Alert archive / California / Mesoscale Discussions in 2010

Mesoscale Discussion 4

January 12, 20108 counties in California

The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2010, 4:34 PM PST for 8 counties in California. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Jan 12, 2010, 4:34 PM PST (00:34 UTC)
Expired: Jan 12, 2010, 8:30 PM PST
In force: 4 hr
Issued by: the Storm Prediction Center

Counties Alpine County, CA, El Dorado County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Tuolumne County, CA

The radar

The Reno radar (KRGX), 124 km from the middle of the area, began a volume at 00:35 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
Jan 13, 12:17 AM PST	Mesoscale Discussion	SPC	Alpine, Amador, Calaveras, El Dorado, Mariposa, Nevada and 4 more	4 hr

Nearby

Mesoscale Discussions in California, 2010 Every mesoscale discussion in 2010

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.