Alert archive / Oklahoma / Mesoscale Discussions in 2019

Mesoscale Discussion 720

May 21, 20198 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 21, 2019, 4:56 AM CDT for 8 counties in Oklahoma. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued: May 21, 2019, 4:56 AM CDT (09:56 UTC)
Expired: May 21, 2019, 6:00 AM CDT
In force: 64 min
Issued by: the Storm Prediction Center

Counties Creek County, OK, Hughes County, OK, Lincoln County, OK, McIntosh County, OK, Okfuskee County, OK, Okmulgee County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 80 km from the middle of the area, began a volume at 09:58 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 205May 21, 5:10 AM 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
May 20, 7:38 PM CDT	Mesoscale Discussion	SPC	Canadian, Greer, Harmon, Jackson, Kingfisher, Kiowa and 1 more	97 min
May 20, 8:22 PM CDT	Mesoscale Discussion	SPC	Atoka, Beckham, Blaine, Bryan, Caddo, Canadian and 40 more	53 min
May 20, 10:07 PM CDT	Tornado Watch	SPC	Carter, Cleveland, Coal, Comanche, Cotton, Creek and 18 more	9 hr
May 20, 10:30 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Delaware, Haskell, Latimer, LeFlore and 10 more	60 min
May 20, 11:06 PM CDT	Mesoscale Discussion	SPC	Delaware	24 min
May 21, 12:18 AM CDT	Tornado Watch	SPC	Adair, Cherokee, Delaware, Haskell, Latimer, LeFlore and 5 more	5 hr
May 21, 2:24 AM CDT	Mesoscale Discussion	SPC	Carter, Cleveland, Coal, Cotton, Garvin, Grady and 11 more	96 min
May 21, 5:09 AM CDT	Tornado Watch	SPC	Adair, Cherokee, Craig, Creek, Delaware, Haskell and 14 more	9 hr
May 21, 7:26 AM CDT	Mesoscale Discussion	SPC	Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 21 more	94 min

Nearby

Mesoscale Discussions in Oklahoma, 2019 Every mesoscale discussion in 2019

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.