Jacksonville, FL – It’s getting to be that time of year – 90 degree temps! Jacksonville averages 82 90-degree days a year, with the majority running from late May through early September. The first average 90 degree day at JIA is around the end of April – April 29 to be precise.
Avg. number of 90 degree days per year in the Lower 48:
And so it stands to reason that we see (feel) warmer temperatures. until May as summer approaches:
Since Brian Brettschneider … rainfall this year so far until April 21. Terribly dry west of the Mississippi River for the most part. Patchy drought for the eastern United States, including parts of the interior of southeast Georgia and southern Florida. Jacksonville and NE Fl. were wetter than average. thanks to a very wet month of March that was slightly above average. April.
The World Meteorological Organization (WMO) has removed the “I” from the 2021 list of Atlantic tropical cyclone names. Ida was a powerful category 4 landing in late August on the south coast of Louisiana. ‘I’ happens to have been the most retired letter since the naming convention began in the 1950s – 12 times… 2nd place – 9 names retired – goes to ‘C’ & ‘F’. The list of names for each year is repeated every 6 years, so Ida’s replacement – “Imani” – will appear only in 2027.
Ida damage near New Orleans:
Speaking of hurricanes… the NHC has released its verification report for the 2021 season – basically forecast accuracy – tracking and intensity. The full report is here *. The yearly improvement in accuracy generally continues – not perfect but generally pretty damn good, all things considered.
And the annual NHC webinars for students in grades 3-8 have been scheduled for May 5 at 9 a.m. EDT. Teachers must register *here*.
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