Alert archive / Oklahoma / Mesoscale Discussions in 2017
Mesoscale Discussion 335
The Storm Prediction Center issued this mesoscale discussion at Mar 26, 2017, 2:49 PM CDT for Barber County, Harper County, Kansas; 40 counties in Oklahoma; 11 counties in Texas. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Mar 26, 2017, 2:49 PM CDT (19:49 UTC)
- Expired
- Mar 26, 2017, 4:15 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 53 counties
Barber County, KS, Harper County, KS, Alfalfa County, OK, Atoka County, OK, Blaine County, OK, Bryan County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Cotton County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Noble 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, Seminole County, OK, Stephens County, OK, Woods County, OK, Clay County, TX, Collin County, TX, Cooke County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Hunt County, TX, Jack County, TX, Montague County, TX, Tarrant County, TX, Wise County, TX
The radar
The Norman radar (KTLX), 38 km from the middle of the area, began a volume at 19:52 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, 7.8 hours before the alert went out and 29 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1175 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 26, 3:18 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Butler, Chautauqua, Comanche, Cowley, Elk and 9 more | 8 hr |
| Mar 26, 6:33 PM CDT | Mesoscale Discussion | SPC | Barber, Chautauqua, Cowley, Elk, Harper, Montgomery and 1 more | 87 min |
| Mar 26, 1:24 PM CDT | Mesoscale Discussion | SPC | Canadian, Cleveland, Garvin, Kingfisher, Lincoln, Logan and 5 more | 66 min |
| Mar 26, 4:02 PM CDT | Tornado Watch | SPC | Alfalfa, Atoka, Blaine, Bryan, Canadian, Carter and 36 more | 7 hr |
| Mar 26, 5:13 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Coal, Garvin, Hughes and 10 more | 92 min |
| Mar 26, 5:48 PM CDT | Severe Thunderstorm Watch | SPC | Bell, Bosque, Comanche, Coryell, Delta, Ellis and 21 more | 7 hr |
Nearby
Mesoscale Discussions in Oklahoma, 2017Mesoscale Discussions in Texas, 2017Mesoscale Discussions in Kansas, 2017Every mesoscale discussion in 2017
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.