Alert archive / Florida / Mesoscale Discussions in 2018

Mesoscale Discussion 1119

July 21, 201811 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Jul 21, 2018, 1:37 PM EDT for 11 counties in Florida. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: Jul 21, 2018, 1:37 PM EDT (17:37 UTC)
Expired: Jul 21, 2018, 3:00 PM EDT
In force: 83 min
Issued by: the Storm Prediction Center

Counties Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Gilchrist County, FL, Lafayette County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL

The radar

The Moody AFB radar (KVAX), 83 km from the middle of the area, began a volume at 17:40 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.

Issued	Product	Office	Counties	Lasted
Jul 21, 10:30 AM EDT	Mesoscale Discussion	SPC	Gadsden, Hamilton, Jefferson, Leon, Madison	90 min
Jul 21, 11:12 AM EDT	Severe Thunderstorm Watch	SPC	Baker, Calhoun, Columbia, Dixie, Duval, Gadsden and 13 more	5 hr
Jul 21, 7:50 PM EDT	Severe Thunderstorm Watch	SPC	Gadsden, Jackson, Jefferson, Leon, Wakulla	5 hr

Nearby

Mesoscale Discussions in Florida, 2018 Every mesoscale discussion in 2018

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.