Alert archive / Texas / Mesoscale Discussions in 2014
Mesoscale Discussion 522
The Storm Prediction Center issued this mesoscale discussion at May 8, 2014, 2:19 AM CDT for 7 counties in Oklahoma; 26 counties in Texas. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- May 8, 2014, 2:19 AM CDT (07:19 UTC)
- Expired
- May 8, 2014, 3:15 AM CDT
- In force
- 56 min
- Issued by
- the Storm Prediction Center
All 33 counties
Caddo County, OK, Comanche County, OK, Cotton County, OK, Grady County, OK, Jackson County, OK, Kiowa County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Fisher County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Knox County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 92 km from the middle of the area, began a volume at 07:20 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 nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 7.3 hours before the alert went out and 216 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
- 976 J/kg
- Mixed-layer CIN
- -221 J/kg
- Mixed-layer LCL
- 1416 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 9:38 PM CDT | Severe Thunderstorm Watch | SPC | Caddo, Canadian, Comanche, Cotton, Grady, Jefferson and 4 more | 5 hr |
| May 7, 11:12 PM CDT | Mesoscale Discussion | SPC | Carter, Cleveland, Garvin, Grady, Jefferson, Love and 7 more | 93 min |
| May 8, 3:22 PM CDT | Mesoscale Discussion | SPC | Kay | 113 min |
| May 7, 8:08 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Concho, Crockett and 14 more | 97 min |
| May 8, 1:11 PM CDT | Mesoscale Discussion | SPC | Bastrop, Bell, Blanco, Bosque, Brown, Burnet and 28 more | 2 hr |
| May 8, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | Bell, Blanco, Burnet, Comal, Falls, Gillespie and 9 more | 4 hr |
Nearby
Mesoscale Discussions in Texas, 2014Mesoscale Discussions in Oklahoma, 2014Every mesoscale discussion in 2014
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.