Alert archive / Oklahoma / Mesoscale Discussions in 2016
Mesoscale Discussion 468
The Storm Prediction Center issued this mesoscale discussion at Apr 26, 2016, 8:52 PM CDT for 46 counties in Oklahoma; 40 counties in Texas. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Apr 26, 2016, 8:52 PM CDT (01:52 UTC)
- Expired
- Apr 26, 2016, 9:45 PM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 86 counties
Atoka County, OK, Bryan County, OK, Canadian County, OK, Carter County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Latimer County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Bosque County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Fannin County, TX, Grayson County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lampasas County, TX, McCulloch County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, Runnels County, TX, San Saba County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Tom Green County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 101 km from the middle of the area, began a volume at 01:55 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
Fort Worth, TX (KFWD), launched 00:00Z, 1.9 hours before the alert went out and 79 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.
- Mixed-layer CAPE
- 2622 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1224 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 11.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 9:36 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Cherokee, Choctaw, Craig and 12 more | 114 min |
| Apr 26, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Choctaw, Craig, Delaware, Haskell and 13 more | 9 hr |
| Apr 27, 1:35 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Bandera, Bastrop, Blanco, Bowie and 40 more | 115 min |
| Apr 27, 4:28 AM CDT | Mesoscale Discussion | SPC | Angelina, Atascosa, Austin, Colorado, DeWitt, Fort Bend and 17 more | 92 min |
| Apr 27, 4:56 AM CDT | Severe Thunderstorm Watch | SPC | Angelina, Hardin, Jasper, Jefferson, Newton, Orange and 4 more | 5 hr |
| Apr 27, 7:30 AM CDT | Mesoscale Discussion | SPC | Jefferson, Newton, Orange | 2 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.