Alert archive / Texas / Mesoscale Discussions in 2014
Mesoscale Discussion 1796
The Storm Prediction Center issued this mesoscale discussion at Oct 2, 2014, 1:39 PM CDT for 43 counties in Texas. It was in force for 66 min.
The area
The outline as issued.
The facts
- Issued
- Oct 2, 2014, 1:39 PM CDT (18:39 UTC)
- Expired
- Oct 2, 2014, 2:45 PM CDT
- In force
- 66 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 43 counties
Bosque County, TX, Camp County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Lampasas County, TX, Mills County, TX, Montague County, TX, Morris County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Somervell County, TX, Tarrant County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 51 km from the middle of the area, began a volume at 18:41 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
Fort Worth, TX (KFWD), launched 12:00Z, 6.7 hours before the alert went out and 60 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
- 1383 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 844 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.8
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 1, 11:00 PM CDT | Mesoscale Discussion | SPC | Wichita, Wilbarger | 3 hr |
| Oct 2, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bell, Bosque, Brown, Burnet, Camp and 50 more | 9 hr |
| Oct 2, 4:51 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Burnet, Collin, Cooke, Coryell and 37 more | 54 min |
| Oct 2, 5:25 PM CDT | Mesoscale Discussion | SPC | Harrison, Marion | 95 min |
| Oct 2, 5:48 PM CDT | Tornado Watch | SPC | Bowie, Cass, Harrison, Marion | 8 hr |
Nearby
Mesoscale Discussions in Texas, 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.