Alert archive / Texas / Mesoscale Discussions in 2017

Mesoscale Discussion 1564

August 25, 2017Calcasieu Parish, Cameron Parish, Louisiana; 15 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2017, 10:19 AM CDT for Calcasieu Parish, Cameron Parish, Louisiana; 15 counties in Texas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Aug 25, 2017, 10:19 AM CDT (15:19 UTC)
Expired: Aug 25, 2017, 1:15 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 80%

Counties Calcasieu Parish, LA, Cameron Parish, LA, Aransas County, TX, Brazoria County, TX, Calhoun County, TX, Chambers County, TX, Fort Bend County, TX, Galveston County, TX, Harris County, TX, Jackson County, TX, Jefferson County, TX, Liberty County, TX, Matagorda County, TX, Orange County, TX, Refugio County, TX, Victoria County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 53 km from the middle of the area, began a volume at 15:23 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.

Tornado Watch 465Aug 25, 2:00 PM CDT

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
Aug 25, 2:02 PM CDT	Tornado Watch	SPC	Cameron, Vermilion	12 hr
Aug 25, 3:46 PM CDT	Mesoscale Discussion	SPC	Cameron, Vermilion	59 min

Nearby

Mesoscale Discussions in Texas, 2017 Mesoscale Discussions in Louisiana, 2017 Every mesoscale discussion in 2017

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.