Alert archive / Texas / Mesoscale Discussions in 2009

Mesoscale Discussion 774

May 8, 2009Miller County, Arkansas; 29 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 8, 2009, 11:19 PM CDT for Miller County, Arkansas; 29 counties in Texas. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: May 8, 2009, 11:19 PM CDT (04:19 UTC)
Expired: May 9, 2009, 12:45 AM CDT
In force: 86 min
Issued by: the Storm Prediction Center

All 30 counties

Miller County, AR, Bowie County, TX, Camp County, TX, Cass County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Gregg County, TX, Harrison County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Tarrant County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 143 km from the middle of the area, began a volume at 04:20 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 278May 8, 11:50 PM CDT

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 8, 7:30 PM CDT	Mesoscale Discussion	SPC	Clay, Craighead, Greene, Mississippi, Poinsett	90 min
May 8, 9:31 PM CDT	Mesoscale Discussion	SPC	Cleburne, Conway, Crawford, Faulkner, Franklin, Izard and 15 more	89 min
May 8, 10:04 PM CDT	Mesoscale Discussion	SPC	Clay, Greene	86 min
May 8, 10:31 PM CDT	Severe Thunderstorm Watch	SPC	Clay, Greene, Lawrence, Randolph	7 hr
May 9, 2:22 AM CDT	Mesoscale Discussion	SPC	Craighead, Crittenden, Cross, Greene, Mississippi, Poinsett	53 min
May 9, 12:33 PM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 13 more	57 min
May 9, 12:51 PM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 22 more	7 hr
May 9, 3:25 PM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 13 more	65 min
May 8, 9:03 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Callahan, Clay, Coleman, Comanche and 26 more	117 min
May 8, 11:48 PM CDT	Tornado Watch	SPC	Camp, Collin, Cooke, Dallas, Delta, Denton and 28 more	5 hr
May 9, 3:20 AM CDT	Mesoscale Discussion	SPC	Camp, Collin, Cooke, Dallas, Delta, Denton and 28 more	55 min

Nearby

Mesoscale Discussions in Texas, 2009 Mesoscale Discussions in Arkansas, 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.