Alert archive / Oklahoma / Mesoscale Discussions in 2016

Mesoscale Discussion 284

March 30, 20166 counties in Kansas; 26 counties in Oklahoma; 6 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2016, 1:00 PM CDT for 6 counties in Kansas; 26 counties in Oklahoma; 6 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 30, 2016, 1:00 PM CDT (18:00 UTC)
Expired
Mar 30, 2016, 3:00 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 38 counties

Butler County, KS, Cowley County, KS, Harper County, KS, Harvey County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Montague County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 81 km from the middle of the area, began a volume at 18:00 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 12:00Z, 6.0 hours before the alert went out and 86 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 12:00Z on 2016-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 571 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 12:00Z on 2016-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 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
571 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

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
Mar 30, 1:50 PM CDTSevere Thunderstorm WatchSPCButler, Chase, Chautauqua, Cowley, Elk, Greenwood and 9 more8 hr
Mar 30, 2:56 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 12 more2 hr
Mar 30, 3:52 PM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Coffey, Doniphan, Douglas, Jackson and 7 more3 hr
Mar 30, 3:54 PM CDTMesoscale DiscussionSPCButler, Chautauqua, Cowley, Elk, Greenwood, Sedgwick and 1 more96 min
Mar 30, 6:22 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 6 more53 min
Mar 30, 11:57 AM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Cherokee, Choctaw, Coal and 22 more63 min
Mar 30, 2:31 PM CDTTornado WatchSPCMcCurtain7 hr
Mar 30, 1:57 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coke, Coleman, Collin and 28 more63 min
Mar 30, 2:07 PM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Gregg, Harrison, Marion and 6 more83 min
Mar 30, 2:09 PM CDTSevere Thunderstorm WatchSPCBosque, Brown, Callahan, Coke, Coleman, Collin and 28 more5 hr
Mar 30, 5:06 PM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Gregg, Harrison, Marion and 7 more84 min
Mar 30, 5:36 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Bosque, Collin, Coryell, Dallas and 30 more4 hr

Nearby

Mesoscale Discussions in Oklahoma, 2016Mesoscale Discussions in Kansas, 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.