Alert archive / Texas / Mesoscale Discussions in 2014
Mesoscale Discussion 1846
The Storm Prediction Center issued this mesoscale discussion at Oct 10, 2014, 7:39 PM CDT for 8 counties in Arkansas; 17 counties in Oklahoma; 45 counties in Texas. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Oct 10, 2014, 7:39 PM CDT (00:39 UTC)
- Expired
- Oct 10, 2014, 9:15 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 70 counties
Howard County, AR, Little River County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sevier County, AR, Yell County, AR, Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Cotton County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, Murray County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Archer County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Collin County, TX, Concho County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Fannin County, TX, Fisher County, TX, Glasscock County, TX, Grayson County, TX, Hopkins County, TX, Howard County, TX, Hunt County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Lamar County, TX, Martin County, TX, McCulloch County, TX, Midland County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Reagan County, TX, Red River County, TX, Rockwall County, TX, Runnels County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Tarrant County, TX, Taylor County, TX, Tom Green County, TX, Wichita County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 95 km from the middle of the area, began a volume at 00:42 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 00:00Z, 0.7 hours before the alert went out and 262 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
- 4 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 503 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.7
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 |
|---|---|---|---|---|
| Oct 10, 9:39 PM CDT | Mesoscale Discussion | SPC | Howard, Little River, Montgomery, Polk, Sevier | 66 min |
| Oct 10, 11:38 PM CDT | Mesoscale Discussion | SPC | Lafayette, Little River, Miller | 67 min |
| Oct 10, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | Bell, Bosque, Collin, Coryell, Dallas, Denton and 22 more | 3 hr |
| Oct 10, 10:42 PM CDT | Mesoscale Discussion | SPC | Callahan, Coleman, Concho, Irion, Runnels, Taylor and 1 more | 63 min |
Nearby
Mesoscale Discussions in Texas, 2014Mesoscale Discussions in Oklahoma, 2014Mesoscale Discussions in Arkansas, 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.