STORM ISAIAS UPDATE

Tues 4:45 PM Update — A review of the day’s weather  shows that the heaviest (5-6 inches) rain fell in the immediate western suburbs as shown below—

Cumulative rain totals (radar estimated)

The NBM did the best with max rain placement and amounts. The GFS and NAM NEST were too far west with the max precipitation.

The forecast wind gusts were overdone by the HIRESW model, but the models did reasonably well predicting the two wind peaks in the late morning and again around 2 PM.

From earlier today…
At 10:35 AM, the heaviest rain is making it through Philadelphia.

10:35 AM RADAR loop. (Courtesy of weathertap.com)

The highest wind gusts will follow shortly, about 11AM to 12 noon.

A second peak in wind gusts about 2 PM—

HIRESW-ARW 5KM wind gust forecast 2PM

Can we get a storm named with a more difficult pronunciation??