1931
 Tropical Storm UNNAMED  (1931287N25284)
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 Storm track
 - 
 Intensity
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 Wind Radii
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 Intensity Data
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 Source Data
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 All data
Summary Information
|  | 
| Storm ID | 1931287N25284 |  
| Start | Oct 13 12Z |  
| Max Intensity | 40 kt (Oct 15 18Z) |  
| End | Oct 16 12Z |  
| ATCF IDs | AL091931 |  
| Track status | Best track data. |  | 
| Storm track plot  
 | Intensity plots  
 | Radial wind informationNo radial wind information for this storm | 
Position and Intensity Table
| BASIN | ISO_TIME_________ | NATURE | LAT | LON | WMO WIND | USA WIND | 
|  |  |  | degrees north | degrees east | kts | kts | 
| NA | 1931-10-13 12:00:00 | TS | 24.80 | -75.60 | 30 | 30 | 
| NA | 15:00:00 | TS | 25.00 | -75.90 |  | 30 | 
| NA | 18:00:00 | TS | 25.10 | -76.20 | 30 | 30 | 
| NA | 21:00:00 | TS | 25.20 | -76.50 |  | 30 | 
| NA | 1931-10-14 00:00:00 | TS | 25.40 | -76.90 | 30 | 30 | 
| NA | 03:00:00 | TS | 25.60 | -77.30 |  | 30 | 
| NA | 06:00:00 | TS | 25.80 | -77.60 | 30 | 30 | 
| NA | 09:00:00 | TS | 26.00 | -77.90 |  | 30 | 
| NA | 12:00:00 | TS | 26.20 | -78.10 | 30 | 30 | 
| NA | 15:00:00 | TS | 26.40 | -78.10 |  | 30 | 
| NA | 18:00:00 | TS | 26.70 | -78.10 | 30 | 30 | 
| NA | 21:00:00 | TS | 27.00 | -78.10 |  | 30 | 
| NA | 1931-10-15 00:00:00 | TS | 27.30 | -78.00 | 30 | 30 | 
| NA | 03:00:00 | TS | 27.60 | -77.90 |  | 33 | 
| NA | 06:00:00 | TS | 27.90 | -77.80 | 35 | 35 | 
| NA | 09:00:00 | TS | 28.20 | -77.70 |  | 35 | 
| NA | 12:00:00 | TS | 28.50 | -77.40 | 35 | 35 | 
| NA | 15:00:00 | TS | 28.80 | -76.90 |  | 38 | 
| NA | 18:00:00 | TS | 29.10 | -76.10 | 40 | 40 | 
| NA | 21:00:00 | TS | 29.50 | -75.10 |  | 40 | 
| NA | 1931-10-16 00:00:00 | TS | 30.00 | -74.00 | 40 | 40 | 
| NA | 03:00:00 | TS | 30.50 | -72.90 |  | 40 | 
| NA | 06:00:00 | TS | 31.10 | -71.80 | 40 | 40 | 
| NA | 09:00:00 | TS | 31.80 | -70.50 |  | 38 | 
| NA | 12:00:00 | ET | 32.50 | -69.20 | 35 | 35 | 
Source Information
| Agency | Information | 
| USA | hurdat2-atl-1851-2023-042624b.txt:Line=16857:UNNAMED | 
| TOKYO |  | 
| CMA |  | 
| HKO |  | 
| KMA |  | 
| NEWDELHI |  | 
| REUNION |  | 
| BOM |  | 
| NADI |  | 
| WELLINGTON |  | 
| DS824 |  | 
| TD9636 |  | 
| TD9635 |  | 
| NEUMANN |  | 
| MLC |  | 
All available IBTrACS Data
| SEASON | BASIN | SUBBASIN | ISO_TIME_________ | NATURE | LAT | LON | WMO WIND | WMO AGENCY | DIST2LAND | LANDFALL | IFLAG | USA AGENCY | USA ATCF_ID | USA LAT | USA LON | USA STATUS | USA WIND | USA SSHS | STORM SPEED | STORM DIR | 
| Year |  |  |  |  | degrees north | degrees east | kts |  | km | km |  |  |  | degrees north | degrees east |  | kts | 1 | kts | degrees | 
| 1931 | NA | NA | 1931-10-13 12:00:00 | TS | 24.80 | -75.60 | 30 | hurdat_atl | 214 | 187 | O______________ | hurdat_atl | AL091931 | 24.80 | -75.60 | TD | 30 | -1 | 6 | 300 | 
| 1931 | NA | NA | 15:00:00 | TS | 25.00 | -75.90 |  |  | 190 | 165 | P______________ |  | AL091931 | 25.00 | -75.90 | TD | 30 | -1 | 6 | 300 | 
| 1931 | NA | NA | 18:00:00 | TS | 25.10 | -76.20 | 30 | hurdat_atl | 165 | 142 | O______________ | hurdat_atl | AL091931 | 25.10 | -76.20 | TD | 30 | -1 | 7 | 295 | 
| 1931 | NA | NA | 21:00:00 | TS | 25.20 | -76.50 |  |  | 142 | 115 | P______________ |  | AL091931 | 25.20 | -76.50 | TD | 30 | -1 | 7 | 295 | 
| 1931 | NA | NA | 1931-10-14 00:00:00 | TS | 25.40 | -76.90 | 30 | hurdat_atl | 115 | 91 | O______________ | hurdat_atl | AL091931 | 25.40 | -76.90 | TD | 30 | -1 | 7 | 300 | 
| 1931 | NA | NA | 03:00:00 | TS | 25.60 | -77.30 |  |  | 89 | 82 | P______________ |  | AL091931 | 25.60 | -77.30 | TD | 30 | -1 | 7 | 300 | 
| 1931 | NA | NA | 06:00:00 | TS | 25.80 | -77.60 | 30 | hurdat_atl | 87 | 83 | O______________ | hurdat_atl | AL091931 | 25.80 | -77.60 | TD | 30 | -1 | 7 | 305 | 
| 1931 | NA | NA | 09:00:00 | TS | 26.00 | -77.90 |  |  | 101 | 100 | P______________ |  | AL091931 | 26.00 | -77.90 | TD | 30 | -1 | 6 | 310 | 
| 1931 | NA | NA | 12:00:00 | TS | 26.20 | -78.10 | 30 | hurdat_atl | 122 | 122 | O______________ | hurdat_atl | AL091931 | 26.20 | -78.10 | TD | 30 | -1 | 5 | 335 | 
| 1931 | NA | NA | 15:00:00 | TS | 26.40 | -78.10 |  |  | 145 | 145 | P______________ |  | AL091931 | 26.40 | -78.10 | TD | 30 | -1 | 5 | 0 | 
| 1931 | NA | NA | 18:00:00 | TS | 26.70 | -78.10 | 30 | hurdat_atl | 178 | 178 | O______________ | hurdat_atl | AL091931 | 26.70 | -78.10 | TD | 30 | -1 | 6 | 5 | 
| 1931 | NA | NA | 21:00:00 | TS | 27.00 | -78.10 |  |  | 189 | 189 | P______________ |  | AL091931 | 27.00 | -78.10 | TD | 30 | -1 | 6 | 10 | 
| 1931 | NA | NA | 1931-10-15 00:00:00 | TS | 27.30 | -78.00 | 30 | hurdat_atl | 205 | 205 | O______________ | hurdat_atl | AL091931 | 27.30 | -78.00 | TD | 30 | -1 | 6 | 10 | 
| 1931 | NA | NA | 03:00:00 | TS | 27.60 | -77.90 |  |  | 225 | 225 | P______________ |  | AL091931 | 27.60 | -77.90 | TD | 33 | -1 | 6 | 15 | 
| 1931 | NA | NA | 06:00:00 | TS | 27.90 | -77.80 | 35 | hurdat_atl | 247 | 247 | O______________ | hurdat_atl | AL091931 | 27.90 | -77.80 | TS | 35 | 0 | 6 | 20 | 
| 1931 | NA | NA | 09:00:00 | TS | 28.20 | -77.70 |  |  | 270 | 270 | P______________ |  | AL091931 | 28.20 | -77.70 | TS | 35 | 0 | 7 | 30 | 
| 1931 | NA | NA | 12:00:00 | TS | 28.50 | -77.40 | 35 | hurdat_atl | 302 | 302 | O______________ | hurdat_atl | AL091931 | 28.50 | -77.40 | TS | 35 | 0 | 9 | 50 | 
| 1931 | NA | NA | 15:00:00 | TS | 28.80 | -76.90 |  |  | 352 | 352 | P______________ |  | AL091931 | 28.80 | -76.90 | TS | 38 | 0 | 13 | 60 | 
| 1931 | NA | NA | 18:00:00 | TS | 29.10 | -76.10 | 40 | hurdat_atl | 433 | 433 | O______________ | hurdat_atl | AL091931 | 29.10 | -76.10 | TS | 40 | 0 | 17 | 65 | 
| 1931 | NA | NA | 21:00:00 | TS | 29.50 | -75.10 |  |  | 536 | 536 | P______________ |  | AL091931 | 29.50 | -75.10 | TS | 40 | 0 | 20 | 65 | 
| 1931 | NA | NA | 1931-10-16 00:00:00 | TS | 30.00 | -74.00 | 40 | hurdat_atl | 574 | 565 | O______________ | hurdat_atl | AL091931 | 30.00 | -74.00 | TS | 40 | 0 | 21 | 60 | 
| 1931 | NA | NA | 03:00:00 | TS | 30.50 | -72.90 |  |  | 576 | 573 | P______________ |  | AL091931 | 30.50 | -72.90 | TS | 40 | 0 | 22 | 60 | 
| 1931 | NA | NA | 06:00:00 | TS | 31.10 | -71.80 | 40 | hurdat_atl | 593 | 593 | O______________ | hurdat_atl | AL091931 | 31.10 | -71.80 | TS | 40 | 0 | 24 | 60 | 
| 1931 | NA | NA | 09:00:00 | TS | 31.80 | -70.50 |  |  | 639 | 639 | P______________ |  | AL091931 | 31.80 | -70.50 | TS | 38 | 0 | 26 | 60 | 
| 1931 | NA | NA | 12:00:00 | ET | 32.50 | -69.20 | 35 | hurdat_atl | 685 |  | O______________ | hurdat_atl | AL091931 | 32.50 | -69.20 | EX | 35 | -4 | 27 | 55 |