Sunday August 2 2020

Tropical Storm Isaias has tried to gain some strength today off of the coast of Florida. More importantly the track seems to have settled in to pass through Maryland on Tuesday. Since it will be moving faster, it will hold on to more intensity and will impact a lot of our region. Now is the time to take this seriously and come up with a plan. I will highlight them below.

I am doing this report in revers. Let’s look at each watch and corresponding forecast first. Then take a look at update on Tropical Storm Isaias, with the satellite and forecast track below.

There are two watches in place for the region.

  • Tropical Storm Watch for winds between 39 and 57 mph
  • Flash Flood Watch for a larger area that will get in on the heavy rain.


Tropical Storm Watch

The prime impact will be during the day on Tuesday:

Tropical Storm Watch Isaias Maryland Delaware Auguat 2


Wind Forecast

I am using the NAM 3Km model for now.  This shows the center of Isais crossings the lower Chesapeake Bay early Tuesday afternoon.

I will fine tune this for the model I think if performing best in my next post.

Wind Speed (average)

Tropical Storm Isaias wind forecast Maryland Weather August 2


Wind Gust (peak wind)

Tropical Storm Isaias wind gusts Maryland Weather August 2


Note: These wind speeds can move outside objects to your neighbors. It can also take down trees and power lines. This evening or Monday plan some time to secure outdoor furniture, boats (if you have one), and regular storms supplies of food, water and batteries

Flash Flood Watch

Tropical Storm Isaias Flood Watch Maryland Weather August 2


Rain Forecast

Much of Maryland around the Bay is expecting between the low end of 2 inches to 6 inches of rain on the high end.

Tropical Storm Isaias Maryland Weather rain August 2


Tropical Storm Isaias: Update from 5 PM

Tropical Storm Isaias Satellite stats August 2

Tropical Storm Force Winds extend 115 miles from the center

The bulk of the activity remains on the eastern side of the center, but it is starting to wrap around.


Satellite Loop

The visible satellite stripped of color shows a much better view of the cloud structure.



Forecast Track

Tropical Storm Isaias Forecast Track Sunday August 2


Watches and Warnings

A watch means it might happen within 48 hours.

A Warning means it is likely to happen within 36 hours. This is different than severe storms, giving the public time to prepare.

A Storm Surge Warning is in effect for...
* Edisto Beach South Carolina to Cape Fear North Carolina

A Storm Surge Watch is in effect for...
* Cape Fear to Duck North Carolina
* Pamlico and Albemarle Sounds

A Hurricane Watch is in effect for...
* South Santee River South Carolina to Surf City North Carolina

A Tropical Storm Warning is in effect for...
* Sebastian Inlet Florida to Ocracoke Inlet North Carolina

A Tropical Storm Watch is in effect for...
* Ocracoke Inlet North Carolina to Watch Hill Rhode Island
* Pamlico and Albemarle Sounds
* Chesapeake Bay
* Tidal Potomac River
* Delaware Bay
* Long Island and Long Island Sound

Related Posts

2020 Tropical Storm and Hurricane Names and Naming History

Tropical Storm Hurricane History


Atlantic Tropical History: Maps of Origin Regions Every 10 Days

13_Tropical Storm Formation Sep11_20



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Maryland Strong Love ❤️ 

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Water Spout OR Scud Cloud on videos and photos near Middle River Maryland


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