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1977 Hurricane FLORENCE (1977264N14236)


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Storm track - Intensity - Wind Radii - Intensity Data - Source Data - All data

Summary Information

Storm ID 1977264N14236
Start Sep 20 12Z
Max Intensity 90 kt (Sep 22 18Z)
End Sep 24 12Z
ATCF IDs EP061977
Track status Best track data.

Storm track plot

Map of storm track

Intensity plots

Map of storm track

Radial wind information

No radial wind information for this storm


Position and Intensity Table

BASIN ISO_TIME_________ NATURE LAT LON WMO WIND USA WIND DS824 WIND TD9636 WIND
days since 1858-11-17 00:00:00 degrees north degrees east degrees north degrees north
EP 1977-09-20 12:00:00 TS 13.90 -124.20 25 25 25
EP 15:00:00 TS 14.00 -124.20 25 25
EP 18:00:00 TS 14.10 -124.30 25 25 25 25
EP 21:00:00 TS 14.20 -124.50 30 30 28
EP 1977-09-21 00:00:00 TS 14.40 -124.80 35 35 35 30
EP 03:00:00 TS 14.50 -125.10 38 38 30
EP 06:00:00 TS 14.60 -125.50 40 40 40 30
EP 09:00:00 TS 14.80 -125.90 43 43 30
EP 12:00:00 TS 14.90 -126.30 45 45 45 30
EP 15:00:00 TS 15.00 -126.60 50 50 39
EP 18:00:00 TS 15.10 -127.00 55 55 55 48
EP 21:00:00 TS 15.40 -127.40 60 60 56
EP 1977-09-22 00:00:00 TS 15.80 -127.80 65 65 65 65
EP 03:00:00 TS 16.10 -128.00 68 68 68
EP 06:00:00 TS 16.40 -128.10 70 70 70 70
EP 09:00:00 TS 16.80 -127.90 75 75 73
EP 12:00:00 TS 17.20 -127.70 80 80 80 75
EP 15:00:00 TS 17.50 -127.50 85 85 79
EP 18:00:00 TS 18.00 -127.30 90 90 90 83
EP 21:00:00 TS 18.70 -126.90 85 85 86
EP 1977-09-23 00:00:00 TS 19.50 -126.40 80 80 80 90
EP 03:00:00 TS 20.40 -126.00 75 75 83
EP 06:00:00 TS 21.30 -125.60 70 70 70 75
EP 09:00:00 TS 22.30 -125.20 65 65 68
EP 12:00:00 TS 23.20 -124.80 60 60 60 60
EP 15:00:00 TS 24.00 -124.30 48 48 53
EP 18:00:00 TS 24.80 -123.80 35 35 35 45
EP 21:00:00 TS 25.50 -123.30 30 30 38
EP 1977-09-24 00:00:00 TS 26.20 -122.80 25 25 25 30
EP 03:00:00 TS 26.70 -122.60 25 25
EP 06:00:00 TS 27.10 -122.50 25 25 25
EP 09:00:00 TS 27.30 -122.40 25 25
EP 12:00:00 NR 27.40 -122.30 25 25 25

Source Information

Agency Information
USA hurdat2-nepac-1949-2023-042624.txt:Line=7181:FLORENCE
TOKYO
CMA
HKO
NEWDELHI
REUNION
BOM
NADI
WELLINGTON
DS824 e_npac.dat:328:FLORENCE
TD9636 cons_worldwide_trop_cyclone_18710101-19891231-002:Line=3709
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 DS824 LAT DS824 LON DS824 STAGE DS824 WIND TD9636 LAT TD9636 LON TD9636 STAGE TD9636 WIND STORM SPEED STORM DIR
Year days since 1858-11-17 00:00:00 degrees north degrees east mb km km degrees north mb nmile degrees north 1 kts mb degrees north degrees north degrees east
1977 EP MM 1977-09-20 12:00:00 TS 13.90 -124.20 25 hurdat_epa 1750 1742 O_________O____ hurdat_epa EP061977 13.90 -124.20 TD 25 -1 13.90 -124.20 TC 25 2 350
1977 EP MM 15:00:00 TS 14.00 -124.20 1742 1742 P_________P____ EP061977 14.00 -124.20 TD 25 -1 14.00 -124.20 TC 25 2 335
1977 EP MM 18:00:00 TS 14.10 -124.30 25 hurdat_epa 1742 1741 O_________OO___ hurdat_epa EP061977 14.10 -124.30 TD 25 -1 14.10 -124.30 TC 25 13.90 -124.20 1 25 4 310
1977 EP MM 21:00:00 TS 14.20 -124.50 1749 1741 P_________PP___ EP061977 14.20 -124.50 TD 30 -1 14.20 -124.50 TC 30 14.20 -124.50 1 28 6 305
1977 EP MM 1977-09-21 00:00:00 TS 14.40 -124.80 35 hurdat_epa 1757 1757 O_________OO___ hurdat_epa EP061977 14.40 -124.80 TS 35 0 14.40 -124.80 TC 35 14.40 -124.80 1 30 7 295
1977 EP MM 03:00:00 TS 14.50 -125.10 1773 1773 P_________PP___ EP061977 14.50 -125.10 TS 38 0 14.50 -125.10 TC 38 14.60 -125.10 1 30 7 285
1977 EP MM 06:00:00 TS 14.60 -125.50 40 hurdat_epa 1797 1797 O_________OP___ hurdat_epa EP061977 14.60 -125.50 TS 40 0 14.60 -125.50 TC 40 14.70 -125.50 1 30 8 290
1977 EP MM 09:00:00 TS 14.80 -125.90 1815 1815 P_________PP___ EP061977 14.80 -125.90 TS 43 0 14.80 -125.90 TC 43 14.80 -125.90 1 30 8 290
1977 EP MM 12:00:00 TS 14.90 -126.30 45 hurdat_epa 1841 1841 O_________OO___ hurdat_epa EP061977 14.90 -126.30 TS 45 0 14.90 -126.30 TC 45 14.90 -126.30 1 30 7 290
1977 EP MM 15:00:00 TS 15.00 -126.60 1857 1857 P_________PP___ EP061977 15.00 -126.60 TS 50 0 15.00 -126.60 TC 50 15.10 -126.70 1 39 7 290
1977 EP MM 18:00:00 TS 15.10 -127.00 55 hurdat_epa 1875 1865 O_________OP___ hurdat_epa EP061977 15.10 -126.90 TS 55 0 15.10 -126.90 TC 55 15.30 -127.20 1 48 9 300
1977 EP MM 21:00:00 TS 15.40 -127.40 1877 1868 P_________PP___ EP061977 15.40 -127.40 TS 60 0 15.40 -127.40 TC 60 15.50 -127.50 1 56 11 310
1977 EP MM 1977-09-22 00:00:00 TS 15.80 -127.80 65 hurdat_epa 1872 1862 O_________OO___ hurdat_epa EP061977 15.80 -127.80 HU 65 1 15.80 -127.80 TC 65 15.80 -127.80 4 65 9 315
1977 EP MM 03:00:00 TS 16.10 -128.00 1862 1845 P_________PP___ EP061977 16.10 -128.00 HU 68 1 16.10 -128.00 TC 68 16.10 -127.90 4 68 7 335
1977 EP MM 06:00:00 TS 16.40 -128.10 70 hurdat_epa 1845 1799 O_________OP___ hurdat_epa EP061977 16.40 -128.10 HU 70 1 16.40 -128.10 TC 70 16.40 -128.00 4 70 7 5
1977 EP MM 09:00:00 TS 16.80 -127.90 1799 1752 P_________PP___ EP061977 16.80 -128.00 HU 75 1 16.80 -128.00 TC 75 16.80 -127.90 4 73 9 25
1977 EP MM 12:00:00 TS 17.20 -127.70 80 hurdat_epa 1752 1713 O_________OO___ hurdat_epa EP061977 17.20 -127.70 HU 80 1 17.20 -127.70 TC 80 17.20 -127.70 4 75 8 30
1977 EP MM 15:00:00 TS 17.50 -127.50 1713 1667 P_________PP___ EP061977 17.50 -127.50 HU 85 2 17.50 -127.50 TC 85 17.70 -127.50 4 79 9 30
1977 EP MM 18:00:00 TS 18.00 -127.30 90 hurdat_epa 1660 1583 O_________OP___ hurdat_epa EP061977 17.90 -127.30 HU 90 2 17.90 -127.30 TC 90 18.20 -127.20 4 83 13 30
1977 EP MM 21:00:00 TS 18.70 -126.90 1576 1477 P_________PP___ EP061977 18.60 -126.90 HU 85 2 18.60 -126.90 TC 85 18.80 -126.80 4 86 18 30
1977 EP MM 1977-09-23 00:00:00 TS 19.50 -126.40 80 hurdat_epa 1477 1388 O_________OO___ hurdat_epa EP061977 19.50 -126.40 HU 80 1 19.50 -126.40 TC 80 19.50 -126.40 4 90 19 25
1977 EP MM 03:00:00 TS 20.40 -126.00 1381 1294 P_________PP___ EP061977 20.40 -126.00 HU 75 1 20.40 -126.00 TC 75 20.40 -126.00 4 83 20 20
1977 EP MM 06:00:00 TS 21.30 -125.60 70 hurdat_epa 1287 1196 O_________OP___ hurdat_epa EP061977 21.30 -125.60 HU 70 1 21.30 -125.60 TC 70 21.30 -125.70 4 75 20 20
1977 EP MM 09:00:00 TS 22.30 -125.20 1190 1103 P_________PP___ EP061977 22.30 -125.20 HU 65 1 22.30 -125.20 TC 65 22.30 -125.20 4 68 21 20
1977 EP MM 12:00:00 TS 23.20 -124.80 60 hurdat_epa 1103 1017 O_________OO___ hurdat_epa EP061977 23.20 -124.80 TS 60 0 23.20 -124.80 TC 60 23.20 -124.80 2 60 20 25
1977 EP MM 15:00:00 TS 24.00 -124.30 1017 934 P_________PP___ EP061977 24.00 -124.30 TS 48 0 24.00 -124.30 TC 48 24.00 -124.30 2 53 18 30
1977 EP MM 18:00:00 TS 24.80 -123.80 35 hurdat_epa 934 860 O_________OP___ hurdat_epa EP061977 24.80 -123.80 TS 35 0 24.80 -123.80 TC 35 24.80 -123.80 2 45 18 35
1977 EP MM 21:00:00 TS 25.50 -123.30 860 790 P_________PP___ EP061977 25.60 -123.20 TS 30 -1 25.60 -123.20 TC 30 25.50 -123.30 2 38 17 35
1977 EP MM 1977-09-24 00:00:00 TS 26.20 -122.80 25 hurdat_epa 790 754 O_________OO___ hurdat_epa EP061977 26.20 -122.80 TD 25 -1 26.20 -122.80 TC 25 26.20 -122.80 1 30 13 25
1977 EP MM 03:00:00 TS 26.70 -122.60 754 724 P_________P____ EP061977 26.70 -122.60 TD 25 -1 26.70 -122.60 TC 25 1 9 15
1977 EP MM 06:00:00 TS 27.10 -122.50 25 hurdat_epa 724 705 O_________O____ hurdat_epa EP061977 27.10 -122.50 TD 25 -1 27.10 -122.50 TC 25 1 6 15
1977 EP MM 09:00:00 TS 27.30 -122.40 705 692 P_________P____ EP061977 27.30 -122.40 TD 25 -1 27.30 -122.40 TC 25 1 3 30
1977 EP MM 12:00:00 NR 27.40 -122.30 25 hurdat_epa 692 O_________O____ hurdat_epa EP061977 27.40 -122.30 ET 25 -4 27.40 -122.30 25 3 45