Alert archive / Oklahoma / Mesoscale Discussions in 2015

Mesoscale Discussion 362

April 18, 201519 counties in Oklahoma; 9 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 18, 2015, 6:03 PM CDT for 19 counties in Oklahoma; 9 counties in Texas. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Apr 18, 2015, 6:03 PM CDT (23:03 UTC)
Expired
Apr 18, 2015, 7:30 PM CDT
In force
87 min
Issued by
the Storm Prediction Center
All 28 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Baylor County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Foard County, TX, Hardeman County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 99 km from the middle of the area, began a volume at 23:03 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.

IssuedProductOfficeCountiesLasted
Apr 17, 7:26 PM CDTMesoscale DiscussionSPCTexas2 hr
Apr 18, 12:45 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Canadian, Garfield, Grant, Kingfisher and 4 more60 min
Apr 18, 1:52 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 19 more113 min
Apr 18, 2:27 PM CDTTornado WatchSPCAlfalfa, Beckham, Blaine, Caddo, Comanche, Cotton and 16 more6 hr
Apr 18, 4:07 PM CDTMesoscale DiscussionSPCGarfield, Grant, Kay, Kingfisher, Lincoln, Logan and 5 more2 hr
Apr 18, 6:21 PM CDTMesoscale DiscussionSPCCanadian, Carter, Cleveland, Garvin, Grady, Hughes and 11 more84 min
Apr 18, 6:31 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Atoka, Beckham, Blaine, Bryan, Caddo and 38 more6 hr
Apr 17, 7:39 PM CDTMesoscale DiscussionSPCChambers, Galveston, Jefferson96 min
Apr 17, 9:10 PM CDTMesoscale DiscussionSPCAransas, Brooks, Calhoun, Duval, Hidalgo, Jim Hogg and 7 more95 min
Apr 17, 9:13 PM CDTSevere Thunderstorm WatchSPCBrazoria, Chambers, Fort Bend, Galveston, Hardin, Harris and 4 more5 hr
Apr 17, 10:59 PM CDTMesoscale DiscussionSPCAransas, Brooks, Hidalgo, Kenedy, Kleberg, Nueces91 min
Apr 17, 11:31 PM CDTMesoscale DiscussionSPCChambers, Galveston, Jefferson, Orange59 min
Apr 18, 2:13 PM CDTSevere Thunderstorm WatchSPCBandera, Bastrop, Bexar, Blanco, Bosque, Brown and 58 more8 hr
Apr 18, 4:32 PM CDTMesoscale DiscussionSPCAtascosa, Bastrop, Bexar, Caldwell, Comal, Dimmit and 11 more2 hr
Apr 18, 4:48 PM CDTMesoscale DiscussionSPCHidalgo, Kenedy, Kleberg, Willacy2 hr
Apr 18, 5:23 PM CDTMesoscale DiscussionSPCCollin, Dallas, Ellis, Falls, Hill, Kaufman and 6 more3 hr
Apr 18, 5:46 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Collin, Cooke, Dallas, Denton and 20 more5 hr
Apr 18, 6:40 PM CDTMesoscale DiscussionSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 48 more95 min

Nearby

Mesoscale Discussions in Oklahoma, 2015Mesoscale Discussions in Texas, 2015Every mesoscale discussion in 2015

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.