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Tropical Cyclone Model & Best Track Archive for the North Atlantic in 1870

1863 | 1864 | 1865 | 1866 | 1867 | 1868 | 1869 | 1870 | 1871 | 1872 | 1873 | 1874 | 1875 | 1876 | 1877


Select a storm to view model and best track data for that system. This database updates in real time.

Select a year for another year's data:

Return to: Current Storms Page | Main page of this archive

OTHER (NON TD)

< 34 kt (39 mph)

CLASSIFIED TD

< 34 kt (39 mph)

TS

34-63 kt

39-73 mph

CAT 1

64-82 kt

74-95 mph

CAT 2

83-95 kt

96-110 mph

CAT 3

96-112 kt

111-129 mph

CAT 4

113-136 kt

130-156 mph

CAT 5

> 136 kt

> 156 mph

Only named storms & depressions, from this year & basin, appear on the map. Paths contain the time the storm spent as an invest.
Tropical storm and hurricane track colors are based solely on the wind speed even if the development type is known. | Large Map
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Named Storms
Depressions

Hurricane Unnamed (01L)
Highest Sustained Wind: 70 knots
July 30


Hurricane Unnamed (02L)
Highest Sustained Wind: 90 knots
August 30 - September 4


Tropical Storm Unnamed (03L)
Highest Sustained Wind: 60 knots
September 1 - September 4


Major Hurricane Unnamed (04L)
Highest Sustained Wind: 110 knots
September 9 - September 13


Hurricane Unnamed (05L)
Highest Sustained Wind: 80 knots
September 17 - September 20


Major Hurricane Unnamed (06L)
Highest Sustained Wind: 100 knots
October 5 - October 14


Hurricane Unnamed (07L)
Highest Sustained Wind: 70 knots
October 7


Hurricane Unnamed (08L)
Highest Sustained Wind: 70 knots
October 10 - October 11


Hurricane Unnamed (09L)
Highest Sustained Wind: 90 knots
October 19 - October 22


Hurricane Unnamed (10L)
Highest Sustained Wind: 90 knots
October 23


Hurricane Unnamed (11L)
Highest Sustained Wind: 70 knots
October 30 - November 3




No available data.


July
August
September
October
November
01L
02L
03L
04L
05L
06L
07L
08L
09L
10L
11L

Please note that the level of development in the storm name and the highest sustained wind on this page reflect the highest levels achieved during the life of the storm as reported by the best track file for each storm. If a storm is currently active, the current winds and level of development as reported by the best track file are noted in blue. (For the latest wind information on an active storm, please visit the agency responsible for issuing forecasts in the particular basin you are looking at.) Winds on this page are 1 minute sustained.