San Juan,Puerto Rico's history with tropical systems
Current weather

(br)=brush (ts)=Tropical Storm (bd)=Back Door,meaning coming from over land from opposite coast.Not all names are noted,also storms before 1950 were not named.Not every stat on every storm description is given.(since 1871)

Years within or near core
1947tsbr,1949tsbr,1956,1979ts,1981ts,1984tsbr,1989,1995br,1996-2br,1998,2004ts,2007subts,2011,2014tsbr,2015tsbr,(2017br,2017 not in stats)
41 times in 145yrs end of 2016

Names from list above

Tropical Storm to Hurricane ratio
TS=21, 51.22% H=20, 48.78%

Longest gap between storms
22 years 1956-1979

How often this area gets affected?
brushed or hit every 3.54 years

Average years between direct hurricane hits.( hurricane force winds for a few hours)
(11h)once every 13.18 years

Average MPH of hurricane hits. (based on advisories sustained winds, not gusts)
114 mph

Statistically when this area should be affected next
affected in 2017
This is just a statistical average & does not mean the area will be affected by that year

Last affected by
2017 Sept 20th Hurricane maria hits just south by 10 miles with 150mph winds while moving N.W causing heavy damage.

This areas hurricane past
1876 sept 13th 105mph from the east reports of 19 killed but historians suspect the spanish government withheld death toll & damage info.
1893 Aug 16th,115mph from the S.E
1899 A severe hurricane comes in from the ESE on Aug 8th. Winds at approach on SE Puerto Rico were est at 140mph. 3,369 deaths reported in Puerto Rico.Closest approach of eye to San Juan was approx 28 miles.
1916 Aug 22nd,press 29.44 ,95mph with 92mph for 10 min Area of destruction was probably 45 or 50 miles wide and time or passing about two and a quarter hours from the ESE
1928 sept 13th, 160mph from the S.E, 135mph recorded for 5 min press 27.50 top gust 165mph 312 killed in puerto rico.Hotel palace & union club roofs blown off thousands of homes flattened. US president asking for help | Newspaper Article
1931 Sept 11th,85mph from the east
1932 Sept 27th,145mph (hurdat) from the east press 27.70 east of san juan gusts to 120mph 255 killed.75,000 homes destroyed Newspaper article | Aftermath video
1956 Hurricane Betsy Aug 12th,90mph from the S.E
1989 Sept 18th, 125mph from the S.E Hurricane Hugo Passes just NE of San Juan with the core passing over Culebra causing extensive damage.
1998 Sept 21st,hurricane Georges 115mph over entire island just south of san juan from the ESE causes 2 bill dollars damage killing 12,heavier damage was to the east of here.In Puerto rico over 28,000 homes destroyed & 72,000 damaged av model error | radar at landfall
2011 Aug 22nd, Irene becomes a hurricane with 75mph winds while moving WNW just west of here. San Juan clocked a wind gust to 59mph on the 22nd and received 12.25 inches of rain from Aug 21-24. Hurricane force winds remained out over water north of the center. Irene model history
2017 Sept 20th Hurricane Maria hits just south by 10 miles with 150mph winds while moving N.W causing heavy damage. power outages from space | Relief concert 5 former presidents attend | Our coverage upon approach

Text Sources:The Major Hurricanes to affect the Bahamas Wayne Neely.....Hurricane Watch Dr. Bob Sheets & Jack Williams.....Inside the Hurricane Pete Davies.....The Ship & the Storm Jim Carrier.....Lunatic Wind William Price Fox...Sudden Sea R.A Scotti.....Hurricane Almanac Bryan Norcross.....Divine Wind Kerry Emanuel.....Florida's Hurricane History Jay Barnes.....Stormscaping Pamela Crawford.....Hurricanes and the Middle Atlantic States Rick Scwartz..... Killer Cane Robert Mykle..... Isaac's Storm Erik Larson.....Florida Hurricanes & Tropical Storms John M. Williams & Iver W.Duedall.....Path of destruction John McQuaid & Mark Schleifstein.....Sun sentinel newspaper(microfilm).....Miami Herald newspaper(microfilm).....NOAA research (calculations) Jim many more.............
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