Alert archive / Oklahoma / Mesoscale Discussions in 2009

Mesoscale Discussion 765

May 8, 200921 counties in Oklahoma; 7 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 8, 2009, 3:42 PM CDT for 21 counties in Oklahoma; 7 counties in Texas. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: May 8, 2009, 3:42 PM CDT (20:42 UTC)
Expired: May 8, 2009, 5:15 PM CDT
In force: 93 min
Issued by: the Storm Prediction Center

All 28 counties

Atoka County, OK, Carter County, OK, Coal County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, Love County, OK, Marshall County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Sequoyah County, OK, Cooke County, TX, Jack County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Stephens County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 153 km from the middle of the area, began a volume at 20:45 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.

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
May 7, 10:53 PM CDT	Mesoscale Discussion	SPC	Grant, Kay, Osage, Washington	2 hr
May 8, 12:02 AM CDT	Severe Thunderstorm Watch PDS	SPC	Alfalfa, Craig, Grant, Kay, Mayes, Noble and 7 more	8 hr
May 8, 4:31 AM CDT	Mesoscale Discussion	SPC	Adair, Alfalfa, Cherokee, Craig, Creek, Delaware and 21 more	59 min
May 8, 4:55 AM CDT	Severe Thunderstorm Watch PDS	SPC	Adair, Cherokee, Craig, Creek, Delaware, Mayes and 11 more	7 hr
May 8, 7:17 AM CDT	Mesoscale Discussion	SPC	Craig, Ottawa	58 min
May 8, 5:52 PM CDT	Tornado Watch	SPC	Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 23 more	11 hr
May 8, 5:08 PM CDT	Tornado Watch	SPC	Bosque, Brown, Callahan, Clay, Coleman, Collin and 34 more	7 hr

Nearby

Mesoscale Discussions in Oklahoma, 2009 Mesoscale Discussions in Texas, 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.