Alert archive / Oklahoma / Mesoscale Discussions in 2016

Mesoscale Discussion 353

April 10, 201629 counties in Oklahoma; Montague County, Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 10, 2016, 7:36 PM CDT for 29 counties in Oklahoma; Montague County, Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
Apr 10, 2016, 7:36 PM CDT (00:36 UTC)
Expired
Apr 10, 2016, 9:30 PM CDT
In force
114 min
Issued by
the Storm Prediction Center
All 30 counties

Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Montague County, TX

The radar

The Norman radar (KTLX), 43 km from the middle of the area, began a volume at 00:35 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 36 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2016-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2443 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2016-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2443 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1418 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
1.2
Supercell composite
13.4

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 8:42 PM CDTMesoscale DiscussionSPCCraig, Kay, Nowata, Osage, Ottawa, Rogers and 1 more2 hr
Apr 10, 9:31 PM CDTMesoscale DiscussionSPCBeckham, Caddo, Canadian, Carter, Cleveland, Comanche and 17 more59 min
Apr 10, 9:52 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Caddo, Canadian, Carter, Cleveland and 24 more6 hr
Apr 10, 11:23 PM CDTMesoscale DiscussionSPCCraig, Nowata, Osage, Ottawa, Rogers, Washington37 min
Apr 11, 12:21 AM CDTMesoscale DiscussionSPCCarter, Cleveland, Coal, Garvin, Hughes, Jefferson and 10 more54 min
Apr 11, 12:57 AM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Choctaw, Creek, Haskell, Latimer and 10 more4 hr
Apr 11, 6:15 AM CDTMesoscale DiscussionSPCBryan, Carter, Choctaw, Jefferson, Johnston, Love and 1 more3 hr
Apr 11, 12:39 PM CDTMesoscale DiscussionSPCCarter, Jefferson, Love, Marshall2 hr
Apr 11, 1:38 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 9 more9 hr
Apr 10, 8:54 PM CDTMesoscale DiscussionSPCDimmit, Edwards, Kinney, Maverick, Real, Uvalde and 2 more66 min
Apr 10, 11:06 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Comal, Dimmit, Frio and 9 more54 min
Apr 11, 11:48 AM CDTMesoscale DiscussionSPCBowie, Cass, Marion2 hr
Apr 11, 1:05 PM CDTSevere Thunderstorm WatchSPCJasper, Newton, Sabine6 hr
Apr 11, 1:43 PM CDTMesoscale DiscussionSPCAustin, Brazos, Grimes, Hardin, Harris, Liberty and 8 more3 hr
Apr 11, 3:26 PM CDTMesoscale DiscussionSPCClay, Collin, Cooke, Dallas, Delta, Denton and 18 more94 min
Apr 11, 3:42 PM CDTMesoscale DiscussionSPCNewton, Sabine93 min
Apr 11, 4:49 PM CDTMesoscale DiscussionSPCCollin, Dallas, Denton, Hunt, Rains, Rockwall and 1 more86 min
Apr 11, 5:27 PM CDTMesoscale DiscussionSPCArcher, Baylor, Fisher, Haskell, Jones, King and 7 more93 min
Apr 11, 6:09 PM CDTMesoscale DiscussionSPCNewton, Sabine66 min
Apr 11, 6:58 PM CDTSevere Thunderstorm WatchSPCCherokee, Nacogdoches, Panola, Rusk, Shelby5 hr

Nearby

Mesoscale Discussions in Oklahoma, 2016Mesoscale Discussions in Texas, 2016Every mesoscale discussion in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.