Alert archive / Oklahoma / Mesoscale Discussions in 2020

Mesoscale Discussion 1636

August 29, 20209 counties in Arkansas; 20 counties in Oklahoma; 12 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 29, 2020, 5:07 PM CDT for 9 counties in Arkansas; 20 counties in Oklahoma; 12 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Aug 29, 2020, 5:07 PM CDT (22:07 UTC)
Expired
Aug 29, 2020, 7:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%
All 41 counties

Crawford County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Montgomery County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Yell County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Marshall County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK, Collin County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Hunt County, TX, Lamar County, TX, Parker County, TX, Red River County, TX, Rockwall County, TX, Tarrant County, TX

The radar

The Norman radar (KTLX), 180 km from the middle of the area, began a volume at 22:10 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 11:56 AM CDTMesoscale DiscussionSPCBaxter, Boone, Carroll, Clay, Cleburne, Conway and 34 more94 min
Aug 29, 3:32 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 42 more88 min
Aug 29, 6:42 PM CDTSevere Thunderstorm WatchSPCClark, Columbia, Crawford, Franklin, Garland, Hempstead and 14 more6 hr
Aug 29, 7:53 AM CDTMesoscale DiscussionSPCOttawa97 min
Aug 29, 2:09 PM CDTMesoscale DiscussionSPCCimarron2 hr
Aug 29, 3:55 PM CDTSevere Thunderstorm WatchSPCCimarron6 hr
Aug 29, 6:42 PM CDTMesoscale DiscussionSPCCimarron93 min

Nearby

Mesoscale Discussions in Oklahoma, 2020Mesoscale Discussions in Texas, 2020Mesoscale Discussions in Arkansas, 2020Every mesoscale discussion in 2020

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.