Alert archive / Texas / Mesoscale Discussions in 2014
Mesoscale Discussion 1847
The Storm Prediction Center issued this mesoscale discussion at Oct 10, 2014, 9:39 PM CDT for 5 counties in Arkansas; 12 counties in Oklahoma; 26 counties in Texas. It was in force for 66 min.
The area
The outline as issued.
The facts
- Issued
- Oct 10, 2014, 9:39 PM CDT (02:39 UTC)
- Expired
- Oct 10, 2014, 10:45 PM CDT
- In force
- 66 min
- Issued by
- the Storm Prediction Center
All 43 counties
Howard County, AR, Little River County, AR, Montgomery County, AR, Polk County, AR, Sevier County, AR, Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Johnston County, OK, Latimer County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK, Bosque County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Montague County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Somervell County, TX, Tarrant County, TX, Wise County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 42 km from the middle of the area, began a volume at 02:38 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, 2.7 hours before the alert went out and 266 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, 7:39 PM CDT | Mesoscale Discussion | SPC | Howard, Little River, Montgomery, Pike, Polk, Scott and 2 more | 96 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.