Alert archive / Florida / Mesoscale Discussions in 2018

Mesoscale Discussion 1720

December 20, 2018Broward County, Miami-Dade County, Florida

The Storm Prediction Center issued this mesoscale discussion at Dec 20, 2018, 5:55 PM EST for Broward County, Miami-Dade County, Florida. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Dec 20, 2018, 5:55 PM EST (22:55 UTC)
Expired: Dec 20, 2018, 8:00 PM EST
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Broward County, FL, Miami-Dade County, FL

The radar

The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 22:55 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
Dec 20, 6:28 AM EST	Mesoscale Discussion	SPC	Manatee, Sarasota	62 min
Dec 20, 7:38 AM EST	Mesoscale Discussion	SPC	Brevard, Charlotte, Collier, DeSoto, Glades, Hardee and 11 more	97 min
Dec 20, 7:55 AM EST	Tornado Watch	SPC	Brevard, Charlotte, Collier, DeSoto, Glades, Hardee and 15 more	7 hr
Dec 20, 10:49 AM EST	Mesoscale Discussion	SPC	Brevard, Charlotte, DeSoto, Glades, Hardee, Hendry and 11 more	116 min
Dec 20, 1:41 PM EST	Mesoscale Discussion	SPC	Brevard, Collier, Glades, Hendry, Highlands, Indian River and 7 more	2 hr
Dec 20, 2:15 PM EST	Severe Thunderstorm Watch	SPC	Brevard, Broward, Collier, Glades, Hendry, Indian River and 6 more	6 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.