Alert archive / Oklahoma / Mesoscale Discussions in 2013

Mesoscale Discussion 177

February 20, 20137 counties in Arkansas; 12 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Feb 20, 2013, 11:30 AM CST for 7 counties in Arkansas; 12 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Feb 20, 2013, 11:30 AM CST (17:30 UTC)
Expired
Feb 20, 2013, 1:30 PM CST
In force
2 hr
Issued by
the Storm Prediction Center

Counties Crawford County, AR, Franklin County, AR, Logan County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Nowata County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 30 km from the middle of the area, began a volume at 17:32 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.

IssuedProductOfficeCountiesLasted
Feb 20, 7:09 AM CSTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Garvin, Grady and 11 more4 hr
Feb 20, 7:56 AM CSTMesoscale DiscussionSPCGrant, Kay, Osage, Pawnee, Rogers, Tulsa and 1 more4 hr

Nearby

Mesoscale Discussions in Oklahoma, 2013Mesoscale Discussions in Arkansas, 2013Every mesoscale discussion in 2013

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.