Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 497

May 1, 20194 states

The Storm Prediction Center issued this mesoscale discussion at May 1, 2019, 8:11 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 1, 2019, 8:11 PM CDT (01:11 UTC)
Expired: May 1, 2019, 10:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 60%

All 35 counties

Clark County, AR, Columbia County, AR, Hempstead County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sevier County, AR, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, Webster Parish, LA, LeFlore County, OK, McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Franklin County, TX, Harrison County, TX, Hopkins County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Titus County, TX, Upshur County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 139 km from the middle of the area, began a volume at 01:12 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.

Severe Thunderstorm Watch 119May 1, 9:40 PM 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 1, 9:40 PM CDT	Severe Thunderstorm Watch	SPC	Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more	7 hr
May 1, 11:37 PM CDT	Mesoscale Discussion	SPC	Clark, Columbia, Garland, Hempstead, Hot Spring, Howard and 11 more	113 min
May 2, 1:47 PM CDT	Mesoscale Discussion	SPC	Clay, Craighead, Cross, Faulkner, Greene, Independence and 8 more	118 min
May 2, 2:13 PM CDT	Tornado Watch	SPC	Clay, Cleburne, Craighead, Cross, Greene, Independence and 8 more	5 hr
May 2, 4:36 PM CDT	Mesoscale Discussion	SPC	Clay, Mississippi	54 min
May 2, 4:49 PM CDT	Tornado Watch	SPC	Mississippi	5 hr
May 2, 6:37 PM CDT	Mesoscale Discussion	SPC	Mississippi	83 min
May 2, 11:22 AM CDT	Mesoscale Discussion	SPC	Crane, Crockett, Glasscock, Irion, Midland, Reagan and 3 more	2 hr
May 2, 11:55 AM CDT	Severe Thunderstorm Watch	SPC	Bandera, Blanco, Brewster, Brown, Coke, Coleman and 31 more	7 hr
May 2, 2:23 PM CDT	Mesoscale Discussion	SPC	Blanco, Brown, Burnet, Comanche, Concho, Coryell and 15 more	2 hr
May 2, 4:48 PM CDT	Mesoscale Discussion	SPC	Atascosa, Austin, Bandera, Bastrop, Bell, Bexar and 48 more	117 min
May 2, 6:20 PM CDT	Mesoscale Discussion	SPC	Brewster, Edwards, Kinney, Maverick, Pecos, Real and 4 more	55 min
May 2, 6:57 PM CDT	Severe Thunderstorm Watch	SPC	Brewster, Crockett, Dimmit, Edwards, Frio, Kinney and 9 more	9 hr

Nearby

Mesoscale Discussions in Texas, 2019 Mesoscale Discussions in Arkansas, 2019 Mesoscale Discussions in Louisiana, 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.