Alert archive / Alabama / Mesoscale Discussions in 2009

Mesoscale Discussion 531

April 19, 20097 counties in Alabama

The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2009, 7:27 PM CDT for 7 counties in Alabama. It was in force for 63 min.

The area

The outline as issued.

The facts

Issued: Apr 19, 2009, 7:27 PM CDT (00:27 UTC)
Expired: Apr 19, 2009, 8:30 PM CDT
In force: 63 min
Issued by: the Storm Prediction Center

Counties Blount County, AL, Cullman County, AL, DeKalb County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Walker County, AL

The radar

The Northeast Alabama radar (KHTX), 84 km from the middle of the area, began a volume at 00:29 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, 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
Apr 19, 8:19 PM CDT	Mesoscale Discussion	SPC	Autauga, Bibb, Bullock, Calhoun, Chambers, Cherokee and 18 more	56 min
Apr 19, 8:45 PM CDT	Tornado Watch	SPC	Autauga, Barbour, Bibb, Bullock, Calhoun, Chambers and 22 more	4 hr
Apr 19, 10:21 PM CDT	Mesoscale Discussion	SPC	Autauga, Bullock, Calhoun, Chambers, Cherokee, Chilton and 12 more	84 min
Apr 20, 12:22 AM CDT	Mesoscale Discussion	SPC	Bullock, Butler, Chambers, Crenshaw, Elmore, Lee and 6 more	53 min

Nearby

Mesoscale Discussions in Alabama, 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.