEAR THE COAST OF PORTUGAL... ...EXPECTED TO BE SHORT-LIVED BUT BRING WINDS AND RAIN TO PORTIONS OF PORTUGAL... As of 4:30 PM GMT Fri Sep 18 the center of Alpha was located near 39.9, -9.3 with movement NE at 17 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.
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Day Convection
RGB used to identify areas of rapid intensification
19 Sep 2020 - 11:00 UTC
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Night Microphysics
RGB used to distinguish clouds from fog
19 Sep 2020 - 11:00 UTC
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Air Mass RGB
RGB composite based on the data from IR and WV
19 Sep 2020 - 11:00 UTC
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Sandwich RGB
Multi-spectral blend combines IR band 13 with visual band 3
19 Sep 2020 - 11:00 UTC
Last update > 1 hour
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