Tuesday September 15 2020

As of Tuesday morning, the biggest news on Hurricane Sally is the slow forward speed to nearly a crawl at 2 mph. This will expand the amount of time impacting the shrilling of the Gulf region, increasing the rain forecast up to 30 inches in some spots.

The slow down means it will turn inland farther east, with the worst missing New Orleans. But targeting Mississippi and Alabama.

Here is a collection of resources for you to track this storm through landfall and beyond. This includes: Satellite views, live radar, interactive widgets, computer model plots, and National Hurricane Center maps, statements, and warnings.

Satellite Images

Longwave IR- Band 13

The Visible Loop will be ready after sunrise 

  • Increased convection overnight seen in bright white and pink colors.
  • This storm is close to the shore and crawling, but trying to regenerate a little.

goes16_ir_19L_202009150757

 

 

 

National Hurricane Center Update

Hurricane force winds reach 45 miles from the center.

Tropical Storm force winds reach 125 miles.

September 15 weather hurricane sally satellite Tuesday morning
SUMMARY OF 400 AM CDT....INFORMATION
----------------------------------------------
LOCATION...28.9N 88.1W
ABOUT 60 MI...100 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER
ABOUT 115 MI...185 KM SSE OF BILOXI MISSISSIPPI
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 2 MPH...4 KM/H
MINIMUM CENTRAL PRESSURE...983 MB...29.03 INCHES

 

 

 

Radar and Lightning: Live Auto Updating

 

 

Computer Model Forecast Plots

 

The center of the projections are now well east of New Orleans. This is due to the slower forward movement, and it could still drift for a while. That makes the inland impact subject to other weather systems. For now it appears it will remain in the SouthEast US.

September 15 hurricane sally computer forecast tracks

 

Forecast Widget- Auto Updating

Wind, Cloud,  and Pressure Levels Projected

  • This is a forecast view.
  • You can see the future cast using the button at the bottom of the map.
  • Pinch to move and zoom in on the map.

 

 

 

National Hurricane Center Forecast Maps

 

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Storm Surge Warning is in effect for...
* Mouth of the Mississippi River to the Okaloosa/Walton County Line 
Florida
* Mobile Bay

A Hurricane Warning is in effect for...
* East of the Mouth of the Pearl River to the Navarre Florida

A Tropical Storm Warning is in effect for...
* East of Navarre Florida to Indian Pass Florida
* Mouth of the Pearl River westward to Grand Isle Louisiana,
including Lake Pontchartrain and Lake Maurepas and metropolitan
New Orleans

 

National Hurricane Center Maps (auto updating)

 

Peak Storm Surge From National Hurricane Center

The forecast track would funnel water from the east into Lake Pontchartain putting a full test of the water pump system in New Orleans.

 

 

Rainfall Forecast

A wide range of 10 to 20+ inches forecast. The heaviest would be along and east of the center. If the storm slows down, more could fall.

 

Flash Flood Forecast

Also See:

Public Advisory

Forecast Advisory

Discussion

Wind Probabilities

 

Coastal Inundation Page
Tropical Storm Sally Coastal Innundation

All GOES EAST Satellite ‘Floater’ views

Click to view in a new page

Hurricane Laura satellite floater views

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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