Alert archive / Arkansas / Mesoscale Discussions in 2014

Mesoscale Discussion 120

February 20, 20144 states

The Storm Prediction Center issued this mesoscale discussion at Feb 20, 2014, 11:01 AM CST for 4 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Feb 20, 2014, 11:01 AM CST (17:01 UTC)
Expired: Feb 20, 2014, 1:00 PM CST
In force: 119 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

All 49 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Bolivar County, MS, Anderson County, TX, Angelina County, TX, Cherokee County, TX, Gregg County, TX, Harrison County, TX, Houston County, TX, Marion County, TX, Nacogdoches County, TX, Panola County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Trinity County, TX

The radar

The Shreveport radar (KSHV), 50 km from the middle of the area, began a volume at 17:04 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
Feb 20, 12:47 PM CST	Severe Thunderstorm Watch	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 18 more	7 hr
Feb 20, 1:45 PM CST	Mesoscale Discussion	SPC	Clay, Craighead, Crittenden, Cross, Greene, Lee and 4 more	2 hr
Feb 20, 2:23 PM CST	Tornado Watch	SPC	Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more	7 hr
Feb 20, 3:11 PM CST	Mesoscale Discussion	SPC	Ashley, Chicot, Desha	94 min
Feb 20, 5:29 PM CST	Mesoscale Discussion	SPC	Crittenden, Mississippi	46 min
Feb 20, 5:55 PM CST	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Avoyelles, Beauregard, Caldwell and 26 more	35 min

Nearby

Mesoscale Discussions in Arkansas, 2014 Mesoscale Discussions in Louisiana, 2014 Mesoscale Discussions in Texas, 2014 Every mesoscale discussion in 2014

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.