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Hurricane Season:1971

Individual hurricane/tropical storm summary.
Including all wind speed, central pressure, position, tracking chart, and storm category information for each hurricane or tropical storm advisory issued.
1971 Hurricane Season - back to view information on this year's hurricane season.
Maximum Wind speed:116mph (100 knots) mph (miles per hour) for ILSA
Lowest central pressure:978 mb (millibars) for ILSA
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Storm name:ILSA
Maximum wind speed:116 mph, (100 knots)
Lowest central pressure:978
Advisory Start Date:1971/7/31/0600Z
Advisory End Date:1971/8/8/1200Z



Full year storm tracks:

hurricane

Storm name:ILSA
Maximum wind speed:116 mph, (100 knots)
Lowest central pressure:978
Advisory Start Date:1971/7/31/0600Z
Advisory End Date:1971/8/8/1200Z

Name:ILSA/Date:1971/7/31/0600Z/Latitude:12.000/Longitude:-99.200/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/7/31/1200Z/Latitude:12.100/Longitude:-100.100/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/7/31/1800Z/Latitude:12.300/Longitude:-101.000/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/1/0000Z/Latitude:12.500/Longitude:-101.800/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/1/0600Z/Latitude:13.400/Longitude:-103.700/Wind:52mph (45 knots) /Central Pressure:0/Category:Tropical Storm
Name:ILSA/Date:1971/8/1/1200Z/Latitude:14.500/Longitude:-105.400/Wind:87mph (75 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/1/1800Z/Latitude:15.500/Longitude:-106.300/Wind:87mph (75 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/2/0000Z/Latitude:16.200/Longitude:-107.200/Wind:87mph (75 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/2/0600Z/Latitude:16.500/Longitude:-108.200/Wind:87mph (75 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/2/1200Z/Latitude:16.800/Longitude:-109.200/Wind:87mph (75 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/2/1800Z/Latitude:17.100/Longitude:-110.100/Wind:87mph (75 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/3/0000Z/Latitude:17.500/Longitude:-110.800/Wind:104mph (90 knots) /Central Pressure:0/Category:Hurricane - Category 2
Name:ILSA/Date:1971/8/3/0600Z/Latitude:17.800/Longitude:-111.200/Wind:116mph (100 knots) /Central Pressure:0/Category:Hurricane - Category 3
Name:ILSA/Date:1971/8/3/1200Z/Latitude:18.200/Longitude:-111.500/Wind:116mph (100 knots) /Central Pressure:0/Category:Hurricane - Category 3
Name:ILSA/Date:1971/8/3/1800Z/Latitude:18.500/Longitude:-111.800/Wind:93mph (80 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/4/0000Z/Latitude:18.800/Longitude:-112.000/Wind:75mph (65 knots) /Central Pressure:978/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/4/0600Z/Latitude:19.100/Longitude:-112.200/Wind:75mph (65 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/4/1200Z/Latitude:19.500/Longitude:-112.500/Wind:75mph (65 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/4/1800Z/Latitude:20.100/Longitude:-112.800/Wind:75mph (65 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/5/0000Z/Latitude:20.800/Longitude:-113.500/Wind:75mph (65 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/5/0600Z/Latitude:21.200/Longitude:-114.600/Wind:75mph (65 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/5/1200Z/Latitude:21.600/Longitude:-115.800/Wind:75mph (65 knots) /Central Pressure:0/Category:Hurricane - Category 1
Name:ILSA/Date:1971/8/5/1800Z/Latitude:22.000/Longitude:-117.000/Wind:52mph (45 knots) /Central Pressure:988/Category:Tropical Storm
Name:ILSA/Date:1971/8/6/0000Z/Latitude:22.500/Longitude:-118.200/Wind:52mph (45 knots) /Central Pressure:0/Category:Tropical Storm
Name:ILSA/Date:1971/8/6/0600Z/Latitude:22.900/Longitude:-119.400/Wind:52mph (45 knots) /Central Pressure:0/Category:Tropical Storm
Name:ILSA/Date:1971/8/6/1200Z/Latitude:23.400/Longitude:-120.500/Wind:52mph (45 knots) /Central Pressure:0/Category:Tropical Storm
Name:ILSA/Date:1971/8/6/1800Z/Latitude:23.800/Longitude:-121.700/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/7/0000Z/Latitude:23.800/Longitude:-122.900/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/7/0600Z/Latitude:23.500/Longitude:-123.600/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/7/1200Z/Latitude:23.100/Longitude:-124.200/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/7/1800Z/Latitude:22.900/Longitude:-124.900/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/8/0000Z/Latitude:22.700/Longitude:-125.600/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/8/0600Z/Latitude:22.500/Longitude:-126.300/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression
Name:ILSA/Date:1971/8/8/1200Z/Latitude:22.300/Longitude:-127.100/Wind:29mph (25 knots) /Central Pressure:0/Category:Tropical Depression


1971 Hurricane Season page
All information from the official hurricane advisories or widely agreed upon historical records.
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Official Hurricane and Tropical Storm Tracks for the East-Central Pacific


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Historical data for hurricanes from the NHC records.