Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 322

March 21, 200530 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Mar 21, 2005, 12:14 PM CST for 30 counties in Oklahoma. It was in force for 31 min.

The area

The outline as issued.

The facts

Issued: Mar 21, 2005, 12:14 PM CST (18:14 UTC)
Expired: Mar 21, 2005, 12:45 PM CST
In force: 31 min
Issued by: the Storm Prediction Center

All 30 counties

Alfalfa County, OK, Atoka County, OK, Bryan County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grant County, OK, Hughes County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 46 km from the middle of the area, began a volume at 18:14 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 56Mar 21, 12:15 PM CST

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
Mar 21, 3:39 AM CST	Mesoscale Discussion	SPC	Atoka, Bryan, Caddo, Canadian, Carter, Cleveland and 23 more	3 hr
Mar 21, 12:15 PM CST	Tornado Watch	SPC	Alfalfa, Atoka, Bryan, Choctaw, Cleveland, Coal and 22 more	7 hr
Mar 21, 3:14 PM CST	Mesoscale Discussion	SPC	Alfalfa, Atoka, Bryan, Canadian, Choctaw, Cleveland and 25 more	91 min
Mar 21, 5:40 PM CST	Tornado Watch	SPC	Choctaw, McCurtain	7 hr

Nearby

Mesoscale Discussions in Oklahoma, 2005 Every mesoscale discussion in 2005

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.