- 01E.Alvin - Tropical Storm
- Best status from NRL: 45 kts 1009 mb
- 90E.INVEST first appeared 2013-05-12, 1800z @ 6.5°N 91.6°W
- Tropical Depression One-E from NHC 2013-05-15, 1500z @ 8.2°N 103.6°W
- Tropical Storm Alvin from NHC 2013-05-15, 2100z @ 8.7°N 105.1°W
RSMC Miami Tropical Cyclone Advisories
- 91E.INVEST
- Best status from NRL: 20 kts 1009 mb
- 91E.INVEST first appeared 2013-05-23, 0430z @ 10.4°N 101.8°W
- 90C.INVEST
- Best status from NRL: 20 kts 1009 mb
- 90C.INVEST first appeared 2013-05-25, 1100z @ 19.0°N 155.0°W
- 92E.INVEST
- Best status from NRL: 20 kts 1009 mb
- 92E.INVEST first appeared 2013-05-26, 0630z @ 11.4°N 91.2°W
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