Alert archive / Georgia / Mesoscale Discussions in 2020

Mesoscale Discussion 1698

September 16, 2020Duval County, Nassau County, Florida; 6 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Sep 16, 2020, 7:34 PM EDT for Duval County, Nassau County, Florida; 6 counties in Georgia. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Sep 16, 2020, 7:34 PM EDT (23:34 UTC)
Expired
Sep 16, 2020, 9:30 PM EDT
In force
116 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%

Counties Duval County, FL, Nassau County, FL, Brantley County, GA, Camden County, GA, Charlton County, GA, Glynn County, GA, McIntosh County, GA, Ware County, GA

The radar

The Jacksonville radar (KJAX), 41 km from the middle of the area, began a volume at 23:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 8:45 PM EDTMesoscale DiscussionSPCBay, Escambia, Franklin, Gulf, Okaloosa, Walton2 hr
Sep 16, 12:09 AM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gulf, Liberty and 4 more2 hr
Sep 16, 5:14 AM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 7 more2 hr
Sep 16, 6:55 AM EDTTornado WatchSPCBay, Calhoun, Dixie, Escambia, Franklin, Gadsden and 14 more14 hr
Sep 16, 12:18 PM EDTMesoscale DiscussionSPCBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 6 more102 min
Sep 16, 3:08 PM EDTMesoscale DiscussionSPCGadsden, Jefferson, Leon, Madison, Wakulla2 hr

Nearby

Mesoscale Discussions in Georgia, 2020Mesoscale Discussions in Florida, 2020Every mesoscale discussion in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.