Alert archive / Puerto Rico

Severe Thunderstorm Warnings in Puerto Rico

56 severe thunderstorm warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings
56
Busiest year
201116 severe thunderstorm warnings
Average year
3over 17 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

By month of the year

The latest severe thunderstorm warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Oct 5, 2:17 PM CDTSevere Thunderstorm WarningJSJ58 min
Oct 5, 1:08 PM CDTSevere Thunderstorm WarningJSJ37 min
Aug 16, 6:46 PM CDTSevere Thunderstorm WarningJSJ89 min

Nearby

Alerts in force nowTornadoes on recordThe radar archive

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.