Blanca was a TS Atlantic tropical cyclone that existed from May 30 to June 5, 2021 (7 days). It reached peak winds of 57 mph (50 kt) and a minimum central pressure of 998 mb.
The National Hurricane Center's official post-storm analysis is published as a detailed PDF report — meteorological history, casualties, damage assessment, forecast performance, and synoptic discussion.
Read NHC's full report on Blanca → (opens at nhc.noaa.gov)| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2021-05-30 12:00 | LO | 10.80 | -102.90 | 30 | 1007 | |
| 2021-05-30 18:00 | TD | 11.20 | -103.70 | 30 | 1007 | |
| 2021-05-31 00:00 | TD | 11.60 | -104.70 | 30 | 1007 | |
| 2021-05-31 06:00 | TD | 12.00 | -106.00 | 30 | 1006 | |
| 2021-05-31 12:00 | TS | 12.50 | -107.20 | 35 | 1004 | |
| 2021-05-31 18:00 | TS | 13.10 | -108.20 | 40 | 1002 | |
| 2021-06-01 00:00 | TS | 13.60 | -109.00 | 45 | 1000 | |
| 2021-06-01 06:00 | TS | 13.90 | -109.50 | 50 | 998 | |
| 2021-06-01 12:00 | TS | 14.20 | -110.00 | 50 | 999 | |
| 2021-06-01 18:00 | TS | 14.60 | -110.60 | 45 | 1000 | |
| 2021-06-02 00:00 | TS | 14.80 | -111.20 | 45 | 1001 | |
| 2021-06-02 06:00 | TS | 15.00 | -111.70 | 40 | 1002 | |
| 2021-06-02 12:00 | TS | 15.20 | -112.10 | 35 | 1004 | |
| 2021-06-02 18:00 | TD | 15.40 | -112.60 | 30 | 1005 | |
| 2021-06-03 00:00 | TD | 15.50 | -113.00 | 30 | 1005 | |
| 2021-06-03 06:00 | TD | 15.50 | -113.30 | 30 | 1005 | |
| 2021-06-03 12:00 | TD | 15.50 | -113.70 | 30 | 1005 | |
| 2021-06-03 18:00 | TD | 15.50 | -114.00 | 30 | 1005 | |
| 2021-06-04 00:00 | LO | 15.70 | -114.50 | 25 | 1007 | |
| 2021-06-04 06:00 | LO | 16.10 | -115.10 | 25 | 1007 | |
| 2021-06-04 12:00 | LO | 16.30 | -116.00 | 25 | 1007 | |
| 2021-06-04 18:00 | LO | 16.30 | -116.80 | 25 | 1007 | |
| 2021-06-05 00:00 | LO | 16.20 | -117.60 | 25 | 1007 | |
| 2021-06-05 06:00 | LO | 16.10 | -118.30 | 20 | 1008 | |
| 2021-06-05 12:00 | LO | 16.20 | -119.00 | 20 | 1009 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.