Alert archive / Arkansas / Mesoscale Discussions in 2010

Mesoscale Discussion 29

January 20, 201025 counties in Arkansas; 21 counties in Oklahoma; 13 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jan 20, 2010, 9:20 PM CST for 25 counties in Arkansas; 21 counties in Oklahoma; 13 counties in Texas. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued: Jan 20, 2010, 9:20 PM CST (03:20 UTC)
Expired: Jan 20, 2010, 10:15 PM CST
In force: 55 min
Issued by: the Storm Prediction Center

All 59 counties

Clark County, AR, Cleveland County, AR, Crawford County, AR, Dallas County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Miller County, AR, Montgomery County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Yell County, AR, Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, McIntosh County, OK, Murray County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Panola County, TX, Red River County, TX, Titus County, TX, Upshur County, TX

The radar

The Western Arkansas radar (KSRX), 147 km from the middle of the area, began a volume at 03:23 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 3Jan 20, 9:40 PM CST

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
Jan 20, 6:17 PM CST	Mesoscale Discussion	SPC	Crawford, Franklin, Garland, Johnson, Logan, Montgomery and 7 more	88 min
Jan 20, 6:42 PM CST	Mesoscale Discussion	SPC	Ashley, Bradley, Calhoun, Chicot, Columbia, Hempstead and 8 more	93 min
Jan 20, 8:59 PM CST	Mesoscale Discussion	SPC	Ashley, Bradley, Chicot, Drew, Union	91 min
Jan 20, 9:36 PM CST	Tornado Watch	SPC	Ashley, Bradley, Calhoun, Chicot, Clark, Cleveland and 15 more	7 hr
Jan 20, 11:03 PM CST	Mesoscale Discussion	SPC	Crawford, Franklin, Garland, Hempstead, Howard, Johnson and 9 more	87 min
Jan 20, 11:39 PM CST	Mesoscale Discussion	SPC	Ashley, Chicot	66 min
Jan 21, 1:13 AM CST	Mesoscale Discussion	SPC	Ashley, Bradley, Calhoun, Chicot, Clark, Cleveland and 12 more	62 min
Jan 21, 3:34 AM CST	Mesoscale Discussion	SPC	Ashley, Chicot, Desha, Drew	56 min
Jan 21, 9:55 AM CST	Mesoscale Discussion	SPC	Craighead, Crittenden, Cross, Greene, Independence, Jackson and 7 more	65 min
Jan 21, 12:01 PM CST	Tornado Watch	SPC	Clay, Craighead, Greene, Mississippi	3 hr

Nearby

Mesoscale Discussions in Arkansas, 2010 Mesoscale Discussions in Oklahoma, 2010 Mesoscale Discussions in Texas, 2010 Every mesoscale discussion in 2010

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.