Alert archive / Oklahoma / Mesoscale Discussions in 2017
Mesoscale Discussion 1235
The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2017, 1:52 AM CDT for 15 counties in Oklahoma; 8 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2017, 1:52 AM CDT (06:52 UTC)
- Expired
- Jul 5, 2017, 4:15 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 23 counties
Bryan County, OK, Carter County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Greer County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kiowa County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Stephens County, OK, Tillman County, OK, Clay County, TX, Collin County, TX, Cooke County, TX, Denton County, TX, Grayson County, TX, Montague County, TX, Wichita County, TX, Wise County, TX
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.9 hours before the alert went out and 112 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
- 172 J/kg
- Mixed-layer CIN
- -298 J/kg
- Mixed-layer LCL
- 1704 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 117 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 |
|---|---|---|---|---|
| Jul 4, 9:12 PM CDT | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson, Kiowa, Tillman | 93 min |
Nearby
Mesoscale Discussions in Oklahoma, 2017Mesoscale Discussions in Texas, 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.