Alert archive / Puerto Rico / Special Marine Warnings

Special Marine Warnings in Puerto Rico, 2021

36 special marine warnings in 2021. 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 special marine warnings reaches back to 1986.

Special Marine Warnings
36
Busiest month
July12 special marine warnings
Busiest day
May 23, 20218 special marine warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
May 19, 7:11 PM CDTSpecial Marine WarningJSJ64 min
May 19, 9:16 PM CDTSpecial Marine WarningJSJ59 min
May 22, 9:45 PM CDTSpecial Marine WarningJSJ30 min
May 23, 10:55 AM CDTSpecial Marine WarningJSJ50 min
May 23, 11:00 AM CDTSpecial Marine WarningJSJ45 min
May 23, 11:52 AM CDTSpecial Marine WarningJSJ38 min
May 23, 12:18 PM CDTSpecial Marine WarningJSJ57 min
May 23, 1:10 PM CDTSpecial Marine WarningJSJ65 min
May 23, 2:46 PM CDTSpecial Marine WarningJSJ59 min
May 23, 3:30 PM CDTSpecial Marine WarningJSJ60 min
Jun 10, 11:26 AM CDTSpecial Marine WarningJSJ94 min
Jul 1, 1:29 PM CDTSpecial Marine WarningJSJ91 min
Jul 3, 4:13 AM CDTSpecial Marine WarningJSJ92 min
Jul 3, 8:37 AM CDTSpecial Marine WarningJSJ53 min
Jul 11, 6:52 AM CDTSpecial Marine WarningJSJ23 min
Jul 11, 8:08 AM CDTSpecial Marine WarningJSJ52 min
Jul 11, 8:58 AM CDTSpecial Marine WarningJSJ47 min
Jul 11, 11:40 AM CDTSpecial Marine WarningJSJ50 min
Jul 11, 2:00 PM CDTSpecial Marine WarningJSJ30 min
Jul 25, 3:52 PM CDTSpecial Marine WarningJSJ53 min
Jul 25, 5:42 PM CDTSpecial Marine WarningJSJ48 min
Jul 25, 7:26 PM CDTSpecial Marine WarningJSJ94 min
Jul 25, 7:59 PM CDTSpecial Marine WarningJSJ91 min
Aug 15, 6:02 PM CDTSpecial Marine WarningJSJ43 min
Aug 20, 5:12 PM CDTSpecial Marine WarningJSJ63 min
Aug 20, 6:12 PM CDTSpecial Marine WarningJSJ63 min
Sep 11, 1:49 PM CDTSpecial Marine WarningJSJ41 min
Sep 13, 8:05 PM CDTSpecial Marine WarningJSJ40 min
Sep 13, 8:38 PM CDTSpecial Marine WarningJSJ52 min
Sep 14, 4:35 PM CDTSpecial Marine WarningJSJ55 min
Sep 14, 5:23 PM CDTSpecial Marine WarningJSJ37 min
Sep 15, 5:19 AM CDTSpecial Marine WarningJSJ41 min
Sep 15, 3:33 PM CDTSpecial Marine WarningJSJ42 min
Oct 7, 5:14 PM CDTSpecial Marine WarningJSJ61 min
Oct 11, 12:39 PM CDTSpecial Marine WarningJSJ66 min
Oct 21, 3:16 AM CDTSpecial Marine WarningJSJ44 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 23, 20218special marine warnings
  2. July 11, 20215special marine warnings
  3. September 14, 20214special marine warnings
  4. May 20, 20212special marine warnings
  5. July 3, 20212special marine warnings
  6. July 25, 20212special marine warnings
  7. July 26, 20212special marine warnings
  8. August 20, 20212special marine warnings
  9. September 15, 20212special marine warnings
  10. June 10, 20211special marine warnings
  11. July 1, 20211special marine warnings
  12. August 15, 20211special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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. Warning verification from the Mesonet's Cow. Rebuilt daily.