Alert archive / Texas / Mesoscale Discussions in 2018

Mesoscale Discussion 79

February 21, 20188 counties in Oklahoma; 41 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2018, 7:57 AM CST for 8 counties in Oklahoma; 41 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Feb 21, 2018, 7:57 AM CST (13:57 UTC)
Expired
Feb 21, 2018, 12:00 PM CST
In force
4 hr
Issued by
the Storm Prediction Center
All 49 counties

Carter County, OK, Comanche County, OK, Cotton County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Borden County, TX, Callahan County, TX, Childress County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Eastland County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Jack County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Montague County, TX, Motley County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX

The radar

The Altus AFB radar (KFDR), 90 km from the middle of the area, began a volume at 13:57 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 12:44 PM CSTMesoscale DiscussionSPCCarter, Coal, Garvin, Hughes, Jefferson, Johnston and 4 more4 hr
Feb 21, 5:01 PM CSTMesoscale DiscussionSPCAdair, Cherokee, Craig, Delaware, Mayes, Muskogee and 4 more5 hr
Feb 21, 9:07 AM CSTMesoscale DiscussionSPCNewton, Orange113 min
Feb 21, 9:48 AM CSTTornado WatchSPCNewton, Orange7 hr
Feb 21, 12:28 PM CSTMesoscale DiscussionSPCHardin, Jasper, Jefferson, Newton, Orange, Sabine92 min
Feb 21, 3:03 PM CSTMesoscale DiscussionSPCNewton, Orange117 min

Nearby

Mesoscale Discussions in Texas, 2018Mesoscale Discussions in Oklahoma, 2018Every mesoscale discussion in 2018

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.