Alert archive / Georgia / Mesoscale Discussions in 2009

Mesoscale Discussion 351

March 31, 20098 counties in Florida; 9 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 31, 2009, 5:17 PM EDT for 8 counties in Florida; 9 counties in Georgia. It was in force for 28 min.

The area

The outline as issued.

The facts

Issued: Mar 31, 2009, 5:17 PM EDT (21:17 UTC)
Expired: Mar 31, 2009, 5:45 PM EDT
In force: 28 min
Issued by: the Storm Prediction Center

Counties Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Nassau County, FL, Saint Johns County, FL, Union County, FL, Bacon County, GA, Brantley County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Glynn County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA

The radar

The Jacksonville radar (KJAX), 24 km from the middle of the area, began a volume at 21:20 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 99Mar 31, 5:25 PM EDT

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 31, 12:32 PM EDT	Mesoscale Discussion	SPC	Escambia, Holmes, Okaloosa, Santa Rosa, Walton	88 min
Mar 31, 2:05 PM EDT	Severe Thunderstorm Watch	SPC	Bay, Calhoun, Dixie, Escambia, Franklin, Gadsden and 14 more	8 hr
Mar 31, 4:15 PM EDT	Mesoscale Discussion	SPC	Bay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 10 more	90 min
Mar 31, 5:25 PM EDT	Severe Thunderstorm Watch	SPC	Baker, Columbia, Duval, Gilchrist, Hamilton, Nassau and 2 more	7 hr
Mar 31, 6:12 PM EDT	Mesoscale Discussion	SPC	Bay, Calhoun, Escambia, Gadsden, Gulf, Holmes and 11 more	93 min
Mar 31, 7:59 PM EDT	Mesoscale Discussion	SPC	Baker, Columbia, Hamilton, Jefferson, Lafayette, Leon and 5 more	91 min

Nearby

Mesoscale Discussions in Georgia, 2009 Mesoscale Discussions in Florida, 2009 Every mesoscale discussion in 2009

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.